• Principal Linux Systems

    Northrop Grumman (Aurora, CO)
    …We 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...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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  • Principal Linux Systems

    Leidos (Aurora, CO)
    **Description** **Leidos** has a new and exciting opportunity for a **Principal Linux Systems Administrator ** in our **National Security Sector's (NSS) Cyber ... with lasting impactful results. Join our team as a ** Linux Systems Administrator ** , where...Virtualization + **Security Clearance** : Must have an active Top Secret /SCI with Polygraph cssrc conmd Come… more
    Leidos (08/11/25)
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  • Senior Linux Systems

    Leidos (Aurora, CO)
    **Description** **Leidos** has a new and exciting opportunity for a **Senior Linux Systems Administrator ** in our **National Security Sector's (NSS) Cyber & ... difference in National** **Security!** Join our team as a ** Linux Systems Administrator ** , where...Virtualization + **Security Clearance** : Must have an active Top Secret /SCI with Polygraph cssrc conmd If… more
    Leidos (09/18/25)
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  • Sr Principal Linux Systems

    Northrop Grumman (Boulder, CO)
    …will include but not be limited to the following: + Perform as primary Linux Systems Administrator for a classified government contract. + Communicate ... be a condition of continued employment + Must have Linux Operating Systems support experience + ...with Certification & Accreditation process and STIGs + Active Top Secret is preferred We offer flexible… more
    Northrop Grumman (10/09/25)
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  • Linux Systems Administrator

    Deloitte (Colorado Springs, CO)
    …need for employer sponsorship, now or at any time in the future. + Active Top Secret with SCI eligibility security clearance required + Role requires candidates ... 3+ years of cyber security experience with emphasis on Linux Systems Administration. + 3+ years of...an individual to be hired at or near the top of the range for their role and compensation… more
    Deloitte (09/19/25)
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  • Lead Linux Systems

    Insight Global (Aurora, CO)
    Job Description Overview: Insight Global is seeking a Lead Systems Administrator to lead operations at Buckley Space Force Base, CO. This role involves system ... Workforce Privacy Policy: https://insightglobal.com/workforce-privacy-policy/. Skills and Requirements * DoD Top Secret clearance and SCI eligibility. Must be… more
    Insight Global (10/06/25)
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  • Linux Elastic Systems

    KIHOMAC (Colorado Springs, CO)
    …be a US citizen + Candidate must be in possession of a minimum DoD issued Secret Clearance and eligibility for TS /SCI + Candidates with active current TS /SCI ... preferred Physical Requirements: + Able to occasionally reach with hands and arms + Prolonged periods of computer screen use, while sitting or standing at a desk + Adhere to safety protocols when in work areas requiring use of PPE (eg eyewear, gloves, masks,… more
    KIHOMAC (10/05/25)
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  • Identity and Access Management System…

    Lockheed Martin (Schriever AFB, CO)
    …PowerShell\. **Please Note:** * This position requires a government security clearance at the Top Secret level; you must be a US Citizen for consideration\. * ... a diverse team of technical professionals including software and systems engineers, architects, and our project engineering team\. \-As...of work\. **Basic Qualifications:** * Must possess an active Top Secret clearance with SCI eligibility *… more
    Lockheed Martin (09/20/25)
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  • Compliance/Patching System Administrator

    Lockheed Martin (Schriever AFB, CO)
    …infrastructure\. Please Note: * This position requires a government security clearance at the Top Secret level; you must be a US Citizen for consideration\. * ... outside of work\. **Basic Qualifications:** * An Active Final TOP SECRET clearance required prior to starting,...Hands\-on experience coordinating patch testing and deployment on Windows, Linux , and other common operating systems \. *… more
    Lockheed Martin (08/28/25)
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  • Cleared IT Systems Administrator

    BAE Systems (Broomfield, CO)
    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...based on position level and/or job specifics. **Cleared IT Systems Administrator Senior** **115020BR** EEO Career Site… more
    BAE Systems (09/09/25)
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  • Linux System Administrator

