• COLSA Corporation (Fort Belvoir, VA)
    Principal Duties and Responsibilities (*Essential Functions): + Applies knowledge of Cyber policy, procedures, and workforce structure to develop, implement, and ... maintain a cyber -secure environment + Supports, monitors, tests, and troubleshoots hardware...within the Enterprise Mission Assurance Support Service + Advises senior leadership of cybersecurity challenges, issues, and opportunities for… more
    DirectEmployers Association (10/10/25)
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  • Principal / Sr . Principal

    Northrop Grumman (Fairfax, VA)
    …instruction, demos, and training to individuals and groups. **Basic Qualifications for a Senior Principal Cyber Systems Engineer:** + A security clearance ... best work of your career. We are looking for you to join our team as a Principal Cyber Systems Engineer or Sr . Principal Cyber Systems Engineer level… more
    Northrop Grumman (08/22/25)
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  • Sr Principal Cyber Software…

    Northrop Grumman (Chantilly, VA)
    …best work of your career. **Northrop Grumman Mission Systems** is seeking an experienced ** Senior Principal Cyber Software Engineer** to join our team ... supporting a program in the Signals Intelligence Mission Solutions (SMS) Department. This position will be located at a Mission Systems Sector site in Chantilly, VA. As the Team Lead for the Mobile Development team, you will be responsible for overseeing the… more
    Northrop Grumman (10/07/25)
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  • Cyber Program Maturity Analyst Sr

    General Dynamics Information Technology (Fairfax, VA)
    …Obtain:** None **Public Trust/Other Required:** None **Job Family:** Cyber and IT Risk Management **Skills:** Communication,Information Security,Stakeholder ... Citizenship Required:** Yes **Job Description:** GDIT is seeking a ** Cyber Program Maturity Analyst** in support of the US...Agency (EPA), located at Research Triangle Park, NC. This senior role will support the EPA's Office of Information… more
    General Dynamics Information Technology (10/13/25)
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  • Sr Principal Cybersecurity…

    Northrop Grumman (Chantilly, VA)
    …including but not limited to Standard Operating Procedures and VISIO diagrams. ** Senior Principal Cyber Systems Engineer Basic Qualifications:** + ... our diverse team of engineers, system administrators, and operators as a Sr . Principal Cyber Systems Engineer professional in Chantilly, VA. The successful… more
    Northrop Grumman (10/02/25)
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  • Platform Engineer Sr Principal

    General Dynamics Information Technology (Fort Belvoir, VA)
    …**Job Description:** Deliver simple solutions to complex problems as a Platform Engineer Sr Principal at GDIT. Here, you'll tailor cutting-edge solutions to the ... your career growth ours. At GDIT, people are our differentiator. As a Platform Engineer Sr Principal you will help ensure today is safe and tomorrow is smarter.… more
    General Dynamics Information Technology (10/15/25)
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  • Full Spectrum Cyber Sr . Engineer

    General Dynamics Information Technology (Falls Church, VA)
    …career while impacting our national security in cyber as a Cybersecurity Engineer Sr Principal at GDIT. Here, technologists have many paths to grow a ... the federal government. At GDIT, people are our differentiators. As a Cybersecurity Engineer Sr Principal you will support the business strategy that helps us… more
    General Dynamics Information Technology (09/30/25)
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  • Senior Principal , Capture…

    L3Harris (Ashburn, VA)
    …sea and cyber domains in the interest of national security. Job Title: Senior Principal , Capture Management Job Code: 26581 Job Location: Palm Bay, FL, ... others) from Gate 1 through order booking . Work effectively with senior business development and program (P&L) leadership as well as program, technical,… more
    L3Harris (10/16/25)
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  • Principal Network Systems Engineer

    Saliense Consulting (Arlington, VA)
    …to get a preview of the full benefits package. Saliense is now hiring a Senior Technical Consultant ( Principal Network Systems Engineer) to join our team in ... and must be eligible to obtain a Top Secret clearance. The Principal Network Systems Engineer will be responsible for leading day-to-day operations management… more
    Saliense Consulting (10/01/25)
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  • Logistics Analyst Senior Principal

    General Dynamics Information Technology (Fairfax, VA)
    …acquisition issues in life cycle sustainment documents + Communicates with Senior Leaders and develops and presents briefings and provides recommendations + ... Logistician; Acquisition Program Product Support Manager or Product Support Integrator; or senior Life Cycle Logistician within a Life Cycle Management Command +… more
    General Dynamics Information Technology (09/26/25)
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  • Principal Civil Roadway & Highway Engineer

