Senior systems engineer jobs in Arlington, VA - 6,863 jobs

MANTECH seeks a motivated, career and customer-oriented Senior Systems Administrator to join our team in Washington, DC. Responsibilities include but are not limited to: Serves as a Customer Advocate supporting VIP level customer; must present professional image and communicate well. Provides in-person, "white glove" support to key stakeholders. Responsible for providing support to end-user community on difficult hardware, software and network related problems, questions, and use. Provides resolutions to out of the ordinary issues for users. If unable to diagnose problem, will work with service desk management or Tier 3 to diagnose and resolve problem. Responds to trouble tickets, customer calls for support as well as in-person support assistance. Responsible for providing in-depth and high level, support to end-user community on hardware, software and network related problems, questions, and use. Troubleshoot and resolve incident tickets to include data storage, network connectivity, Active Directory accounts and security groups, and third-party software. Update and manage assigned tickets to include daily work notes and customer updates throughout the ticket lifecycle. Troubleshoot customer equipment to include desktops, Multi-Function Print devices, video teleconference hardware, and various other IT assets. Minimum Qualifications: Minimum of five (5) years of related experience in computer hardware, software, networking systems, and in the set-up, configuration, use, and troubleshooting of computer systems. Demonstrated experience troubleshooting and resolving issues with data storage, network connectivity, Active Directory accounts and security groups, third-party software, VDIs, desktops, thin clients, printers, scanners, fax machines, and MFDs. Demonstrated experience managing and updating customer tickets in a ticketing system. Outstanding customer service skills and practices. Experience contributing to a service desk technical knowledge base. Compliance with DoD 8570.01-M/8140.01 and have CompTIA Security+ certification Preferred Qualifications: Proficient with SolarWinds Web Helpdesk Proficient working with SharePoint and supporting customer related issues Proficient working with and supporting Microsoft Office products Clearance Requirements: Must have a current/active TS/SCI clearance and the ability to obtain and maintain a Yankee White Clearance. Physical Requirements: Must be able to be in a stationary position more than 50% of the time Must be able to communicate, converse, and exchange information with peers and senior personnel Constantly operates a computer and other office productivity machinery, such as a computer The person in this position frequently communicates with co-workers, management, and customers, which may involve delivering presentations. Must be able to exchange accurate information in these situations The person in this position needs to occasionally move about inside the office to access file cabinets, office machinery, etc.

Analyze system requirements and concept of operations documents, acquisition plans, and system descriptions to develop evaluation and test plans and procedures, prepare for and conduct the data collection and analysis, and report status and results Support the development of Government test and evaluation documentation e.g., Test & Evaluation (T&E) Strategy, Test & Evaluation Master Plan, Event Test Plans, Test Readiness Assessments, and T&E Reports. Work with other test organizations to support T&E program integration Provide specialized T&E capabilities tailored to system functions, level, maturity, and performance areas Requirements Bachelor's degree and 10+ years of relevant experience. Must have an Active TS/SCI Clearance; willingness to obtain and maintain a CI Poly. Essential Network Security (ENS) Solutions, LLC is a service-disabled veteran owned, highly regarded IT consulting and management firm. ENS consults for the Department of Defense (DoD) and Intelligence Community (IC) providing innovative solutions in the core competency area of Identity, Credential and Access Management (ICAM), Software Development, Cyber and Network Security, System Engineering, Program/Project Management, IT support, Solutions, and Services that yield enduring results. Our strong technical and management experts have been able to maintain a standard of excellence in their relationships while delivering innovative, scalable and collaborative infrastructure to our clients. Why ENS? Free Platinum-Level Medical/Dental/Vision coverage, 100% paid for by ENS 401k Contribution from Day 1 PTO + 11 Paid Federal Holidays Long & Short Term Disability Insurance Group Term Life Insurance Tuition, Certification & Professional Development Assistance Workers' Compensation Relocation Assistance #J-18808-Ljbffr

A consultancy firm is looking for a Senior Consultant to join their engineering department. Responsibilities include developing software solutions, documenting processes, and preparing system specifications. The ideal candidate should have a Bachelor's degree in Computer Science or a related field, with a Master's preferred, and at least four years of experience as a software engineer, including skills in software design, documentation, and development processes. The annual salary ranges from $75,000 to $100,000. #J-18808-Ljbffr

A fast-growing, enterprise organization with a complex, multi-location workforce is seeking a hands-on Workday HRIS professional to support and optimize its full HCM environment. This is a highly visible individual-contributor role responsible for the day-to-day stability, configuration, and evolution of Workday across the business. This position sits at the center of HR operations, payroll, benefits, and reporting, and partners closely with HR leadership and technical teams to ensure Workday runs accurately, securely, and efficiently. What You'll Do Own the ongoing configuration and maintenance of Workday HCM across all major modules, including time, absence, benefits, payroll, compensation, and recruiting Maintain and troubleshoot business process frameworks, condition rules, security roles, and data flows Monitor and resolve issues across Workday integrations and vendor feeds Support release cycles, including regression testing, UAT, and post-deployment validation Ensure data integrity, compliance, and audit readiness across the HR system Build and maintain Workday reports, dashboards, and analytics for HR and leadership Serve as the first point of escalation for system issues, enhancements, and end-user questions Partner with stakeholders to improve workflows, automate manual processes, and enhance the user experience What We're Looking For 5+ years of HRIS experience in an enterprise environment Hands-on Workday experience with configuration responsibility Exposure to multiple Workday HCM modules (time, absence, benefits, payroll, compensation, recruiting) Strong understanding of business process frameworks, security, reporting, and data governance Experience supporting system upgrades, testing cycles, and production troubleshooting Comfort working with integrations, file feeds, and third-party vendors Strong analytical and communication skills with the ability to work across technical and HR teams Why This Role Stands Out Broad Workday ownership rather than narrow module support Stable, well-resourced enterprise environment High-impact role supporting critical HR, payroll, and benefits operations Long-term growth path for a senior HRIS professional who wants depth and influence

