Precise Systems jobs in Washington, DC

MANTECH seeks a motivated, career and customer-oriented Senior CNO Developer to join our team in Annapolis Junction, Maryland. We're looking for a Senior Capability Developer to join our elite team. In this role, you'll apply your deep technical expertise to analyze, reverse-engineer, and develop mission-critical capabilities that directly support national security objectives. You will be a key player in a fast-paced environment, tackling unique challenges at the intersection of hardware, software, and embedded systems. Responsibilities include but are not limited to: Develop custom software tools and applications using Python, C, and Assembly, focusing on embedded and resource-constrained systems. Conduct rigorous code reviews to ensure the quality, security, and performance of developed software. Reverse engineer complex hardware and software systems to understand their inner workings and identify potential vulnerabilities. Perform in-depth vulnerability research to discover and analyze weaknesses in a variety of targets. Collaborate with a team of skilled engineers to design and implement innovative solutions to challenging technical problems. Minimum Qualifications: Bachelor's degree and 12 years of experience; or, a high school diploma with 16 years of experience; or, an Associate's degree with 14 years of experience. A Master's degree may substitute for 2 years of experience, and a PhD may substitute for 4 years of experience. Must have 7 years of position-relevant work experience Proficiency in programming and application development. Strong scripting skills, particularly in Python, C, and Assembly. Deep expertise in managing, configuring, and troubleshooting Linux. Experience in embedded systems. Experience in reverse engineering and vulnerability research of hardware and software. Experience in code review. Preferred Qualifications: Experience in CNO (Computer Network Operations) Development. Experience in virtualization. Knowledge of IoT (Internet of Things) devices. Experience with Linux Kernel development and sockets. Knowledge of integrating security tools into the CI/CD (Continuous Integration/Continuous Delivery) pipeline. Networking skills. Clearance Requirements: Must have a current/active Top Secret/SCI clearance. 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

MANTECH seeks a motivated, career and customer-oriented Systems Engineer III to join our team in Annapolis Junction, Maryland. ManTech is currently seeking Systems Engineer III to join our team at Annapolis Junction, MD. We are seeking a Senior Systems Engineer who is a seasoned IT professional responsible for designing, implementing, and a top-level trouble shooter supporting a high-level architecture of an organization's backend infrastructure. You will communicate with other project personnel, Government stakeholders, and senior executives. Responsibilities include but are not limited to: Administer and maintain IT infrastructure by utilizing expert-level knowledge of the Linux operating system, along with deep expertise in server administration, virtualization, and cloud platforms like AWS or Azure, to manage the organization's backend systems. Develop and implement automation solutions through creating scalable automation services using strong scripting and orchestration skills, with proficiency in tools like Python, Bash, and Ansible. Design and manage system architecture by applying systems engineering principles to design, implement, and manage the high-level architecture of the organization's backend infrastructure. Ensure network and system security through a strong understanding of networking and security fundamentals, including TCP/IP, firewalls, and VPNs, to protect the organization's infrastructure. Communicate with stakeholders - Interact directly with government personnel, senior executives, and other project members to discuss technical issues and project status. Provide technical guidance and troubleshooting as a top-level troubleshooter, addressing technical considerations, problems, and issues for both internal teams and government stakeholders. Minimum Qualifications: Bachelor's degree in STEM field or Highschool and 13 years of experience; Associates and 11 years of experience in lieu of degree, a candidate holding a relevant master's degree may be granted 2 years' experience credit for that extra education, a candidate holding a relevant PhD degree may be granted 4 years' experience credit for that extra education. 5 years of position-relevant work experience. DoD 8570.01-m IAT Level II. Strong proficiency in scripting and automation, with hands-on experience in Python, Bash, and an infrastructure orchestration tool like Ansible. Experience in front-end web development to create internal tools and solutions. Proven background as an Orchestration Engineer or in a similar role focused on building scalable automation services. Solid grasp of TCP/IP networking, firewalls, VLANs, and VPNs. Expert-level knowledge of the Linux operating system. Preferred Qualifications: Experience with full-stack development, including creating and interacting with databases and APIs. Knowledge of Infrastructure as Code (IaC) principles, preferably with experience using Terraform. Familiarity with public cloud platforms (AWS, Azure, GCP) and container technologies (Docker, Kubernetes). Proficiency with virtualization platforms such as VMware vSphere or Microsoft Hyper-V. Exceptional troubleshooting and problem-solving skills, with a talent for systematically diagnosing and resolving complex technical issues. A foundational understanding of traditional Systems Administration principles Clearance Requirements: Must have a current/active TS/SCI Physical Requirements: The person in this position must have the ability to perform tasks while stationary 50% of the time at a computer, with specific emphasis on visual acuity for close-range work. 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

