Systems administrator jobs in Knoxville, TN - 99 jobs

Responsible for unique or complex information systems and/or information technology projects across more than one discipline, such as application support, database administration, software quality assurance/quality control, software engineering, network telecommunications, and infrastructure operations of administration, analysis, engineering and design. Provides direction to other IT Administrators on the project in a senior administrator capacity. Considered a technical specialist in a variety of IT administrator disciplines. + Monitors and supports complex information technology and systems infrastructures. + Conducts analysis including planning, designing, and evaluating a variety of complex information technology tools. Assists in capacity planning and solution scaling development. + Handles user requests for system needs and upgrades that are very complex and often involve extensive research. + Troubleshoots and resolves unique or complex problems in an efficient manner. Provides support to development, test, and production teams with troubleshoot issues as a senior level resource. + Implements various applications of a highly complex nature. Develops and patches hardened images. + Administers and runs complex tests on operating system and related software. + Schedules, performs, and monitors system backups and, when necessary, performs data recoveries. + Performs root cause analysis and diagnostics on very complex production systems. + Identifies opportunities for process improvements and works with team members to implement efficiencies. + Effectively create and maintain relevant systems documentation and user guides. + Acts as a mentor to junior team members. May act in a lead capacity, providing direction and oversight to a team of administrators. + Applies scripting methodologies to automate IT Admin related tasks. **Minimum Qualifications** + Bachelor's Degree in Information Technology, Computer Science or a related field or equivalent relevant experience; Master's Degree preferred. + 8-15 years of experience in information technology, systems administration or other IT related field. **Other Job Specific Skills** + Advanced knowledge of Microsoft Operating Systems and products that include Microsoft Windows 7 & 8, Windows Servers, Microsoft Office and SharePoint 2013, Microsoft Lync 2013. + Applies standard methodology, techniques, procedures and criteria. + Ability to analyze, troubleshoot and resolve complex system hardware, software or networking related problems. + Ability to plan and coordinate the deployment of new technology and resolve technical problems individually and as a senior project participant. + Ability to communicate effectively, both orally and in writing and to translate technical terminology into terms understandable to non-technical employees/customers. + Ability to consistently meet and exceed expectations and incorporate customer service into all aspects of work. + Advanced experience with Citrix, SAN storage systems, VMware (vCenter). + Experience with a variety of systems to include VMware, Red Hat Enterprise Linux, vCenter, etc. + Experience automating or orchestrating the provisioning of new services. + Advanced knowledge of security policies, requirements, and vulnerabilities. + Proficient in developing infrastructure-as-a-code solutions for continuous deployment. + Working knowledge of token/PIV based authentications, desktop visualization software and director services, Oracle databases, configuration and auto deployment tools. **Compensation Ranges** Compensation ranges for ASM Research positions vary depending on multiple factors; including but not limited to, location, skill set, level of education, certifications, client requirements, contract-specific affordability, government clearance and investigation level, and years of experience. The compensation displayed for this role is a general guideline based on these factors and is unique to each role. Monetary compensation is one component of ASM's overall compensation and benefits package for employees. **EEO Requirements** It is the policy of ASM that an individual's race, color, religion, sex, disability, age, sexual orientation or national origin are not and will not be considered in any personnel or management decisions. We affirm our commitment to these fundamental policies. All recruiting, hiring, training, and promoting for all job classifications is done without regard to race, color, religion, sex, disability, or age. All decisions on employment are made to abide by the principle of equal employment. Physical Requirements The physical requirements described in "Knowledge, Skills and Abilities" above are representative of those which must be met by an employee to successfully perform the primary functions of this job. (For example, "light office duties' or "lifting up to 50 pounds" or "some travel" required.) Reasonable accommodations may be made to enable individuals with qualifying disabilities, who are otherwise qualified, to perform the primary functions. **Disclaimer** The preceding job description has been designed to indicate the general nature and level of work performed by employees within this classification. It is not designed to contain or be interpreted as a comprehensive inventory of all duties, responsibilities and qualifications required of employees assigned to this job. $106k - $124k EEO Requirements It is the policy of ASM that an individual's race, color, religion, sex, disability, age, gender identity, veteran status, sexual orientation or national origin are not and will not be considered in any personnel or management decisions. We affirm our commitment to these fundamental policies. All recruiting, hiring, training, and promoting for all job classifications is done without regard to race, color, religion, sex, veteran status, disability, gender identity, or age. All decisions on employment are made to abide by the principle of equal employment.

Responsible for unique or complex information systems and/or information technology projects across more than one discipline, such as application support, database administration, software quality assurance/quality control, software engineering, network telecommunications, and infrastructure operations of administration, analysis, engineering and design. Provides direction to other IT Administrators on the project in a senior administrator capacity. Considered a technical specialist in a variety of IT administrator disciplines. Monitors and supports complex information technology and systems infrastructures. Conducts analysis including planning, designing, and evaluating a variety of complex information technology tools. Assists in capacity planning and solution scaling development. Handles user requests for system needs and upgrades that are very complex and often involve extensive research. Troubleshoots and resolves unique or complex problems in an efficient manner. Provides support to development, test, and production teams with troubleshoot issues as a senior level resource. Implements various applications of a highly complex nature. Develops and patches hardened images. Administers and runs complex tests on operating system and related software. Schedules, performs, and monitors system backups and, when necessary, performs data recoveries. Performs root cause analysis and diagnostics on very complex production systems. Identifies opportunities for process improvements and works with team members to implement efficiencies. Effectively create and maintain relevant systems documentation and user guides. Acts as a mentor to junior team members. May act in a lead capacity, providing direction and oversight to a team of administrators. Applies scripting methodologies to automate IT Admin related tasks. Minimum Qualifications Bachelor's Degree in Information Technology, Computer Science or a related field or equivalent relevant experience; Master's Degree preferred. 8-15 years of experience in information technology, systems administration or other IT related field. Other Job Specific Skills Advanced knowledge of Microsoft Operating Systems and products that include Microsoft Windows 7 & 8, Windows Servers, Microsoft Office and SharePoint 2013, Microsoft Lync 2013. Applies standard methodology, techniques, procedures and criteria. Ability to analyze, troubleshoot and resolve complex system hardware, software or networking related problems. Ability to plan and coordinate the deployment of new technology and resolve technical problems individually and as a senior project participant. Ability to communicate effectively, both orally and in writing and to translate technical terminology into terms understandable to non-technical employees/customers. Ability to consistently meet and exceed expectations and incorporate customer service into all aspects of work. Advanced experience with Citrix, SAN storage systems, VMware (vCenter). Experience with a variety of systems to include VMware, Red Hat Enterprise Linux, vCenter, etc. Experience automating or orchestrating the provisioning of new services. Advanced knowledge of security policies, requirements, and vulnerabilities. Proficient in developing infrastructure-as-a-code solutions for continuous deployment. Working knowledge of token/PIV based authentications, desktop visualization software and director services, Oracle databases, configuration and auto deployment tools.

Job DescriptionInfrastructure Operations Center Systems Administrator Overview: A Department of Energy facility is hiring an Infrastructure Operations Center Systems Administrator! The position is on the Enterprise Operations Team which exists to provide compute and storage infrastructure for the enterprise operations of the Lab. Additionally they provide a 24/7 monitoring operation for the Critical Systems run by the Laboratory. This role is shiftwork and rotational enabling our team to be staffed 24/7/365.Major Duties/Responsibilities: Document team processes including work instructions and maintain a living knowledge base. Monitor infrastructure equipment and servers for uptime as well as performance. Assist in Backup Administration and Restore requests. Assist in Enterprise Server Patching. Assist in Server Vulnerability management. Work with a Data Center Infrastructure Management System (DCIM) to help track assets and connections. Work with other system engineers and vendors to troubleshoot and resolve hardware and software issues. Provide off-hours support, troubleshooting, and escalation. Provide suggestions for process improvement and implement when required. Install and configure software, both commercial packages and various open-source packages. Support data storage systems and backup services. Derive results for metrics on technical performance as requested. Engage with engineers to automate workflows. Locate and execute automation/self-healing solutions. Deliver mission by aligning behaviors, priorities, and interactions with our core values of Impact, Integrity, Teamwork, Safety, and Service. Promote diversity, equity, inclusion, and accessibility by fostering a respectful workplace - in how we treat one another, work together, and measure success. Basic Qualifications: An Associates degree in Information Technology or a related technical field of study and five (5) to seven (7) years of experience. An overall combination of equivalent experience may be considered. Experience in the following areas: PowerShell and Scripting via other tools Backup architecture and operations SCCM and server patching Managing a virtualized environment including tuning and maintenance Windows and Linux Server Platforms Enterprise class backup solutions Basic understanding of network communication and demonstrated troubleshooting techniques. Basic understanding of virtualization environments and operations. Excellent interpersonal skills suitable for user support and ability to work well with peer system administrators. Preferred Qualifications: Enterprise automated VM Cluster installation/configuration/management experience. Previous experience working in a government, scientific, or other highly technical environment. Demonstrated ability to perform job tasks while considering cyber security risk of those tasks, and consulting with security professionals when necessary. Experience in an environment requiring change control processes. Excellent written and oral communication skills. Motivated self-starter with the ability to work independently and to participate creatively in collaborative teams across the laboratory. Ability to function well in a fast-paced research environment, set priorities to accomplish multiple tasks within deadlines, and adapt to ever changing needs.