    Parsons Corporation (Colorado Springs, CO)
    …Engineering field from an accredited university with minimum 8 years of experience + Top Secret ( TS ) security clearance with eligibility for Secret ... need your help. Our team is looking for a ** Linux System Administrator ** . In this role...Experience with configuration management **Security Clearance Requirement:** An active Top Secret SCI security clearance is required… more
    Parsons Corporation (09/04/25)
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  • Principal Linux System Administrator

    RTX Corporation (Aurora, CO)
    …supporting a Raytheon program in a classified environment as a **Principal Linux System Administrator ** . + Responsibilities include building, maintaining, and ... citizens are eligible for a security clearance​ **Security Clearance:** TS /SCI with CI Poly - Current At Raytheon, the...SSCP, CySA+, CND. + Experience administering Red Hat Enterprise Linux (RHEL) based systems + Experience using… more
    RTX Corporation (07/19/25)
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  • Linux System Administrator

    ManTech (Aurora, CO)
    MANTECH seeks a motivated and customer-focused ** Linux ** **System Administrator ** to join our team in **Southlands, Colorado** . This position supports the ELINT ... issues at Tier 1 and Tier 2 support levels + Configure and manage UNIX/ Linux operating systems and install/load OS software + Optimize system operations and… more
    ManTech (08/08/25)
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  • Linux System Administrator

    ManTech (Aurora, CO)
    ManTech is seeking a ** Linux ** **System Administrator ** to join our team in **Southlands, Colorado** . This position supports the ELINT Modernization effort and ... issues at Tier 1 and Tier 2 support levels + Configure and manage UNIX/ Linux operating systems and install/load OS software + Optimize system operations and… more
    ManTech (08/08/25)
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  • Systems Administrator

    ISYS Technologies (Schriever AFB, CO)
    Minimum Clearance Required Top Secret Responsibilities I2X Technologies is a reputable technology services company to the Federal Government. Whether the focus ... of our government customers. I2X Technologies is seeking a Systems Administrator to support ongoing activities for...position will be on-site and will require an active Top Secret clearance with SCI / SAP… more
    ISYS Technologies (09/30/25)
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  • SatOps Systems Administrator

    SAIC (Colorado Springs, CO)
    **Description** As a vital member of our team, the Satellite Systems Administrator is central to the configuration, maintenance, and issue resolution of ... cross-domain systems that are essential to our space and defense...and completing projects successfully. **Clearance:** + An active DoD Top Secret clearance with the ability to… more
    SAIC (08/22/25)
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  • Principal Systems Administrator

    Northrop Grumman (Colorado Springs, CO)
    RELOCATION ASSISTANCE: No relocation assistance available CLEARANCE TYPE: Top Secret TRAVEL: Yes, 10% of the Time **Description** At Northrop Grumman, our ... Systems offers an excellent opportunity for a Principal Systems Administrator - Helpdesk Sys Admin (25-501)...+ Applicants must have a current, active in-scope DoD-issued ** Top Secret ** security clearance at the time… more
    Northrop Grumman (10/04/25)
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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 US Air Force Space Command (AFSPC) missions. Clearance: Top Secret Security Clearance with SCI Eligibility...and/or at least five (5) years of Windows and Linux systems administration experience. + Strong knowledge… more
    Paragon Cyber Solutions (07/12/25)
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  • Sr Principal Systems Administrator

    Northrop Grumman (Aurora, CO)
    …Come be a part of our mission. Northrop Grumman is seeking a **Sr Principal Systems Administrator ** to join our team at our facility in Aurora, Colorado. **Job ... 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… more
    Northrop Grumman (09/11/25)
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  • Guidance Navigation and Control/System…

    Lockheed Martin (Colorado Springs, CO)
    …* Red Hat Enterprise Linux \(RHEL\) * Ability to obtain a Top Secret /SCI clearance * Interim Secret Clearance **Security Clearance Statement:** ... Mission is Ours\. Lockheed Martin Space is seeking a Guidance Navigation and Control/System Administrator Intern\. In this role you will: * Work with all elements of… more
    Lockheed Martin (09/24/25)
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