• Contracts Administrator - Level 3

    Northrop Grumman (Aurora, CO)
    RELOCATION ASSISTANCE: No relocation assistance available CLEARANCE TYPE: Top Secret TRAVEL: No **Description** At Northrop Grumman, our employees have ... incredible opportunities to work on revolutionary systems that impact people's lives around the world today,...professional experience + Requires an active US Government DoD Top - Secret security clearance at time of application,… more
    Northrop Grumman (12/02/25)
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  • System Administrator

    KBR (Colorado Springs, CO)
    Title: System Administrator Belong. Connect. Grow. with KBR! KBR's National Security Solutions team provides high-end engineering and advanced technology ... our national security. KBR, is seeking a highly motivated Systems Administrator to join us in supporting...+ Security Clearance: Must have an active US government Top Secret /SCI security clearance, which is something… more
    KBR (11/20/25)
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  • Senior Linux Systems Administrator

    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 & ... in National** **Security!** Join our team as a **Linux Systems Administrator ** , where you'll provide crucial...Virtualization + **Security Clearance** : Must have an active Top Secret /SCI with Polygraph cssrc conmd If… more
    Leidos (12/19/25)
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  • Systems Administrator

    ISYS Technologies (Schriever AFB, CO)
    …the space initiatives of our government customers. I2X Technologies is seeking a Systems Administrator to support ongoing activities for a customer in Colorado ... position will be on-site and will require an active Secret clearance, Top Secret preferred....security policy, Risk Management Framework (RMF) + Set up administrator and service accounts + Maintain system more
    ISYS Technologies (10/22/25)
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  • Client Support Administrator - Nissc…

    Amentum (Fort Carson, CO)
    …at this time** **Remote/Telework: NO - Not available for this position** **Clearance Type: Top Secret with SCI Eligibility** **Shift: Shift work is required to ... **Position Title:** **Client Support Administrator ** **Location: Cheyenne Mountain Space Force Station, Colorado**...teammate companies.** **Basic Requirements:** + Must have an active Top Secret with SCI Eligibility + Must… more
    Amentum (01/03/26)
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  • Principal Linux Systems

    Northrop Grumman (Aurora, CO)
    …The Northrop Grumman Classified Solutions team is seeking an experienced **Linux Systems Administrator ** to join its dynamic team of technical professionals. ... limited to the following: + Perform as primary Linux Systems Administrator for a classified government contract.... environments + Candidates must have a current DOD ** Top ** ** Secret /SCI** levelsecurity clearance, to include a… more
    Northrop Grumman (11/11/25)
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  • Systems Administrator

    Infinity Systems Engineering (Colorado Springs, CO)
    …WE ARE MORE - now, come be more with us! Job Summary: The Systems Administrator is responsible for the maintenance, configuration, and reliable operation of ... system performance and security, and providing technical support to internal users. The Systems Administrator will work closely with the IT team to ensure all… more
    Infinity Systems Engineering (12/05/25)
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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, ... the following:** + Perform as a Linux and Windows System Administrator on large government contracts. +...IT experience is required + **Candidate must have active/current Top Secret /SCI clearance with adjudicated Full Scope… more
    Northrop Grumman (10/22/25)
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  • Sr Principal Linux Systems

    Northrop Grumman (Boulder, CO)
    …include but not be limited to the following: + Perform as primary Linux Systems Administrator for a classified government contract. + Communicate effectively at ... verbal format. + Maintain smooth operation of multi-user computer systems , including coordination with network, software, and system...with Certification & Accreditation process and STIGs + Active Top Secret is preferred We offer flexible… more
    Northrop Grumman (12/12/25)
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  • Senior / Principal Windows System

    SciTec (Boulder, CO)
    …SciTec has an immediate opportunity for a talented Senior / Principal Windows System Administrator to join our team in Boulder, CO. Successful applicants ... 5+ years professional experience performing duties of a Windows system administrator + Strong knowledge of Microsoft...field, or equivalent experience + An active and transferable Secret clearance with ability to gain a TS more
    SciTec (11/19/25)
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