To be eligible to enlist in the U.S. Navy, candidates must be between the ages of 18-34 At any given moment, hundreds of complex networked computer systems are operating in tandem to keep ships and submarines operating at their best. The specialized training youll receive in this field will pave the way to careers in IT and network support, computer programming, web development and information security. SOFTWARE ENGINEERING JOBS IN THE NAVY INFORMATION SYSTEMS TECHNICIAN When a network goes down, vital information may be lost, from global satellite data to special intelligence communications. Thats why its critical that trained Information Systems Technicians are on board to make sure networks and related systems are designed and operated properly and errors are fixed without any interruption to the mission. CRYPTOLOGIC TECHNICIAN NETWORKS As a Cryptologic Technician Networks, you fight in the battlespace of the future. Use state-of- the-art technology to perform offensive and defensive cyber operations, investigating and tracking enemies while also protecting our networks from attacks. As an expert in communication defense and forensics, youll be expected to rise to the ever-evolving challenge of maintaining cybersecurity. INTELLIGENCE SPECIALIST Collect intel on everythingdata on foreign cultures, enemy movements, current weather forecasts, etc. Then, use it to create cohesive intelligence briefings for high-ranking Navy officials. Your deep understanding of global culture and battlespaces makes you a critical component of mission readiness. Solid intel isnt easy to come by, but as an IS, you can save lives by helping us stay ready for anything. PAY AND BENEFITS From the day you start, youll receive: Competitive salary Potential to earn a bonus upon enlistment Free health insurance Free housing A retirement plan Paid training College credit EDUCATION OPPORTUNITIES Navy College Program and Tuition Assistance Post-9/11 GI Bill, up to 100% tuition Professional credentials and certifications College credit hours toward a bachelors or associate degree through the American Council on Education QUALIFICATIONS AND REQUIREMENTS U.S. citizen or equivalent High school graduate or equivalent 17 years of age or older General qualifications may vary depending upon whether youre currently serving, whether youve served before or whether youve never served before. WORK ENVIRONMENT These roles perform a variety of duties worldwide, at numerous overseas and stateside shore commands, aboard surface ships, aircraft and submarines. They generally divide time between assignments ashore and afloat. PART-TIME OPPORTUNITIES Serving part-time as a Navy Reserve Sailor, your duties will be carried out during your scheduled drilling and training periods. During monthly drilling, Sailors in the Navy Reserve typically work at a location close to their homes. Take a moment to learn more about the general roles and responsibilities of Navy Reserve Sailors. RequiredPreferredJob Industries Government & Military

The Senior Network Engineer is a hybrid operations and engineering role responsible for both the day-to-day administration of the network infrastructure and the design and execution of enterprise network modernization efforts. Based in Oak Ridge, TN, this position plays a critical role in both maintaining secure, high-performance connectivity and leading infrastructure projects such as core network redesign, cloud integration, and security architecture improvements. The ideal candidate combines deep technical skills with the ability to lead, plan, and execute at an engineering level. Key Responsibilities • Hybrid Engineering and Administration: Serve in a dual-capacity role that balances high-level network design and architecture responsibilities with day-to-day operational support and device configuration across enterprise environments. • Network Infrastructure Management: Administer and maintain a multi-site enterprise network, including the configuration and lifecycle management of routers, switches, firewalls, VPNs, wireless infrastructure, and load balancing technologies. • Architecture and Design: Develop scalable and resilient network architectures that support high availability, fault tolerance, and future growth, with an emphasis on alignment with DOE enterprise IT strategy and security policies. • Routing and Protocol Engineering: Engineer and support complex routing strategies involving protocols such as EIGRP, OSPF, and BGP; ensure optimal route redistribution, convergence, and path selection across hybrid connectivity models including DMVPN and MPLS. • Firewall and Security Integration: Implement and manage next-generation firewall platforms (e.g., Palo Alto), including high availability configuration, SSL decryption, policy optimization, IDS/IPS system configurations, and integration with cloud and on-premises security architectures. • Cloud and Hybrid Networking: Design, deploy, and manage hybrid network topologies within Microsoft Azure, including Virtual Networks (VNets), ExpressRoute, peering, NAT Gateway, and firewall solutions to ensure secure and performant cross-premise connectivity. • Network Access Control (NAC): Support the implementation and management of NAC solutions such as Cisco ISE, including potential integration with Microsoft Intune to enforce endpoint compliance and identity-based access control. • Project Leadership: Lead and execute infrastructure modernization initiatives, including the planning, implementation, and validation of new networking technologies or the re-architecture of existing environments. • Monitoring and Performance Optimization: Leverage network performance tools such as Catalyst Center, SolarWinds and Azure Network Watcher to monitor availability, perform root cause analysis, and implement performance enhancements. • Documentation and Standards Compliance: Maintain accurate technical documentation including topology diagrams, configuration baselines, IP address management, and change control records to support audit readiness and operational continuity. • Cross-Functional Collaboration and Mentorship: Partner with adjacent IT disciplines-including cloud, systems, security-to deliver integrated solutions; provide mentorship and technical leadership to junior technical staff as needed. Required Qualifications • Education : Bachelor's degree in Information Technology or related field • Experience: Atleast 7 years of relevant experience Certifications (Required): o Cisco CCNP (Routing & Switching or Enterprise) o Microsoft AZ-700: Designing and Implementing Microsoft Azure Networking Solutions o Microsoft AZ-104: Azure Administrator Technical Competencies: o Expert knowledge of TCP/IP, BGP, OSPF, DMVPN, DNS, DHCP o Cisco routing/switching with Nexus 9K, Catalyst, ISR, and C8500 series o Strong Palo Alto experience including SSL decryption, HA configuration, and IPS tuning o Azure networking including ExpressRoute, NSGs, virtual WAN, peering, VPNs o Familiarity with Cisco ACI or willingness to rapidly train up for deployment o Experience leading physical buildouts and Data Center Moves: rack layout, cable management, port planning o PowerShell or Python scripting for automation and config deployment Preferred Qualifications • CCIE, PCNSE, or additional Azure network/security certs • Experience with Cisco ISE, DNA Center, and SD-WAN • Experience in a federal or DOE environment • Prior Engineering leadership in large-scale infrastructure projects to include Data Center Moves • Experience implementing Azure Front Door, WAF, Private Link, or NAT Gateway • Experience working for the Federal Government as an IT Contractor Must be a US Citizen Must have minimum of a Bachelor's Degree Must be able to pass a full background check and drug screening *No third party recruiters*

Senior HPC Linux Systems Engineer Founded in 1999 in the beautiful Smoky Mountains of East Tennessee, Cadre5 provides innovative technical solutions to our customers locally and nationally. Our Cadre5 Lab Partners division has partnered with the National Center for Computational Sciences (NCCS) at Oak Ridge National Laboratory (ORNL) to recruit a Senior HPC Linux Systems Engineer to play a key role in improving the security, performance, and reliability of the NCCS computing environments. This includes supporting one of the fastest supercomputers in the world, Frontier, along with numerous commodity clusters and specialized programs and partnerships. Frontier is one of the scientific research community's most powerful computational instruments for exploring solutions to some of today's most challenging problems. As an HPC Linux Systems Engineer, you will work within the HPC Scalable Systems Group inside of the NCCS Systems Section to support numerous activities of the center. The Scalable Systems group oversees, administers and supports system installation, deployment, acceptance, performance testing, upgrades, problem diagnosis, and troubleshooting of large-scale HPC computational resources. The Systems Section is within the National Center for Computational Sciences Division (NCCS). The HPC Systems Section is responsible for the division's computing, storage, networking, and infrastructure systems and services. The NCCS provides state-of-the-art computational and data science infrastructure, coupled with dedicated technical and scientific professionals, to accelerate scientific discovery and engineering advances across a broad range of disciplines. NCCS hosts the Oak Ridge Leadership Computing Facility, one of DOE's National User Facilities. ORNL delivers scientific discoveries and technical breakthroughs needed to realize solutions in energy and national security and provides economic benefit to the nation. This premier research institution located near Knoxville in Oak Ridge, TN, addresses national needs through impactful research and world-leading research centers. This is a full-time, permanent position that follows a hybrid/onsite working arrangement. Why Cadre5? Working with highly talented team members 3 weeks' vacation ü Excellent medical insurance, including employer-paid benefits Job Responsibilities: Install, integrate, and administer HPC Linux clusters and high-speed networks Diagnosing system operational problems quickly and effectively Coordinating with vendors to resolve hardware and software problems Recommending, planning, and coordinating hardware and software changes with customer participation using change management processes Porting and writing system management tools Documenting system administration procedures for routine and complex tasks Participating in a 24-hour, 7-day on-call support rotation and off-hours maintenance windows System implementation/integration into the NCCS environment and systems performance analysis. Lead system deployment, integration and troubleshooting of a large-scale computer system. Participate in relevant systems topics with the internal and external community of peers contributing experiences and solutions. Mentor junior-level staff as they join the group. Basic Qualifications: Bachelor's Degree in a scientific or technical field with a combination of 8+ years of Linux systems experience is required. An equivalent combination of education and experience will be considered The ability to obtain and maintain a Department of Energy "Q" clearance is required. This requires US Citizenship. Preferred Qualifications: Experience managing Linux operating systems in a large-scale system environment Solid understanding of networked computing environment concepts Experience with Linux Cluster Administration Ability to develop and maintain programs and scripts that aid in the operation and automation of administrative tasks using various shell and scripting languages (bash, Python, Go) Experience with Lustre and GPFS file systems Experience with batch schedulers (particularly SLURM) Experience deploying and maintaining automated configuration management software such as Puppet Strong interpersonal and communication skills Ability to work as a team player Proactive and solution-oriented problem solver Prior project and/or team leadership experience Benefits Cadre5 offers excellent pay and benefits, to include full medical, dental, and vision coverage coupled with 401K match, 15 days PTO, and 10 holidays. Cadre5 is an equal opportunity employer. All qualified applicants, including individuals with disabilities and protected veterans, are encouraged to apply. Cadre5 is an E-Verify Employer.