General information Requisition # R64488 Posting Date 12/01/2025 Security Clearance Required TS/SCI w/ Poly Remote Type Onsite Time Type Full time Description & Requirements Unlock the secrets of intelligence with MANTECH! Join a dynamic team at the forefront of national security, providing advanced solutions to government intelligence agencies. Since 1968, we've been solving the toughest challenges with groundbreaking tech. Explore thrilling projects in Digital Transformation, Cybersecurity, IT, Data Analytics and Software Development. Elevate your career and make a difference. Your adventure begins now-unleash your potential with MANTECH! MANTECH seeks a highly experienced and strategic Deputy Program Manager to join our CNO team in Hanover, Maryland. The Deputy Program Manager will play a pivotal role in helping to lead a large Mission Focused team in support of MANTECH'S Advance Cyber Services division. Responsibilities include but are not limited to: * Allocating resources across staffing, facilities, and budgets in alignment with contract requirements * Reviewing and approving earned value metrics, Estimates to Complete, Funds and Man-hour Expenditure Reports, and other financial reporting as necessary * Driving cross-discipline integration to ensure customer objectives are met effectively * Reviewing and proposing updates to the Integrated Program Baseline or resource-loaded schedules * Managing risk assessment and mitigation efforts, including budget allocations for risk management * Supporting recruitment and training of direct and indirect program personnel * Approving all technical and financial deliverables prior to customer submission * Ensuring compliance with contractual, regulatory, and administrative requirements * Leading the development and coordination of Engineering Change Proposals (ECPs) and value engineering submissions for the customer Program Manager Minimum Qualifications: * Bachelor's degree and 10+ years of experience as a program or project manager on efforts of similar size, scope, and complexity * Experience in Computer Network Operations, CNO development, Software Development or Software Engineering * 1+ year of experience managing funds and resources with complex reporting tools such as Earned Value Management * Experience conducting requirements analysis, resource allocation, project costing, deliverable tracking, scheduling, and financial monitoring and reporting * Experience working with FAR, DFARS, DoD 5000 series, and ICD 801 acquisition and policy guidelines * Experience managing multi-task contracts and subcontracts with varying complexity, and leading a multi-vendor delivery environment * Current certification in PMP, FAC-P/PM Mid-Level, or DAWIA Level 2 in Program Management Preferred Qualifications: * Experience within customer agency * Degree or experience in Computer Science Clearance Requirements: * Must possess an active TS/SCI with Polygraph Physical Requirements: * Must be able to remain in a stationary position at least 50% of the time The projected compensation range for this position is $165,800.00-$297,400.00. There are differentiating factors that can impact a final salary/hourly rate, including, but not limited to, Contract Wage Determination, relevant work experience, skills and competencies that align to the specified role, geographic location (For Remote Opportunities), education and certifications as well as Federal Government Contract Labor categories. In addition, MANTECH invests in its employees beyond just compensation. MANTECH's benefits offerings include, dependent upon position, Health Insurance, Life Insurance, Paid Time Off, Holiday Pay, short-term and long-term Disability, Retirement and Savings, Learning and Development opportunities, wellness programs as well as other optional benefit elections. MANTECH International Corporation considers all qualified applicants for employment without regard to disability or veteran status or any other status protected under any federal, state, or local law or regulation. If you need a reasonable accommodation to apply for a position with MANTECH, please email us at ******************* and provide your name and contact information.

**MANTECH** seeks a skilled and innovative **Expert CNO Developer** to join our team in **Aurora, CO.** In this role, you will contribute to the development of mission-critical cyber capabilities, drive excellence in CNO development and lead efforts in advanced Computer Network Operations (CNO). You'll be part of a dynamic team working on next-generation solutions that safeguard national security systems. **Responsibilities include but are not limited to:** + Designing and developing new hardware- or software-based Computer Network Operations (CNO) capabilities + Managing the design, development, documentation, testing, and debugging of software applications and systems + Applying expert knowledge of network and security concepts to support capability development + Communicating status updates and technical progress to leadership and stakeholders + Ensuring software quality and compliance with development standards **Minimum Qualifications:** + High school diploma and 16+ years of technical work experience, or BS degree and 12+ years of technical work experience, or MS Degree and 10+ years of technical work experience, or PhD and 8+ years of relevant experience + Experience in Python and C/C++ programming languages + Experience with troubleshooting and debugging + Experience with low-level system internals across one or more platforms (e.g., Windows, Unix, Mobile, or network devices) + Experience with networking protocols (TCP/IP) and socket-level programming + Experience with developing CNO capabilities + Experience in managing and leading development teams **Preferred Qualifications:** + Experience in software analysis or reverse engineering + Understanding of assembly language programming concepts + Familiarity with unit testing frameworks and practices + Experience using Atlassian tools (JIRA, Confluence, Crucible) **Clearance Requirements:** + Must have a current/active TS/SCI w/Polygraph security clearance and be willing and able to obtain another polygraph prior to start, if required. **Physical Requirements:** + Must be able to remain in a stationary position at least 50% of the time. MANTECH International Corporation considers all qualified applicants for employment without regard to disability or veteran status or any other status protected under any federal, state, or local law or regulation. If you need a reasonable accommodation to apply for a position with MANTECH, please email us at ******************* and provide your name and contact information.

**MANTECH** seeks a skilled and innovative **Associate CNO Developer** to join our team in **Hanover, MD.** In this role, you will contribute to the development of mission-critical cyber capabilities, drive excellence in CNO development and lead efforts in advanced Computer Network Operations (CNO). You'll be part of a dynamic team working on next-generation solutions that safeguard national security systems. **Responsibilities include but are not limited to:** + Designing and developing new hardware- or software-based Computer Network Operations (CNO) capabilities + Managing the design, development, documentation, testing, and debugging of software applications and systems + Applying expert knowledge of network and security concepts to support capability development + Communicating status updates and technical progress to leadership and stakeholders + Ensuring software quality and compliance with development standards **Minimum Qualifications:** + BS degree and 0+ years of technical work experience + Experience in Python and C/C++ programming languages + Experience with troubleshooting and debugging + Experience with low-level system internals across one or more platforms (e.g., Windows, Unix, Mobile, or network devices) + Experience with networking protocols (TCP/IP) and socket-level programming + Experience with developing CNO capabilities + Experience in managing and leading development teams **Preferred Qualifications:** + Experience in software analysis or reverse engineering + Understanding of assembly language programming concepts + Familiarity with unit testing frameworks and practices + Experience using Atlassian tools (JIRA, Confluence, Crucible) **Clearance Requirements:** + Must have a current/active TS/SCI w/Polygraph security clearance and be willing and able to obtain another polygraph prior to start, if required. **Physical Requirements:** + Must be able to remain in a stationary position at least 50% of the time. MANTECH International Corporation considers all qualified applicants for employment without regard to disability or veteran status or any other status protected under any federal, state, or local law or regulation. If you need a reasonable accommodation to apply for a position with MANTECH, please email us at ******************* and provide your name and contact information.

