• Senior Linux Systems

    Leidos (Arlington, VA)
    …of our critical Red Hat Enterprise Linux environment. As a Senior System Administrator , you'll be instrumental in designing, implementing, and maintaining ... The Leidos Digital Modernization Sector is seeking a **_Senior Linux Systems Administrator_** in support of the...(SSCP)). + Training (DISA-US1384 DCWF Linux System Administrator / DISA-US1390 DCWF Windows Systems more
    Leidos (12/20/25)
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  • Linux Engineer

    Arena Technical Resources, LLC (Chantilly, VA)
    …current CI Polygraph required The Systems Engineering team is seeking a driven Senior Linux /UNIX Systems Administrator that is highly technical and ... SUCCEED Basic Qualifications: - Ten (10) years' experience as aLinux/UNIX Systems Administrator supporting complex, multi-site enterprise-scale environments -… more
    Arena Technical Resources, LLC (11/29/25)
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  • Senior Linux Administrator

    General Dynamics Information Technology (Falls Church, VA)
    …years of related experience **US Citizenship Required:** Yes **Job Description:** **HOW A LINUX SYSTEM ADMINISTRATOR WILL MAKE AN IMPACT:** + Provide system ... administration support for Linux operating systems including installing software, applying...as this position will require candidate to engage with senior military and government leadership. + Must be able… more
    General Dynamics Information Technology (10/25/25)
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  • Senior Linux Administrator

    Leidos (Fort Belvoir, VA)
    **Description** The DTRA program at Leidos is seeking a ** Senior Linux Administrator ** in Fort Belvoir, VA to support the DTRA I3TS Infrastructure Services ... from design through development to production, building and deploying Linux based systems in a virtual environment....+ Red Hat Certification - Red Hat Certified System Administrator (RHCSA) (Preferred) Come break things (in a good… more
    Leidos (12/30/25)
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  • Senior Linux System…

    GovCIO (Washington, DC)
    …referral to this job (https://careers-govcio.icims.com/jobs/6348/ senior - linux -system- administrator /job?mode=apply&apply=yes&in\_iframe=1&hashed=-1834385473) ... **Overview** GovCIO is currently hiring for an experienced Linux System Administrator with an active...will work with other members to mitigate vulnerabilities on Linux -based systems , implement STIGs, address POAMs, and… more
    GovCIO (11/07/25)
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  • Linux System Administrator

    Nightwing (Sterling, VA)
    …community, defense, civil, and commercial markets. Nightwing is seeking a highly motivated Systems Administrator to join a mature program in the Sterling VA ... location. The qualified Systems Administrator will support a very dynamic...systems administration + Proficiency experience with Red Hat Linux (RHEL) workstations and servers, including installation, configuration, administration… more
    Nightwing (12/20/25)
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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 ... Description:** CGI Federal has an exciting opportunity for a Linux Systems Administrator within our...and analytical skills. * Excellent communication and teamwork skills. Senior : * Education and/or Experience: Bachelor's degree and/or 5… more
    CGI Technologies and Solutions, Inc. (12/31/25)
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  • Senior Systems Administrator

    General Dynamics Information Technology (Washington, DC)
    …5 + years of related experience **US Citizenship Required:** Yes **Job Description:** Senior Systems Administrator Own your opportunity to join our ... becomes better. GDIT has an immediate opening for a Systems Administrator to fill a Core Services...Administrator or similar role + Strong experience with Linux and Windows-based systems administration. + Knowledge… more
    General Dynamics Information Technology (01/05/26)
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  • Senior Systems Administrator

    BAE Systems (Washington, DC)
    …Other incentives may be available based on position level and/or job specifics. ** Senior Systems Administrator ** **118971BR** EEO Career Site Equal ... anticipated decision expected by Q3/Q4 of 2026.** The **System Administrator ** responsibilities include, but are not limited to: +...and maintain the infrastructure that powers networks and operating systems such as UNIX, Linux , and Windows.… more
    BAE Systems (12/04/25)
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  • Systems Administrator II Generalist…

    V2X (Springfield, VA)
    …Server platforms, but there are also Linux distributions as well. + The Senior Systems Administrator II shall support the mid-level internal escalation ... complex challenges with integrity, respect, responsibility, and professionalism. We are hiring a Senior Systems Administrator II Generalist - Windows Server… more
    V2X (11/15/25)
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  • Senior Systems Administrator