Please note this posting is to advertise potential job opportunities. This exact role may not be open today but could open in the near future. When you apply, a Cisco representative may contact you directly if a relevant position opens. Applications are accepted until further notice. Meet the Team Our dedicated team members are engineering the foundation of Cisco's core technologies across the globe, including teams in Engineering like Common Hardware Group, Network Product Eng, Infrastructure & Security. You will be an essential contributor to the development of next-generation innovations in operating systems, firmware, networking stacks, and security infrastructure. Working on these teams, you will gain hands-on experience with hardware-software integration and low-level networking technologies that power Cisco's critical products. Discover the possibilities when deep technical expertise meets creativity and help build solutions that transform how the world connects and communicates. Your Impact You are a passionate engineer skilled in low-level programming, networking protocols, and hardware-software integration, with strong communication and collaboration abilities. You thrive in solving complex challenges through innovation and precision, while being highly organized and process-driven. Your work develops and maintains critical software and tools that ensure hardware compatibility, network performance, and security for Cisco's core products like operating systems, firmware, and networking stacks. By effectively managing your time and streamlining processes, you deliver high-quality solutions that embed resilience and efficiency into global communications infrastructure, directly contributing to Cisco's leadership in trusted, scalable networking technologies. Minimum Qualifications * Currently enrolled in an undergraduate degree program. Relevant fields include: Computer Science, Software Engineering, Computer Engineering, Information Technology, Data Science, Mathematics, Statistics, Electrical Engineering, or related technical fields. * Proficiency in C programming and experience with embedded Linux, including a solid understanding of operating system fundamentals. * Familiarity with network principles & concepts, routing protocols, and general networking concepts. * Hands-on experience with automation tools and scripting languages (such as Python or Bash), along with knowledge of CI/CD pipelines (e.g., Jenkins, GitHub Actions). * Understanding of DevSecOps practices and their application in software development workflows. Preferred Quals: * Conceptual understanding or hands-on experience with AI/ML. * Understanding of cybersecurity principles and security protocols. * Experience with FPGA development. * Knowledge of signal and power integrity, and PCB design. Why Cisco? At Cisco, we're revolutionizing how data and infrastructure connect and protect organizations in the AI era - and beyond. We've been innovating fearlessly for 40 years to create solutions that power how humans and technology work together across the physical and digital worlds. These solutions provide customers with unparalleled security, visibility, and insights across the entire digital footprint. Fueled by the depth and breadth of our technology, we experiment and create meaningful solutions. Add to that our worldwide network of doers and experts, and you'll see that the opportunities to grow and build are limitless. We work as a team, collaborating with empathy to make really big things happen on a global scale. Because our solutions are everywhere, our impact is everywhere. We are Cisco, and our power starts with you. Message to applicants applying to work in the U.S. and/or Canada: Individual pay is determined by the candidate's hiring location, market conditions, job-related skillset, experience, qualifications, education, certifications, and/or training. The full salary range for certain locations is listed below. For locations not listed below, the recruiter can share more details about compensation for the role in your location during the hiring process. U.S. employees are offered benefits, subject to Cisco's plan eligibility rules, which include medical, dental and vision insurance, a 401(k) plan with a Cisco matching contribution, paid parental leave, short and long-term disability coverage, and basic life insurance. Please see the Cisco careers site to discover more benefits and perks. Employees may be eligible to receive grants of Cisco restricted stock units, which vest following continued employment with Cisco for defined periods of time. U.S. employees are eligible for paid time away as described below, subject to Cisco's policies: * 10 paid holidays per full calendar year, plus 1 floating holiday for non-exempt employees * 1 paid day off for employee's birthday, paid year-end holiday shutdown, and 4 paid days off for personal wellness determined by Cisco * Non-exempt employees receive 16 days of paid vacation time per full calendar year, accrued at rate of 4.92 hours per pay period for full-time employees * Exempt employees participate in Cisco's flexible vacation time off program, which has no defined limit on how much vacation time eligible employees may use (subject to availability and some business limitations) * 80 hours of sick time off provided on hire date and each January 1st thereafter, and up to 80 hours of unused sick time carried forward from one calendar year to the next * Additional paid time away may be requested to deal with critical or emergency issues for family members * Optional 10 paid days per full calendar year to volunteer For non-sales roles, employees are also eligible to earn annual bonuses subject to Cisco's policies. Employees on sales plans earn performance-based incentive pay on top of their base salary, which is split between quota and non-quota components, subject to the applicable Cisco plan. For quota-based incentive pay, Cisco typically pays as follows: * .75% of incentive target for each 1% of revenue attainment up to 50% of quota; * 1.5% of incentive target for each 1% of attainment between 50% and 75%; * 1% of incentive target for each 1% of attainment between 75% and 100%; and * Once performance exceeds 100% attainment, incentive rates are at or above 1% for each 1% of attainment with no cap on incentive compensation. For non-quota-based sales performance elements such as strategic sales objectives, Cisco may pay 0% up to 125% of target. Cisco sales plans do not have a minimum threshold of performance for sales incentive compensation to be paid. The applicable full salary ranges for this position, by specific state, are listed below: New York City Metro Area: $44,000.00 - $185,000.00 Non-Metro New York state & Washington state: $44,000.00 - $185,000.00 * For quota-based sales roles on Cisco's sales plan, the ranges provided in this posting include base pay and sales target incentive compensation combined. Employees in Illinois, whether exempt or non-exempt, will participate in a unique time off program to meet local requirements.

Requisition Id 15558 Oak Ridge National Laboratory (ORNL) is seeking highly motivated HPC Linux Systems Engineers to join teams operating some of the most advanced computing environments in the world. This evergreen posting represents multiple potential openings across ORNL's high-performance computing ecosystem. Successful candidates will help architect, deploy, and maintain HPC systems that accelerate discovery across open science, laboratory research, and secure computing missions. Applications are reviewed on a continual basis as new opportunities arise. Major Duties and Responsibilities * Install, integrate, and administer Linux-based HPC clusters, storage systems, and high-speed networks. * Monitor and optimize system performance, reliability, and scalability for large-scale computational workloads. * Diagnose complex hardware and software issues, coordinating with vendors and internal engineering teams to implement solutions. * Participate in system design, deployment, acceptance testing, and upgrades for leadership-class and research computing systems. * Develop and maintain automation, configuration management, and monitoring solutions using tools such as Ansible, Puppet, Bash, or Python. * Collaborate with scientists, researchers, and technical staff to ensure HPC resources effectively support scientific and mission objectives. * Support identity management, authentication, and access control frameworks to maintain secure and compliant environments. * Document system architectures, processes, and best practices, and contribute to internal knowledge sharing. * Participate in on-call rotations and off-hours maintenance windows as required to support 24x7 operations. Basic Qualifications * Bachelor's degree in computer science, engineering, or a related field. * A minimum of 5 years of experience in Linux systems administration, or an equivalent combination of education and experience Preferred Qualifications * Experience administering HPC clusters or large-scale Linux computing environments. * Familiarity with batch schedulers (e.g., SLURM, PBS, LSF) and parallel file systems (Lustre, GPFS/Spectrum Scale). * Experience implementing and managing automation and configuration management frameworks (Ansible, Puppet, Salt). * Proficiency in scripting or programming (Python, Bash, Go). * Understanding of networking fundamentals and high-speed interconnects (InfiniBand, Ethernet). * Experience deploying or supporting identity management and multi-factor authentication systems (PingFederate, RSA SecureID, Entra ID). * Familiarity with virtualization or containerization technologies (VMware, KVM, Podman, Apptainer). * Experience troubleshooting and tuning high-performance storage, networking, and compute systems. * Excellent communication, collaboration, and problem-solving skills. * Demonstrated ability to lead or contribute to complex technical projects with minimal supervision. Special Requirement This position requires the ability to obtain and maintain clearance from the Department of Energy. As such, this position is a Workplace Substance Abuse (WSAP) testing designated position. WSAP positions require passing a pre-placement drug test and participation in an ongoing random drug testing program. About ORNL As a U.S. Department of Energy (DOE) Office of Science national laboratory, ORNL has an impressive 80-year legacy of addressing the nation's most pressing challenges. Our team is made up of over 7,000 dedicated and innovative individuals! Our goal is to create an environment where a variety of perspectives and backgrounds are valued, ensuring ORNL is known as a top choice for employment. These principles are essential for supporting our broader mission to drive scientific breakthroughs and translate them into solutions for energy, environmental, and security challenges facing the nation. Why Join Us * Work on the world's most powerful supercomputers, including Frontier, the first system to achieve exascale performance. * Enable breakthrough science in fields like fusion energy, climate modeling, AI, and national security. * Collaborate with diverse teams of scientists, engineers, and technologists from across the DOE complex and academia. * Grow your career in a mission-driven, innovation-focused environment with access to professional development and leadership opportunities. * Enjoy life in East Tennessee, with a thriving research community, scenic outdoor recreation, and a high quality of life. This position will remain open for a minimum of 5 days after which it will close when a qualified candidate is identified and/or hired. We accept Word (.doc, .docx), Adobe (unsecured .pdf), Rich Text Format (.rtf), and HTML (.htm, .html) up to 5MB in size. Resumes from third party vendors will not be accepted; these resumes will be deleted and the candidates submitted will not be considered for employment. If you have trouble applying for a position, please email ***********************. ORNL is an equal opportunity employer. All qualified applicants, including individuals with disabilities and protected veterans, are encouraged to apply. UT-Battelle is an E-Verify employer. Nearest Major Market: Knoxville