    Parsons Corporation (Centreville, VA)
    …and redefine what's possible. **Job Description:** **Join Parsons Corporation as a Principal -Level Roadway & Highway Design Engineer** Are you an experienced Civil ... and seasoned professional to join our team as a Principal -Level Roadway & Highway Design Engineer. This is an...Highway Design Engineer. This is an exciting opportunity for senior engineers who are eager to step into project… more
    Parsons Corporation (09/12/25)
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  • Principal Network Engineer

    Leidos (Mclean, VA)
    **Description** **Leidos** has a new and exciting opportunity for a ** Principal Network Engineer** in our **National Security Sector's (NSS) Cyber & Analytics ... with domain and expert technical knowledge. + Experience in interfacing with senior management and negotiating with clients on requirements and deliverables. +… more
    Leidos (10/10/25)
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  • System Engineer Principal Uscybercom SETA…

    Sciolex Corporation (Chantilly, VA)
    …briefings for senior decision makers. + Support efforts regarding Space Cyber Vulnerabilities assessments and development of Defensive Cyber Policy for the ... to weekly meetings at NSA Overhead Program Division (OPD), coordinating offensive cyber opportunities for USCYBERCOM and the NRO. Make a difference in securing… more
    Sciolex Corporation (10/14/25)
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  • Innovative DOD Acquisition Reform Lead,…

    The MITRE Corporation (Mclean, VA)
    …problems for a safer world. We're experienced professionals who advise senior leaders and decision-makers across the national security enterprise. Our evidence-based ... The team may publish, speak at high visibility events, and advise senior government officials. Responsibilities include: + Effectively engage and motivate sponsors,… more
    The MITRE Corporation (10/11/25)
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  • Systems Acquisition, Principal

    The MITRE Corporation (Mclean, VA)
    …The team may publish, speak at high visibility events, and advise senior government officials. + Effectively engage and motivate sponsors, stakeholders, and the ... related to defense acquisition. + Build and manage relationships between senior sponsors, MITRE, and other stakeholders (Federally Funded Research & Development… more
    The MITRE Corporation (10/15/25)
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  • Senior Cyber Engineer

    Nightwing (Sterling, VA)
    …customers in the intelligence community, defense, civil, and commercial markets. ** Senior Cyber Engineer** Nightwing provides technically advanced full-spectrum ... meaningful work that is vital to our national security, apply today! ** Principal Cyber Engineer** Cyber Offense and Defense Experts (CODEX) is seeking… more
    Nightwing (09/12/25)
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  • Principal Manufacturing & Autonomy Research…

    Leidos (Arlington, VA)
    …Center's newly established Information and Data Science Division is seeking a Senior Resilient Systems Scientist to help lead strategic solution developments and ... verbal and written communication skills, with experience engaging with senior leadership and technical teams as well as ability...sensors, or Internet of Things, fusing data collected from cyber and physical systems to develop novel approaches to… more
    Leidos (09/24/25)
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  • Systems Administrator Principal

    General Dynamics Information Technology (Fort Belvoir, VA)
    …how agencies operate. At GDIT, people are our differentiator. As a Systems Administrator Senior you will help ensure today is safe and tomorrow is smarter. **GDIT** ... countries worldwide, offering leading capabilities in digital modernization, AI/ML, Cloud, Cyber and application development. Together with our clients, we strive to… more
    General Dynamics Information Technology (09/30/25)
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  • Data Scientist Principal

    SAIC (Ashburn, VA)
    …+ We are currently seeking a motivated, career and customer-oriented **Data Scientist ( Senior )** to join our team to begin an exciting and challenging career in ... data + Experience working with various forms of biometric algorithms, facial recognition preferred + Familiarity with NIST standards + Master's Degree or higher… more
    SAIC (10/11/25)
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  • Sr . Full Stack Developer CMPRS

    SAIC (Ashburn, VA)
    **Description** **SAIC** is currently seeking a motivated, career and customer-oriented Principal Software Engineer to join our team in Ashburn, VA to begin an ... solutions in systems engineering and integration; enterprise IT, including cloud services; cyber ; software; advanced analytics and simulation; and training. We are a… more
    SAIC (09/20/25)
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