• Principal Linux Systems…

    Northrop Grumman (Aurora, CO)
    …Want You!** The Northrop Grumman Classified Solutions team is seeking an experienced ** Linux Systems Administrator** to join its dynamic team of technical ... be limited to the following: + Perform as primary Linux Systems Administrator for a classified government...system environments + Candidates must have a current DOD ** Top ** ** Secret /SCI** levelsecurity clearance, to include a… more
    Northrop Grumman (09/23/25)
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  • Linux Systems Administrator…

    Deloitte (Colorado Springs, CO)
    …in Colorado Springs, CO. + 3+ years of cyber security experience with emphasis on Linux Systems Administration . + 3+ years of background /familiarity with ... switches, firewalls, IDS, etc. + Administer, implement and maintain Linux Servers in support of cybersecurity operations. + Maintain...or at any time in the future. + Active Top Secret with SCI eligibility security clearance… more
    Deloitte (09/19/25)
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  • Principal/Senior Principal Systems Engineer…

    Northrop Grumman (Aurora, CO)
    RELOCATION ASSISTANCE: No relocation assistance available CLEARANCE TYPE: Top Secret TRAVEL: Yes, 25% of the Time **Description** At Northrop Grumman, our ... + Track/log Real World Events **Basic Qualifications:** + DoD Top Secret clearance that is or has... Linux : Hands-on experience deploying, configuring, and troubleshooting Linux systems , preferably RedHat 6/7/8/9 + Experience… more
    Northrop Grumman (08/22/25)
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  • Principal Linux System Administrator

    RTX Corporation (Aurora, CO)
    …Security, GICSP, GSEC, SSCP, CySA+, CND. + Experience administering Red Hat Enterprise Linux (RHEL) based systems + Experience using and developing automation ... citizens are eligible for a security clearance​ **Security Clearance:** TS /SCI with CI Poly - Current At Raytheon, the...Bash and Python **Qualifications We Prefer** + Deployment and administration of systems , storage, and networking in… more
    RTX Corporation (07/19/25)
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  • Cleared IT Systems Administrator Senior

    BAE Systems (Broomfield, CO)
    **Job Description** **US CITIZENSHIP REQUIRED** BAE Systems Space and Mission Systems is seeking an experienced Linux System Administrator that will support ... the implementation, troubleshooting and maintenance of Red Hat Enterprise Linux IT Systems . You will be responsible...of Education, US Department of Education. + A current TS /SCI Security and CI polygraph is required. + Ability… more
    BAE Systems (09/09/25)
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  • Sr Principal Systems Administrator

    Northrop Grumman (Aurora, CO)
    …with 12 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 (09/11/25)
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  • Systems Engineer - IT ( Top…

    Lockheed Martin (Colorado Springs, CO)
    … Engineer\-IT to join our Agile team, specializing in IT Infrastructure \( Systems Administration , Networking, & Hardware\) within the Whiskey Program Area\. ... Active Directory, PowerShell, and Group Policy . Experience in Linux system administration . Hold a Security\+,...and a BS degree\. You must have an active Top Secret security clearance prior to start\.… more
    Lockheed Martin (09/13/25)
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  • GCCS Systems Administrator

    Paragon Cyber Solutions (Colorado Springs, CO)
    …with GCCS-J version 6.0 and/or at least five (5) years of Windows and Linux systems administration experience. + Strong knowledge of Server Operating ... ready for an exciting and dynamic career as a Systems Administrator to join other smart, talented, and dedicated...and US Air Force Space Command (AFSPC) missions. Clearance: Top Secret Security Clearance with SCI Eligibility… more
    Paragon Cyber Solutions (07/12/25)
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  • Systems Engineer - IT

    Lockheed Martin (Littleton, CO)
    …Linux system administration , including installing, troubleshooting and hardening Linux and Windows operating systems \(both bare\-metal and virtual ... working with a 150\+ C2\-Ground user base operating, maintaining and managing Windows/ Linux based systems supporting a software development environment\. This… more
    Lockheed Martin (09/24/25)
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  • Systems Security Engineer II

    Sierra Nevada Company, LLC (Lone Tree, CO)
    …SSCP etc.) + Active Secret US Security Clearance with ability to Obtain Top Secret **​** **Qualifications We Prefer:** + Proven track record of maintaining ... by the DoD + Experience with both Windows or Linux operating systems + DoD 8140 Certification...maintaining compliance controls. + Experience with Red Hat Enterprise Linux and Windows Server virtualized administration and… more
    Sierra Nevada Company, LLC (09/10/25)
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