• Infinity Systems Engineering (Alexandria, VA)
    …of experience in network engineering, administration, or related IT roles. + Clearance: TS / SCI CI Poly + Required Skills: + Experience with network security, ... be more with us! Job Summary: We are seeking a skilled Systems Administrator /Network Engineer to join our mission-driven team. This position offers a broad scope… more
    DirectEmployers Association (09/30/25)
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  • Applied Research Associates, Inc. (Herndon, VA)
    …DevOps Engineer Position Requirements:** + **Must be a US citizen with an active TS / SCI security clearance** + Bachelors degree in a related field along with ... scanning and network policies **Senior DevOps Engineer Preferred Qualifications:** + An active TS / SCI with CI Poly security clearance + OpenShift Certified … more
    DirectEmployers Association (09/11/25)
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  • Tyto Athene (Ashburn, VA)
    …+ Strong experience in enterprise IT environments as an applications or systems administrator . + Practical knowledge of Windows and Linux systems administration. ... - GIAC Network Forensic Analyst **Location:** + Ashburn, VA **Clearance:** + TS / SCI Clearance required **About Tyto Athene** **Compensation:** + Compensation is… more
    DirectEmployers Association (11/01/25)
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  • Linux Administrator

    CACI International (Chantilly, VA)
    Linux Administrator Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS / SCI with Polygraph Employee ... * We are seeking a highly skilled and motivated Linux Administrator to join our Federal IT...with RMF (Risk Management Framework). Required Qualifications * Active Top Secret clearance ( SCI eligibility… more
    CACI International (11/13/25)
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  • Linux Administrator - ACAS

    CACI International (Springfield, VA)
    Linux Administrator - ACAS Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS / SCI Employee Type: ... the NGA mission. In this role, we're seeking a ** Linux Administrator - ACAS** who could potentially...vendor updates are received **You'll Bring These Qualifications** + Top Secret / SCI clearance (current), with… more
    CACI International (11/10/25)
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  • LINUX Systems Administrator - Active…

    General Dynamics Information Technology (Washington, DC)
    …related experience **US Citizenship Required:** Yes **Job Description:** ** Linux Systems Administrator ** **- Active Top Secret Required** Seize your ... RQ204512 **Type of Requisition:** Regular **Clearance Level Must Be Able to Obtain:** Top Secret / SCI **Public Trust/Other Required:** None **Job Family:** IT… more
    General Dynamics Information Technology (11/01/25)
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  • Linux Systems Administrator

    CGI Technologies and Solutions, Inc. (Arlington, VA)
    ** Linux Systems Administrator ** **Category:** Infrastructure/Cloud **Main location:** United States, Virginia, Arlington **Position ID:** J0925-2110 **Employment ... Description:** CGI Federal has an exciting opportunity for a Linux Systems Administrator within our Intel sector...2 to 5 years of experience * Security Clearance: TS / SCI required with the ability to obtain… more
    CGI Technologies and Solutions, Inc. (10/01/25)
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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 ... and business continuity of the customer mission. Responsibilities: - Serve as a lead Linux Systems Administrator overseeing Red Hat Enterprise Linux (RHEL)… more
    BCMC (10/16/25)
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  • Linux /UNIX Systems Administrator

    General Dynamics Information Technology (Springfield, VA)
    …ensure today is safe and tomorrow is smarter. Our work depends on a TS / SCI cleared Linux /UNIX Systems Administrator joining our team to support our ... Requisition:** Regular **Clearance Level Must Be Able to Obtain:** Top Secret SCI + Polygraph...is ready to operate as a TIER 3 level Linux Administrator , experienced in managing large amounts… more
    General Dynamics Information Technology (10/11/25)
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  • Linux Systems Administrator

    Parsons Corporation (Centreville, VA)
    …server and networking equipment rack installations **Security Clearance Requirement:** An active Top Secret SCI w/Polygraph security clearance is required ... what's possible. **Job Description:** Parsons is seeking a mid-level Linux Systems Administrator . The candidate will support...a US Citizen + Candidate must have a current TS / SCI clearance with Poly + Bachelor's degree… more
    Parsons Corporation (10/18/25)
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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 ... is seeking a Technical Engagement Network (TEN) Lab Manager with experience in Linux Systems Administrator to support the design, development, and deployment of… more
    Nightwing (08/28/25)
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  • Linux Systems Administrator

