• NCIS Cyber Systems Administrator - SecOps…

    General Dynamics Information Technology (Quantico, VA)
    …Citizenship required** **WHAT WE'D LOVE FOR YOU TO HAVE:** + ACAS Management + LINUX Systems Administration Experience (SPLUNK) + Forescout Experience **GDIT ... **Type of Requisition:** Regular **Clearance Level Must Be Able to Obtain:** Top Secret /SCI **Public Trust/Other Required:** None **Job Family:** IT… more
    General Dynamics Information Technology (08/28/25)
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  • Senior Platform Engineer / Linux (Onsite)

    RTX Corporation (Dulles, VA)
    …possible on call support/overtime. **What You Will Do** + You will maintain existing systems through Linux -based tools and manage the COTS/FOSS software on the ... work experience + Experience with VMware: vCenter and ESXi + Experience with Linux system administration (RHEL/OL preferred) + Experience with LDAP … more
    RTX Corporation (10/09/25)
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  • Senior Linux System Administrator

    ManTech (Fort Meade, MD)
    …for a degree. + 20+ years of related experience in systems administration or IT operations. + Experience with Linux , including installation, configuration, ... resource utilization; perform capacity analysis and system planning. + Configure and manage Linux and Windows operating systems ; install, load, and enhance OS… more
    ManTech (10/14/25)
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  • IT Cloud Systems Engineer - TS /SCI…

    General Dynamics Information Technology (Bethesda, MD)
    …of the demonstration capability and the final production system. + Experience with Linux /Unix systems administration . + Review and Maintain environments at ... Requisition:** Regular **Clearance Level Must Be Able to Obtain:** Top Secret SCI + Polygraph **Public Trust/Other...Experience** : 10+ yrs + **Required Technical Skills:** + Linux /Unix systems administration + Cloud… more
    General Dynamics Information Technology (09/26/25)
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  • Site Reliability Engineer (Starshield)…

    SpaceX (Hawthorne, CA)
    Site Reliability Engineer (Starshield) - Top Secret Clearance Hawthorne, CA Apply SpaceX was founded under the belief that a future where humanity is out ... goal of enabling human life on Mars. SITE RELIABILITY ENGINEER (STARSHIELD) - TOP SECRET CLEARANCE Starshield leverages SpaceX's Starlink technology and launch… more
    SpaceX (10/04/25)
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  • Specialist, System Administration…

    L3Harris (Rochester, NY)
    …degree, minimum of 8 years of prior related experience. + 4 years of Windows or Linux systems administration experience. + 1 year of experience with VMWare ... domains in the interest of national security. Job Title: Systems Administrator - TS /SCI Job Code: 29273...responsible for maintaining, managing, configuring, and troubleshooting Windows and/or Linux systems in secure program areas. Duties… more
    L3Harris (09/27/25)
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  • Linux System Administrator

    ManTech (Fort Meade, MD)
    …of hardware and software in support of developing and testing of information technology systems . + Heavy Linux administration experience. + Experience using ... for new operating system rollout. + Configure host-based intrusion detection systems . + Monitor and troubleshoot/examine detected anomalies. + Developed automation… more
    ManTech (11/19/25)
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  • Systems Administrator 3- TS /SCI

    M. C. Dean (Omaha, NE)
    …of relevant work experience providing system administration to Elastic and or Linux based systems . + Applicants selected will be subject to a government ... including US Citizenship, for access to classified information; **Active Top - Secret /SCI Clearance required.** Responsibilities + Administer both developmental… more
    M. C. Dean (10/11/25)
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  • Next Generation Desktop Environment (NGDE)…

    General Dynamics Information Technology (Annapolis Junction, MD)
    …RQ208493 **Type of Requisition:** Regular **Clearance Level Must Be Able to Obtain:** Top Secret SCI + Polygraph **Public Trust/Other Required:** None **Job ... Family:** IT Infrastructure and Operations **Skills:** Linux Environments, Systems Engineering, Systems Software **Experience:** 8 + years of related… more
    General Dynamics Information Technology (10/08/25)
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  • Systems Administrator Level 2

    Northrop Grumman (Aurora, CO)
    …with 6 years of IT experience is required + **Candidate must have active/current Top Secret /SCI clearance with adjudicated Full Scope Polygraph at time of ... application** + Must have server administration experience with Linux (RedHat Enterprise ...+ Solid understanding of remediating security vulnerabilities; Experience hardening Linux systems in accordance with RMF and… more
    Northrop Grumman (10/22/25)
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