• Senior Cyber Test Engineer (Onsite)

    Nightwing (Sterling, VA)
    Nightwing provides technically advanced full-spectrum cyber, data operations, systems integration and intelligence mission support services to meet our customers' ... comprises engineers of multiple disciplines including vulnerability research, reverse engineering , CNO/CNE development, hardware emulation, system engineering ,… more
    Nightwing (10/18/25)
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  • Software Virtualization Engineer

    Arena Technical Resources, LLC (Springfield, VA)
    Software Virtualization Engineer Location: Springfield, VA, US Job ID: ATR 17757 Job Description Job Title: Software Virtualization Engineer Location: ... TS/SCI clearance Job Description: We are looking for a Software Virtualization Engineer to support the virtualization of a variety of mission applications supporting… more
    Arena Technical Resources, LLC (01/12/26)
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  • Network Engineer - Must Have Active Top…

    The Metamorphosis Group (Reston, VA)
    Network Engineer - MUST HAVE ACTIVE Top Secret/SCI Full Scope Poly Clearance Reston, Virginia . Information Technology Apply Now WORK REQUIREMENTS: Yes Network ... Engineer duties and responsibilities. Network Engineer supports...employees use the network and solve common problems. Cloud Engineering Team Support - : Yes * The Contractor… more
    The Metamorphosis Group (10/18/25)
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  • Cyber Engineer

    ManTech (Mclean, VA)
    **MANTECH** seeks a skilled and innovative **Cyber Engineer ** to support our cybersecurity operations in **McLean, VA.** In this role, you will leverage your ... defense platforms. Your work will directly contribute to safeguarding mission-critical systems by developing actionable content and solutions for advanced threat… more
    ManTech (12/31/25)
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  • Cybersecurity Architect / Engineer

    Leidos (Mclean, VA)
    …To promote these efforts, Leidos is looking for a **Cybersecurity Architect / Engineer ** - Connected Intelligent Transportation Systems (C-ITS) to join our team! ... Be recognized as a subject matter expert in **Cybersecurity and Security Engineering .** * Innovative Work: Influence the development of cutting-edge on-prem and… more
    Leidos (12/19/25)
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  • Full Stack Software Engineer SME

    Leidos (Chantilly, VA)
    …Area, is seeking a highly experienced, versatile, and visionary Full Stack Software Engineer Subject Matter Expert (SME) for the Maru Program. In this role, you ... analysis. The ideal candidate will possess a strong blend of software engineering expertise, deep understanding of cloud environments, extensive experience in the… more
    Leidos (11/01/25)
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  • Senior Malware Engineer

    Leidos (Alexandria, VA)
    **Description** Leidos has a current job opportunity for a **Senior Malware Engineer ** on the DISA GSM-O program in Alexandria, VA.An active Top Secret security ... clearance and demonstrated advanced technical ability in reverse engineering custom protocols used by malware. This position provides support to the J6 Pentagon… more
    Leidos (10/31/25)
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  • Cybersecurity Engineer

    TekSynap (Richmond, VA)
    …tasks focused on specialized Information Assurance (IA) and cybersecurity engineering . + Integrate electronic processes and methodologies to identify, analyze, ... to improve workflow, organization, and planning. + Provide security engineering support throughout the system lifecycle-including planning, design, development,… more
    TekSynap (10/23/25)
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  • Senior Associate, Systems Integration…

    L3Harris (Ashburn, VA)
    …or communications into air vehicles. + Entry level experience with Model Based Systems Engineering . + Experience with MATLAB, LabView, Python, or C/C++/C#. + ... the interest of national security. Job Title: Senior Associate, Systems Integration Engineering Job Code: 31864 Job...Location: Ashburn, VA Job Description: As the Sr Associate, Systems Integration Engineer , you will be responsible… more
    L3Harris (12/06/25)
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  • Specialist, Systems Engineering

    L3Harris (Ashburn, VA)
    …sea and cyber domains in the interest of national security. Job Title: Specialist, Systems Engineering Job Code: 30531 Job Location: Ashburn, VA Job Description: ... As the Specialist, Systems Integration Engineer , you will be responsible...product systems and software development and model-based systems engineering (MBSE) processes to enhance development… more
    L3Harris (10/29/25)
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