A technology services company in Maryland seeks an Infrastructure Lead to design and maintain critical systems that meet NIST 800-53 compliance. The ideal candidate will manage a team and ensure robust performance, availability, and resiliency of infrastructure solutions. This pivotal role involves technical oversight of subcontractor deployments and capacity planning. U.S. Citizenship and the ability to obtain a Public Trust clearance are required. Join us in enhancing air travel safety and efficiency. #J-18808-Ljbffr

Leidos National Security Sector combines technology-enabled services and mission software capabilities in the areas of cyber, logistics, security operations, and decision analytics to support our defense and intel customers' mission to defend against evolving threats around the world. Our team's focus is to ensure our customers have the right tools, technologies, and tactics to keep pace with an ever-evolving security landscape and succeed in their pursuit to protect people and critical assets. The Intelligence Production Solutions Division (IPSD), part of the Decision Advantage Solutions Business Area, is currently seeking a Mid-Level Systems Engineer for the Chinook Program. As part of a highly skilled team, you will play a critical role in delivering geospatial intelligence (GEOINT) capabilities through innovative systems engineering practices, directly supporting the Customer's mission to provide timely, relevant, and accurate intelligence to national decision-makers and warfighters. Position may be performed in the following locations below. Please note Gaithersburg, MD is the program's primary work location. Gaithersburg, MD Alexandria, VA Chantilly, VA Aurora, CO St. Louis, MO Tucson, AZ Clearance Level Required: Top Secret with SCI eligibility and able to obtain a Polygraph. Primary Responsibilities: Support system architecture design, requirements development, integration planning, and configuration management. Provide engineering expertise for mission systems across the full system lifecycle from concept through deployment and sustainment. Collaborate with stakeholders across the Customer's and contractor teams to ensure interoperability, scalability, and mission alignment. Evaluate and recommend tools, techniques, and processes for system development and integration. Develop and maintain technical documentation, including system interface control documents (ICDs), and engineering reports. Participate in technical reviews, readiness assessments, and milestone events. Conduct analysis of system performance and provide recommendations for optimization. Basic Qualifications: US citizenship is required per contract. Bachelor's degree in Systems Engineering, Computer Science, or related field and 4-8 years of prior relevant experience or Master's with 2-6 years of prior relevant experience. Strong understanding of systems engineering principles, including requirements management, integration & test, and configuration control. Familiarity with Model-Based Systems Engineering (MBSE) tools and methodologies (e.g., Cameo, Sysml). Experience working in a DoD or Intelligence Community (IC) environment. Proficiency with Atlassian tools (JIRA, Confluence), Microsoft Office Suite, and collaboration platforms. Excellent written and verbal communication skills. Preferred Qualifications: Systems Engineering Professional (SEP), INCOSE, CISSP, Security+ certification, or similar credentials. Experience supporting the Customer's programs or working with the GEOINT lifecycle. Knowledge of cloud-based architectures (AWS, C2S) and DevSecOps environments. Familiarity with Agile and SAFe methodologies. Experience supporting GEOINT missions. At Leidos, we outthink, outbuild, and outpace the status quo - because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Original Posting: November 21, 2025 For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above. Pay Range: $87,100.00 - $157,450.00 The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law. About Leidos Leidos is an industry and technology leader serving government and commercial customers with smarter, more efficient digital and mission innovations. Headquartered in Reston, Virginia, with 47,000 global employees, Leidos reported annual revenues of approximately $16.7 billion for the fiscal year ended January 3, 2025. For more information, visit *************** Pay and Benefits Pay and benefits are fundamental to any career decision. That's why we craft compensation packages that reflect the importance of the work we do for our customers. Employment benefits include competitive compensation, Health and Wellness programs, Income Protection, Paid Leave and Retirement. More details are available at ************************************ Securing Your Data Beware of fake employment opportunities using Leidos' name. Leidos will never ask you to provide payment-related information during any part of the employment application process (i.e., ask you for money), nor will Leidos ever advance money as part of the hiring process (i.e., send you a check or money order before doing any work). Further, Leidos will only communicate with you through emails that are generated by the Leidos.com automated system - never from free commercial services (e.g., Gmail, Yahoo, Hotmail) or via WhatsApp, Telegram, etc. If you received an email purporting to be from Leidos that asks for payment-related information or any other personal information (e.g., about you or your previous employer), and you are concerned about its legitimacy, please make us aware immediately by emailing us at *****************************. If you believe you are the victim of a scam, contact your local law enforcement and report the incident to the U.S. Federal Trade Commission. Commitment to Non-Discrimination All qualified applicants will receive consideration for employment without regard to sex, race, ethnicity, age, national origin, citizenship, religion, physical or mental disability, medical condition, genetic information, pregnancy, family structure, marital status, ancestry, domestic partner status, sexual orientation, gender identity or expression, veteran or military status, or any other basis prohibited by law. Leidos will also consider for employment qualified applicants with criminal histories consistent with relevant laws. #J-18808-Ljbffr

