• 337 - Senior Linux Systems…

    ARSIEM (Annapolis Junction, MD)
    …with. ARSIEM is looking for a motivated and experienced Linux System Administrator for a small, diverse team that provides end-to-end software, systems, and ... network engineering services to support Integrated Discovery Operations (IDO). You will lead, evolve, and maintain a dynamic, modern DevOps architecture, often based on open-source technology and not relying on corporate baselines, to support software… more
    ARSIEM (10/30/25)
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  • System Administrator - Linux

    Leidos (Annapolis Junction, MD)
    **Description** **System Administrator - Linux ** **Leidos** has a new and exciting opportunity for a **System Administrator - Linux ** in our **National ... Cyber & Analytics Business Area (CABA)** . Our talented team is at the forefront in Security Engineering, Computer...respond to hardware and software incidents and work with senior system administrators, at times remotely from other locations.… more
    Leidos (01/06/26)
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  • Senior Unix System Administrator

    SMX (Patuxent River, MD)
    Senior Unix System Administrator (4608)at SMX(View all jobs) (https://www.smxtech.com/careers/) Patuxent River, MD SMX is seeking a driven and experienced ... Senior UNIX Administrator to support operations at...Data Center (PRDC). This individual will work alongside a team of UNIX/ Linux Systems Administrators responsible for… more
    SMX (12/04/25)
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  • Senior Systems Administrator

    SMX (Patuxent River, MD)
    Senior Systems Administrator (4521)at SMX(View all...Patuxent River NAS in southern Maryland. As the Systems Administrator , you will join a team of ... River, MD SMX is looking for a highly motivated ** Senior Systems Administrator ** with demonstrated experience to...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

    CACI International (Fort Meade, MD)
    Senior Systems Administrator Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS/SCI with Polygraph Employee Type: ... * * * **The Opportunity:** CACI is seeking a Senior Systems Administrator to provide support for...in the resolution process + Configure and manage primarily Linux /Unix (or other applicable) operating systems and installs/loads operating… more
    CACI International (12/02/25)
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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 ... hosting, and unified communications for 30 000+ end‑users. The Senior Database Administrator will be a key... will be a key member of the Hosting team , responsible for the design, implementation, maintenance, and performance… more
    Leidos (12/06/25)
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  • Senior Cloud System Administrator

    ManTech (Hanover, MD)
    ManTech seeks a motivated, career- and customer-oriented **Sr** **Cloud System Administrator ** to join our team in **Hanover, MD.** Our team delivers ... a team environment + Proficiency in administering and troubleshooting Linux distributions (eg, Ubuntu, CentOS, RHEL). **Clearance Requirements:** + Must have a… more
    ManTech (12/10/25)
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  • Senior Systems Administrator 10k…

    Leidos (Annapolis Junction, MD)
    **Description** **Leidos** has a new and exciting opportunity for a Senior Systems Administrator in our **Intelligence Sector's (NSS) Cyber & Analytics Business ... Area (CABA)** . Our talented team is at the forefront in Security Engineering, Computer...and make a difference in National** **Security!** As a Senior Systems Administrator you will play a… more
    Leidos (11/15/25)
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  • Senior ServiceNow Systems…

    SAIC (Annapolis Junction, MD)
    **Description** SAIC has an immediate opening for a ServiceNow Administrator in Annapolis Junction, on a very exciting program! In this role you will do many ... in the resolution process + Configure and manage UNIX, Linux and Windows operating systems and installs/loads operating system...Minimum of 14 years of experience as a Systems Administrator in programs and contracts of similar scope, type,… more
    SAIC (11/06/25)
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  • NAVAIR Senior Systems Administrator

    JHNA (Patuxent River, MD)
    Patuxent River, MD, USA | Full Time Overview: JHNA is currently seeking a Senior Systems Admin to join our NAVAIR team in Patuxent River, MD. As a System ... college/university + Experience with the following: + VMware/vSphere Enterprise + Linux + Software development environment + Atlassian tools + Familiarity with… more
    JHNA (01/06/26)
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