• Innovative DOD Acquisition Reform Lead,…

    The MITRE Corporation (Mclean, VA)
    …and successfully field the optimal set of effective, suitable, and survivable systems . We must re-envision national security to keep pace with advanced adversaries, ... experts, operations research / system analysts, cybersecurity professionals, and communication systems engineers- all with a united passion to solve problems for… more
    The MITRE Corporation (11/02/25)
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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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  • 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 ... 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… more
    Leidos (09/24/25)
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  • Software Developer - Principal

    Parsons Corporation (Chantilly, VA)
    …This will lead teams in the design, development, and maintenance of complex systems . We meet customer and mission needs by leveraging cutting-edge research and ... process, from understanding customer requirements, to design, development, testing and deployment. Senior members at BRE also directly assist with winning new work,… more
    Parsons Corporation (10/21/25)
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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 ... premier technology integrator, solving our nation's most complex modernization and systems engineering challenges across the defense, space, federal civilian, and… more
    SAIC (10/11/25)
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  • Senior Technical Program Manager

    RTX Corporation (Arlington, VA)
    …RTX Corporation is an Aerospace and Defense company that provides advanced systems and services for commercial, military and government customers worldwide. It ... comprises three industry-leading businesses - Collins Aerospace Systems , Pratt & Whitney, and Raytheon. Its 185,000 employees enable the company to operate at the… more
    RTX Corporation (10/31/25)
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  • Space Systems Integration Engineer

    SAIC (Chantilly, VA)
    **Description** SAIC is seeking an experienced **Space Systems Integration Engineer ( Senior Principal )** to support SAIC's Prime Program, Tranche 3 Program ... This role is in Chantilly, VA and requires a Top Secret clearance. As the Space Systems Integration Engineer ( Senior Principal ), you will be supporting the … more
    SAIC (10/02/25)
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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 ... III. Job Description: Summary: The ISSM III's primary function serves as a principal advisor on all matters, technical and otherwise, involving the security of… more
    Global Resource Solutions (10/27/25)
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  • Cybersecurity Specialist-Advanced/IAT III

    COLSA Corporation (Fort Belvoir, VA)
    …temporary position with employment expected to last approximately 10 months. Principal Duties and Responsibilities (*Essential Functions): + Applies knowledge of ... Cyber policy, procedures, and workforce structure to develop, implement,...within the Enterprise Mission Assurance Support Service + Advises senior leadership of cybersecurity challenges, issues, and opportunities for… more
    COLSA Corporation (10/25/25)
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  • Action Officer

    SAIC (Arlington, VA)
    …TS/SCI clearance** to join our team. In this critical role, you will support the Principal Director of Integrated Sensing and Cyber within the Office of the ... environments. + Proven ability to efficiently and effectively work with Senior Executives in high-stakes environments. + Excellent written and oral communication… more
    SAIC (10/29/25)
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