Be Challenged and Make a Difference In a world of technology, people make the difference. We believe if we invest in great people, then great things will happen. At AnaVation, we provide unmatched value to our customers and employees through innovative solutions and an engaging culture. Description of Task to be Performed: AnaVation is looking for a Sr. Systems Security Engineer to assist the customer with engineering and administration tasks. The ideal candidate will be comfortable engaging with client leadership on a regular basis and interacting with senior level team members. Responsibilities Perform hands-on engineering, administration, and securing of multiple operating systems (e.g., Windows, RHEL, Unix variants), and applying DISA STIGs across diverse vendor technologies, including virtualization platforms (VMWare, Hyper-V), cloud environments (AWS, Azure, Google Cloud), and enterprise applications. Perform system administration tasks to include audit and log management, availability monitoring and remediation, account management and access reviews, and configuration update scheduling and performance. Contribute to the design and development of secure system architectures, ensuring security is integrated through system and network lifecycles. Evaluate, implement, and document security architecture solutions, aligning with compliance requirements and organizational mission needs. Ensure technical compliance with applicable security frameworks, standards, and regulations (e.g., DISA SITGs, NIST 800-53, RMF). Conducting, configuring, and managing vulnerability scans. Conducting vulnerability remediations, patching, and system hardening. Collaborate with ISSOs, Assessors, System Owners, and other stakeholders to implement security controls. Support security assessments, audits, and accreditation/authorization (ATO) activities. Document security configurations, engineering solutions, and compliance evidence. Troubleshoot and resolve security-related technical issues in a timely manner. Understanding and advising the client regarding critical application data and vulnerability points, coordinating with industry partners to advise the government regarding those security vulnerabilities, and providing recommendations and advice on incident response and recovery plans. Providing Incident Response (IR) activities including triage, investigation, interviewing, resolving, and reporting on events. Promoting information security awareness across the program, ensuring security controls and processes are implemented. Presenting vulnerability analysis to system owners and leadership. Required Qualifications 5-10 years of experience in information system engineering and configuration management. 5 years of experience in control implementation and secure system engineering or design. Excellent communication skills. Hands on experience with: Security monitoring and evaluation, including audits, assessments, and risk management SIEM tools (e.g., Splunk) Vulnerability Scanning tools (e.g., Tenable, Nessus) EDR tools (e.g., Crowdstrike) Web App Scanning tools (e.g., Burpsuite, Acunetix) Active Directory SANs VMWare Networking Devices Expertise in batch, bash, and/or PowerShell scripting Able to deliver and present security compliance to a wide range of audiences (i.e., system owners, division leadership). Experience configuring and operating enterprise storage across networks (SAN) Server visualization - design solutions and configuration (VMWare, VSphere, Hyper-V, etc) Experience with: Linux (RHEL 7/8), Windows Operating Systems, and Oracle/SQL Databases Agile Methodologies GRC Tools (e.g., CSAM) Strong desire to learn, grow and be highly motivated. Certifications: OS specific certifications, Security + Personnel assigned to this task shall possess a blend of strong technical skills (networking, operating systems, security tools, programming, encryption) and essential soft skills (problem-solving, critical thinking, communication, collaboration) to design, implement, and maintain an information system's security control implementation. Desired Qualifications Knowledgeable on different cloud providers: AWS, Azure, Oracle, GCP Understanding of servers and security tools Education: Bachelor's degree in Engineering, Computer Science, or Information Systems Certifications: CompTIA Server+, Cloud certifications (AWS, Azure, Google), Network+, CCNA, RHCSA, Azure (AZ-104, AZ-204, AZ-500, AZ-305), AWS Solutions Architect Benefits Generous cost sharing for medical insurance for the employee and dependents 100% company paid dental insurance for employees and dependents 100% company paid long-term and short-term disability insurance 100% company paid vision insurance for employees and dependents 401k plan with generous match and 100% immediate vesting Competitive Pay Generous paid leave and holiday package Tuition and training reimbursement Life and AD&D Insurance About AnaVation AnaVation is the leader in solving the most complex technical challenges for collection and processing in the U.S. Federal Intelligence Community. We are a US owned company headquartered in Chantilly, Virginia. We deliver groundbreaking research with advanced software and systems engineering that provides an information advantage to contribute to the mission and operational success of our customers. We offer complex challenges, a top-notch work environment, and a world-class, collaborative team. If you want to grow your career and make a difference while doing it, AnaVation is the perfect fit for you! AnaVation is an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to sex, race, color, religion, national origin, disability, protected Veteran status, age, or any other characteristic protected by law. #J-18808-Ljbffr

United States Job Identification 313489 Job Category Pre Sales Posting Date 12/16/2025, 03:30 PM Job Type Regular Employee require a security clearance? No Years 6 to 10+ years Additional Info Visa / work permit sponsorship is not available for this position Applicants are required to read, write, and speak the following languages English Job Description Partners with customers, sales, engineering and product teams to design, demonstrate and deploy Oracle Cloud architectures that address customer business problems. Drives Oracle Cloud customer consumption by accelerating the adoption of Oracle cloud services including discovery, design and deployment. Responsibilities Engages with strategic customers, builds leadership relationships at multiple levels within organizations in order to design and implement solutions. Works directly with customers to gather requirements, develop architectures and translates business needs into solutions. May implement solutions and ensure successful deployments through code development and scripting. Displays product/application understanding through highly customized presentation demonstrations to customers, and at conferences, and events. Supports customer from Proof of Concept (POC) through production deployment of services via resource configuration, planning, and customer education/training. Creates and distributes technical assets (white papers, solution code, blog posts, and video demonstrations). Serves as a leading contributor for customers and sales on technical cloud solutions and customer success. Identifies gaps and enhancements to influence engineering roadmaps for customer