• ADC Engineer I, Amazon Dedicated Cloud Engineering…

    Amazon (Denver, CO)
    …or A+ or CND (Certified Network Defender) or Network+ or Security- 2+ years of systems administration ( Linux or Windows) experience - 2+ years of networking ... building some of the largest and most complex distributed systems in the world, and we need adaptable people...troubleshooting complex system operations, have a good understanding of Linux , networking and general knowledge of cloud services. We… more
    Amazon (10/16/25)
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  • ADC Engineer II, Peet ADC

    Amazon (Denver, CO)
    …or SSCP ( Systems Security Certified Practitioner) - 3+ years of systems administration experience ( Linux /Windows). - 1+ years experience working ... 3+ years of networking experience. - Current, active US Government Security Clearance of Top Secret with SCI eligibility or above Preferred Qualifications - 3+… more
    Amazon (10/22/25)
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  • Senior Systems Engineer - IT

    Lockheed Martin (Littleton, CO)
    …Excellent communication and interpersonal skills\. * Ability to obtain and maintain a Top Secret \( TS \) security clearance\. **Desired Skills:** * Experience ... design, development, manufacture, integration, and sustainment of advanced technology systems , products, and services\. Lockheed Martin \(LM\) Rotary and Mission… more
    Lockheed Martin (11/12/25)
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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 a customer...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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  • Staff Systems Engineer

    Lockheed Martin (Littleton, CO)
    …within a team and build consensus among stakeholders * Ability to obtain a Top Secret clearance **Desired Skills:** * Experience with Missile Defense Agency ... security clearance, you must be a US Citizen for consideration\. **Clearance Level:** Top Secret **Other Important Information You Should Know** **Expression of… more
    Lockheed Martin (11/12/25)
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  • Sr. Specialist, Software Engineer / Virtualization…

    L3Harris (Colorado Springs, CO)
    …experience. In lieu of a degree, minimum of 10 years of prior related experience. + Top Secret or TS /SCI Clearance + Experience in VMWare and Hyper-V, and ... for hands-on troubleshooting and support of new system fielding. + Maintain Top Secret Clearance which requires US Citizenship. Qualifications: + Bachelor's… more
    L3Harris (09/12/25)
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  • Theater Engineer

    Paragon Cyber Solutions (Colorado Springs, CO)
    …education and experience. + Three (3) or more years of systems administration experience supporting Windows and Linux . + Strong knowledge of Server Operating ... Command (USSTRATCOM) and US Air Force Space Command (AFSPC) missions. Clearance: Top Secret Security Clearance with SCI Eligibility Travel Required: Yes… more
    Paragon Cyber Solutions (10/22/25)
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  • Systems Engineer 4 (25-539)

    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 /SCI** security clearance at the time… more
    Northrop Grumman (11/08/25)
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  • Senior Platform Network Engineer (Onsite)

    RTX Corporation (Aurora, CO)
    …designing, configuring, deploying, and supporting Juniper network systems + Experience with Linux System Administration (Eg RHEL 6.0+) + Comp TIA Security + ... as only US citizens are eligible for a security clearance​ **Security Clearance:** TS /SCI with CI Poly - Current At Raytheon, the foundation of everything we… more
    RTX Corporation (09/19/25)
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  • Principal Data Modeler and Database Engineer…

    RTX Corporation (Aurora, CO)
    …database administration activities, deployment automation. + Active and transferable Top Secret US government issued security clearance is required prior ... as only US citizens are eligible for a security clearance​ **Security Clearance:** TS /SCI without Polygraph At Raytheon, the foundation of everything we do is rooted… more
    RTX Corporation (10/13/25)
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