General information Requisition # R64067 Posting Date 10/31/2025 Security Clearance Required TS/SCI w/ Poly Remote Type Onsite Time Type Full time Description & Requirements Unlock the secrets of intelligence with MANTECH! Join a dynamic team at the forefront of national security, providing advanced solutions to government intelligence agencies. Since 1968, we've been solving the toughest challenges with groundbreaking tech. Explore thrilling projects in Digital Transformation, Cybersecurity, IT, Data Analytics and Software Development. Elevate your career and make a difference. Your adventure begins now-unleash your potential with MANTECH! ManTech seeks an experienced and passionate, career and customer-oriented Penetration Tester to join our team located in the Ft. Meade, MD area. In this role, you be responsible for identifying network vulnerabilities in target systems and recommending defensive measures to defend against possible attack by an adversary. Responsibilities include, but are not limited to: * Identify and demonstrate vulnerabilities that may be used by an adversary to exploit components of or the entire target systems. * Lead the information assurance evaluation of target systems, including developing threat models, conducting security analysis and testing, demonstrating vulnerabilities and documenting the results. Minimum Qualifications: * Bachelor of Science degree in Computer Science, Electrical Engineering, Computer Engineering, Physics or similar technical field and 10 years of penetration testing experience. * One year of Splunk experience creating knowledge objects and robust queries/searches, along with creating reports and generating charts from the resulting queries/searches. * Experience using tools such as nmap, nessus, dsniff, libnet, netcat, and network sniffers and fuzzers. * Experience developing methods to defend against identified vulnerabilities and exploits. Preferred Qualifications: * Ability to use MS Office Ability to use PC * Leadership Skills Listening Skills * Multi-Tasking Ability Negotiation Skills Oral and Written Communication Skills Organizational Skills * Presentation Skills (using PowerPoint) * Project Management Ability and Skills * Experience creating knowledge objects and robust queries/searches, along with creating reports and generating charts from the resulting queries/searches using Splunk. * Ability to plan, develop and execute information assurance evaluation tests and document test results in a formal document. Security Clearance Requirements: * Must have a current/active TS/SCI w/ Poly 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. The projected compensation range for this position is $138,700.00-$231,400.00. There are differentiating factors that can impact a final salary/hourly rate, including, but not limited to, Contract Wage Determination, relevant work experience, skills and competencies that align to the specified role, geographic location (For Remote Opportunities), education and certifications as well as Federal Government Contract Labor categories. In addition, MANTECH invests in its employees beyond just compensation. MANTECH's benefits offerings include, dependent upon position, Health Insurance, Life Insurance, Paid Time Off, Holiday Pay, short-term and long-term Disability, Retirement and Savings, Learning and Development opportunities, wellness programs as well as other optional benefit elections. MANTECH International Corporation considers all qualified applicants for employment without regard to disability or veteran status or any other status protected under any federal, state, or local law or regulation. If you need a reasonable accommodation to apply for a position with MANTECH, please email us at ******************* and provide your name and contact information.

**MANTECH** seeks a motivated, career and customer-oriented **Windows** **Systems Administrator** to join our team in **College Park, Maryland** . The position is part of a team that provides Windows Systems Administration support for an organization that is tasked with researching challenging problems within the Intelligence Community. **Responsibilities include, but are not limited to:** + Will work with a small team to provide a full range of systems administration capability to a dynamic team of researchers at the Laboratory for Physical Sciences + Provides support to IT systems including day-to-day operations, monitoring and problem resolution for all client/server/storage/network devices and peripherals + Provides Tier 1 through Tier 3 problem identification, diagnosis and resolution of problems. + Provides support for the escalation and communication of status to the supported organization's management and internal customers + Manages and maintains Windows VMs and operating systems, including installation, configuration, integrity checks, network configuration, and performance enhancements. **Minimum Qualifications:** + 8+ years of System Administration experience + Proficiency in Windows Server administration, including Active Directory, Group Policy, DNS, DHCP, Hyper-V, and File and Storage Services + Experience with RDS-based VDI, including user provisioning and basic performance troubleshooting + Experience with Microsoft Exchange Server administration, including mailbox management, database maintenance, and troubleshooting + Experience with backup and recovery platforms (Data Protection Manager or equivalent enterprise solutions) + Strong documentation and communication skills, including maintaining runbooks and checklists **Preferred Qualifications:** + Bachelor's degree computer science or a related area **Security Clearance Requirements:** + TS/SCI w/ FSP **Physical Requirements:** + Must be able to remain in a stationary position for extended periods of time + Needs to install various IT devices in racks and on desktops + 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 MANTECH International Corporation considers all qualified applicants for employment without regard to disability or veteran status or any other status protected under any federal, state, or local law or regulation. If you need a reasonable accommodation to apply for a position with MANTECH, please email us at ******************* and provide your name and contact information.