driven features. Leading contributor, may provide direction and mentoring to others. Work is non-routine and very complex, involving the application of advanced technical/business skills in area of specialization. May interact with C level. Maintains expertise by staying current on emerging technologies. Qualifications Disclaimer: Certain US customer or client-facing roles may be required to comply with applicable requirements, such as immunization and occupational health mandates. Range and benefit information provided in this posting are specific to the stated locations only US: Hiring Range in USD from: $113,100 to $185,100 per annum. May be eligible for equity. Eligible for commission with an estimated pay mix of 70/30. Oracle maintains broad salary ranges for its roles in order to account for variations in knowledge, skills, experience, market conditions and locations, as well as reflect Oracle's differing products, industries and lines of business. Candidates are typically placed into the range based on the preceding factors as well as internal peer equity. Oracle US offers a comprehensive benefits package which includes the following: Medical, dental, and vision insurance, including expert medical opinion Short term disability and long term disability Life insurance and AD&D Supplemental life insurance (Employee/Spouse/Child) Health care and dependent care Flexible Spending Accounts Pre-tax commuter and parking benefits 401(k) Savings and Investment Plan with company match Paid time off: Flexible Vacation is provided to all eligible employees assigned to a salaried (non-overtime eligible) position. Accrued Vacation is provided to all other employees eligible for vacation benefits. For employees working at least 35 hours per week, the vacation accrual rate is 13 days annually for the first three years of employment and 18 days annually for subsequent years of employment. Vacation accrual is prorated for employees working between 20 and 34 hours per week. Employees working fewer than 20 hours per week are not eligible for vacation. 11 paid holidays Paid sick leave: 72 hours of paid sick leave upon date of hire. Refreshes each calendar year. Unused balance will carry over each year up to a maximum cap of 112 hours. Paid parental leave Adoption assistance Employee Stock Purchase Plan Financial planning and group legal Voluntary benefits including auto, homeowner and pet insurance The role will generally accept applications for at least three calendar days from the posting date or as long as the job remains posted. Career Level - IC4 About Us As a world leader in cloud solutions, Oracle uses tomorrow's technology to tackle today's challenges. We've partnered with industry-leaders in almost every sector-and continue to thrive after 40+ years of change by operating with integrity. We know that true innovation starts when everyone is empowered to contribute. That's why we're committed to growing an inclusive workforce that promotes opportunities for all. Oracle careers open the door to global opportunities where work-life balance flourishes. We offer competitive benefits based on parity and consistency and support our people with flexible medical, life insurance, and retirement options. We also encourage employees to give back to their communities through our volunteer programs. We're committed to including people with disabilities at all stages of the employment process. If you require accessibility assistance or accommodation for a disability at any point, let us know by emailing accommodation-request_************* or by calling *************** in the United States. Oracle is an Equal Employment Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, national origin, sexual orientation, gender identity, disability and protected veterans' status, or any other characteristic protected by law. Oracle will consider for employment qualified applicants with arrest and conviction records pursuant to applicable law. Request a referral from an Oracle employee. #J-18808-Ljbffr

Saalex is seeking a Senior Principal Safety Engineers in Bethesda, MD to support NSWC Carderock's requirements for engineering, IT, and technical support for data analysis, software development and modifications, control system development, IT and Information assurance (IA). The work performed will be in support of various projects related to surface ships, submarines, boats and combatant craft, air vehicles, other vehicles going through air and/or water, associated trainers and simulators from any of the above, and IT infrastructure. Senior Principal Safety Engineer provides software and system safety analysis, risk assessment, and safety verification in accordance with DoD policies and procedures. Responsibilities include but not limited to preparation of system/software safety requirements and verification, execution of system/software safety analyses, safety analysis reports, development of software documentation, and planning and performance of software quality evaluation throughout the software development cycle. Position Type: Full-Time Salary:$140k - $206k annually (depending on experience) Work Location:Onsite. Candidates are required to work onsite full-time in Bethesda, MD. Required: Bachelor's Degree from an accredited institution in Computer Science, Software or IT discipline, Engineering, or Mathematics. Desired: Fifteen (15) years of experience with software and system safety analysis, risk assessment, and safety verification in accordance with the requirements of MIL-STD-882E and the Department of Defense (DOD) Joint Software System Safety Engineering Handbook (JSSSEH) on a variety of systems and producing documentation of analysis results. The fifteen (15) years of experience shall include experience in all of the following: Preparation of system/software safety requirements and verification requirements, execution of system/software safety analyses, safety analysis reports and data packages/preparation material for safety review panels (such as Weapons System Evaluation Review Board (WSERBs) and Technical Review Panel (TRP)), preparation of System Safety Program Plans (SSPPs) and System Safety Management Plans (SSMPs), Fly-By-Wire (FBW) Audits, preparation of Safety Assessment Reports (SAR), analysis and assessment of Engineering Change Proposals (ECPs), Software Trouble Reports (STRs), and Software Change Notices (SCNs and development of safety test plans and review of safety test documentation. Development of software documentation that includes preparation of Software Development Plans (SDPs), Software Requirement Specifications (SRSs), Software Configuration. Management Plans (SCMPs), Software Detailed Design Documents (SDDDs), and Interface Design Documents (IDDs); and experience in the planning and performance of software quality evaluation throughout the software development cycle. Providing safety reviews of development and design documentation, as well as hazard analyses for Lithium-Ion battery systems such as the Critical Battery Management System (CBMS). Security Clearance: Active Secret clearance required. Requirements to obtain