**Requisition ID: 289741** + **Telework Type: Part-Time Telework** + **Work Location: Knoxville, TN** # Extraordinary teams building inspiring projects: Since 1898, we have helped customers complete more than 25,000 projects in 160 countries on all seven continents that have created jobs, grown economies, improved the resiliency of the world's infrastructure, increased access to energy, resources, and vital services, and made the world a safer, cleaner place. Differentiated by the quality of our people and our relentless drive to deliver the most successful outcomes, we align our capabilities to our customers' objectives to create a lasting positive impact. We serve the Infrastructure; Nuclear, Security & Environmental; Energy; Mining & Metals, and the Manufacturing and Technology markets. Our services span from initial planning and investment, through start-up and operations. Core to Bechtel is our Vision, Values and Commitments . They are what we believe, what customers can expect, and how we deliver. Learn more about our extraordinary teams building inspiring projects in our Impact Report . # Project Overview: Bechtel is the licensing, engineering, procurement, and construction partner on TerraPower's Natrium team. Selected by the U.S. Department of Energy (DOE) for its Advanced Reactor Demonstration Program, Natrium is participating in a DOE initiative to re-establish U.S. leadership in nuclear energy that provides matching funding to industry to design and build an operational advanced reactor. TerraPower, a leading advanced generation technology company founded by former Microsoft CEO Bill Gates, will be deploying its 345 MWe sodium fast reactor (SFR), called Natrium. The Natrium plant features an advanced, cost-competitive reactor design that is safer, simpler, easier, and less costly to construct, less expensive to operate, and able to provide energy that is competitive with fossil fuels. It also features an innovative molten salt energy storage system designed to be complementary to solar and wind power by evening out the peaks and valleys in production when the sun is not shining, or the wind is not blowing. With the reactor and energy storage output combined, the plant can produce more than 500 MWe of power. # Job Summary: **Please note: This position is for candidates with less than 9 years of relevant experience.** **If you have more than 9 years of experience, please apply to a "Senior" position** Essential duties include locating and designing supports for various piping systems and performing associated calculations. _"This position is designated as part-time telework per our global telework policy and may require at least three days of in-person attendance per week at the assigned office or project. Weekly in-person schedules will be determined by the individual and their supervisor, in consultation with functional or project leadership"_ \#LI-SNH # Major Responsibilities: + Perform modeling and pipe support calculations using GTStrudl + Candidate should be familiar with common pipe support hardware, industry standards, and relevant codes such as AISC & ASME B31.3/B31.1. + Checking/reviewing isometrics using span tables + Work closely with layout personnel and pipe stress engineers to deliver a quality and cost-effective design. + Coordinate with other engineering disciplines and vendors as required. + Checking designs done by others + Prior experience should include working in a 3D model environment & placement of pipe supports + May include some lead activities # Education and Experience Requirements: + AA/AS or Certificate in Engineering/CAD with 3-4 years of experienceor, 5-6 years of relevant work experience # Required Knowledge and Skills: + Must be able to complete and pass a pre-employment drug screen and background check which includes verification of employment and education. + Knowledgeable of AISC structural code, ASME B31.3, B31.1 other relevant industry piping codes and standards + Prior experience using a computer frame analysis (GTStrudl preferred) # Total Rewards/Benefits: For decades, Bechtel has worked to inspire the next generation of employees and beyond! Because our teams face some of the world's toughest challenges, we offer robust benefits to ensure our people thrive. Whether it is advancing careers, delivering programs to enhance our culture, or providing time to recharge, Bechtel has the benefits to build a legacy of sustainable growth. Learn more at Bechtel Total Rewards # Diverse teams build the extraordinary: As a global company, Bechtel has long been home to a vibrant multitude of nationalities, cultures, ethnicities, and life experiences. This diversity has made us a more trusted partner, more effective problem solvers and innovators, and a more attractive destination for leading talent. We are committed to being a company where every colleague feels that they belong-where colleagues feel part of "One Team," respected and rewarded for what they bring, supported in pursuing their goals, invested in our values and purpose, and treated equitably. Click here to learn more about the people who power our legacy. **_Bechtel is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity and expression, age, national origin, disability, citizenship status (except as authorized by law), protected veteran status, genetic information, and any other characteristic protected by federal, state or local law. Applicants with a disability, who require a reasonable accommodation for any part of the application or hiring process, may e-mail their request to_** ************************

To be eligible to enlist in the U.S. Navy, candidates must be between the ages of 18-34 At any given moment, hundreds of complex networked computer systems are operating in tandem to keep ships and submarines operating at their best. The specialized training youll receive in this field will pave the way to careers in IT and network support, computer programming, web development and information security. SOFTWARE ENGINEERING JOBS IN THE NAVY INFORMATION SYSTEMS TECHNICIAN When a network goes down, vital information may be lost, from global satellite data to special intelligence communications. Thats why its critical that trained Information Systems Technicians are on board to make sure networks and related systems are designed and operated properly and errors are fixed without any interruption to the mission. CRYPTOLOGIC TECHNICIAN NETWORKS As a Cryptologic Technician Networks, you fight in the battlespace of the future. Use state-of- the-art technology to perform offensive and defensive cyber operations, investigating and tracking enemies while also protecting our networks from attacks. As an expert in communication defense and forensics, youll be expected to rise to the ever-evolving challenge of maintaining cybersecurity. INTELLIGENCE SPECIALIST Collect intel on everythingdata on foreign cultures, enemy movements, current weather forecasts, etc. Then, use it to create cohesive intelligence briefings for high-ranking Navy officials. Your deep understanding of global culture and battlespaces makes you a critical component of mission readiness. Solid intel isnt easy to come by, but as an IS, you can save lives by helping us stay ready for anything. PAY AND BENEFITS From the day you start, youll receive: Competitive salary Potential to earn a bonus upon enlistment Free health insurance Free housing A retirement plan Paid training College credit EDUCATION OPPORTUNITIES Navy College Program and Tuition Assistance Post-9/11 GI Bill, up to 100% tuition Professional credentials and certifications College credit hours toward a bachelors or associate degree through the American Council on Education QUALIFICATIONS AND REQUIREMENTS U.S. citizen or equivalent High school graduate or equivalent 17 years of age or older General qualifications may vary depending upon whether youre currently serving, whether youve served before or whether youve never served before. WORK ENVIRONMENT These roles perform a variety of duties worldwide, at numerous overseas and stateside shore commands, aboard surface ships, aircraft and submarines. They generally divide time between assignments ashore and afloat. PART-TIME OPPORTUNITIES Serving part-time as a Navy Reserve Sailor, your duties will be carried out during your scheduled drilling and training periods. During monthly drilling, Sailors in the Navy Reserve typically work at a location close to their homes. Take a moment to learn more about the general roles and responsibilities of Navy Reserve Sailors. RequiredPreferredJob Industries Government & Military

