• Senior Systems Administrator…

    Huntington Ingalls Industries (Hanover, MD)
    …Diploma or equivalent and 10 years relevant experience. + Strong proficiency in Linux administration (eg Red Hat, CentOS, Ubuntu) + Experience with ... Level of Experience: Mid This opportunity resides with Warfare Systems (WS), a business group within HII's Mission Technologies...ideal candidate will have a strong background in system administration and be part of a small team of… more
    Huntington Ingalls Industries (08/27/25)
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  • Senior Information Systems Security…

    ManTech (Fort Washington, MD)
    **MANTECH** seeks a motivated, career and customer-oriented ** Senior Information Systems Security Officer (ISSO)** to join our team in Fort Washington, MD. This ... Master's Degree and 5 + years prior experience + Solid understanding of Linux /Unix Administration . + Experience with applying DISA STIGs with containerization… more
    ManTech (11/01/25)
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  • Senior Systems Engineer

    CACI International (Annapolis Junction, MD)
    Senior Systems Engineer Job Category: Engineering Time Type: Full time Minimum Clearance Required to Start: TS/SCI with Polygraph Employee Type: Regular ... Type of Travel: None * * * **The Opportunity:** Senior Systems Engineer with strong design experience...and system deployment, as well as general Windows and Linux system administration and sustainment experience. Must… more
    CACI International (10/21/25)
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  • Network Engineer, Senior

    Parsons Corporation (Annapolis Junction, MD)
    …Skills You'll Bring** **:** + CCNA or equivalent certification + PanOS experience + Systems Administration in Linux (RHCSA or equivalent) + PKI integration ... + Data Transport technologies (Kafka, NiFi, Niagara Files) + Associates or Bachelors degree in a relevant field **Security Clearance Requirement:** An active Top Secret SCI w/Polygraph security clearance is required for this position.​ This position is part of… more
    Parsons Corporation (10/15/25)
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  • Senior Information Systems Security…

    Leidos (Fort Meade, MD)
    **Description** **Leidos** has a new and exciting opportunity for a Senior Information Systems Security Officer (ISSO) in our **National Security Sector's (NSS) ... cross-discipline resolutions via CCBs and design reviews. + Experienced in Linux /Windows system administration , RF system configuration, FORNSAT, Tactical… more
    Leidos (10/16/25)
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  • Senior Systems Engineer

    Belay Technologies (Columbia, MD)
    …2019, runner up in 2020 and a finalist in 2021! Belay Technologies is seeking a Senior Systems Engineer (Backend Focus) to join our intel team. We are looking ... + Apache Kafka. + Excellent written and verbal communication skills. + Linux administration . + Experience with automated build tools, continuous integration,… more
    Belay Technologies (11/11/25)
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  • UNIX Administrator

    ASM Research, An Accenture Federal Services Company (Annapolis, MD)
    …+ Seven (7) years of systems administration experience on UNIX operating systems Red Hat Enterprise Linux (RHEL), Solaris, or HP-UX. + Five (5) years' ... from a nationally recognized technical authority. DLA CE Cert IA Role/Function: Server Admin UNIX/ Linux Operating System **Other Job Specific Skills** + Advanced… more
    ASM Research, An Accenture Federal Services Company (10/18/25)
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  • Senior Help Desk Specialist - Onsite in

    Booker DiMaio, LLC (Baltimore, MD)
    …and experience with Google Suite. + Experience supporting desktop and laptop operating systems using Windows 11, Linux , and macOS. + Experience in network ... experience is required. We are in need of a Senior Help Desk Specialist to provide IT software, hardware...Responsibilities: + Utilize knowledge and technical expertise of computer systems and general network and infrastructure administration more
    Booker DiMaio, LLC (10/25/25)
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  • Senior System Integrator Engineer (TS/SCI)

    Vexterra Group (Bethesda, MD)
    Vexterra Group is currently searching for a Senior Systems Integrator Engineer to provide the following systems support in Reston VA or Bethesda, MD office: ... and O&M team members on the following key tasks: DUTIES * Perform Linux builds, installs, configuration, administration , and troubleshooting of both Linux more
    Vexterra Group (10/14/25)
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  • Senior Lead DevOps Engineer - Automation…

    Lumen (Annapolis, MD)
    …development experience (BASH). + Familiar with all aspects of MV* frameworks. + Advanced Linux admin and programming skills. + Familiar with the whole web stack, ... the world and shape the future. **The Role** The Sr Lead DevOps Engineer understands the software development lifecycle...+ 3+ years of experience deploying and managing production systems on a cloud infrastructure. + Detailed understanding of… more
    Lumen (11/15/25)
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