a clearance include US Citizenship, security investigation, etc. Education/Experience: Bachelor's Degree from an accredited institution in Computer Science, Software or IT discipline, Engineering, or Mathematics. Competitive Compensation: We offer a highly competitive salary package to attract and retain top talent in the industry. Our compensation structure is designed to reward exceptional performance and provide financial stability. Comprehensive Health Coverage: We provide a comprehensive health insurance plan that covers medical, dental, and vision expenses. Our goal is to ensure that our employees have access to quality healthcare and can take care of their well-being. Retirement Savings: We offer a robust retirement savings program, including a 401(k) plan, to help our employees plan for their future. We provide matching contributions to help accelerate their savings and build a solid financial foundation. Work-Life Balance: We believe in the importance of work-life balance and understand that our employees have personal commitments and responsibilities. We offer generous paid time off to support our employees in maintaining a healthy work-life integration. Professional Development: We are committed to the growth and development of our employees. We provide various opportunities for professional development, including training programs, and tuition reimbursement, to help them expand their skills and advance in their careers. Recognition and Rewards: We value the contributions of our employees and believe in recognizing their achievements. We have a robust recognition program in place, including employee appreciation events, and employee recognition awards, to acknowledge and reward exceptional work. Positive and Inclusive Work Environment: We foster a positive and inclusive work environment where diversity is valued, and employees feel respected and empowered. We promote collaboration, open communication, and teamwork to create a supportive atmosphere that enables everyone to thrive. Saalex Solutions, a division of Saalex Corp., is an Engineering and Information Technology Services company with a focus on Test Range Operations and Management, Engineering and Logistics Services, Data Analytics and Business Intelligence Services and Information Technology Services. Founded in 1999 by Travis Mack, Saalex Solutions is a Service Disabled Veteran-Owned and Operated business with prime and subcontract expertise serving the Navy, Army, Air Force, NASA, corporate clients, and local governments. We employ a workforce of over 600 at military and NASA installations nationwide and have offices in Camarillo CA, Rockledge FL, Newport RI, Ridgecrest CA, Corona CA and Keyport WA. Equal Opportunity Employer/Veterans/Disabled Pay Transparency Nondiscriminatory Provision #J-18808-Ljbffr

A premier technology integrator is seeking a Senior Appian Consultant to provide guidance on solution delivery and integrate Appian solutions into client architectures. The role includes leading implementation teams, mentoring delivery teams, and creating best practices. Candidates should have significant experience with Appian solutions, strong communication skills, and be U.S. citizens. This is a hybrid position located in McLean, VA, offering comprehensive benefits including medical plans, 401K match, and tuition reimbursement. #J-18808-Ljbffr

```html About the Company Acclaim Technical Services, founded in 2000, is a leading language, operations, and technology services company supporting a wide range of U.S. Federal agencies. We are an Employee Stock Ownership Plan (ESOP) company, which is uncommon within our business sector. We see this as a significant strength, and it shows: ATS is consistently ranked as a top workplace among DC area firms and continues to grow. About the Role We are actively hiring a Systems Integrator to join our Data and Systems Integration Division working in Northern Virginia. You will be responsible for addressing, supporting and implementing Customer directed duties, tasks and objectives specific to unique Customer projects and programs. Responsibilities Manages day-to-day operations system resolutions by monitoring system, performance, configuration, maintenance, and performance. Installs network rebuilds to existing servers of system resources by monitoring system performance, configuration, maintenance, and repair. Applies system firmware and update security and other patches. Develops new system implementation plans. Performs system troubleshooting and works with outside vendors and other supplier personnel to effect resolution of issues. Establishes guidelines for installing/management of standalone workstations. Develops and implements infrastructure maintenance strategies. Develops procedures for system back-up. Works closely with development team to deploy network software and improve existing system. Qualifications Active TS/SCI clearances with polygraph, recent BI and polygraph within the last five years or ability to successfully complete required security processing. Bachelor' degree in computer science, software engineering, IT (or related major), or documented work experience. 5+ years of relevant experience in the areas of computer science, engineering, information technology, or information systems. Required Skills Extensive hands-on experience with computers and network security concepts, controls and implementations. Extensive knowledge of hands-on experience with building, maintaining - Windows, Server, Microsoft Virtualization Technologies. Experience with managing engineering projects (i.e., design, build, deploy). Knowledge and hands-on experience with scripting languages such as, Bash, Powershell, Python, etc. Knowledge and hands-on experience implementing secure best practices within platforms and networks such as, Securing Virtual Machines, Hypervisions, Virtual Desktop, Virtual Networks, etc. Knowledge and hands-on experience with Microsoft Azure. Knowledge and hands-on experience with basic networking and VPN technologies. Practical experience in Linux administration, architecture, networking and optimization. Strong analytical and problem-solving skills, demonstrated ability to analyze complex situations, determining course of action, and acting promptly and effectively when problems arise. Equal Opportunity Statement We are committed to diversity and inclusivity. ```