Responsible for unique or complex information systems and/or information technology projects across more than one discipline, such as application support, database administration, software quality assurance/quality control, software engineering, network telecommunications, and infrastructure operations of administration, analysis, engineering and design. Provides direction to other IT Administrators on the project in a senior administrator capacity. Considered a technical specialist in a variety of IT administrator disciplines. + Monitors and supports complex information technology and systems infrastructures. + Conducts analysis including planning, designing, and evaluating a variety of complex information technology tools. Assists in capacity planning and solution scaling development. + Handles user requests for system needs and upgrades that are very complex and often involve extensive research. + Troubleshoots and resolves unique or complex problems in an efficient manner. Provides support to development, test, and production teams with troubleshoot issues as a senior level resource. + Implements various applications of a highly complex nature. Develops and patches hardened images. + Administers and runs complex tests on operating system and related software. + Schedules, performs, and monitors system backups and, when necessary, performs data recoveries. + Performs root cause analysis and diagnostics on very complex production systems. + Identifies opportunities for process improvements and works with team members to implement efficiencies. + Effectively create and maintain relevant systems documentation and user guides. + Acts as a mentor to junior team members. May act in a lead capacity, providing direction and oversight to a team of administrators. + Applies scripting methodologies to automate IT Admin related tasks. **Minimum Qualifications** + Bachelor's Degree in Information Technology, Computer Science or a related field or equivalent relevant experience; Master's Degree preferred. + 8-15 years of experience in information technology, systems administration or other IT related field. **Other Job Specific Skills** + Advanced knowledge of Microsoft Operating Systems and products that include Microsoft Windows 7 & 8, Windows Servers, Microsoft Office and SharePoint 2013, Microsoft Lync 2013. + Applies standard methodology, techniques, procedures and criteria. + Ability to analyze, troubleshoot and resolve complex system hardware, software or networking related problems. + Ability to plan and coordinate the deployment of new technology and resolve technical problems individually and as a senior project participant. + Ability to communicate effectively, both orally and in writing and to translate technical terminology into terms understandable to non-technical employees/customers. + Ability to consistently meet and exceed expectations and incorporate customer service into all aspects of work. + Advanced experience with Citrix, SAN storage systems, VMware (vCenter). + Experience with a variety of systems to include VMware, Red Hat Enterprise Linux, vCenter, etc. + Experience automating or orchestrating the provisioning of new services. + Advanced knowledge of security policies, requirements, and vulnerabilities. + Proficient in developing infrastructure-as-a-code solutions for continuous deployment. + Working knowledge of token/PIV based authentications, desktop visualization software and director services, Oracle databases, configuration and auto deployment tools. **Compensation Ranges** Compensation ranges for ASM Research positions vary depending on multiple factors; including but not limited to, location, skill set, level of education, certifications, client requirements, contract-specific affordability, government clearance and investigation level, and years of experience. The compensation displayed for this role is a general guideline based on these factors and is unique to each role. Monetary compensation is one component of ASM's overall compensation and benefits package for employees. **EEO Requirements** It is the policy of ASM that an individual's race, color, religion, sex, disability, age, sexual orientation or national origin are not and will not be considered in any personnel or management decisions. We affirm our commitment to these fundamental policies. All recruiting, hiring, training, and promoting for all job classifications is done without regard to race, color, religion, sex, disability, or age. All decisions on employment are made to abide by the principle of equal employment. Physical Requirements The physical requirements described in "Knowledge, Skills and Abilities" above are representative of those which must be met by an employee to successfully perform the primary functions of this job. (For example, "light office duties' or "lifting up to 50 pounds" or "some travel" required.) Reasonable accommodations may be made to enable individuals with qualifying disabilities, who are otherwise qualified, to perform the primary functions. **Disclaimer** The preceding job description has been designed to indicate the general nature and level of work performed by employees within this classification. It is not designed to contain or be interpreted as a comprehensive inventory of all duties, responsibilities and qualifications required of employees assigned to this job. $106k - $124k EEO Requirements It is the policy of ASM that an individual's race, color, religion, sex, disability, age, gender identity, veteran status, sexual orientation or national origin are not and will not be considered in any personnel or management decisions. We affirm our commitment to these fundamental policies. All recruiting, hiring, training, and promoting for all job classifications is done without regard to race, color, religion, sex, veteran status, disability, gender identity, or age. All decisions on employment are made to abide by the principle of equal employment.

Job DescriptionNetwork Administrator Qualifications2+ years experience in a network administration role Network Administration of Cisco, Arista, and Palo Alto network platforms Light System Administration Solid Troubleshooting and problem-solving skills Network Security knowledge and experience is a plus Excellent communication and collaboration skills Strong attention to detail and organizational skills Relevant certifications such as CCNA, CompTIA Network+, etc. Required Skills & AbilitiesKnowledge of networking concepts: TCP/IP, DNS, DHCP, STP, LAN, WANKnowledge of routing protocols. ex. BGP, OSPFKnowledge of Cisco, Arista, and Palo Alto network platforms Knowledge of network monitoring product(s) Must be able to work independently or as part of a team Must be able to identify technology needs/inefficiencies and address without supervision or technical guidance Must be able to prioritize assignments and effectively manage their time Excellent customer service skills to communicate with internal teams and external customers ResponsibilitiesAs a Network Administrator, you will be responsible for managing the ticket queue for the network infrastructure team. This will include troubleshooting network issues and providing technical support for network-related problems. Knowing when to escalate a problem/issue to a higher level so SLAs are not breached. Small projects will be assigned at times to help grow into a higher-level position.

Senior HPC Linux Systems Engineer Founded in 1999 in the beautiful Smoky Mountains of East Tennessee, Cadre5 provides innovative technical solutions to our customers locally and nationally. Our Cadre5 Lab Partners division has partnered with The High-Performance Computing Systems Section within the National Center for Computational Sciences (NCCS) at Oak Ridge National Laboratory (ORNL) to recruit a qualified Senior HPC Linux Systems Engineer. NCCS Provides state-of-the-art computational and data science infrastructure coupled with dedicated technical and scientific professionals tackling large-scale problems across a broad range of scientific domains for accelerating scientific discovery and engineering advances. NCCS hosts the Oak Ridge Leadership Computing Facility (OLCF), one of the Department of Energy's (DOE) National User Facilities which operates Frontier, the nation's first exascale supercomputer. ORNL delivers scientific discoveries and technical breakthroughs needed to realize solutions in energy and national security and provides economic benefit to the nation. This premier research institution located near Knoxville in Oak Ridge, TN, addresses national needs through impactful research and world-leading research centers. This is a full-time, permanent position that can telecommute. Occasional travel to the Oak Ridge facility may be required. Why Cadre5? Working with highly talented team members 3 weeks' vacation Excellent medical insurance, including employer-paid benefits Job Responsibilities: Systems Administration: Lead the architecture and deployment of HPC-scale services Create and maintain internal documentation of system architectures, configurations and procedures Serve as the highest tier of support for complex issues, providing quick and efficient resolution Virtualization and Automation: Design, deploy and manage resources in the NCCS VMware environment Identify potential automation targets and lead efforts to automate processes Define policies and procedures for automation and configuration management for the team and organization as a whole Identity Management and Security: Design and administration of RSA SecureID and PingFederate servers Deploy, configure and support identity and access management services such as single-sign on (SSO), OAuth, two-factor auth, zero trust, etc… Project Management and Leadership: Lead Infrastructure projects through all phases from planning to design, implementation and support Mentor and train junior staff, creating training documentation, holding knowledge sharing sessions, and fostering skill growth throughout the team Propose and implement improvements to existing Infrastructure systems as well as new systems, processes and procedures Basic Qualifications: Bachelor's degree in computer science or closely relate field and a minimum of 8 years of experience in Linux systems administration, or a Master's Degree and a minimum of 4 year of experience in Linux systems administration. An equivalent combination of education and experience will be considered. The ability to obtain and maintain a Department of Energy "Q" clearance is required. This requires US Citizenship. Preferred Qualifications: Excellent interpersonal/communication skills and the ability to work within a team Strong experience in Identity Management, supporting SSO, OAuth, two-factor authentication primarily in PingFederate and RSA SecureID. Entra ID experience a bonus. Strong working knowledge of Linux system fundamentals and common network protocols Programming and scripting skills in common languages such as Python and bash Understanding of versioning and code review tools like GitHub and GitLab Experience implementing and supporting highly available systems and services Experience with configuration management tools such as Puppet or Ansible Experience deploying and maintaining virtual environments using VMWare Experience deploying, maintaining and troubleshooting a variety of infrastructure services such as OpenLDAP, DNS, DHCP, etc. Ability to plan, prioritize and complete assigned projects with minimal supervision Benefits Cadre5 offers excellent pay and benefits, to include full medical, dental, and vision coverage coupled with 401K match, 15 days PTO, and 10 holidays. Cadre5 is an equal opportunity employer. All qualified applicants, including individuals with

