• Senior Information System Security Engineer…

    Amentum (Warrenton, VA)
    …program is to support, operate, and maintain the Distributed Continuity Integrated Network - Top Secret Enterprise Services (DCIN- TS ES) which is a ... intimate knowledge of security design best practices for information systems . throughout the system development life cycle...at multiple classifications levels. **Requirements:** + Must have active Top - Secret clearance with SCI or TS… more
    Amentum (07/29/25)
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  • System Administrator 4

    M. C. Dean (Mclean, VA)
    …outcomes, improving lives, and changing the world for the better. We are seeking a ** System Administrator 4** to join our **Security and Electronic Systems ... clearance REQUIRED** **Position / Candidate Requirements** + Bachelor's degree in System Engineering, Computer Science, Information Systems , Engineering Science,… more
    M. C. Dean (07/15/25)
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  • Systems Administrator

    Leidos (Springfield, VA)
    …(MDS) division at Leidos is seeking a detail-oriented and experienced Systems Administrator to manage the installation, configuration, administration, and ... of IT systems and associated hardware. + Strong understanding of system infrastructure management and IT best practices. + Hands-on experience with: System… more
    Leidos (05/29/25)
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  • Systems Administrator

    Leidos (Chantilly, VA)
    **Description** Leidos program has a dynamic opening for a System Administrator with multi-discipline experience to work at our customer site. This is an ... and change management processes. + Collaborate with the Tier 3 development and security teams to share and obtain...in a mixed environment of MacOS and Windows operating systems . + Create and administer Apple operating system… more
    Leidos (07/12/25)
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  • Senior Systems Administrator

    Leidos (Vienna, VA)
    **Description** The National Security Sector at Leidos is seeking a **Senior System Administrator ** to join a dynamic team based in **Tysons Corner, VA** . This ... exciting opportunity allows you to apply your expertise in system administration and software programming while supporting a small...team responsible for managing a wide range of mission-critical systems . **Key Details** : + Work hours fall within… more
    Leidos (07/29/25)
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  • Systems Administrator 2 (Bluemont,…

    William C Brown Inc (Springfield, VA)
    Systems Administrator 2 (Bluemont, VA) EOE Statement We are an equal employment opportunity employer. All qualified applicants will receive consideration for ... by law. Description WCBinc is looking for a Sr. Systems Administrator to provide support for implementation,...+ Windows patching and management experience using Microsoft WSUS 3 .0 + Familiar with shell scripting using Powershell and… more
    William C Brown Inc (07/24/25)
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  • Systems Administrator

    ICF (Reston, VA)
    …integration, analytics, and O&M for our customers. We are currently seeking to hire a System Administrator to support our projects. As a key member of our team, ... especially focusing on vulnerabilities relevant to Java and .NET systems . + Analyzing and optimizing system performance,...Java and .NET development and deployment. **BASIC QUALIFICATIONS** + 3 + years of System Administration for Java… more
    ICF (07/29/25)
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  • Network Administrator - Site Survey…

    CACI International (Norfolk, VA)
    Network Administrator - Site Survey and Install Support Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS /SCI with ... Continental US * * * **The Opportunity:** The Enterprise Communications Services 3 (ECS3) program supports our intel customer across its many operating locations.… more
    CACI International (08/01/25)
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  • Unified Communications Administrator

    CACI International (Norfolk, VA)
    Unified Communications Administrator Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS /SCI with Polygraph ... Travel: Continental US * * * **The Opportunity:** The Enterprise Communications Services 3 (ECS3) program supports our intel customer across its CONUS & OCONUS… more
    CACI International (07/22/25)
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  • Systems Engineer

    ABBTECH Professional Resources, Inc. (Reston, VA)
    ** Systems Engineer** **Location- Reston, Va** **Clearance- TS /SCI w/ FSP** **Salary- $225k-$250k/yr** _The above salary range represents the range expected for ... (AWS Certified Architect Associate, AWS Certified Developer Associate, or AWS Certified SysOps Administrator Associate) * 3 + years of C2S experience * Cloud… more
    ABBTECH Professional Resources, Inc. (07/10/25)
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