Kimley-Horn's DC office is seeking a Substation Physical Engineer with 10+ years of experience to join their Power Delivery team! This is not a remote position. Responsibilities Perform conceptual and detailed HV and MV Substation Physical/Electrical design for utilities/substations (including basic layout, electrical arrangement, one line, three-line drawings, plan-section, grounding, AC and DC system drawings) Perform engineering studies and calculations Perform Quality Control reviews on substation physical design projects Assume the role of technical lead on projects with limited guidance Create and review bill of materials for substation physical projects Develop and review proposals, and scopes of work for smaller substation physical projects Plan and lead client meetings (or meeting sections) relating to physical design, as required Provide support for continued professional development of less experienced engineers in team, including technical guidance, and recommending training needs to the group Possess excellent communication skills and the ability to interact with the internal teams and clients to meet project objectives Develop leadership skills in preparation for future roles on the team Qualifications 10+ years of relevant engineering experience in Substation Physical Design Professional Engineering (P.E.) License (or ability to obtain within 12 months) Enjoys working in a fast-paced environment on multiple projects Proficiency in using industry-standard design software such as AutoCAD Experience with grounding studies/lightning protection and lighting studies Experience with bus calculation Experience with CDEGS Base Salary Range: $135,000- $150,000 Eligible for performance-based bonus compensation #J-18808-Ljbffr

About the team The OpenAI for Government team is a dynamic, mission-driven group leveraging frontier AI to transform how governments achieve their missions. Our team works to empower public servants with secure, compliant AI tools (e.g., ChatGPT Enterprise, ChatGPT Gov) and mission-aligned deployments that meet government technical requirements with strong reliability and safety. About the role Forward Deployed Engineers (FDEs) lead complex deployments of frontier models in production. You will embed with our most strategic government and public sector customers-where model performance matters, delivery is urgent, and ambiguity is the default. You'll map their problems, structure delivery, and ship fast. This includes scoping, sequencing, and building full-stack solutions that create measurable value, while driving clarity across internal and external teams. You will work directly with defense, intelligence, and federal stakeholders as their technical thought partner, guiding adoption, maximizing mission impact, and ensuring successful deployments at scale. Along the way, you'll identify reusable patterns, codify best practices, and share field signal that influences OpenAI's roadmap. This role is based in Washington DC, Seattle or San Francisco. We use a hybrid work model of 3 days in the office per week. We offer relocation assistance. Travel up to 50% is required, including on-site work with customers. In this role you will Own technical delivery across multiple government deployments, from first prototype to stable production. Deeply embed with public sector customers to design and build novel applications powered by OpenAI models. Enable successful deployments across customer environments by delivering observable systems spanning infrastructure through applications. Prototype and build full-stack systems using Python, JavaScript, or comparable stacks that deliver real mission impact. Proactively guide customers on maximizing business and operational value from their applications. Forge and manage relationships with customer leadership and stakeholders, ensuring successful deployment and scale. Scope work, sequence delivery, and remove blockers early-making trade-offs between scope, speed, and quality. Contribute directly in the code when clarity or momentum depends on it. Codify working patterns into tools, playbooks, or building blocks others can use. Share field feedback with Research and Product to influence model and product development. Keep teams moving through clarity, judgment, and consistent follow-through. You might thrive in this role if you Bring 5+ years of engineering or technical deployment experience, ideally in customer-facing or government environments. Active TS/SCI clearance or equivalent Have scoped and delivered complex systems in fast-moving or ambiguous contexts. Write and review production-grade code across frontend and backend, using Python, JavaScript, or similar stacks. Are familiar with cloud deployment models (Azure, AWS), Kubernetes, Terraform, and related infrastructure. Have experience building or deploying systems powered by LLMs or generative models, and understand how model behavior affects product experience. Simplify complexity, make fast, sound decisions under pressure, and communicate clearly across technical and non-technical audiences. Spot risks early, adjust without slowing down, and model calm judgment when stakes are high. Are humble, collaborative, and eager to help others with empathy. Operate with high horsepower, thrive in dynamic environments, and can ruthlessly prioritize across multiple projects. About OpenAI OpenAI is an AI research and deployment company dedicated to ensuring that general-purpose artificial intelligence benefits all of humanity. We push the boundaries of the capabilities of AI systems and seek to safely deploy them to the world through our products. AI is an extremely powerful tool that must be created with safety and human needs at its core, and to achieve our mission, we must encompass and value the many different perspectives, voices, and experiences that form the full spectrum of humanity. We are an equal opportunity employer, and we do not discriminate on the basis of race, religion, color, national origin, sex, sexual orientation, age, veteran status, disability, genetic information, or other applicable legally protected characteristic. For additional information, please see OpenAI's Aff… Background checks for applicants will be administered in accordance with applicable law, and qualified applicants with arrest or conviction records will be considered for employment consistent with those laws, including the San Francisco Fair Chance Ordinance, the Los Angeles County Fair Chance Ordinance for Employers, and the California Fair Chance Act, for US-based candidates. For unincorporated Los Angeles County workers: we reasonably believe that criminal history may have a direct, adverse and negative relationship with the following job duties, potentially resulting in the withdrawal of a conditional offer of employment: protect computer hardware entrusted to you from theft, loss or damage; return all computer hardware in your possession (including the data contained therein) upon termination of employment or end of assignment; and maintain the confidentiality of proprietary, confidential, and non-public information. In addition, job duties require access to secure and protected information technology systems and related data security obligations. To notify OpenAI that you believe this job posting is non-compliant, please submit a report through this form. No response will be provided to inquiries unrelated to job posting compliance. We are committed to providing reasonable accommodations to applicants with disabilities, and requests can be made via this link. OpenAI Global Applicant Privacy Policy At OpenAI, we believe artificial intelligence has the potential to help people solve immense global challenges, and we want the upside of AI to be widely shared. Join us in shaping the future of technology. #J-18808-Ljbffr

