• 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 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 (06/03/25)
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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 (08/08/25)
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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 (08/09/25)
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  • Linux System Administrator

    Leidos (Alexandria, VA)
    **Description** Leidos is seeking a System Administrator to support a large enterprise IT contract for the DOD. This role requires an individual that has technical ... analyzes existing infrastructure for tuning/performance enhancements. The individual will provide systems and software operations and maintenance support in a large,… more
    Leidos (06/06/25)
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  • Senior Cloud Engineer

    System One (Herndon, VA)
    …CompTIA Security+ + Microsoft Certified Azure Administrator Senior IT System Engineer ( Cloud Engineer) Clearance: Top Secret Location: DC Metro Senior IT ... Type: Contract Compensation: 90-115K Contractor Work Model: Remote Security Clearance: Active Top Secret Clearance is required Required Certifications: +… more
    System One (08/08/25)
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  • System Administrator

    Nightwing (Sterling, VA)
    …the intelligence community, defense, civil, and commercial markets. Job Title: System Administrator Location: Sterling, VA Clearance: TS /SCI Poly **This position ... Nightwing provides technically advanced full-spectrum cyber, data operations, systems integration and intelligence mission support services to meet our customers'… more
    Nightwing (06/27/25)
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  • Network Administrator

    Nightwing (Sterling, VA)
    …intelligence community, defense, civil, and commercial markets. Job Title: Network Administrator Location: Sterling, VA Clearance: TS /SCI Poly **This position ... Nightwing provides technically advanced full-spectrum cyber, data operations, systems integration and intelligence mission support services to meet our customers'… more
    Nightwing (06/27/25)
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  • Network Administrator

    SAIC (Mclean, VA)
    …VA to support the operations, maintenance of a complex, hybrid on-premises and cloud enterprise IT environment. As a Network Administrator supporting Network ... markets. Our robust portfolio of offerings includes high-end solutions in systems engineering and integration; enterprise IT, including cloud services;… more
    SAIC (08/09/25)
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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 ... installation, operation, and maintenance of all current and future Information Systems . Duties and responsibilities involve the support and administration of Windows… more
    ManTech (06/03/25)
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