    CACI International (Reston, VA)
    …Work independently with minimal guidance from more senior technical staff. **Required:** + Active Top Secret or TS / SCI clearance. + **CASP+** ... Linux Systems Administrator Job Category: Information Technology Time...Time Type: Full time Minimum Clearance Required to Start: Top Secret Employee Type: Regular Percentage of… more
    CACI International (10/18/25)
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  • System Administrator - Linux

    The Metamorphosis Group (Chantilly, VA)
    System Administrator - LINUX - TS / SCI FSP REQUIRED Chantilly, VA Apply Now Job Description The Metamorphosis Group, Inc, TMG, has an immediate opening ... for a Linux System Administrator , who shall be responsible...system monitoring. MUST BE US CITIZEN MUST HAVE ACTIVE TS / SCI with FSP US Veterans Preferred **ABSOLUTELY… more
    The Metamorphosis Group (09/10/25)
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  • 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 ... and providing technical services to enable customer mission accomplishment. The Senior System Administrator ( Linux ) will serve as a key member of the EINSTEIN… more
    Nightwing (10/29/25)
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  • Linux Administrator - TS

    V2X (Chantilly, VA)
    …effectively and proactively across a large organization of dispersed teams + TS / SCI with Polygraph required **Preferred Qualifications:** + Scripting experience ... versions of the relevant operating systems + Building and hardening Linux servers, and establishing configuration baselines + Applying all appropriate security… more
    V2X (11/08/25)
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  • Windows Linux Systems Administrator

    General Dynamics Information Technology (Fort Belvoir, VA)
    …ID:** RQ203465 **Type of Requisition:** Regular **Clearance Level Must Be Able to Obtain:** Top Secret SCI + Polygraph **Public Trust/Other Required:** None ... military service). + **3+ years** of relevant systems administration experience. + **Active TS / SCI clearance with Polygraph is required.** + **Must have a… more
    General Dynamics Information Technology (10/14/25)
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  • Linux System Administrator with Poly

    Parsons Corporation (Centreville, VA)
    …Must be a US Citizen + Must possess and maintain Top Secret SCI clearance with polygraph + Linux command line experience + Excellent written and oral ... C++ programming or quality assurance (QA) experience **Security Clearance Requirement:** An active Top Secret SCI w/Polygraph security clearance is required… more
    Parsons Corporation (08/23/25)
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  • Linux Engineer

    Arena Technical Resources, LLC (Springfield, VA)
    …and mission focused. This ideal candidate is ready to operate as aTIER 3 level Linux Administrator , experienced in managing large amounts of data and storage at ... Linux Engineer Location: Springfield, VA, US Job ID:...documentation - 8570 Compliance withSecurity+or equivalent certification - Active TS / SCI Clearance - Ability to respond to… more
    Arena Technical Resources, LLC (10/14/25)
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  • Systems Administrator

    Leidos (Chantilly, VA)
    …Desk/Systems Administrator . Your job will be supporting as a Linux administrator to provide system maintenance, systems performance optimization along ... updates to ensure 99.999% system availability requirements. + Analyze Linux log data to effectively administer and maintain Oracle...experience may be considered in lieu of degree. + TS / SCI with Polygraph is required + Strong… more
    Leidos (11/15/25)
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  • System Support-US Citizens Only - TS

    The Metamorphosis Group (Chantilly, VA)
    System Support-US CITIZENS ONLY - TS / SCI FS POLY REQUIRED Chantilly, VA . Government/Military Apply Now System Support The Contractor shall support all elements ... officer with security-controlled systems. + Demonstrated experience as an Oracle LINUX Systems Administrator . + Demonstrated experience in Oracle EXADATA… more
    The Metamorphosis Group (11/08/25)
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