• 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 team to maintain and optimize the Linux production environment. The candidate will be responsible for...+ 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 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 ... Security+ or Systems Security Certified Practitioner (SSCP)). + Training (DISA-US1384 DCWF Linux System Administrator / DISA-US1390 DCWF Windows Systems … 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 ... (Required): + CompTIA Security+ CE or CompTIA Server+ CE + Red Hat Certified System Administrator (RHCSA) + MCSA, MAC OS, or MCP + Must meet DoD 8750 and 8140… more
    Black Bear Technology Solutions, LLC (11/21/25)
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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 patches, managing...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)
    …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...administration duties will be included in this role. + Senior -level RedHat Linux server administration experience, experience… more
    GovCIO (11/07/25)
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  • Senior System Cloud Administrator

    Insight Global (Herndon, VA)
    Job Description We are seeking a highly skilled Senior Linux Systems Administrator to join our IT infrastructure team. The ideal candidate will have a strong ... background in Linux system administration, Azure cloud environments, and scripting. You...that are repeatable. - Maintain and enhance existing systems administrator tools, and develop new tools, using available programming… more
    Insight Global (12/04/25)
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  • Linux Engineer

    Arena Technical Resources, LLC (Chantilly, VA)
    …with current CI Polygraph required The Systems Engineering team is seeking a driven Senior Linux /UNIX Systems Administrator that is highly technical and ... focused. This ideal candidate is ready to operate as aTIER 3 level Linux /UNIX Administrator , experienced in managing large amounts of data and storage at sites… more
    Arena Technical Resources, LLC (11/29/25)
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  • Linux System Administrator

    Nightwing (Sterling, VA)
    …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 program in a...and/or network/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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  • 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 evolving ... interests of our nation. SecuriGence is seeking a talented ** Senior Systems Administrator ** to help contribute to...years of relevant experience. + Experience with Windows and Linux operating systems + DOD IAT Level II Certification… more
    Chenega Corporation (12/10/25)
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  • Senior Database Administrator

    Leidos (Camp Springs, MD)
    **Description** Leidos Digital Modernization sector is seeking an ** Senior Database Administrator ** - Hosting to support **USCIS Enterprise Automation & Unified ... integrate automation, cloud, hosting, and unified communications for 30 000+ end‑users. The Senior Database Administrator will be a key member of the Hosting… more
    Leidos (12/06/25)
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  • Senior Cloud Systems Administrator

    BAE Systems (Sterling, VA)
    **Job Description** We are looking for a highly skilled Senior Cloud Systems Administrator to join our visible technical program driving the Model Based Systems ... incentives may be available based on position level and/or job specifics. ** Senior Cloud Systems Administrator ** **115946BR** EEO Career Site Equal Opportunity… more
    BAE Systems (12/09/25)
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  • Systems Administrator II Generalist Sr…

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

    St. George Tanaq Corporation (Suitland, MD)
    Senior System Administrator - Network Operation Center WFH Flexible*Suitland, MD (http://maps.google.com/maps?q=Suitland+MD+USA) Job Type Full-time Description ... us, visit https://tanaq.com/tanaq-technical-services. **About the Role** We are seeking a ** Senior System Administrator - Network Operation Center** to support… more
    St. George Tanaq Corporation (11/14/25)
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  • Senior Systems Administrator

    BAE Systems (Washington, DC)
    …incentives may be available based on position level and/or job specifics. ** Senior Systems Administrator ** **118971BR** EEO Career Site Equal Opportunity ... anticipated decision expected by Q3/Q4 of 2026.** The **System Administrator ** responsibilities include, but are not limited to: +...that powers networks and operating systems such as UNIX, Linux , and Windows. + Install and configure hardware and… more
    BAE Systems (12/04/25)
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  • Senior System Administrator (2nd…

    RTX Corporation (Springfield, VA)
    …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 important US ... meet its national security strategy. This is for an on-site system administrator sustaining and maintaining a VM-based data system supporting a high visibility… more
    RTX Corporation (12/14/25)
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  • Lead Senior Systems Administrator

    ManTech (Chantilly, VA)
    **MANTECH** seeks a motivated, mission-oriented ** Senior Systems Administrator ** to join our team in **Chantilly, VA.** As the Lead Senior Systems ... not limited to:** + Lead and supervise a team of system administrators (Windows/ Linux /VMWare) and IT support staff. + Design, implement, and maintain VMware vSphere… more
    ManTech (12/19/25)
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  • SAP NS2 Senior Cloud Engineer/Systems…

    SAP (Herndon, VA)
    …and a variety of benefit options for you to choose from. **SAP NS2 Senior Cloud Engineer/Systems Administrator - Onsite - Chantilly, VA** **Active TS SCI ... this role. All internals must have manager's approval to transfer. The NS2 Senior Cloud Engineer/Systems Administrator candidate will be responsible for leading… more
    SAP (10/21/25)
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  • Senior System Administrator

    Amentum (Springfield, VA)
    …Security, & Intel space? If so, look no further. Amentum is seeking a ** Senior System Administrator ** to join our team of passionate individuals in ... Troubleshooting and providing AWS technical support to the NGA enterprise. * Senior level experience managing and administering Linux /Windows based systems… more
    Amentum (11/20/25)
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  • Senior Systems Administrator

    Leidos (Chantilly, VA)
    **Description** Leidos is seeking a System Administrator for a technical development program supporting the Sponsor's Attribute Services within the IDAM/ICAM ... space.As a System Administrator on this program, you will design, develop, implement,...of degree + Must be an expert in using Linux -based operating systems + Must have strong Bash skills… more
    Leidos (10/10/25)
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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. ... of databases based on functional specifications + Providing Database Administrator (DBA) support for application developers. + Commercial database technology… more
    BAE Systems (10/29/25)
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