General information Requisition # R64272 Posting Date 11/20/2025 Security Clearance Required None Remote Type Onsite Time Type Full time Description & Requirements Transform the future of federal services with MANTECH! Join a vibrant, energetic team committed to enhancing national security and public services through innovative tech. Since 1968, we've partnered with Federal Civilian sectors to deliver impactful solutions. Engage in exciting projects in Digital Transformation, Cybersecurity, IT, Data Analytics and more. Ignite your career and drive change. Your journey starts now-innovate and excel with MANTECH! MANTECH seeks a motivated, career and customer-oriented Lead Data Scientist and Biostatistician to join our team in Silver Spring, MD. Responsibilities include but are not limited to: * Support a team of 10-14 staff in conducting need-driven data analyses and epidemiologic research to give insights to military decision-makers in a form of presentations, early-indicator analytics dashboards/reports, annual reports and research manuscripts. * Apply public health and epidemiological experience to advise DoD, Defense Health Agency (DHA), Military Health Systems (MHS) and stakeholders about options and decisions related to military recruitment and retention, improving medical readiness and deployability, and related policy decisions. * Conduct public health research, interpret results, deliver technical and scientific writing, and present findings to stakeholders and the public. * Manage the data lifecycle to ensure data integrity and security. Minimum Qualifications: * Master's degree or better in data science, biostatistics, epidemiology, public health, math, or related field. * A minimum of ten years of progressive experience as an epidemiologist or biostatistician in public health research and policy-advisory work, growing from an individual contributor to senior member or leader with at least two years in a senior role on an epidemiology research, analytics, or policy team. A "senior" role must include oversight of junior and mid-level staff, providing quality review, and guiding others in selection of statistical methods/approaches. * Strong statistical analysis skills, including advanced SAS programming. * Strong proficiency and experience with Python and SQL. * Proficiency in data visualization using tools such as Power BI, Tableau, or Python visualization libraries. * Excellent communications skills, with a track record of developing complex knowledge products from research, through influencing policy, to analysis of the impact. * Deep knowledge of epidemiological methods, including tradeoffs between statistical techniques and the ability to explain them to non-technical stakeholders. Preferred Qualifications: * Experience working with DoD, DHA, MHS, or VA healthcare policies, data systems, or operations, former military experience. * Experience leading modernization of epidemiological workflows, including the use of cloud-based data platforms (e.g., AWS GovCloud, MHS Information Platform [MIP]), automated ETL pipelines, and modern data engineering tools (e.g., Python, Databricks, Apache Airflow, Fivetran, or Snowflake) to enhance data ingestion, quality assurance, and reporting. * Implementation of predictive dashboards or early-indicator tools that provide rapid policy insight (as opposed to long-term retrospective studies). * Practical use of machine learning or simulation modeling, especially to project policy or population outcomes. Clearance Requirements: * Must be a U.S. Citizen with the ability to obtain and maintain a secret clearance. Physical Requirements: * Office work, typically sedentary with some movement around the office. * Ability to travel (car or air) and present at conferences or meetings. The projected compensation range for this position is $126,300.00-$210,300.00. There are differentiating factors that can impact a final salary/hourly rate, including, but not limited to, Contract Wage Determination, relevant work experience, skills and competencies that align to the specified role, geographic location (For Remote Opportunities), education and certifications as well as Federal Government Contract Labor categories. In addition, MANTECH invests in its employees beyond just compensation. MANTECH's benefits offerings include, dependent upon position, Health Insurance, Life Insurance, Paid Time Off, Holiday Pay, short-term and long-term Disability, Retirement and Savings, Learning and Development opportunities, wellness programs as well as other optional benefit elections. MANTECH International Corporation considers all qualified applicants for employment without regard to disability or veteran status or any other status protected under any federal, state, or local law or regulation. If you need a reasonable accommodation to apply for a position with MANTECH, please email us at ******************* and provide your name and contact information.

**MANTECH** seeks a highly experienced and strategic **Deputy Program Manager** to join our CNO team in **Hanover, Maryland** . The Deputy Program Manager will play a pivotal role in helping to lead a large Mission Focused team in support of MANTECH'S Advance Cyber Services division. **Responsibilities include but are not limited to:** + Allocating resources across staffing, facilities, and budgets in alignment with contract requirements + Reviewing and approving earned value metrics, Estimates to Complete, Funds and Man-hour Expenditure Reports, and other financial reporting as necessary + Driving cross-discipline integration to ensure customer objectives are met effectively + Reviewing and proposing updates to the Integrated Program Baseline or resource-loaded schedules + Managing risk assessment and mitigation efforts, including budget allocations for risk management + Supporting recruitment and training of direct and indirect program personnel + Approving all technical and financial deliverables prior to customer submission + Ensuring compliance with contractual, regulatory, and administrative requirements + Leading the development and coordination of Engineering Change Proposals (ECPs) and value engineering submissions for the customer Program Manager **Minimum Qualifications:** + Bachelor's degree and 10+ years of experience as a program or project manager on efforts of similar size, scope, and complexity + Experience in Computer Network Operations, CNO development, Software Development or Software Engineering + 1+ year of experience managing funds and resources with complex reporting tools such as Earned Value Management + Experience conducting requirements analysis, resource allocation, project costing, deliverable tracking, scheduling, and financial monitoring and reporting + Experience working with FAR, DFARS, DoD 5000 series, and ICD 801 acquisition and policy guidelines + Experience managing multi-task contracts and subcontracts with varying complexity, and leading a multi-vendor delivery environment + Current certification in PMP, FAC-P/PM Mid-Level, or DAWIA Level 2 in Program Management **Preferred Qualifications:** + Experience within customer agency + Degree or experience in Computer Science **Clearance Requirements:** + Must possess an active TS/SCI with Polygraph **Physical Requirements:** + Must be able to remain in a stationary position at least 50% of the time MANTECH International Corporation considers all qualified applicants for employment without regard to disability or veteran status or any other status protected under any federal, state, or local law or regulation. If you need a reasonable accommodation to apply for a position with MANTECH, please email us at ******************* and provide your name and contact information.