The Network Engineer is a hybrid operations and engineering role responsible for both the day-to-day administration of the Department of Energy (DOE) Office of Science's network infrastructure and the design and execution of enterprise network modernization efforts. Based in Oak Ridge, TN, this position plays a critical role in both maintaining secure, high-performance connectivity and leading infrastructure projects such as core network redesign, cloud integration, and security architecture improvements. The ideal candidate combines deep technical skills with the ability to lead, plan, and execute at an engineering level. Serve in a dual-capacity role that balances high-level network design and architecture responsibilities with day-to-day operational support and device configuration across enterprise environments. Administer and maintain a multi-site enterprise network, including the configuration and lifecycle management of routers, switches, firewalls, VPNs, wireless infrastructure, and load balancing technologies. Develop scalable and resilient network architectures that support high availability, fault tolerance, and future growth, with an emphasis on alignment with DOE enterprise IT strategy and security policies. Engineer and support complex routing strategies involving protocols such as EIGRP, OSPF, and BGP; ensure optimal route redistribution, convergence, and path selection across hybrid connectivity models including DMVPN and MPLS. Firewall and Security Integration: Implement and manage next-generation firewall platforms (e.g., Palo Alto), including high availability configuration, SSL decryption, policy optimization, IDS/IPS system configurations, and integration with cloud and on-premises security architectures. Design, deploy, and manage hybrid network topologies within Microsoft Azure, including Virtual Networks (VNets), ExpressRoute, peering, NAT Gateway, and firewall solutions to ensure secure and performant cross-premise connectivity. Support the implementation and management of NAC solutions such as Cisco ISE, including potential integration with Microsoft Intune to enforce endpoint compliance and identity-based access control. Lead and execute infrastructure modernization initiatives, including the planning, implementation, and validation of new networking technologies or the re-architecture of existing environments. Leverage network performance tools such as Catalyst Center, SolarWinds and Azure Network Watcher to monitor availability, perform root cause analysis, and implement performance enhancements. Maintain accurate technical documentation including topology diagrams, configuration baselines, IP address management, and change control records to support audit readiness and operational continuity. Partner with adjacent IT disciplines-including cloud, systems, security-to deliver integrated solutions; provide mentorship and technical leadership to junior technical staff as needed. Minimum Qualifications Bachelor's Degree in Computer Science, Information Technology, or related field or equivalent experience. Master's Degree preferred. Cisco CCNP (Routing & Switching or Enterprise). Microsoft AZ-700: Designing and Implementing Microsoft Azure Networking Solutions, and Microsoft AZ-104: Azure Administrator. 7+ years of experience. Other Job Specific Skills Expert knowledge of TCP/IP, BGP, OSPF, DMVPN, DNS, DHCP. Cisco routing/switching with Nexus 9K, Catalyst, ISR, and C8500 series. Strong Palo Alto experience including SSL decryption, HA configuration, and IPS tuning. Azure networking including ExpressRoute, NSGs, virtual WAN, peering, VPNs. Familiarity with Cisco ACI or willingness to rapidly train up for deployment. Experience leading physical buildouts and Data Center Moves: rack layout, cable management, port planning. PowerShell or Python scripting for automation and config deployment. Preferred Qualifications CCIE, PCNSE, or additional Azure network/security certs. Experience with Cisco ISE, DNA Center, and SD-WAN. Experience in a federal or DOE environment. Prior Engineering leadership in large-scale infrastructure projects to include Data Center Moves. Experience implementing Azure Front Door, WAF, Private Link, or NAT Gateway. Experience working for the Federal Government as an IT Contractor.

Please note this posting is to advertise potential job opportunities. This exact role may not be open today but could open in the near future. When you apply, a Cisco representative may contact you directly if a relevant position opens. Applications are accepted until further notice. Meet the Team Our dedicated team members are engineering the foundation of Cisco's core technologies across the globe, including teams in Engineering like Common Hardware Group, Network Product Eng, Infrastructure & Security. You will be an essential contributor to the development of next-generation innovations in operating systems, firmware, networking stacks, and security infrastructure. Working on these teams, you will gain hands-on experience with hardware-software integration and low-level networking technologies that power Cisco's critical products. Discover the possibilities when deep technical expertise meets creativity and help build solutions that transform how the world connects and communicates. Your Impact You are a passionate engineer skilled in low-level programming, networking protocols, and hardware-software integration, with strong communication and collaboration abilities. You thrive in solving complex challenges through innovation and precision, while being highly organized and process-driven. Your work develops and maintains critical software and tools that ensure hardware compatibility, network performance, and security for Cisco's core products like operating systems, firmware, and networking stacks. By effectively managing your time and streamlining processes, you deliver high-quality solutions that embed resilience and efficiency into global communications infrastructure, directly contributing to Cisco's leadership in trusted, scalable networking technologies. Minimum Qualifications * Completion within the past 3 years, or current enrollment with expected completion within 12 months, of a certification or relevant degree program (e.g., Associate's, Apprenticeship, Boot Camp, or Certification in a specialized program + 1 year of relevant experience, High School Diploma + 2 years of relevant experience) or Bachelor's + 0 years of relevant experience. * Proficiency in C programming and experience with embedded Linux, including a solid understanding of operating system fundamentals. * Familiarity with network principles & concepts, routing protocols, and general networking concepts. * Hands-on experience with automation tools and scripting languages (such as Python or Bash), along with knowledge of CI/CD pipelines (e.g., Jenkins, GitHub Actions). * Understanding of DevSecOps practices and their application in software development workflows. Preferred Quals: * Conceptual understanding or hands-on experience with AI/ML. * Understanding of cybersecurity principles and security protocols. * Experience with FPGA development. * Knowledge of signal and power integrity, and PCB design. Why Cisco? At Cisco, we're revolutionizing how data and infrastructure connect and protect organizations in the AI era - and beyond. We've been innovating fearlessly for 40 years to create solutions that power how humans and technology work together across the physical and digital worlds. These solutions provide customers with unparalleled security, visibility, and insights across the entire digital footprint. Fueled by the depth and breadth of our technology, we experiment and create meaningful solutions. Add to that our worldwide network of doers and experts, and you'll see that the opportunities to grow and build are limitless. We work as a team, collaborating with empathy to make really big things happen on a global scale. Because our solutions are everywhere, our impact is everywhere. We are Cisco, and our power starts with you. Message to applicants applying to work in the U.S. and/or Canada: Individual pay is determined by the candidate's hiring location, market conditions, job-related skillset, experience, qualifications, education, certifications, and/or training. The full salary range for certain locations is listed below. For locations not listed below, the recruiter can share more details about compensation for the role in your location during the hiring process. U.S. employees are offered benefits, subject to Cisco's plan eligibility rules, which include medical, dental and vision insurance, a 401(k) plan with a Cisco matching contribution, paid parental leave, short and long-term disability coverage, and basic life insurance. Please see the Cisco careers site to discover more benefits and perks. Employees may be eligible to receive grants of Cisco restricted stock units, which vest following continued employment with Cisco for defined periods of time. U.S. employees are eligible for paid time away as described below, subject to Cisco's policies: * 10 paid holidays per full calendar year, plus 1 floating holiday for non-exempt employees * 1 paid day off for employee's birthday, paid year-end holiday shutdown, and 4 paid days off for personal wellness determined by Cisco * Non-exempt employees receive 16 days of paid vacation time per full calendar year, accrued at rate of 4.92 hours per pay period for full-time employees * Exempt employees participate in Cisco's flexible vacation time off program, which has no defined limit on how much vacation time eligible employees may use (subject to availability and some business limitations) * 80 hours of sick time off provided on hire date and each January 1st thereafter, and up to 80 hours of unused sick time carried forward from one calendar year to the next * Additional paid time away may be requested to deal with critical or emergency issues for family members * Optional 10 paid days per full calendar year to volunteer For non-sales roles, employees are also eligible to earn annual bonuses subject to Cisco's policies. Employees on sales plans earn performance-based incentive pay on top of their base salary, which is split between quota and non-quota components, subject to the applicable Cisco plan. For quota-based incentive pay, Cisco typically pays as follows: * .75% of incentive target for each 1% of revenue attainment up to 50% of quota; * 1.5% of incentive target for each 1% of attainment between 50% and 75%; * 1% of incentive target for each 1% of attainment between 75% and 100%; and * Once performance exceeds 100% attainment, incentive rates are at or above 1% for each 1% of attainment with no cap on incentive compensation. For non-quota-based sales performance elements such as strategic sales objectives, Cisco may pay 0% up to 125% of target. Cisco sales plans do not have a minimum threshold of performance for sales incentive compensation to be paid. The applicable full salary ranges for this position, by specific state, are listed below: New York City Metro Area: $104,700.00 - $153,000.00 Non-Metro New York state & Washington state: $92,100.00 - $136,000.00 * For quota-based sales roles on Cisco's sales plan, the ranges provided in this posting include base pay and sales target incentive compensation combined. Employees in Illinois, whether exempt or non-exempt, will participate in a unique time off program to meet local requirements.

