• 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...environment + Supports, monitors, tests, and troubleshoots hardware and software IA problems pertaining to the enclave environment +… more
    DirectEmployers Association (10/10/25)
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  • Sr Principal Cyber

    Northrop Grumman (Chantilly, VA)
    …the best work of your career. **Northrop Grumman Mission Systems** is seeking an experienced ** Senior Principal Cyber Software Engineer** to join our ... global security environments, Northrop Grumman brings informed insights and software -secure technology to enable strategic planning. We're looking for innovators… more
    Northrop Grumman (10/07/25)
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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 ... global security environments, Northrop Grumman brings informed insights and software -secure technology to enable strategic planning. We're looking for...looking for you to join our team as a Principal Cyber Systems Engineer or Sr more
    Northrop Grumman (08/22/25)
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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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  • 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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  • 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:** + ... to join our diverse team of engineers, system administrators, and operators as a Sr . Principal Cyber Systems Engineer professional in Chantilly, VA. The… more
    Northrop Grumman (10/02/25)
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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 ... challenging, meaningful work that is vital to our national security, apply today! ** Principal Cyber Engineer** Cyber Offense and Defense Experts (CODEX)… more
    Nightwing (09/12/25)
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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… more
    SAIC (09/20/25)
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  • Logistics Analyst Senior Principal

    General Dynamics Information Technology (Fairfax, VA)
    …IMPACT:** + Conducts Integrated Product Support Planning for hardware and/or software systems, to include development and/or approval of Product Support Strategies, ... acquisition issues in life cycle sustainment documents + Communicates with Senior Leaders and develops and presents briefings and provides recommendations +… more
    General Dynamics Information Technology (09/26/25)
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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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  • 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 ... forefront in Security Engineering, Computer Network Operations (CNO), Mission Software , Analytical Methods and Modeling, Signals Intelligence (SIGINT), and… more
    Leidos (10/10/25)
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  • Innovative DOD Acquisition Reform Lead,…

    The MITRE Corporation (Mclean, VA)
    …agile software development methodologies, DevOps, and/or cloud-based capabilities + Cyber security or cyber operations + Conventional/nuclear command and ... problems for a safer world. We're experienced professionals who advise senior leaders and decision-makers across the national security enterprise. Our evidence-based… more
    The MITRE Corporation (10/11/25)
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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 ... projects. This role will drive capture of strategic customer-funded software R&D. The ideal candidate will have a proven track record in developing technology-based… more
    Leidos (09/24/25)
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  • Systems Acquisition, Principal

    The MITRE Corporation (Mclean, VA)
    …agile software development methodologies, DevOps, and/or cloud-based capabilities + Cyber security or cyber operations + Conventional/nuclear command and ... The team may publish, speak at high visibility events, and advise senior government officials. + Effectively engage and motivate sponsors, stakeholders, and the… more
    The MITRE Corporation (10/15/25)
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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** ... Windows systems. + Provide for the configuration and deployment of new software related to the infrastructure environment, such as backup/recovery systems and… more
    General Dynamics Information Technology (09/30/25)
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  • Data Scientist Principal

    SAIC (Ashburn, VA)
    …solutions in systems engineering and integration; enterprise IT, including cloud services; cyber ; software ; advanced analytics and simulation; and training. We ... + 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… more
    SAIC (10/11/25)
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  • Software Developer (Systems Software

    General Dynamics Information Technology (Herndon, VA)
    …who share your dedication to advancing innovation. Transform technology into opportunity as a Software Developer Sr Principal at GDIT. Shape what's next for ... SCI + Polygraph **Public Trust/Other Required:** None **Job Family:** Software Engineering **Skills:** GitHub,Java,Linux,Shell Scripting **Experience:** 8 + years of… more
    General Dynamics Information Technology (10/16/25)
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  • Lead Azure DevSecOps Engineer-DC Metro area

    General Dynamics Information Technology (Falls Church, VA)
    …**Experience:** 10 + years of related experience **Job Description:** Technology Consulting Sr Advisor **Your Impact** Own your opportunity to work alongside federal ... motivated individual to join GDIT as a **Technology Consulting Senior Advisor** **(DevSecOps Engineer Lead)** **.** As part of... Advisor Duties and Responsibilities** * Function as a principal advisor to the Program Manager * Leads the… more
    General Dynamics Information Technology (09/03/25)
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  • Information System Security Manager III

    Global Resource Solutions (Arlington, VA)
    …productive working relationships with other DoD agencies managers, data stewards, and senior leadership to foster productive and positive cyber security profile ... Summary: The ISSM III's primary function serves as a principal advisor on all matters, technical and otherwise, involving...Participate in the strategic planning and implementation of the Cyber Security Program + Provide expert input to the… more
    Global Resource Solutions (10/17/25)
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  • Data Engineer (TS/SCI with Polygraph Required)

    General Dynamics Information Technology (Chantilly, VA)
    …+ years of related experience **US Citizenship Required:** Yes **Job Description:** DATA ENGINEER SR PRINCIPAL The Data Engineer will work closely with the team ... training, or work/military experience + 10+ years of related software engineering experience. **REQUIRED** **QUALIFICATIONS** + Experience with the following… more
    General Dynamics Information Technology (09/27/25)
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