• Senior Systems Administrator

    Leidos (Vienna, VA)
    …procedures (startup/shutdown, backup, upgrade) **Required Clearance:** Active and in-scope TS / SCI with polygraph required for consideration. US citizenshipis ... Security Sector at Leidos is seeking a **Senior System Administrator ** to join a dynamic team based in **Tysons...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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  • Sr VMWare Systems Administrator

    Leidos (Alexandria, VA)
    …with IT Service Management solutions such as Service Now or Remedy **Clearance** + An active TS / SCI with polygraph is required for this position or TS / SCI ... where you can thrive, keep reading!** **The Mission** Leidos is seeking a System Administrator to support a large enterprise IT contract for the DOD. This role… more
    Leidos (07/29/25)
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  • Windows System Administrator

    General Dynamics Information Technology (Fort Belvoir, VA)
    …**Clearance Level Must Be Able to Obtain:** Top Secret / SCI **Public Trust/Other Required:** None **Job Family:** Systems Administration **Skills:** ... Yes **Job Description:** Transform technology into opportunity as a Systems Administrator Senior with GDIT. A career...II (eg, CompTIA Security+ CE) + Required: Fully adjudicated Secret security clearance w/ TS / SCI eligibility… more
    General Dynamics Information Technology (07/30/25)
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  • System Administrator , Senior

    BOOZ, ALLEN & HAMILTON, INC. (Fort Belvoir, VA)
    …investigation and may need to meet eligibility requirements for access to classified information ; TS / SCI clearance is required. Compensation At Booz ... Defense ( DoD ) ? We're looking for a systems administrator who spe cia lizes in...provisioning sof tware + Ability to document procedures + TS / SCI clearance + HS diploma… more
    BOOZ, ALLEN & HAMILTON, INC. (07/22/25)
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  • Senior System Administrator

    ManTech (Chantilly, VA)
    …to join our team in **Chantilly, VA** . A qualified Senior Systems Administrator will support a secure Windows-based Information System and will assist and ... support the installation, operation, and maintenance of all current and future Information Systems . Duties and responsibilities involve the support and… more
    ManTech (06/03/25)
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  • System Administrator -Senior Level

    Nightwing (Sterling, VA)
    …have a broad range of experience supporting mission critical networks and computer systems . CLEARANCE REQUIREMENT: TS / SCI with POLY Responsibilities + Assist ... defense, civil, and commercial markets. Nightwing is seeking a highly motivated Systems Administrator to join a mature program in the Sterling VA location. The… more
    Nightwing (06/27/25)
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  • System Administrator / AWS Cloud Admin

    ABBTECH Professional Resources, Inc. (Herndon, VA)
    Administrator / Cloud Administrator ** **Location- Herndon, Va** **Clearance- TS / SCI w/ FSP** **Salary- $217k-235k/yr** _The above salary range represents ... required; and current market conditions._ **_This program requires US Citizenship_** DevOps Systems Administrator with expertise in managing AWS EC2 instances to… more
    ABBTECH Professional Resources, Inc. (05/23/25)
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  • Physical Security System Administrator 4

    M. C. Dean (Chantilly, VA)
    …and may meet eligibility requirements, including US Citizenship, for access to classified information ; **ACTIVE TS / SCI w/ POLYGRAPH clearance is REQUIRED** ... Security System Administrator 4** to join our **Security and Electronic Systems (SES)** business Unit. As part of **(SES)** Strategic Business Unit you will… more
    M. C. Dean (07/15/25)
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  • Information Systems Watch Technician…

    Amentum (Arlington, VA)
    **Your Impact:** Amentum is currently seeking an ** Information Systems Watch Technician** to join our dynamic team in the **Arlington, VA** area. In this ... decision support teams. This position requires an active DoD TS / SCI security clearance that has been adjudicated...6 months. + Experience as a Network and /or Systems Administrator + Operational work experience in… more
    Amentum (08/08/25)
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  • Electronic Surveillance System Analyst…

    NANA Regional Corporation (Fredericksburg, VA)
    …policies and procedures. + Maintain standard operating procedures. **Qualifications** + Active Top Secret security clearance with SCI eligibility. + ... through self-service, or by another area, such as the security administration, systems administrator , etc., based on SAVA's organizational structure and… more
    NANA Regional Corporation (07/09/25)
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