• Systems Administrator / Linux

    Lockheed Martin (Littleton, CO)
    …location for this position is Littleton, CO\. The Multi\-Function Information Systems Analyst assists users with resolving technical issues with applications, ... connectivity and other IT related issues\. The Multi\-Function Information Systems Analyst will assist with Information Assurance, performing environmental… more
    Lockheed Martin (12/04/25)
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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 ... RELOCATION ASSISTANCE: No relocation assistance available CLEARANCE TYPE: Secret TRAVEL: Yes, 10% of the Time **Description**...be a condition of continued employment + Must have Linux Operating Systems support experience + … more
    Northrop Grumman (12/12/25)
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  • 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...environments + Candidates must have a current DOD **Top** ** Secret /SCI** levelsecurity clearance, to include a recent **Polygraph** [adjudicated… more
    Northrop Grumman (11/11/25)
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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...+ **Security Clearance** : Must have an active Top Secret /SCI with Polygraph cssrc conmd If you're looking for… more
    Leidos (10/09/25)
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  • Senior Linux System Administrator

    GovCIO (Denver, CO)
    **Overview** GovCIO is currently hiring for an experienced Linux System Administrator with an active Secret clearance to join an Operations team. This ... role, you will work with other members to mitigate vulnerabilities on Linux -based systems , implement STIGs, address POAMs, and mitigate Zero-Day vulnerabilities.… more
    GovCIO (11/07/25)
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  • Systems Administrator Level 2

    Northrop Grumman (Aurora, CO)
    …to the warfighter. Come be a part of our mission. Northrop Grumman is seeking a ** Systems Administrator ** **Level 2** to join our team at our facility in Aurora, ... be limited to, the following:** + Perform as a Linux and Windows System Administrator on large...+ 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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  • Information Systems Analyst, Stf / Windows…

    Lockheed Martin (Littleton, CO)
    …Windows environments, including Active Directory and Group Policy * Experience with Windows/ Linux administration or NetApp storage systems * Experience applying ... Enterprise Business & Digital Transformation \(EBDT\) organization** Windows System Administrator Windows System Administrator Job Requirements Lockheed Martin… more
    Lockheed Martin (12/04/25)
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  • TSSCI Systems Administrator (Level…

    Insight Global (Louisville, CO)
    Job Description An aerospace company in Louisville, CO, is looking for a Top Secret Systems Administrator (Level 2) to join their growing classified IT team. ... responsible for provisioning, installation and configuration, and maintenance of systems hardware and software. Their environment is a mix...software. Their environment is a mix of Windows and Linux , and you will also be supporting Vmware, Horizon… more
    Insight Global (11/22/25)
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  • Storage Administrator

    GovCIO (Denver, CO)
    **Overview** GovCIO is currently hiring for a Storage Administrator , tomanage, maintain, deploy, troubleshoot, and support servers and storage systems . This ... be a remote position. **Responsibilities** This position is for a Senior Storage Administrator for a mixed and growing environment of various storage HW. This… more
    GovCIO (09/24/25)
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  • Senior / Principal Windows System…

    SciTec (Boulder, CO)
    …has an immediate opportunity for a talented Senior / Principal Windows System Administrator to join our team in Boulder, CO. Successful applicants will bring deep ... clear focus on supporting customer needs. Responsibilities + Provide Windows systems administration in multiple heterogeneous Microsoft Windows and Red Hat… more
    SciTec (11/19/25)
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  • UNIX Administrator

    ASM Research, An Accenture Federal Services Company (Denver, CO)
    …field + Seven (7) years of systems administration experience on UNIX operating systems Red Hat Enterprise Linux (RHEL), Solaris, or HP-UX. + Five (5) years' ... UNIX hardware and operating system environments including Red Hat Enterprise Linux (RHEL), HP-UX, and Solaris. Optimizes backup processes; optimizes disk space… more
    ASM Research, An Accenture Federal Services Company (10/18/25)
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  • Federal Staff Customer Success Technical Architect…

    Confluent (Denver, CO)
    …Gives You an Edge:** + A US Secret , Top Secret ,TS/SCI Clearance + Confluent Developer or Administrator certifications ( ... with Java Virtual Machine (JVM) tuning and troubleshooting + Experience with operating Linux , you know how to configure, tune and troubleshoot both RedHat & Debian… more
    Confluent (10/28/25)
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  • UNIX Systems Engineer

    GovCIO (Denver, CO)
    …waived for 30 days after project join date. + 5+ yrs experience as a Unix Systems Administrator or IT Engineer with experience in automating assigned tasks. + 3+ ... **Overview** GovCIO is currently hiring for an UNIX Systems Engineer to plan, execute, and implement,create and...a mixed and growing environment of Red Hat Enterprise Linux /Oracle Enterprise Linux and Solaris UNIX. This… more
    GovCIO (09/24/25)
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  • (DoD SkillBridge) Software Engineer/Principal…

    Northrop Grumman (Aurora, CO)
    …and Digital Engineering department which has 200+ Software Engineer, DevOps Engineer, Systems Administrator , Database Administrator , and Network Engineer ... RELOCATION ASSISTANCE: No relocation assistance available CLEARANCE TYPE: Top Secret TRAVEL: No **Description** At Northrop Grumman, our employees have incredible… more
    Northrop Grumman (12/12/25)
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  • Software Engineer Level 5

    Northrop Grumman (Aurora, CO)
    …and Digital Engineering department which has 200+ Software Engineer, DevOps Engineer, Systems Administrator , Database Administrator , and Network Engineer ... RELOCATION ASSISTANCE: Relocation assistance may be available CLEARANCE TYPE: Top Secret TRAVEL: Yes, 10% of the Time **Description** At Northrop Grumman, our… more
    Northrop Grumman (11/12/25)
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  • Infrastructure Engineer T5

    CACI International (Aurora, CO)
    …. This role supports complex enterprise infrastructure and architecture, including UNIX/ Linux /Windows systems , virtual environments, and mission systems . ... in mission environments + Apply expert knowledge of UNIX, Linux , and Windows systems and networking +...and Privileged Account Management (PAM) **Qualifications:** _Required:_ + Top Secret with SCI eligibility + US citizen + Bachelor's… more
    CACI International (12/11/25)
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  • Software Engineer Level 3 or 4

    Northrop Grumman (Aurora, CO)
    …and Digital Engineering department which has 200+ Software Engineer, DevOps Engineer, Systems Administrator , Database Administrator , and Network Engineer ... RELOCATION ASSISTANCE: Relocation assistance may be available CLEARANCE TYPE: Top Secret TRAVEL: Yes, 10% of the Time **Description** At Northrop Grumman, our… more
    Northrop Grumman (10/15/25)
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  • Sr Principal DevOps Engineer

    Northrop Grumman (Aurora, CO)
    …and Digital Engineering department which has 200+ Software Engineer, DevOps Engineer, Systems Administrator , Database Administrator , and Network Engineer ... Northrop Grumman, our employees have incredible opportunities to work on revolutionary systems that impact people's lives around the world today, and for generations… more
    Northrop Grumman (12/11/25)
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  • DevOps Engineer (Level 2 OR 3)

    Northrop Grumman (Aurora, CO)
    …and Digital Engineering department which has 200+ Software Engineer, DevOps Engineer, Systems Administrator , Database Administrator , and Network Engineer ... our employees have incredible opportunities to work on revolutionary systems that impact people's lives around the world today,...be considered in lieu of degree. + **Active Top Secret /SCI with Full Scope poly required at time of… more
    Northrop Grumman (12/02/25)
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