    Chenega Corporation (Arlington, VA)
    **Req ID:** 38512 **Summary** ** Senior Systems Administrator ** **Arlington, VA** Are you ready to enhance your skills and build your career in a rapidly ... interests of our nation. SecuriGence is seeking a talented ** Senior Systems Administrator ** to help...years of relevant experience. + Experience with Windows and Linux operating systems + DOD IAT Level… more
    Chenega Corporation (12/10/25)
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  • Application Systems Administrator

    ASM Research, An Accenture Federal Services Company (Washington, DC)
    …and design. Provides direction to other IT Administrators on the project in a senior administrator capacity. Considered a technical specialist in a variety of IT ... administrator disciplines. + Responsible for installing, configuring, and maintaining..., VMware (vCenter). + Experience with a variety of systems to include VMware, Red Hat Enterprise Linux more
    ASM Research, An Accenture Federal Services Company (01/13/26)
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  • Senior Systems Administrator

    UIC Government Services and the Bowhead Family of Companies (Arlington, VA)
    **Overview** SENIOR SYSTEMS ADMINISTRATOR (NAUT): Bowhead seeks a Senior Systems Administrator to support our customer on the Nautical contract ... monitoring tools + Configure and manage virtual machines, containers, storage systems , and networking components in secure cloud environments + Implement and… more
    UIC Government Services and the Bowhead Family of Companies (01/06/26)
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  • Lead Senior Systems

    ManTech (Chantilly, VA)
    **MANTECH** seeks a motivated, mission-oriented ** Senior Systems Administrator ** to join our team in **Chantilly, VA.** As the Lead Senior Systems ... + Lead and supervise a team of system administrators (Windows/ Linux /VMWare) and IT support staff. + Design, implement, and...or high school diploma/GED and 13 years of relevant systems administration experience with 3 + years in a… more
    ManTech (12/19/25)
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  • Senior Systems Administrator

    Leidos (Chantilly, VA)
    …experience. Additional experience in lieu of degree + Must be an expert in using Linux -based operating systems + Must have strong Bash skills + Must have ... **Description** Leidos is seeking a System Administrator for a technical development program supporting the...via an LDAP interface to hundreds of various Sponsor systems Required Qualifications + Active TS/SCI with Polygraph +… more
    Leidos (01/09/26)
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  • Database Administrator ( Senior )

    BAE Systems (Sterling, VA)
    …may be available based on position level and/or job specifics. **Database Administrator ( Senior )** **117843BR** EEO Career Site Equal Opportunity Employer. ... **Job Description** BAE Systems , a top-ten prime contractor to the US...of databases based on functional specifications + Providing Database Administrator (DBA) support for application developers. + Commercial database… more
    BAE Systems (10/29/25)
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  • Senior IT Systems

    ManTech (Chantilly, VA)
    **MANTECH** seeks a motivated, career and customer-oriented ** Senior IT Systems Administrator ** to join our team in **Chantilly, VA.** **Responsibilities ... to obtain one within 180 days. + Experience with Windows and Linux operating systems . + Experience providing help-desk end-user support for common desktop and… more
    ManTech (12/03/25)
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  • Systems Administrator

    General Dynamics Information Technology (Sterling, VA)
    …5 + years of related experience **US Citizenship Required:** Yes **Job Description:** SYSTEMS ADMINISTRATOR SENIOR Advance how our customers operate while ... you advance your career. Join GDIT as a Systems Administrator Senior and build an impactful career in enterprise IT, collaborating with people who are driven… more
    General Dynamics Information Technology (12/18/25)
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  • Senior System Administrator (2nd…

    RTX Corporation (Springfield, VA)
    …tough, meaningful problems that create a safer, more secure world. Raytheon seeks a Systems Administrator to join a high-performing team at the heart of an ... Linux Certifications: RHCT or RHSA. + System administration experience across Linux systems and SQL. + Experience in the Intelligence Community (IC).… more
    RTX Corporation (01/07/26)
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  • Senior System Administrator

    Amentum (Springfield, VA)
    …NGA enterprise. * Senior level experience managing and administering Linux /Windows based systems including patching, updates, and configuration management. * ... If so, look no further. Amentum is seeking a ** Senior System Administrator ** to join our team...Provide support for implementation, troubleshooting, and maintenance of cloud systems * Isolate and resolve problems involving the applications,… more
    Amentum (11/20/25)
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