A leading technology firm is looking for a Senior Container Infrastructure Consultant to design implementations of OpenShift infrastructure projects. This remote role requires strong expertise in Kubernetes, cloud platforms, and container technologies. Ideal candidates will have a strong background in Linux, networking, and automation, along with excellent communication skills to collaborate with clients across various industries. #J-18808-Ljbffr

A leading technology company in McLean, Virginia, seeks a Senior Principal Solutions Architect to lead complex engagements and offer technical guidance. The ideal candidate will have 12 to 15 years of experience, with a strong background in US Government Telecommunications systems. A current security clearance at the Top Secret/SCI level is essential, alongside other relevant credentials. This position offers a competitive salary range of $217,600 - $281,600 and opportunities to contribute significantly to mission-focused initiatives. #J-18808-Ljbffr

ReqID: NEW000203 **Joining Arup** At Arup, you belong to an extraordinary collective - one that encourages individuality to thrive. Our strength comes from how we respect, share, and connect our diverse experiences, perspectives, and ideas. You will have the opportunity to do socially useful work that has meaning - to Arup, to your career, to our members, and to the clients and communities we serve. We are currently seeking a Senior Plumbing Engineer to join us in one of our east offices, in New York, New Jersey, Boston, or DC to work on design plumbing and fire protection systems including domestic cold-water systems, domestic hot water systems, specialty water systems, sanitary drainage and vent systems, storm drainage systems, natural gas distribution systems, medical gas and/or laboratory gas systems, grease waste systems, acid waste and vent systems, other special plumbing systems, and fire suppression systems. This role supports a broad range of building types, with opportunities to contribute to technically complex and mission-critical facilities. **The Opportunity** - Design plumbing and fire protection systems for buildings and structures across a variety of market sectors. - Prepare drawings detailing system designs, including plumbing schedules, floor plans, enlarged plans, details, and riser diagrams. - Prepare sketches and narratives for SD packages; develop Revit drawings for DD deliverables and construction documents. - Perform system design calculations, code analysis, and maintain accurate design records. - Select and specify equipment for use in building systems. - Prepare written reports describing proposed systems and design alternatives. - Develop project-specific specifications tailored to client and project needs. - Coordinate work with engineers and designers across multiple disciplines. - Attend meetings and communicate with clients to establish requirements and resolve design issues. - Incorporate sustainable and resilient design strategies based on client and project needs. - Support construction administration activities, including site visits, review of submittals and RFIs, troubleshooting construction issues, and preparation of site observation reports. - Mentor junior plumbing engineers and designers. - Coordinate with city officials and Fire Marshal offices as required for project delivery. **Is This Role Right for You?** - Bachelor's degree in mechanical, architectural, civil, or environmental engineering. - Minimum 8 years of experience in the design and specification of plumbing and fire protection systems. - Familiarity with relevant codes and standards, including UPC, IPC, IBC, ASPE standards, LEED Water Efficiency, TDSHS, FGI, and NFPA. - Experience designing a variety of building types, which may include offices, hotels, hospitals, laboratories, high-rise buildings, and other technically complex facilities. - Proficiency in Revit for developing design drawings and 3D models of plumbing and piping systems preferred. - Ability to deliver high-quality work within established schedules and budgets. - Strong communication skills and ability to work effectively in a collaborative, team-based environment. - Excellent planning, organization, and time-management skills in a fast-paced setting. - Highly motivated, proactive, and willing to take on new challenges. - Working knowledge of Bluebeam, Excel, Word, and Navisworks. **Other / Preferred Qualifications** - Experience supporting mission-critical or data center facilities, including familiarity with reliability, redundancy, resilience, and operational continuity considerations, is preferred. - Professional Engineering (PE) license preferred, or ASPE CPD (Certified in Plumbing Design) in the U.S. - Strong foundation in plumbing engineering fundamentals. - Certifications in Medical Gas Design. - LEED AP or WELL accreditation. Please note that all applicants must apply directly via the job portal. If this role is not quite what you are looking for, but you are interested in other opportunities for a future with purpose, please sign up to our Talent Community is where you will be kept up to date with roles suitable for you to shape a better world. **What we offer you** At Arup, we care about each member's success, so we can grow together. Guided by our values, we provide an attractive total reward package that recognizes the contribution of each of our members to our shared success. As well as competitive, fair and equitable pay, we offer a career in which all of our members can belong, grow and thrive - through benefits that support health and wellbeing, a wide range of learning opportunities and many possibilities to have an impact through the work they do We are owned in trust on behalf of our members, giving us the freedom, with personal responsibility, to set our own direction and choose work that aligns with our purpose and adds to Arup's legacy. Our members collaborate on ambitious projects to deliver remarkable outcomes for our clients and communities. Profit Share is a key part of our reward, enabling members to share in the results of our collective efforts. **Benefits at Work -** At Arup, we have a comprehensive and valuable benefits program that works for our employees and their families while keeping costs low. These benefits provide health and welfare security for you as well as paid time off for rest and renewal. As a member of Arup, everyone shares in our success through a global profit share scheme (payments are dependent on the firm's financial performance). Our Global Profit Share Plan (paid bi-annually) provides an opportunity for you to share in the success of the Firm. As a valued employee of Arup, you can also choose to participate in our 401(k) plan with up to 10% company match to help you save for your future. **Flexible Working** - We believe that flexible arrangements create a more inclusive way of working that supports our diversity and the wellbeing of our people. Options for alternative schedules and the ability to work outside of the office for a portion of your workweek are available. **NY/NJ Hiring Range -** The good faith base salary