MANTECH seeks a motivated, career and customer-oriented **Oracle** **Database Administrator** to join our team in the **Ft. Meade, MD** area. In this role, you will provide technical expertise for database design, development, implementation, information storage and retrieval, data flow and analysis. **Responsibilities include, but are not limited to:** + Provide database administration with a variety of database products that include Oracle and SQL Server, operating in a Linux environment + Perform disaster recovery, performance analysis and tuning, index maintenance, and monitoring of data + Develop policies and procedures for ensuring the security and integrity of the database(s) + Perform database and software life-cycle activities to ensure highest level of system performance and availability + Evaluate requirements and recommend available DBMS products + Support data modeling activities by way of prototype database implementations **Minimum Qualifications:** + Bachelor's Degree in a technical discipline from an accredited college or university; an additional 4 years of related experience might be substituted for a degree + 5+ years of experience as a production database administrator, including experience with Oracle databases **Security Clearance Requirements:** + Current/Active TS/SCI with Polygraph. **Physical Requirements:** + Must be able to remain in a stationary position 50%. + Constantly operates a computer and other office productivity machinery, such as a calculator, copy machine and computer printer. + The person in this position frequently communicates with co-workers, management, and customers, which may involve delivering presentations. MANTECH International Corporation considers all qualified applicants for employment without regard to disability or veteran status or any other status protected under any federal, state, or local law or regulation. If you need a reasonable accommodation to apply for a position with MANTECH, please email us at ******************* and provide your name and contact information.

**MANTECH** seeks a skilled and innovative **Associate CNO Developer** to join our team in **Hanover, MD.** In this role, you will contribute to the development of mission-critical cyber capabilities, drive excellence in CNO development and lead efforts in advanced Computer Network Operations (CNO). You'll be part of a dynamic team working on next-generation solutions that safeguard national security systems. **Responsibilities include but are not limited to:** + Designing and developing new hardware- or software-based Computer Network Operations (CNO) capabilities + Managing the design, development, documentation, testing, and debugging of software applications and systems + Applying knowledge of network and security concepts to support capability development + Communicating status updates and technical progress to leadership and stakeholders + Ensuring software quality and compliance with development standards **Minimum Qualifications:** + BS degree and 0+ years of technical work experience + Experience in Python and C/C++ programming languages + Experience with troubleshooting and debugging + Experience with low-level system internals across one or more platforms (e.g., Windows, Unix, Mobile, or network devices) + Experience with networking protocols (TCP/IP) and socket-level programming + Experience with developing CNO capabilities **Preferred Qualifications:** + Experience in software analysis or reverse engineering + Understanding of assembly language programming concepts + Familiarity with unit testing frameworks and practices + Experience using Atlassian tools (JIRA, Confluence, Crucible) **Clearance Requirements:** + Must have a current/active TS/SCI w/Polygraph security clearance and be willing and able to obtain another polygraph prior to start, if required. **Physical Requirements:** + Must be able to remain in a stationary position at least 50% of the time. MANTECH International Corporation considers all qualified applicants for employment without regard to disability or veteran status or any other status protected under any federal, state, or local law or regulation. If you need a reasonable accommodation to apply for a position with MANTECH, please email us at ******************* and provide your name and contact information.

**ManTech** seeks an experienced and passionate, career and customer-oriented **Linux System Administrator** to join our team located in the Fort Meade, MD area. **Responsibilities include, but are not limited to:** + Design, engineer, and implement automated hardening scripts for internal servers adding scalability while circumventing manual process for new operating system rollout. + Configure host-based intrusion detection systems. + Monitor and troubleshoot/examine detected anomalies. + Developed automation script adding new servers to IPA replacing human error and manual process + Analyze system and security logs while responding to discovered real time events providing SOC status updates. + Engineer ansible script automating creation of user accounts in IPA replacing manual process + Review audits confirming hardening script successfully executed while checking for other vulnerabilities and/or configuration errors. + Host design and review meetings providing security insight, team updates, goals, projections to branch management. **Minimum Qualifications:** + 7 year's experience in systems administration of hardware and software in support of developing and testing of information technology systems + Experience with Linux administration + Experience using Ansible or comparable tools + Experience working with a team to introduce and integrate new technologies into existing production environments + Experience with integrated processing environments such as a Storage Area Network **Preferred Qualifications:** + Experience with DevOps tools such as Docker, Kubernetes, SALT, Puppet desirable + Experience with cross-domain solutions or NiFi desirable for some positions + Experience writing scripting languages (Bash, Shell, Python, Perl) + Proficiency in working with applicable network devices to include routers and switches, gateways and hubs + Experience with computer networking protocols including, but not limited to TCP, IP, UDP, HTTP, DHCP, and DNS + Ability to handle stress and work under pressure + Competence in computer operating systems **Clearance Requirement:** + Must have a current/active TS/SCI with Poly **Physical Requirements:** + Must be able to remain in a stationary position at least 50% of the time. + Needs to occasionally move about inside the office to access file cabinets, office machinery, etc. + Constantly operate a computer and other office productivity machinery, such as, the copy machine/fax machine/computer/printer. MANTECH International Corporation considers all qualified applicants for employment without regard to disability or veteran status or any other status protected under any federal, state, or local law or regulation. If you need a reasonable accommodation to apply for a position with MANTECH, please email us at ******************* and provide your name and contact information.

