• Senior Linux Systems Administrator

    Leidos (Annapolis Junction, MD)
    **Description** **Leidos** has a new and exciting opportunity for a **Senior Linux Systems Administrator** in our **National Security Sector's (NSS) Cyber & ... a master's degree with nine (9) years of relevant systems administration experience. An associate's degree with...**Security Clearance requirement** : Candidates must possess an active ** TS /SCI with Polygraph** to be considered for this role.… more
    Leidos (05/14/25)
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  • Senior Linux IT Systems Engineer…

    Lockheed Martin (Orlando, FL)
    …with demonstrated technical knowledge\. * Significant experience managing Red Hat\-based Linux Systems using an Active Directory authentication model\. \(Red ... **Description:** This role is for a Classified Linux IT Systems Engineer with a...must be a US Citizen for consideration\. **Clearance Level:** Top Secret with Investigation or CV date… more
    Lockheed Martin (04/06/25)
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  • Linux Principal Windows Systems

    Northrop Grumman (Kirtland AFB, NM)
    …developing systems that keep our world safe. We are looking for a ** Linux Systems Administrator** to support our Engineering organization's goals to meet the ... engaging with the internal and external customers. As a ** Linux Systems Administrator** , you will: +...months of start date + Must have an Active Top Secret DoD Clearance and maintain that… more
    Northrop Grumman (04/08/25)
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  • LINUX Sr Principal Systems Engineer…

    General Dynamics Information Technology (Washington, DC)
    …Regular **Clearance Level Must Be Able to Obtain:** Top Secret /SCI **Public Trust/Other Required:** None **Job Family:** Systems Engineering **Skills:** ... ENGINEER WILL MAKE AN IMPACT:** + Enterprise Authorization: Integrate Linux Systems (currently, RHEL 7/8 and Ubuntu...6 months of assignment. + **Security Clearance Level:** Active Top Secret + **Required Skills and Abilities**… more
    General Dynamics Information Technology (03/14/25)
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  • Principal Linux /Windows Systems

    Northrop Grumman (Baltimore, MD)
    …Certification in a primary OS (Windows, Linux , Cisco). + Active DoD Top Secret security clearance. We offer flexible work arrangements, phenomenal learning ... the best work of your career. Northrop Grumman's Mission Systems sector is seeking a well-qualified **Principal** ** Linux...MCSE or similar Microsoft certification, and 5+ years of Linux , Windows, and VMWare server administration experience… more
    Northrop Grumman (04/08/25)
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  • Systems Administrator ( Linux )

    Nightwing (Sterling, VA)
    …new cyber capabilities to address emerging threats. Nightwing is seeking a Sr. Linux Systems Administrator to support the design, development, and deployment of ... advanced cybersecurity capabilities. **Job Responsibilities:** + Provides ongoing systems administration , technical support, upgrades, and troubleshooting… more
    Nightwing (05/17/25)
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  • Cyber Systems Administrator ( Linux

    SOS International LLC (Pearl Harbor, HI)
    …The ideal candidate will have a strong understanding of cybersecurity principles, secure Linux systems administration , and data-centric network security best ... or CySA+ AND Red Hat Certification (RHCSA) Experience with Linux Systems Administration . Experience with...with Tenable.SC and Nessus Preferred Qualifications An Active in-scope TOP SECRET clearance with SCI Eligibility Work… more
    SOS International LLC (04/12/25)
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  • Cyber Defense Systems Specialist…

    Black Bear Technology Solutions, LLC (Fort Belvoir, VA)
    …( Linux & Automation) Location: Fort Belvoir, VA (ONSITE) Clearance: Active Top Secret required at start Certification: Security+ (IAT Level II) required ... is a senior-level role requiring a deep understanding of Linux systems , automation, and cybersecurity operations in...5+ years in cyber defense operations and secure system administration + Certifications (preferred but not required): + Red… more
    Black Bear Technology Solutions, LLC (05/19/25)
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  • Sr. Windows/ Linux Systems

    Lockheed Martin (King Of Prussia, PA)
    Linux system administration , including installing, troubleshooting and hardening Linux and Windows operating systems \(both bare\-metal and virtual ... of the client/server/storage/network devices \- Patch and harden Windows, Linux \(Red Hat\) and networking systems with...must be a US Citizen for consideration\. **Clearance Level:** Top Secret **Other Important Information You Should… more
    Lockheed Martin (04/30/25)
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  • Junior Systems Administrator, Linux

    BAE Systems (Hill AFB, UT)
    …documentation of Standard Operating Procedures + Perform software version upgrades + Provide Systems Administration for Linux /RHEL operating systems + ... and skills in the following: + Working proficiency with Linux operating systems + General understanding of...applicant must be able to obtain and maintain a Top Secret clearance. An active Top more
    BAE Systems (05/14/25)
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