• Lead Senior Systems Administrator

    ManTech (Chantilly, VA)
    **MANTECH** seeks a motivated, mission-oriented ** Senior Systems Administrator ** to join our team in **Chantilly, VA.** As the Lead Senior Systems ... a key role in the management, optimization, and troubleshooting of our VMware virtualized environment and Active Directory infrastructure, ensuring seamless and… more
    ManTech (12/19/25)
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  • Senior Systems Administrator

    EPS Corporation (Dahlgren, VA)
    Senior Systems Administrator (Unix/Linux) - (758) Share this job as a link in your status update to LinkedIn. Job Title Senior Systems Administrator ... Job Description EPS Corporation is seeking a highly skilledSenior Systems Administrator (Unix/Linux)to support enterprise-level networks and systems within a secure… more
    EPS Corporation (11/13/25)
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  • System Administrator

    Assertive Professionals (Chantilly, VA)
    System Administrator About the Organization Established in 2015,AssertiveProfessionals(AP), is anEconomically Disadvantaged Woman Owned Small Business ... Position Timelines: OPENpositions are available right now. These are best for active job seekers. PROPOSEDpositions are pending the results of a source selection… more
    Assertive Professionals (10/09/25)
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  • Physical Security System Administrator 4

    M. C. Dean (Chantilly, VA)
    …and cybersecurity industries. We are seeking a **Physical Security System Administrator 4** to join our **Security and Electronic Systems (SES)** business ... federal, local and commercial customers across high-growth markets. As a System Administrator for our Physical Security Systems, you will be responsible for… more
    M. C. Dean (10/23/25)
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  • Lead Windows Systems Administrator

    General Dynamics Information Technology (Chantilly, VA)
    …experience **US Citizenship Required:** Yes **Job Description:** Lead Windows Systems Administrator (SME) We are seeking an accomplished Lead Windows Systems ... Administrator to oversee the design, operations, and maintenance of...mission-critical Windows infrastructure that supports analysts and scientists. This senior leadership role will shape the stability, security, and… more
    General Dynamics Information Technology (12/29/25)
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  • Senior Cloud Engineer

    Solvarus (Chantilly, VA)
    …who need them and to quickly aid the people who need it. As a Senior Cloud Engineer you will be responsible to define the implementation approaches and plans to ... + Ensures optimum efficiencies for the utilization of cloud services. Qualifications: + Active TS/SCI Security Clearance with CI Poly + STEM degree or higher in… more
    Solvarus (12/14/25)
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  • Principal Systems Engineer

    V2X (Springfield, VA)
    …responsibility, and professionalism. We are hiring a Principal Systems Engineer - active TS/SCI clearance to support our government customer based in our ... is required to be onsite. The position requires an active Top Secret/SCI clearance and the ability to obtain...to obtain and maintain a Counterintelligence (CI) Polygraph. The Senior -level Principal Systems Engineer shall lead a diverse, multi-… more
    V2X (11/25/25)
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  • Linux Engineer

    Arena Technical Resources, LLC (Chantilly, VA)
    …current CI Polygraph required The Systems Engineering team is seeking a driven Senior Linux/UNIX Systems Administrator that is highly technical and mission ... is ready to operate as aTIER 3 level Linux/UNIX Administrator , experienced in managing large amounts of data and...etc.) - Experience writing detailed, technical documentation -8570 Compliance - Active TS/SCI + CI Poly - Ability to respond… more
    Arena Technical Resources, LLC (11/29/25)
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  • Network Engineer 4

    M. C. Dean (Springfield, VA)
    …Database Administrator Associate + Microsoft 365 Certified: Fundamentals + VMware Certified Technical Associate + CompTIA Security+ CompTIA Network+ CompTIA A+ ... requirements, including US Citizenship, for access to classified information. ** ACTIVE TS/SCI is REQUIRED** **Education:** + Bachelor's degree in engineering,… more
    M. C. Dean (10/10/25)
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  • Sr Citrix/Windows Engineer

    General Dynamics Information Technology (Chantilly, VA)
    …+ years of related experience **US Citizenship Required:** Yes **Job Description:** Senior Citrix/Windows Engineer We are seeking a skilled Senior Citrix/Windows ... for desktops, servers, and enterprise workloads. Configuring and managing domains, Active Directory, Group Policies, and access controls. Scripting and automating… more
    General Dynamics Information Technology (12/29/25)
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