General information Requisition # R64414 Posting Date 11/25/2025 Security Clearance Required TS/SCI w/ Poly Remote Type Onsite Time Type Full time Description & Requirements Unlock the secrets of intelligence with MANTECH! Join a dynamic team at the forefront of national security, providing advanced solutions to government intelligence agencies. Since 1968, we've been solving the toughest challenges with groundbreaking tech. Explore thrilling projects in Digital Transformation, Cybersecurity, IT, Data Analytics and Software Development. Elevate your career and make a difference. Your adventure begins now-unleash your potential with MANTECH! MANTECH seeks a motivated, career and customer-oriented Associate CNO Software Developer to join our team in Hanover, MD. Responsibilities include, but are not limited to: * Design and develop new hardware or software based CNO capabilities. * Assist with designing, developing, documenting, testing, and debugging of applications software and systems. * Apply knowledge of security concepts and networks. * Ensure software standards are met. Minimum Qualifications: * Bachelor's degree in Computer Science or related field OR 4+ years of relevant experience * Experience in Python and C programming. Security Clearance Requirements: * Must have a current/active TS/SCI w/Polygraph security clearance and be willing and able to obtain another polygraph prior to start. * Physical Requirements: * Ability to remain stationary up to 50% of the time The projected compensation range for this position is $75,300.00-$125,800.00. There are differentiating factors that can impact a final salary/hourly rate, including, but not limited to, Contract Wage Determination, relevant work experience, skills and competencies that align to the specified role, geographic location (For Remote Opportunities), education and certifications as well as Federal Government Contract Labor categories. In addition, MANTECH invests in its employees beyond just compensation. MANTECH's benefits offerings include, dependent upon position, Health Insurance, Life Insurance, Paid Time Off, Holiday Pay, short-term and long-term Disability, Retirement and Savings, Learning and Development opportunities, wellness programs as well as other optional benefit elections. MANTECH International Corporation considers all qualified applicants for employment without regard to disability or veteran status or any other status protected under any federal, state, or local law or regulation. If you need a reasonable accommodation to apply for a position with MANTECH, please email us at ******************* and provide your name and contact information.

General information Requisition # R63420 Posting Date 09/18/2025 Security Clearance Required TS/SCI w/ Poly Remote Type Onsite Time Type Full time Description & Requirements Unlock the secrets of intelligence with MANTECH! Join a dynamic team at the forefront of national security, providing advanced solutions to government intelligence agencies. Since 1968, we've been solving the toughest challenges with groundbreaking tech. Explore thrilling projects in Digital Transformation, Cybersecurity, IT, Data Analytics and Software Development. Elevate your career and make a difference. Your adventure begins now-unleash your potential with MANTECH! ManTech seeks a motivated, career- and customer-oriented Network Administrator with a focus on Cisco Networks to join our team in Laurel, MD. You will be part of a mission-driven team delivering enterprise infrastructure capabilities to support a global workforce engaged in national defense operations. This position is part of the Enterprise Infrastructure Services (EIS) organization-responsible for MPO's Enterprise Information Technology (EIT), the backbone platform supporting all enterprise users. You will work with customers, Integrated Product Teams (IPTs), and vendors to deliver secure and reliable network services across Data Center & Compute environments. Responsibilities include, but are not limited to: * Maintain and upgrade network infrastructure, including routers and switches * Update and configure antivirus software and other tools to secure the network * Apply Security Technical Implementation Guide (STIG) updates to switches and follow Software Test and Evaluation (STE) policies * Design and plan Cisco NEXUS network infrastructure, including setup and ongoing maintenance * Configure Remote Authentication Dial-In User Service (RADIUS) for switch administration * Use network monitoring and management tools such as Solarwinds to oversee network performance * Must be willing to work a flexible schedule between 6:00am-6:00pm and may be assigned to an evening patching schedule Minimum Qualifications: * Bachelor's degree in a technical discipline from an accredited college or university and Twelve (12) years of experience as a Network Administrator supporting programs and contracts of similar scope, type, and complexity. In lieu of a Bachelor's degree, three (3) years of additional Network Administration experience with an Associates degree may be substituted OR eight (8) years of additional experience and a High School Diploma * Demonstrated experience downloading software and upgrading Cisco switches and firewalls * Strong technical background in Cisco FirePower Firewalls * IAT II certification (DoD 8140 required within 60 days of starting employment. Acceptable certifications include CCNA-Security/CySA+/GICSP/GSEC/Security+ CE/CND/ or SSCP) Preferred Qualifications: * Familiarity with configuring, scripting, and managing Unix, RHEL and Windows operating systems * Familiarity with Scanboy * Familiarity with JIRA ticketing system * Familiarity with Enclave environments * Familiarity with Solarwinds * Familiarity using LatteART and XACTA Clearance Requirements: * Must have a current/active TS/SCI with Polygraph Physical Requirements: * The candidate must be able to move, carry, and deliver workstations from the office to the customer's desk * The person in this position must be able to remain in a stationary position 50% of the time * Must communicate with co-workers, management, and customers via email, phone, or virtual meetings, which may involve delivering presentations. Must be able to exchange accurate information in these situations. The projected compensation range for this position is $125,500.00-$210,200.00. There are differentiating factors that can impact a final salary/hourly rate, including, but not limited to, Contract Wage Determination, relevant work experience, skills and competencies that align to the specified role, geographic location (For Remote Opportunities), education and certifications as well as Federal Government Contract Labor categories. In addition, MANTECH invests in its employees beyond just compensation. MANTECH's benefits offerings include, dependent upon position, Health Insurance, Life Insurance, Paid Time Off, Holiday Pay, short-term and long-term Disability, Retirement and Savings, Learning and Development opportunities, wellness programs as well as other optional benefit elections. MANTECH International Corporation considers all qualified applicants for employment without regard to disability or veteran status or any other status protected under any federal, state, or local law or regulation. If you need a reasonable accommodation to apply for a position with MANTECH, please email us at ******************* and provide your name and contact information.

