• 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 ... RQ211146 **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 (12/05/25)
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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

    Nightwing (Sterling, VA)
    …minimize downtime and disruptions. **Required Skills:** + US Citizenship + Must have an active Secret clearance and obtain a TS / SCI clearance + 3+ years of ... community, defense, civil, and commercial markets. Nightwing is seeking a qualified Linux Systems Administrator to work with a close-nit team to assist in the… more
    Nightwing (11/18/25)
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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 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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  • 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 + Experience in… more
    Parsons Corporation (12/06/25)
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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 (11/26/25)
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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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  • 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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  • Linux System Administrator with CI…

    Parsons Corporation (Centreville, VA)
    …Systems Engineering or a related field + Must be a US Citizen + Must possess and maintain Top Secret SCI clearance with CI poly + Must have Linux command ... C++ programming or quality assurance (QA) experience **Security Clearance Requirement:** An active Top Secret SCI w/Polygraph security clearance is required… more
    Parsons Corporation (11/21/25)
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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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  • Linux Engineer

    Arena Technical Resources, LLC (Chantilly, VA)
    …ATR 17717 Job Description Job Title: Linux Engineer Location: Chantilly, VA Eligibility: Top Secret / SCI clearance with current CI Polygraph required The ... Systems Engineering team is seeking a driven Senior Linux /UNIX Systems Administrator that is highly technical...- Experience writing detailed, technical documentation -8570 Compliance -Active TS / SCI + CI Poly - Ability to… more
    Arena Technical Resources, LLC (11/29/25)
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  • Technical Engagement Network (TEN) Lab Manager/…

    BCMC (Arlington, VA)
    …weaknesses and vulnerabilities. Required Skills: - US Citizenship - Must have an active DoD Secret clearance, TS / SCI clearance is preferred. - Must be able ... are seeking a Technical Engagement Network (TEN) Lab Manager with experience in Linux Systems Administrator to support the design, development, and deployment of… more
    BCMC (11/21/25)
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  • Infrastructure Engineer/ Administrator

    CACI International (Mclean, VA)
    Infrastructure Engineer/ Administrator Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS / SCI with ... * **The Opportunity:** CACI is seeking a highly motivated Linux System Engineer and Administrator with hands...configuration management and change control. **Qualifications:** _Required:_ + Active TS / SCI w/ Poly clearance is required. +… more
    CACI International (09/26/25)
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  • Systems Administrator - TS

    General Dynamics Information Technology (Chantilly, VA)
    …ID:** RQ206369 **Type of Requisition:** Regular **Clearance Level Must Be Able to Obtain:** Top Secret SCI + Polygraph **Public Trust/Other Required:** None ... Vormetric, and KMS).Demonstrated experience with web services. + **Security Clearance Level** : Top Secret / SCI with Polygraph + **Preferred Skills:** +… more
    General Dynamics Information Technology (09/17/25)
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  • Systems Administrator / Top

    Lockheed Martin (Arlington, VA)
    …skills\. \* Strong oral and written communication skills \* Current final Top Secret clearance and ability to obtain SCI access; applicant selected will be ... **Description:** You will be the Systems Administrator for the Advanced Concepts Lab \(ACL\) -...special access\. The selected candidate must possess an active Top Secret clearance to start\. \#lmatl **Basic… more
    Lockheed Martin (10/22/25)
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  • NCIS Cyber Systems Administrator - SecOps…

    General Dynamics Information Technology (Quantico, VA)
    …RQ211184 **Type of Requisition:** Regular **Clearance Level Must Be Able to Obtain:** Top Secret / SCI **Public Trust/Other Required:** None **Job Family:** IT ... Description:** Transform technology into opportunity as a **Cyber Systems Administrator - SecOps** at GDIT in Quantico, VA. Shape...NEED TO SUCCEED (Required):** + **Security Clearance Level:** Active Top Secret clearance with SCI more
    General Dynamics Information Technology (12/08/25)
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  • Fidelis Administrator - Active TS

    ENS Solutions (Reston, VA)
    …Fidelis appliance stack and network issues to ensure it remains fully operational + Active TS / SCI clearance; willingness to take a polygraph exam + HS diploma or ... configure and manage operating system and application software as necessary. Support Linux & Windows systems engineering efforts in system design and evaluation,… more
    ENS Solutions (09/27/25)
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