• AeroVironment (Arlington, VA)
    **Worker Type** Regular **Job Description** **Job Summary:** The primary role of the Linux System Administrator is to support the full life-cycle management ... needed. The ideal candidate has a strong foundation in Linux system and network administration with a...systems + Routine monitoring and integrity verification of system backup + Conduct periodic vulnerability scans to ensure… more
    DirectEmployers Association (12/24/25)
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  • AeroVironment (Herndon, VA)
    …Technical Expertise. + Deep understanding of Windows, macOS, mobile device operating systems , and working knowledge of Ubuntu/ Linux workstations. + Strong ... role is responsible for resolving highly complex issues across multiple systems , mentoring junior staff, leading process improvement initiatives, and ensuring the… more
    DirectEmployers Association (01/06/26)
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  • Infinity Systems Engineering (Alexandria, VA)
    …- now, come 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 ... secure, and troubleshoot Juniper and Cisco switches. + Perform systems administration on Windows and Linux platforms...configuration (Cisco experience is a plus) + Proficient in Linux and Windows system administration + Active… more
    DirectEmployers Association (11/25/25)
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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 ... . + Administer and optimize enterprise IT applications and systems in Windows and Linux environments. +...on Amazon Web Services (AWS). + Serve as a senior Splunk Administrator or Architect, responsible for… more
    DirectEmployers Association (11/01/25)
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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....required + Red Hat Certification - Red Hat Certified System Administrator (RHCSA) (Preferred) Come break things… more
    Leidos (12/30/25)
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  • Senior Linux Systems

    Leidos (Arlington, VA)
    …ownership of our critical Red Hat Enterprise Linux environment. As a Senior System Administrator , you'll be instrumental in designing, implementing, and ... Security Certified Practitioner (SSCP)). + Training (DISA-US1384 DCWF Linux System Administrator / DISA-US1390 DCWF Windows Systems Administrator more
    Leidos (12/20/25)
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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 ... System Administrator is responsible for leading system administration activities. This position oversees the installation, configuration, maintenance, and… more
    Black Bear Technology Solutions, LLC (11/21/25)
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  • Senior Linux Administrator

    General Dynamics Information Technology (Falls Church, VA)
    …5 + 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 System

    GovCIO (Washington, DC)
    …Submit a referral to this job (https://careers-govcio.icims.com/jobs/6348/ senior - linux - system - administrator ... **Overview** GovCIO is currently hiring for an experienced Linux System Administrator with... Linux System Administration, Configuration, and System Security + Advanced systems troubleshooting skills… more
    GovCIO (11/07/25)
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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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  • 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...requirements + Experience with administering and managing user and system accounts on Linux distributions + Ability… 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...System Installation and Configuration: Install, configure, and maintain Linux operating systems and applications on physical… 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 ... Systems Administrator or similar role + Strong experience with Linux and Windows-based systems administration. + Knowledge of cloud platforms (AWS,… 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 ... an anticipated decision expected by Q3/Q4 of 2026.** The ** System Administrator ** responsibilities include, but are not...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 System Administrator

    St. George Tanaq Corporation (Suitland, MD)
    Senior System Administrator -...Work both independently as well as in coordination with Systems administrators to maintain the smooth operation of a ... about us, visit https://tanaq.com/tanaq-technical-services. **About the Role** We are seeking a ** Senior System Administrator - Network Operation Center** to… more
    St. George Tanaq Corporation (11/14/25)
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  • Senior System Cloud…

    Insight Global (Herndon, VA)
    Job Description Insight Global's SaaS Client is seeking a highly skilled Senior Systems Cloud Administrator with strong experience in Microsoft Azure, ... Windows Server administration, and Linux systems within hybrid cloud environments. The...control, and application performance. * Support disaster recovery procedures, system restorations, and root cause analysis within hybrid cloud… more
    Insight Global (12/04/25)
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  • Senior System Administrator

    RTX Corporation (Springfield, VA)
    …or higher and Red Hat Enterprise Linux Certifications: RHCT or RHSA. + System administration experience across Linux systems and SQL. + Experience in ... create a safer, more secure world. Raytheon seeks a Systems Administrator to join a high-performing team...its national security strategy. This is for an on-site system administrator sustaining and maintaining a VM-based… more
    RTX Corporation (01/07/26)
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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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  • Senior System Administrator

    Amentum (Springfield, VA)
    …Cyber, Security, & Intel space? If so, look no further. Amentum is seeking a ** Senior System Administrator ** to join our team of passionate individuals in ... systems including the transition and migration of corporate systems * Monitor and report on system ...* Senior level experience managing and administering Linux /Windows based systems including patching, updates, and… more
    Amentum (11/20/25)
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