• Systems Administrator

    ISYS Technologies (Schriever AFB, CO)
    …of degree + Active Secret clearance + Sec+ certification + Solaris, Linux , Windows, Unix administration + Configuration tools, especially Ansible + System ... position will be on-site and will require an active Secret clearance, Top Secret preferred...., including coordination with network administrators + Responsible for administration and maintenance of Red Hat Linux more
    ISYS Technologies (10/22/25)
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  • DevSecOps Engineer

    SMX (Boulder, CO)
    …+ Experience with version control using Git + Systems and service administration in a Linux environment, including the installation and maintenance of ... require the ability to obtain a US government DoD Top Secret Security clearance. Interim or Active...+ At least one year of professional experience using Linux operating systems . + Detail-oriented and good… more
    SMX (10/29/25)
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  • Mission IT Operator

    CACI International (Denver, CO)
    …for all site issues. This position requires broad knowledge of both Windows and Linux -based systems across a global environment. **Shift Work** (12 hours a day ... Time Type: Full time Minimum Clearance Required to Start: TS /SCI with Polygraph Employee Type: Regular Percentage of Travel...**These Qualifications Would be Nice to Have:** + System administration experience to include UNIX, Linux , and… more
    CACI International (10/28/25)
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  • Mission IT Operator

    CACI International (Denver, CO)
    …for all site issues. This position requires broad knowledge of both Windows and Linux -based systems across a global environment. Shift Work (12 hours a day ... Time Type: Full time Minimum Clearance Required to Start: TS /SCI with Polygraph Employee Type: Regular Percentage of Travel...in support of 24x7 operations. Desired Qualifications: - System administration experience to include UNIX, Linux , and… more
    CACI International (09/15/25)
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  • SkillBridge Opportunities for System…

    Kratos Defense & Security Solutions, Inc. (Colorado Springs, CO)
    …will be assisting with the compliance of classified government contracts and systems . Will be responsible for the security administration , patching, ... destruction equipment. Required Experience: + US Citizenship + Current Top - Secret clearance with SCI eligibility + Bachelor's...+ Familiarity with computer networks include Microsoft Windows and Linux based operating systems as well as… more
    Kratos Defense & Security Solutions, Inc. (08/22/25)
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  • Staff Solution Consultant

    Trellix (Denver, CO)
    …in cybersecurity operations, cybersecurity engineering, systems engineering and/or Windows and Linux systems administration . + You have experience with ... planning, deployment, migration, operation, and sustainment of key endpoint security systems comprised of Trellix and third-party technologies. The Endpoint Security… more
    Trellix (11/14/25)
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  • Sr Principal Sys Admin - Identity & Access…

    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 ... employees have incredible opportunities to work on revolutionary systems that impact people's lives around the world today,...+ Applicants must have a current, active in-scope DoD-issued ** Top Secret ** security clearance at the time… more
    Northrop Grumman (09/13/25)
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  • DevOps Engineer (Level 3 OR 4)

    Northrop Grumman (Aurora, CO)
    …must be able to obtain within 6 months + Administration experience with Linux or related operating systems . + Experience in an Agile software development ... OR Sr. Principal level. **Basic Qualifications:** + **Candidate must possess an active Top Secret /SCI clearance at the time application AND CI Polygraph to… more
    Northrop Grumman (11/13/25)
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  • Network/System Administrator (Net/Sys Admin

    General Dynamics Information Technology (Colorado Springs, CO)
    …RQ209869 **Type of Requisition:** Regular **Clearance Level Must Be Able to Obtain:** Top Secret SCI + Polygraph **Public Trust/Other Required:** None **Job ... systems , Microsoft Exchange Server, and as needed RHEL operating systems administration and associated hardware.** **Working knowledge of CISCO network… more
    General Dynamics Information Technology (11/04/25)
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  • Defensive Cyber Engineer

    Lockheed Martin (Aurora, CO)
    …information assurance, and security methodology * Administrative experience with Linux and/or Windows systems * Experience with NetBrain, Zenoss and ... Defensive Cyber Engineers working a 24/7 operation\. 2\. Provide systems and architecture expertise for Defensive Cyber Operations to...with SIEM technologies such as LogRhythm or Splunk * TS /SCI clearance * DoD 8140 \(formerly 8570 IAT II\)… more
    Lockheed Martin (11/02/25)
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