hiring range for this job if performed in NY/NJ is $122,500 - $148,450 per year. This range is commensurate with experience, educational background, and skill level. Benefits are not included in the base salary. Please note hiring ranges for candidates performing work outside of NY/NJ will differ. **Different People, Shared Values** Arup is an equal opportunity employer that actively promotes and nurtures a diverse and inclusive workforce. We welcome applications from individuals of all backgrounds, regardless of age (within legal limits), gender identity or expression, marital status, disability, neurotype or mental health, race or ethnicity, faith or belief, sexual orientation, socioeconomic background, and whether you're pregnant or on family leave. We are an open environment that embraces diverse experiences, perspectives, and ideas - this drives our excellence. Guided by our values and alignment with the UN Sustainable Development Goals, we create and contribute to equitable spaces and systems, while cultivating a sense of belonging for all. Our internal employee networks support our inclusive culture: from race, ethnicity and cross-cultural working to gender equity and LGBTQ+ and disability inclusion - we aim to create a space for you to express yourself and make a positive difference. Discover more about life at Arup at *************************************** **Our Application Process** We will be reviewing our candidates for this position on a rolling basis. Once you have applied you will be evaluated and potentially moved on to the next round, at which point a member of the talent resourcing team will reach out to you directly. Arup is an equal opportunity employer. All qualified applicants will receive consideration without regard to race, colour, religion, sex, sexual orientation, gender identity, national origin, protected veteran status, spouse of a protected veteran, or disability. Stay safe online. Recruitment fraud is on the rise, and Arup's name, logo, and branding have been used in fraudulent job advertisements. Arup will never ask for bank information as part of our recruitment process. **\#LI-AR2** **DC 2025** EOE-Protected Veterans/Disability

A consulting firm is seeking a Senior Consultant for its engineering department in Washington, DC. You will be responsible for planning and developing infrastructure projects, ensuring compliance with environmental regulations. The ideal candidate will have a degree in computer science and extensive experience in software engineering, focusing on solutions and documentation. Compensation is competitive, ranging from $75,000 to $100,000 per year. #J-18808-Ljbffr

A leading technology solutions provider in Washington, DC is seeking a Senior Systems Security Engineer. This role involves hands-on engineering and securing multiple operating systems, managing vulnerabilities, and ensuring compliance with security frameworks. Ideal candidates will have 5-10 years of experience in system engineering and strong communication skills. The position offers competitive pay and extensive benefits including paid medical and dental insurance. #J-18808-Ljbffr

MANTECH is seeking a motivated, career and customer-oriented Lead Systems Engineer to join our team in Chantilly, VA. This is a position will be managing and advancing a wide-area IT environment and requires specialized depth and/or breadth of expertise. Responsibilities include but are not limited to: Uses best practices and knowledge of internal or external business issues to improve products or services. Troubleshooting: Diagnose and resolve complex issues across hardware, firmware, OS, and application layers, often requiring deep-dive root cause analysis. Automation: Develop scripts (PowerShell, Bash) for automating routine tasks and enhancing operational efficiency. Leadership & Mentoring: Lead technical projects, mentor junior engineers, and act as a subject matter expert (SME). Providing server/operating system centric expertise for testing, deploying, integrating, and improving upon new and existing IT capabilities. Understanding and providing recommendations related to understanding operating system dependencies, physical and virtual server environments, integration with infrastructure resources (e.g. storage and networking), and how to configure operating systems and applications in an efficient manner. Maintaining platforms of common hypervisors and enterprise applications, including collaboration tools, Systems Information and Event Monitoring (SIEM) products, directory services, and automation technologies. Identifying and mitigating security vulnerabilities, testing and documenting security-relevant changes, and communicating with vendors to assess new technologies. Minimum Qualifications: Bachelor's degree in Computer Science, Systems Engineering, or equivalent field and at least 7 years of experience in information technology, leveraging software applications and tools to meet customer requirements. (2 years of additional experience may be substituted in lieu of degree) Current DoD 8570 IAT II certification (Security +, SSCP, or equivalent) or ability to obtain one within 180 days. Experience writing clear, concise, and user-friendly technical and training manuals or similar documentation to include documents required for A&A and system administrator SOP's. Ability to perform Tier 3 operational maintenance on audit systems to include: system engineering, system administration, database management, backup administration, change configuration and management, policy creation, and certification and accreditation procedures. Preferred Qualifications: Leadership & Mentoring: Lead technical projects, mentor junior engineers, and act as a subject matter expert (SME). Fundamentally skilled and knowledgeable in all aspects of VMWare. VMWare certifications are desirable. VMware tiered certification path (VCTA, VCP, VCAP, VCDX) focusing on areas like Data Center Virtualization (DCV), Network Virtualization (NV), Cloud Management & Automation (CMA), Desktop & Mobility, and Application Modernization, with popular choices including VCP-DCV for core vSphere skills, VCP-NV for NSX, and specialists in vSAN or Cloud Foundation, validating expertise from foundational to expert design levels. Familiar and knowledgeable in HPE infrastructure such as HPE Synergy hardware, HPE ProLiant Servers, HPE Storage solutions, HPE SimpliVity technologies. Experience implementing, working with or troubleshooting VMware NSX-T virtualized networking and security platform developed by VMware. It enables automated implementation of network policies, network objects, isolation, and micro-segmentation Clearance Requirements: Must have an active DoD TS/SCI with the ability to obtain a polygraph. Physical Requirements: The person in this position must be able to remain in a stationary position 50% of the time. Occasionally move about inside the office to access file cabinets, office machinery, or to communicate with co-workers, management, and customers, via email, phone, and or virtual communication, which may involve delivering presentations