**ManTech** seeks an experienced and passionate, career and customer-oriented **Penetration Tester** to join our team located in the **Ft. Meade, MD** area. In this role, you be responsible for identifying network vulnerabilities in target systems and recommending defensive measures to defend against possible attack by an adversary. **Responsibilities include, but are not limited to:** + Identify and demonstrate vulnerabilities that may be used by an adversary to exploit components of or the entire target systems. + Lead the information assurance evaluation of target systems, including developing threat models, conducting security analysis and testing, demonstrating vulnerabilities and documenting the results. **Minimum Qualifications:** + Bachelor of Science degree in Computer Science, Electrical Engineering, Computer Engineering, Physics or similar technical field and 10 years of penetration testing experience. + One year of Splunk experience creating knowledge objects and robust queries/searches, along with creating reports and generating charts from the resulting queries/searches. + Experience using tools such as nmap, nessus, dsniff, libnet, netcat, and network sniffers and fuzzers. + Experience developing methods to defend against identified vulnerabilities and exploits. **Preferred Qualifications:** + Ability to use MS Office Ability to use PC + Leadership Skills Listening Skills + Multi-Tasking Ability Negotiation Skills Oral and Written Communication Skills Organizational Skills + Presentation Skills (using PowerPoint) + Project Management Ability and Skills + Experience creating knowledge objects and robust queries/searches, along with creating reports and generating charts from the resulting queries/searches using Splunk. + Ability to plan, develop and execute information assurance evaluation tests and document test results in a formal document. **Security Clearance Requirements:** + Must have a current/active TS/SCI w/ Poly **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. MANTECH International Corporation considers all qualified applicants for employment without regard to disability or veteran status or any other status protected under any federal, state, or local law or regulation. If you need a reasonable accommodation to apply for a position with MANTECH, please email us at ******************* and provide your name and contact information.

**MANTECH** seeks a skilled and security-focused **Network Engineer** to support the Cryptographic Solutions Program within the National Security Systems domain in **Linthicum Heights, MD** . This opportunity allows you to directly contribute to national defense by securing critical communication infrastructures used by the Department of Defense and Intelligence Community. In this role, you will help design, implement, and safeguard cryptographic networks that ensure data protection, compliance, and mission assurance across highly sensitive environments. **Responsibilities include, but are not limited to:** + Implement encryption protocols (e.g., SSL/TLS, IPsec) to safeguard data in transit + Configure and secure firewalls, routers, and switches within classified environments + Monitor network performance and identify anomalies using advanced diagnostic tools + Troubleshoot cryptographic implementations and resolve connectivity issues + Maintain and update cryptographic systems to address known vulnerabilities + Conduct technical risk assessments to evaluate network infrastructure threats + Analyze existing cryptographic methods and recommend enhancements or alternatives + Collaborate with cybersecurity professionals to meet compliance and certification requirements + Develop and maintain comprehensive documentation of network architecture, policies, and procedures **Minimum Qualifications:** + Bachelor's degree in Network Engineering, Systems Engineering, Information Technology, or related field and 3 years of relevant experience; OR Master's degree in a related field and 1 year of relevant experience; OR 8 years of relevant experience may be substituted for degree + Proficiency in securing and troubleshooting core network protocols and components + Experience with Nessus, and system administration across Linux/Windows environments + Understanding of network security principles including segmentation and monitoring + CompTIA Security+ certification or equivalent industry credential **Preferred Qualifications:** + Background in cryptographic engineering or cybersecurity analysis + Familiarity with certification and accreditation processes for secure systems + Experience supporting DoD or Intelligence Community infrastructure programs **Clearance Requirements:** + Must possess a current and active TS/SCI with Polygraph **Physical Requirements:** + 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 MANTECH International Corporation considers all qualified applicants for employment without regard to disability or veteran status or any other status protected under any federal, state, or local law or regulation. If you need a reasonable accommodation to apply for a position with MANTECH, please email us at ******************* and provide your name and contact information.

**MANTECH** seeks a motivated, career and customer-oriented **Lead Data Scientist and Biostatistician** to join our team in **Silver Spring, MD** . **Responsibilities include but are not limited to:** + Support a team of 10-14 staff in conducting need-driven data analyses and epidemiologic research to give insights to military decision-makers in a form of presentations, early-indicator analytics dashboards/reports, annual reports and research manuscripts. + Apply public health and epidemiological experience to advise DoD, Defense Health Agency (DHA), Military Health Systems (MHS) and stakeholders about options and decisions related to military recruitment and retention, improving medical readiness and deployability, and related policy decisions. + Conduct public health research, interpret results, deliver technical and scientific writing, and present findings to stakeholders and the public. + Manage the data lifecycle to ensure data integrity and security. **Minimum Qualifications:** + Master's degree or better in data science, biostatistics, epidemiology, public health, math, or related field. + A minimum of ten years of progressive experience as an epidemiologist or biostatistician in public health research and policy-advisory work, growing from an individual contributor to senior member or leader with at least two years in a senior role on an epidemiology research, analytics, or policy team. A "senior" role must include oversight of junior and mid-level staff, providing quality review, and guiding others in selection of statistical methods/approaches. + Strong statistical analysis skills, including advanced SAS programming. + Strong proficiency and experience with Python and SQL. + Proficiency in data visualization using tools such as Power BI, Tableau, or Python visualization libraries. + Excellent communications skills, with a track record of developing complex knowledge products from research, through influencing policy, to analysis of the impact. + Deep knowledge of epidemiological methods, including tradeoffs between statistical techniques and the ability to explain them to non-technical stakeholders. **Preferred Qualifications:** + Experience working with DoD, DHA, MHS, or VA healthcare policies, data systems, or operations, former military experience. + Experience leading modernization of epidemiological workflows, including the use of cloud-based data platforms (e.g., AWS GovCloud, MHS Information Platform [MIP]), automated ETL pipelines, and modern data engineering tools (e.g., Python, Databricks, Apache Airflow, Fivetran, or Snowflake) to enhance data ingestion, quality assurance, and reporting. + Implementation of predictive dashboards or early-indicator tools that provide rapid policy insight (as opposed to long-term retrospective studies). + Practical use of machine learning or simulation modeling, especially to project policy or population outcomes. **Clearance Requirements:** + Must be a U.S. Citizen with the ability to obtain and maintain a secret clearance. **Physical Requirements:** + Office work, typically sedentary with some movement around the office. + Ability to travel (car or air) and present at conferences or meetings. MANTECH International Corporation considers all qualified applicants for employment without regard to disability or veteran status or any other status protected under any federal, state, or local law or regulation. If you need a reasonable accommodation to apply for a position with MANTECH, please email us at ******************* and provide your name and contact information.