The Network Engineer is a hybrid operations and engineering role responsible for both the day-to-day administration of the Department of Energy (DOE) Office of Science's network infrastructure and the design and execution of enterprise network modernization efforts. Based in Oak Ridge, TN, this position plays a critical role in both maintaining secure, high-performance connectivity and leading infrastructure projects such as core network redesign, cloud integration, and security architecture improvements. The ideal candidate combines deep technical skills with the ability to lead, plan, and execute at an engineering level. + Serve in a dual-capacity role that balances high-level network design and architecture responsibilities with day-to-day operational support and device configuration across enterprise environments. + Administer and maintain a multi-site enterprise network, including the configuration and lifecycle management of routers, switches, firewalls, VPNs, wireless infrastructure, and load balancing technologies. + Develop scalable and resilient network architectures that support high availability, fault tolerance, and future growth, with an emphasis on alignment with DOE enterprise IT strategy and security policies. + Engineer and support complex routing strategies involving protocols such as EIGRP, OSPF, and BGP; ensure optimal route redistribution, convergence, and path selection across hybrid connectivity models including DMVPN and MPLS. + Firewall and Security Integration: Implement and manage next-generation firewall platforms (e.g., Palo Alto), including high availability configuration, SSL decryption, policy optimization, IDS/IPS system configurations, and integration with cloud and on-premises security architectures. + Design, deploy, and manage hybrid network topologies within Microsoft Azure, including Virtual Networks (VNets), ExpressRoute, peering, NAT Gateway, and firewall solutions to ensure secure and performant cross-premise connectivity. + Support the implementation and management of NAC solutions such as Cisco ISE, including potential integration with Microsoft Intune to enforce endpoint compliance and identity-based access control. + Lead and execute infrastructure modernization initiatives, including the planning, implementation, and validation of new networking technologies or the re-architecture of existing environments. + Leverage network performance tools such as Catalyst Center, SolarWinds and Azure Network Watcher to monitor availability, perform root cause analysis, and implement performance enhancements. + Maintain accurate technical documentation including topology diagrams, configuration baselines, IP address management, and change control records to support audit readiness and operational continuity. + Partner with adjacent IT disciplines-including cloud, systems, security-to deliver integrated solutions; provide mentorship and technical leadership to junior technical staff as needed. **Minimum Qualifications** + Bachelor's Degree in Computer Science, Information Technology, or related field or equivalent experience. Master's Degree preferred. + Cisco CCNP (Routing & Switching or Enterprise). Microsoft AZ-700: Designing and Implementing Microsoft Azure Networking Solutions, and Microsoft AZ-104: Azure Administrator. + 7+ years of experience. **Other Job Specific Skills** + Expert knowledge of TCP/IP, BGP, OSPF, DMVPN, DNS, DHCP. + Cisco routing/switching with Nexus 9K, Catalyst, ISR, and C8500 series. + Strong Palo Alto experience including SSL decryption, HA configuration, and IPS tuning. + Azure networking including ExpressRoute, NSGs, virtual WAN, peering, VPNs. + Familiarity with Cisco ACI or willingness to rapidly train up for deployment. + Experience leading physical buildouts and Data Center Moves: rack layout, cable management, port planning. + PowerShell or Python scripting for automation and config deployment. **Preferred Qualifications** + CCIE, PCNSE, or additional Azure network/security certs. + Experience with Cisco ISE, DNA Center, and SD-WAN. + Experience in a federal or DOE environment. + Prior Engineering leadership in large-scale infrastructure projects to include Data Center Moves. + Experience implementing Azure Front Door, WAF, Private Link, or NAT Gateway. + Experience working for the Federal Government as an IT Contractor. **Compensation Ranges** Compensation ranges for ASM Research positions vary depending on multiple factors; including but not limited to, location, skill set, level of education, certifications, client requirements, contract-specific affordability, government clearance and investigation level, and years of experience. The compensation displayed for this role is a general guideline based on these factors and is unique to each role. Monetary compensation is one component of ASM's overall compensation and benefits package for employees. **EEO Requirements** It is the policy of ASM that an individual's race, color, religion, sex, disability, age, sexual orientation or national origin are not and will not be considered in any personnel or management decisions. We affirm our commitment to these fundamental policies. All recruiting, hiring, training, and promoting for all job classifications is done without regard to race, color, religion, sex, disability, or age. All decisions on employment are made to abide by the principle of equal employment. Physical Requirements The physical requirements described in "Knowledge, Skills and Abilities" above are representative of those which must be met by an employee to successfully perform the primary functions of this job. (For example, "light office duties' or "lifting up to 50 pounds" or "some travel" required.) Reasonable accommodations may be made to enable individuals with qualifying disabilities, who are otherwise qualified, to perform the primary functions. **Disclaimer** The preceding job description has been designed to indicate the general nature and level of work performed by employees within this classification. It is not designed to contain or be interpreted as a comprehensive inventory of all duties, responsibilities and qualifications required of employees assigned to this job. $80,100 - $122k EEO Requirements It is the policy of ASM that an individual's race, color, religion, sex, disability, age, gender identity, veteran status, sexual orientation or national origin are not and will not be considered in any personnel or management decisions. We affirm our commitment to these fundamental policies. All recruiting, hiring, training, and promoting for all job classifications is done without regard to race, color, religion, sex, veteran status, disability, gender identity, or age. All decisions on employment are made to abide by the principle of equal employment.

Job Description This person must be able to work on-site in Oak Ridge 3 days a week Must be eligible for a Federal security clearance (US citizenship required). Major Duties/Responsibilities: Our primary goal is to partner with research organizations to enable research excellence and delivery. We work with other clustered computing and HPC groups to help research programs identify the best solutions for their needs. When we build our customer's environments, our team collaborates to design, implement, and maintain the systems from inception to retirement. This position is hybrid or on-site at a DOE facility in Oak Ridge TN. Advocate and promote HPC and clustered computing services to researchers who process large data sets and/or develop code as a part of their project. Ensure the availability, performance, scalability, and security of production systems. Leverage automation and monitoring solutions that minimize our day-to-day maintenance and scout opportunities to optimize system management practices or system performance. Collaborate with technical POCs for the programs that we support to install and help tune the performance of various scientific toolsets. This Group optimizes workflows and monitoring solutions to take advantage of our 24/7 operations staff, which significantly reduces the need for off-hours support. We use Email, Jira, Confluence, Teams, and other collaboration solutions to stay in contact.Deliver our mission by aligning behaviors, priorities, and interactions with our core values of Impact, Integrity, Teamwork, Safety, and Service. Promote diversity, equity, inclusion, and accessibility by fostering a respectful workplace - in how we treat one another, work together, and measure success.Basic Qualifications: A BS in computer science, computer engineering, information technology, science, engineering, business or a related field of study and two (2) to four (4) years of aligned experience is required for consideration. 1+ year managing UNIX/Linux Systems. 1+ year utilizing configuration management and automation tools such as Git, Jenkins, Ansible, or Puppet. Some proficiency in at least one scripting language such as Bash, Python, or equivalent. Experience performing troubleshooting and system administration with Linux Servers. Experience supporting large data systems. A desire to push the envelope and identify new technologies and opportunities and be able to communicate the potential benefits of those choices to others within the team and our research partners. A collaborative and energetic mindset to thrive on the opportunity to build trust and credibility, and ultimately become a trusted advisor to our research teams. Preferred Qualifications: Understanding of multiple operating systems and cluster technologies. Experience with Centos/RHEL, Ubuntu, VMware. Understanding of HPC platforms to support users with SLURM job submissions and troubleshooting. Experience building and running containerized applications in an HPC environment. Experience with multiple deployment mechanisms like Diskless, Warewulf, and traditional deployment (Cobbler, PXEboot, and/or Bright). Experience managing systems utilizing GPU (NVIDIA and AMD) clusters for AI/ML and/or image processing. Knowledge of networking fundamentals including TCP/IP, traffic analysis, common protocols, and network diagnostics. Experience with Infiniband networks and diagnostics. Extensive experience with High Performance Parallel File Systems (Lustre, WEKA, GPFS, etc). Experience with performance and diagnostic tools for benchmarking, analysis and tuning of systems, networking, and storage. Experience with Grafana, CheckMK, Nagios, Zabbix, SolarWinds, Ganglia, or other network and device monitoring systems. Previous experience working in a government, scientific or other highly technical environment. Good documentation skills, including ability to prepare simple documentation web pages. This position requires the ability to obtain and maintain a clearance from the Department of Energy. As such, this position is a Workplace Substance Abuse (WSAP) testing designated position. WSAP positions require passing a pre-placement drug test and participation in an ongoing random drug testing program.

