• 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 ... team responsible for managing a wide range of mission-critical systems . **Key Details** : + Work hours fall within...rotation + Contribute technical insights to guide the system's cloud hosting strategy + Develop monitoring dashboards to alert… more
    Leidos (07/29/25)
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  • Senior Systems Administrator - Linux…

    ICF (Reston, VA)
    …DC MD VA area We are seeking a highly skilled and customer-facing Senior Systems Administrator to support Linux and Windows environments for a critical Treasury ... **Key Responsibilities:** + Maintain and administer Linux and Windows operating systems , ensuring system performance and security compliance. + Apply patches,… more
    ICF (09/27/25)
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  • AWS System Administrator

    CACI International (Springfield, VA)
    …* * * **The Opportunity:** The TCS team is looking for an AWS System Administrator to work on Enterprise Cross-Domain Systems and associated projects. These ... AWS System Administrator Job Category: Engineering Time Type: Full time...will ensure the availability, performance, and security of our cloud -based systems and applications. **Responsibilities:** + Manage… more
    CACI International (08/26/25)
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  • Senior Database Administrator

    ManTech (Reston, VA)
    …systems deployed worldwide **Clearance Requirements:** + Must possess an active/current Top Secret security clearance. **Physical Requirements:** + Must be ... **ManTech** seeks a motivated, career and customer-oriented **Senior Database Administrator ** to join our team in **Reston, VA** . This is an **onsite** position.… more
    ManTech (09/01/25)
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  • Systems Administrator

    Leidos (Reston, VA)
    …energetic, cleared professional seeking a rewarding and challenging opportunity as a Systems Administrator dedicated to full time support of a Leidos ... to change and will thrive in a fast-paced, dynamic program environment. The administrator will be expected to perform advanced systems support to include… more
    Leidos (09/26/25)
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  • Systems Administrator SME

    Amentum (Chantilly, VA)
    Amentum is seeking a ** Systems Administrator SME** to support our **FEDSIM United States Army National Guard (G2 IS3)** contract. **Responsibilities:** + Manages ... ARNG G-2 mission priorities. **Required:** + CompTIA Security+ or Certified Information Systems Security Professional (CISSP) + Active TS /SCI Clearance with the… more
    Amentum (09/23/25)
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  • Infrastructure Engineer/ Administrator

    CACI International (Mclean, VA)
    …systems : Splunk, ElasticSearch, or OpenSearch. + 2+ years' experience with cloud and systems administration. + Demonstrated experience with scripting ... Infrastructure Engineer/ Administrator Job Category: Information Technology Time Type: Full...Time Type: Full time Minimum Clearance Required to Start: TS /SCI with Polygraph Employee Type: Regular Percentage of Travel… more
    CACI International (09/26/25)
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  • Log Aggregation Administrator , SME

    CGI Technologies and Solutions, Inc. (Arlington, VA)
    …are beneficial. * Knowledge: Familiarity with the following is essential: o Operating systems , including Linux and Windows. o Cloud computing concepts and ... **Log Aggregation Administrator , SME** **Category:** Business Consulting, Strategy and Digital...processing, and analysis of log data from various IT systems . This role is critical for monitoring system performance,… more
    CGI Technologies and Solutions, Inc. (09/30/25)
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  • Systems Administrator

    Leidos (Chantilly, VA)
    **Description** Leidos is seeking a Mid-level Forward Deployed Network Administrator to join our Network Engineering Team within the Engineering Operations group at ... VA location. This role supports critical network infrastructure through advanced systems administration and troubleshooting tasks. The ideal candidate will be… more
    Leidos (08/16/25)
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  • Sccm/Mecm System Administrator

    Leidos (Alexandria, VA)
    …operations across multiple enclaves, classifications, and time zones. The System Administrator provides systems and software Operations and Maintenance (O&M) ... **Description** Leidos is seeking an SCCM/MECM System Administrator to support a large enterprise IT contract...actions, document change requirements, and implement changes to production systems . + Oversee knowledge management for the team to… more
    Leidos (09/12/25)
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