• 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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  • Senior Linux /Unix Systems

    SMX (Dahlgren, VA)
    Senior Linux /Unix Systems Administrator (4411)at SMX(View all jobs) (https://www.smxtech.com/careers/) Dahlgren, VA SMX is looking for a highly motivated ... Senior Linux /Unix Administrator to join...Warfare Center Dahlgren Division (NSWCDD) in Dahlgren, VA. The Senior Systems Administrator will work… more
    SMX (12/04/25)
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  • Senior Systems Administrator

    TekSynap (Dahlgren, VA)
    …is seeking a **S** **enior S** **ystem** ** Administrator (Unix/ Linux ).** The Senior Systems Administrator (Unix/ Linux ) serves as Key Personnel ... for Unix/ Linux environments within the Navy enterprise. The Senior Systems Administratoris responsible forconfiguration, optimization, and sustainment of… more
    TekSynap (10/31/25)
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  • Senior Systems Administrator

    EPS Corporation (Dahlgren, VA)
    Senior Systems Administrator (Unix/ Linux ) - (758) Share this job as a link in your status update to LinkedIn. Job Title Senior Systems ... Technology Job Description EPS Corporation is seeking a highly skilledSenior Systems Administrator (Unix/ Linux )to support enterprise-level networks and… more
    EPS Corporation (11/13/25)
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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 ... 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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  • Senior Linux System…

    Black Bear Technology Solutions, LLC (Adelphi, MD)
    Senior Linux System Administrator Clearance Required: Top Secret or Secret Clearance Locations: Adelphi, MD (Onsite) Position Overview: The Senior ... oversees the installation, configuration, maintenance, and integrity of computing systems and software. The role involves planning, ensuring long-term system… more
    Black Bear Technology Solutions, LLC (11/21/25)
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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

    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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  • Senior Systems Administrator

    SMX (Patuxent River, MD)
    Senior Systems Administrator (4521)at SMX(View all jobs) (https://www.smxtech.com/careers/) Patuxent River, MD SMX is looking for a highly motivated ** ... Senior Systems Administrator ** with demonstrated...functional duties for this position + Operating System certificate ( Linux ) and COMPTIA Security + or other DOD INST… more
    SMX (12/12/25)
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  • Senior Systems Administrator

    SMX (Patuxent River, MD)
    Senior Systems Administrator (VMware) (4601)at SMX(View all jobs) (https://www.smxtech.com/careers/) Patuxent River, MD SMX is looking for a highly motivated ... ** Systems Administrator ** with demonstrated experience to maintain...support to on-premises infrastructure. + Understanding and familiarity of Linux operating system and virtual networking. **Required Skills and… more
    SMX (11/14/25)
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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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  • 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 Unix System Administrator

    SMX (Patuxent River, MD)
    …security of mission-critical systems across Department of Defense (DoD) networks. The Senior UNIX Administrator will ensure systems are properly patched ... Senior Unix System Administrator (4608)at SMX(View...(PRDC). This individual will work alongside a team of UNIX/ Linux Systems Administrators responsible for maintaining the… more
    SMX (12/04/25)
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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 (10/10/25)
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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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  • Senior Linux Architect

    UIC Government Services and the Bowhead Family of Companies (Dahlgren, VA)
    **Overview** ** SENIOR LINUX ARCHITECT (CORPIT)** Bowhead seeks aSenior Linux Architect to lead the engineering and architecture of our enterprise RDT&E ... our Comply to Connect (C2C) initiative inDahlgren, VA. The Senior Linux Architect will design and implement...systems and services is required: Red Hat Enterprise Linux (RHEL 8.x with RHEL 7.x and/or RHEL9.x a… more
    UIC Government Services and the Bowhead Family of Companies (12/03/25)
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