• Sr. Principal Systems Administrator

    Northrop Grumman (Aurora, CO)
    …Northrop Grumman Space Systems (NGSP) seeks to fill a **Sr. Principal Systems Administrator ** supporting Integrated National Systems (INS) Business Unit ... be consider in lieu of a degree.** + **Current active TS/SCI security clearance required at the time of...+ Experience with NetApp storage + Perform as consulting Systems Administrator and subject matter expert for… more
    Northrop Grumman (10/30/25)
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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/or at least five (5) years of Windows and Linux systems administration experience. + Strong knowledge...virtualization concepts and products (VMware). + Knowledge of Microsoft Active Directory (AD) for user and groups. + Knowledge… more
    Paragon Cyber Solutions (10/11/25)
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  • Top Secret Systems Administrator…

    Insight Global (Louisville, CO)
    Job Description An aerospace company in Louisville, CO, is looking for a Top Secret Systems Administrator (Level 3) to join their growing classified IT team. In ... 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 (11/10/25)
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  • Systems Administrator Staff, Level 5…

    Lockheed Martin (Boulder, CO)
    …Position Summary The NGG program seeks a Systems Administrator to support the Operations ... team readiness for 24/7 operations **Basic Qualifications:** * Proficient with Windows and Linux operating systems * Proficient with RHEL * Ability to work… more
    Lockheed Martin (11/07/25)
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  • System Administrator

    KBR (Colorado Springs, CO)
    …critical role - protecting our national security. KBR, is seeking a highly motivated Systems Administrator to join us in supporting our great nation, supporting ... STIGs and SRGs + Excellent oral and written communication skills Desired: + Linux System Administrator + DevSecOps + Risk Management Framework implementation +… more
    KBR (08/22/25)
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  • IT Senior Systems Administrator

    Hensel Phelps (Greeley, CO)
    …extends throughout the life of the property. **Position Description:** The Senior Systems Engineer role is to ensure the efficient operation and security compliance ... of the company's data centers, Microsoft Azure systems , client and job centralized servers, databases, and equipment....CCNP and ITIL are required. + Strong system administration ( Linux /Unix and Windows) at the command-line level. + Hands-on… more
    Hensel Phelps (10/22/25)
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  • System Administrator IRES - Ssfb/HSV

    Amentum (Colorado Springs, CO)
    …accordance with established policies, procedures and service level agreements * Assist in Systems Administrator tasks as the mission requires * Develop and ... of 3 years direct/specialized experience in a computer operations environment performing systems administration in a Windows **or** Linux environment * Must… more
    Amentum (11/17/25)
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  • System Administrator

    DCCA (Denver, CO)
    …a competitive compensation and benefits package. Visit our website at: www.dcca.com System Administrator Candidates MUST have an active TS/SCI Clearance For over ... System Administrator Location Denver, CO Job Code 2454 #...+ System Deployment and configuration for RHEL7/8 and SuSE Linux + System security management using RMF and associated… more
    DCCA (09/22/25)
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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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  • Identity and Access Management System…

    Lockheed Martin (Schriever AFB, CO)
    …the deployment and maintenance of directory services, including Active Directory domain services/controllers, Certificate Authorities services, policy ... collaborate with a diverse team of technical professionals including software and systems engineers, architects, and our project engineering team\. \-As part of… more
    Lockheed Martin (09/20/25)
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