• Systems Administrator 1

    Amentum (Annapolis Junction, MD)
    …Security, & Intel space? If so, look no further. Amentum is seeking a ** Systems Administrator ** to join our team of passionate individuals in **Annapolis ... direct impact on the Nation's security and intelligence mission. **Responsibilities:** Skilled Linux based System Administrator to support DevOps team. This role… more
    Amentum (07/19/25)
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  • GCCS Systems Administrator

    Paragon Cyber Solutions (Colorado Springs, CO)
    …immediate opening for those ready for an exciting and dynamic career as a Systems Administrator to join other smart, talented, and dedicated engineers that pride ... and/or at least five (5) years of Windows and Linux systems administration experience. + Strong knowledge...Balance. + Training & Development. Why Work For Paragon Cyber Solutions? You want to make a difference. You… more
    Paragon Cyber Solutions (10/11/25)
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  • ServiceNow Systems Administrator

    SAIC (Annapolis Junction, MD)
    …be substituted for the degree + Minimum of 9 years of experience as a Systems Administrator in programs and contracts of similar scope, type, and complexity is ... **Description** SAIC has an immediate opening for a ServiceNow Administrator in Annapolis Junction, on a very exciting program!...in the resolution process + Configure and manage UNIX, Linux and Windows operating systems and installs/loads… more
    SAIC (08/07/25)
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  • Senior Systems Administrator

    Leidos (Tucson, AZ)
    …part of the Decision Advantage Solutions Business Area, is currently seeking a Senior Systems Administrator . As a senior member of our IT operations team, you ... well as a Polygraph. **Primary Responsibilities:** + Lead system administration for Linux and Windows-based systems in secure, mission-critical environments. +… more
    Leidos (10/10/25)
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  • Systems Administrator 2 (Bluemont,…

    William C Brown Inc (Springfield, VA)
    Systems Administrator 2 (Bluemont, VA) EOE Statement We are an equal employment opportunity employer. All qualified applicants will receive consideration for ... by law. Description WCBinc is looking for a Sr. Systems Administrator to provide support for implementation,...3.0 + Familiar with shell scripting using Powershell and Linux shell + Experience supporting multiple Microsoft Windows Server… more
    William C Brown Inc (07/24/25)
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  • Fidelis Administrator - Active TS/SCI…

    ENS Solutions (Norfolk, VA)
    …analyze root causes and resolve complex issues utilizing your knowledge of industry. Performs systems administration of cyber tools sets and server systems ... manage operating system and application software as necessary. Support Linux & Windows systems engineering efforts in...deployments and configuration management. + Experience as a network administrator or systems engineer. + Experience in… more
    ENS Solutions (09/27/25)
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  • Cybersecurity Engineer (Red Hat Enterprise…

    KBR (Bellevue, NE)
    …to ensure mission success. Position Summary: We are seeking a skilled, proactive Linux Systems Administrator with demonstrated expertise in Red Hat ... Title: Cybersecurity Engineer (Red Hat Enterprise Linux ) KBR's Mission Engineering Division delivers complex technical solutions and expert support to the US… more
    KBR (08/13/25)
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  • Cyber Systems Security Engineer…

    Lockheed Martin (Fort Worth, TX)
    …rack components Applying updates, anti\-virus/anti\-spyware updates, and patch updates Linux System Administrator Importing/Exporting large data volumes ... strong background in real\-time and heterogeneous laboratory environments to become a Cyber Infrastructure Engineer \(CIE\) supporting the F\-35 Man in the Loop… more
    Lockheed Martin (10/10/25)
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  • Senior Information Systems

    Concurrent Technologies Corporation (Huntsville, AL)
    Senior Information Systems Administrator Concurrent Technologies Corporation Huntsville, AL Minimum Clearance Required: Top Secret Clearance Clearance Level Must ... networking design and architectures, as well as network management. + Working knowledge of Linux and Windows operating systems (Puppet CM or similar). + Possess,… more
    Concurrent Technologies Corporation (09/07/25)
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  • Systems Network Administrator

    Leidos (Laurel, MD)
    …**Leidos** has a new and exciting opportunity for a ** Systems /Network Administrator ** in our **National Security Sector's (NSS) Cyber & Analytics Business ... us and make a difference in National Security!** **Job Summary:** Systems /Network administrator will provide support for implementation, troubleshooting and… more
    Leidos (09/20/25)
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