General information Requisition # R64309 Posting Date 11/20/2025 Security Clearance Required TS/SCI w/ Poly Remote Type Onsite Time Type Full time Description & Requirements Unlock the secrets of intelligence with MANTECH! Join a dynamic team at the forefront of national security, providing advanced solutions to government intelligence agencies. Since 1968, we've been solving the toughest challenges with groundbreaking tech. Explore thrilling projects in Digital Transformation, Cybersecurity, IT, Data Analytics and Software Development. Elevate your career and make a difference. Your adventure begins now-unleash your potential with MANTECH! MANTECH seeks a motivated, career and customer-oriented Associate CNO Software Developer to join our team in Hanover, MD. Responsibilities include, but are not limited to: * Design and develop new hardware or software based CNO capabilities. * Assist with designing, developing, documenting, testing, and debugging of applications software and systems. * Apply knowledge of security concepts and networks. * Ensure software standards are met. Minimum Qualifications: * Bachelor's degree in Computer Science OR 4+ years of relevant experience * Experience in Python and C programming. Security Clearance Requirements: * Ability to obtain a TS/SCI with polygraph Physical Requirements: * Ability to remain stationary up to 50% of the time The projected compensation range for this position is $75,300.00-$125,800.00. There are differentiating factors that can impact a final salary/hourly rate, including, but not limited to, Contract Wage Determination, relevant work experience, skills and competencies that align to the specified role, geographic location (For Remote Opportunities), education and certifications as well as Federal Government Contract Labor categories. In addition, MANTECH invests in its employees beyond just compensation. MANTECH's benefits offerings include, dependent upon position, Health Insurance, Life Insurance, Paid Time Off, Holiday Pay, short-term and long-term Disability, Retirement and Savings, Learning and Development opportunities, wellness programs as well as other optional benefit elections. MANTECH International Corporation considers all qualified applicants for employment without regard to disability or veteran status or any other status protected under any federal, state, or local law or regulation. If you need a reasonable accommodation to apply for a position with MANTECH, please email us at ******************* and provide your name and contact information.

ManTech seeks a motivated, career- and customer-oriented **Network Administrator** with a focus on Cisco Networks to join our team in **Laurel, MD** . You will be part of a mission-driven team delivering enterprise infrastructure capabilities to support a global workforce engaged in national defense operations. This position is part of the Enterprise Infrastructure Services (EIS) organization-responsible for MPO's Enterprise Information Technology (EIT), the backbone platform supporting all enterprise users. You will work with customers, Integrated Product Teams (IPTs), and vendors to deliver secure and reliable network services across Data Center & Compute environments. **Responsibilities include, but are not limited to:** + Maintain and upgrade network infrastructure, including routers and switches + Update and configure antivirus software and other tools to secure the network + Apply Security Technical Implementation Guide (STIG) updates to switches and follow Software Test and Evaluation (STE) policies + Design and plan Cisco NEXUS network infrastructure, including setup and ongoing maintenance + Configure Remote Authentication Dial-In User Service (RADIUS) for switch administration + Use network monitoring and management tools such as Solarwinds to oversee network performance + Must be willing to work a flexible schedule between 6:00am-6:00pm and may be assigned to an evening patching schedule **Minimum Qualifications:** + Bachelor's degree in a technical discipline from an accredited college or university and Twelve (12) years of experience as a Network Administrator supporting programs and contracts of similar scope, type, and complexity. In lieu of a Bachelor's degree, three (3) years of additional Network Administration experience with an Associates degree may be substituted OR eight (8) years of additional experience and a High School Diploma + Demonstrated experience downloading software and upgrading Cisco switches and firewalls + Strong technical background in Cisco FirePower Firewalls + IAT II certification (DoD 8140 required within 60 days of starting employment. Acceptable certifications include CCNA-Security/CySA+/GICSP/GSEC/Security+ CE/CND/ or SSCP) **Preferred Qualifications:** + Familiarity with configuring, scripting, and managing Unix, RHEL and Windows operating systems + Familiarity with Scanboy + Familiarity with JIRA ticketing system + Familiarity with Enclave environments + Familiarity with Solarwinds + Familiarity using LatteART and XACTA **Clearance Requirements:** + Must have a current/active TS/SCI with Polygraph **Physical Requirements:** + The candidate must be able to move, carry, and deliver workstations from the office to the customer's desk + The person in this position must be able to remain in a stationary position 50% of the time + Must communicate with co-workers, management, and customers via email, phone, or virtual meetings, which may involve delivering presentations. Must be able to exchange accurate information in these situations. MANTECH International Corporation considers all qualified applicants for employment without regard to disability or veteran status or any other status protected under any federal, state, or local law or regulation. If you need a reasonable accommodation to apply for a position with MANTECH, please email us at ******************* and provide your name and contact information.