Senior Linux HPC Systems Engineer Founded in 1999 in the beautiful Smoky Mountains of East Tennessee, Cadre5 provides innovative technical solutions to our customers locally and nationally. Our Cadre5 Lab Partners division has partnered with the Information Technology Services Directorate (ITSD) at Oak Ridge National Laboratory (ORNL) to recruit a Senior Linux HPC Systems Engineer to design, operate and maintain clusters, servers, and workstations supporting services where science happens at ORNL! ORNL delivers scientific discoveries and technical breakthroughs needed to realize solutions in energy and national security and provides economic benefit to the nation. This premier research institution located near Knoxville in Oak Ridge, TN, addresses national needs through impactful research and world-leading research centers. This is a full-time, permanent position that follows a hybrid model. Minimum of 3 days on-site a week. Why Cadre5? Working with highly talented team members 3 weeks' vacation Excellent medical insurance, including employer-paid benefits Job Responsibilities: · Advocate and promote HPC and clustered computing services to researchers who process large data sets and/or develop code as a part of their project. · Ensure the availability, performance, scalability, and security of production systems. · Leverage automation and monitoring solutions that minimize our day-to-day maintenance and scout opportunities to optimize system management practices or system performance. · Collaborate with technical POCs for the programs that we support to install and help tune the performance of various scientific toolsets. · Optimize both workflows and monitoring solutions to take advantage of our 24/7 operations staff, which significantly reduces the need for off-hours support. We use Email, Jira, Confluence, Teams, Slack, and other collaboration solutions to stay in contact. · Deliver ORNL's mission by aligning behaviors, priorities, and interactions with our core values of Impact, Integrity, Teamwork, Safety, and Service. Promote equal opportunity by fostering a respectful workplace - in how we treat one another, work together, and measure success. Basic Qualifications: · A BS degree in computer science, computer engineering, information technology, information systems, science, engineering, business, or a related discipline and a minimum of eight (8) to twelve (12) years of aligned professional experience is required for consideration. An overall combination of equivalent education and experience may be considered. Masters' holders should have a minimum of seven (7) to ten (10) years of relevant and aligned experience. PhD holders should have a minimum of four (4) to six (6) years of relevant and aligned experience. · Five (5) or more years with managing UNIX/Linux Systems. · Three (3) or years of proven experience with configuration management and automation tools such as Git, Jenkins, Ansible, or Puppet. · Moderate proficiency in at least one scripting language such as Bash, Python, or others. · Experience performing advanced troubleshooting and system administration with Linux Servers. · Experience supporting large data systems. · A strong desire to innovate and identify new technologies and opportunities and be able to communicate the potential benefits of those choices to others within the team and our research partners. · A collaborative and upbeat approach to thrive on the opportunity to build trust and credibility and ultimately become a trusted advisor to our research teams. · The ability to obtain and maintain a Department of Energy "Q" clearance is required. This requires US Citizenship. Preferred Qualifications: · Active DOE Q, active DOD Top Secret, or active DOD TS/SCI clearance is heavily preferred for consideration. · Solid understanding of multiple operating systems and cluster technologies. · Experience with Rocky/Centos/RHEL, Ubuntu, VMware. · Understanding of HPC platforms to support users with SLURM job submissions and troubleshooting. · Experience building and running containerized applications in an HPC environment. · Experience with multiple deployment mechanisms like Diskless, Warewulf, and traditional deployment (cobbler, PXEboot, and/or Bright). · Experience managing systems utilizing GPU (NVIDIA and AMD) clusters for AI/ML and/or image processing. · Knowledge of networking fundamentals including TCP/IP, traffic analysis, common protocols, and network diagnostics. · Experience with Infiniband networks and diagnostics. · Extensive experience with High Performance Parallel File Systems (Lustre, WEKA, GPFS, etc). · Experience with performance and diagnostic tools for benchmarking, analysis and tuning of systems, networking, and storage. · Experience with Grafana, CheckMK, Nagios, Zabbix, SolarWinds, Ganglia, or other network and device monitoring systems. · Previous experience working in a government, scientific or other highly technical environment. · Good documentation skills, including ability to prepare simple documentation web pages. Benefits Cadre5 offers excellent pay and benefits, to include full medical, dental, and vision coverage coupled with 401K match, 15 days PTO, and 10 holidays. Cadre5 is an equal opportunity employer. All qualified applicants, including individuals with disabilities and protected veterans, are encouraged to apply. Cadre5 is an E-Verify Employer.

Please note this posting is to advertise potential job opportunities. This exact role may not be open today but could open in the near future. When you apply, a Cisco representative may contact you directly if a relevant position opens. Applications are accepted until further notice. **Meet the Team** Our dedicated team members are engineering the foundation of Cisco's core technologies across the globe, including teams in Engineering like Common Hardware Group, Network Product Eng, Infrastructure & Security. You will be an essential contributor to the development of next-generation innovations in operating systems, firmware, networking stacks, and security infrastructure. Working on these teams, you will gain hands-on experience with hardware-software integration and low-level networking technologies that power Cisco's critical products. Discover the possibilities when deep technical expertise meets creativity and help build solutions that transform how the world connects and communicates. **Your Impact** You are a passionate engineer skilled in low-level programming, networking protocols, and hardware-software integration, with strong communication and collaboration abilities. You thrive in solving complex challenges through innovation and precision, while being highly organized and process-driven. Your work develops and maintains critical software and tools that ensure hardware compatibility, network performance, and security for Cisco's core products like operating systems, firmware, and networking stacks. By effectively managing your time and streamlining processes, you deliver high-quality solutions that embed resilience and efficiency into global communications infrastructure, directly contributing to Cisco's leadership in trusted, scalable networking technologies. **Minimum Qualifications** + Completion within the past 3 years, or current enrollment with expected completion within 12 months, of a certification or relevant degree program (e.g., Associate's, Apprenticeship, Boot Camp, or Certification in a specialized program + 1 year of relevant experience, High School Diploma + 2 years of relevant experience) or Bachelor's + 0 years of relevant experience. + Proficiencyin C programming and experience with embedded Linux, including a solid understanding of operating system fundamentals. + Familiarity with network principles & concepts, routing protocols, and general networking concepts. + Hands-on experience with automation tools and scripting languages (such as Python or Bash), along with knowledge of CI/CD pipelines (e.g., Jenkins, GitHub Actions). + Understanding of DevSecOpspractices and their application in software development workflows. **Preferred Quals:** + Conceptual understanding or hands-on experience with AI/ML. + Understanding ofcybersecurity principles and security protocols. + Experience with FPGA development. + Knowledge of signal and power integrity, and PCB design. **Why Cisco?** At Cisco, we're revolutionizing how data and infrastructure connect and protect organizations in the AI era - and beyond. We've been innovating fearlessly for 40 years to create solutions that power how humans and technology work together across the physical and digital worlds. These solutions provide customers with unparalleled security, visibility, and insights across the entire digital footprint. Fueled by the depth and breadth of our technology, we experiment and create meaningful solutions. Add to that our worldwide network of doers and experts, and you'll see that the opportunities to grow and build are limitless. We work as a team, collaborating with empathy to make really big things happen on a global scale. Because our solutions are everywhere, our impact is everywhere. We are Cisco, and our power starts with you. **Message to applicants applying to work in the U.S. and/or Canada:** Individual pay is determined by the candidate's hiring location, market conditions, job-related skillset, experience, qualifications, education, certifications, and/or training. The full salary range for certain locations is listed below. For locations not listed below, the recruiter can share more details about compensation for the role in your location during the hiring process. U.S. employees are offered benefits, subject to Cisco's plan eligibility rules, which include medical, dental and vision insurance, a 401(k) plan with a Cisco matching contribution, paid parental leave, short and long-term disability coverage, and basic life insurance. Please see the Cisco careers site to discover more benefits and perks. Employees may be eligible to receive grants of Cisco restricted stock units, which vest following continued employment with Cisco for defined periods of time. U.S. employees are eligible for paid time away as described below, subject to Cisco's policies: + 10 paid holidays per full calendar year, plus 1 floating holiday for non-exempt employees + 1 paid day off for employee's birthday, paid year-end holiday shutdown, and 4 paid days off for personal wellness determined by Cisco + Non-exempt employees** receive 16 days of paid vacation time per full calendar year, accrued at rate of 4.92 hours per pay period for full-time employees + Exempt employees participate in Cisco's flexible vacation time off program, which has no defined limit on how much vacation time eligible employees may use (subject to availability and some business limitations) + 80 hours of sick time off provided on hire date and each January 1st thereafter, and up to 80 hours of unused sick time carried forward from one calendar year to the next + Additional paid time away may be requested to deal with critical or emergency issues for family members + Optional 10 paid days per full calendar year to volunteer For non-sales roles, employees are also eligible to earn annual bonuses subject to Cisco's policies. Employees on sales plans earn performance-based incentive pay on top of their base salary, which is split between quota and non-quota components, subject to the applicable Cisco plan. For quota-based incentive pay, Cisco typically pays as follows: + .75% of incentive target for each 1% of revenue attainment up to 50% of quota; + 1.5% of incentive target for each 1% of attainment between 50% and 75%; + 1% of incentive target for each 1% of attainment between 75% and 100%; and + Once performance exceeds 100% attainment, incentive rates are at or above 1% for each 1% of attainment with no cap on incentive compensation. For non-quota-based sales performance elements such as strategic sales objectives, Cisco may pay 0% up to 125% of target. Cisco sales plans do not have a minimum threshold of performance for sales incentive compensation to be paid. The applicable full salary ranges for this position, by specific state, are listed below: New York City Metro Area: $104,700.00 - $153,000.00 Non-Metro New York state & Washington state: $92,100.00 - $136,000.00 * For quota-based sales roles on Cisco's sales plan, the ranges provided in this posting include base pay and sales target incentive compensation combined. ** Employees in Illinois, whether exempt or non-exempt, will participate in a unique time off program to meet local requirements. Cisco is an Affirmative Action and Equal Opportunity Employer and all qualified applicants will receive consideration for employment without regard to race, color, religion, gender, sexual orientation, national origin, genetic information, age, disability, veteran status, or any other legally protected basis. Cisco will consider for employment, on a case by case basis, qualified applicants with arrest and conviction records.