• Sr. System Administrator (Linux)

    Nightwing (Sterling, VA)
    …+ US Citizenship + Active Secret clearance. Must be able to obtain a TS / SCI clearance + Must be able to obtain DHS Suitability + Minimum 6+ years ... management and providing technical services to enable customer mission accomplishment. The Senior System Administrator (Linux) will serve as a key member of the… more
    Nightwing (10/29/25)
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  • Cloud Administrator ​

    Leidos (Ashburn, VA)
    …as VPCs, subnets, VPNs, DNS, load balancers, and security groups. **Clearance:** + Top Secret clearance with SCI eligibility **Preferred Qualifications:** + ... through monitoring, intrusion detection and protective security services to CBP information systems including local area networks/wide area networks (LAN/WAN),… more
    Leidos (11/15/25)
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  • System Administrator

    Shuvel Digital (Reston, VA)
    …reviews of requirements, system architecture, and detailed design documents. A Systems Administrator must be able to collaborate well with a strong ... Clearance Level: TS / SCI US Citizenship: Required Job Classification:...Describe the Work: GITI is looking for a mid-level Systems Administrator with experience in installing, configuring,… more
    Shuvel Digital (11/12/25)
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  • Security Administrator Senior

    Amentum (Chantilly, VA)
    …at time of application. Note: US Citizenship is required to obtain a Top Secret Clearance. Preferred Qualifications: + Prior experience working in personnel ... of personal integrity and the ability to discreetly handle sensitive , personal and classified case information +...information + Ability to navigate and operate automated systems for case tracking and status reporting + Knowledge… more
    Amentum (11/20/25)
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  • Principal Contract Administrator

    BAE Systems (Sterling, VA)
    …**Preferred Education, Experience, & Skills** + CPCM or related Certification desirable + TS / SCI Clearance **Pay Information ** Full-Time Salary Range: $99410 ... **Job Description** As the **Principal Contract Administrator ** you willperform research on complex contracting matters...knowledge of all contract types + Active and Current secret clearance. Must be able to obtain and maintain… more
    BAE Systems (10/15/25)
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  • Sr. System Administrator

    Arena Technical Resources, LLC (Reston, VA)
    Sr. System Administrator Location: Reston, VA, US Job ID: ATR 17710 Job Description Job Title: Sr. System Administrator Location: Reston, VA - Onsite, ... SCIF Environment Eligibility: TS / SCI with CI Polygraph Job Description: The job duties of the Sr. System Administrator are as follows: * Plans, designs,… more
    Arena Technical Resources, LLC (11/09/25)
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  • Linux System Administrator

    Nightwing (Arlington, VA)
    …and vulnerabilities. **Required Skills:** - US Citizenship - Must have an active DoD Secret clearance, TS / SCI clearance is preferred. - Must be able ... Engagement Network (TEN) Lab Manager with experience in Linux Systems Administrator to support the design, development,...5+ years of directly relevant experience as a Linux System Administrator . - 2+ years MacOS and… more
    Nightwing (08/28/25)
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  • System Administrator

    Nightwing (Sterling, VA)
    …intelligence community, defense, civil, and commercial markets. Job Title: System Administrator Location: Sterling, VA Clearance: TS / SCI Poly **This ... Nightwing provides technically advanced full-spectrum cyber, data operations, systems integration and intelligence mission support services to...position is CONTINGENT upon contract award** The System Administrator (SysA) as part of the… more
    Nightwing (09/26/25)
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  • Linux Systems Administrator

    BCMC (Arlington, VA)
    …and vulnerabilities. Required Skills: - US Citizenship - Must have an active DoD Secret clearance, TS / SCI clearance is preferred. - Requires on-site work ... customer mission. Responsibilities: - Serve as a lead Linux Systems Administrator overseeing Red Hat Enterprise Linux...5+ years of directly relevant experience as a Linux System Administrator . - 3+ years of experience… more
    BCMC (10/16/25)
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  • Senior Systems Administrator

    Leidos (Chantilly, VA)
    …service that provides attribute data via an LDAP interface to hundreds of various Sponsor systems Required Qualifications + Active TS / SCI with Polygraph + BS ... **Description** Leidos is seeking a System Administrator for a technical development...+ Must be an expert in using Linux-based operating systems + Must have strong Bash skills + Must… more
    Leidos (10/10/25)
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