• Senior Linux System Administrator

    GovCIO (Denver, CO)
    … Linux administration duties will be included in this role. + Senior -level RedHat Linux server administration experience, experience with other ... **Overview** GovCIO is currently hiring for an experienced Linux System Administrator with an active ...appropriate use of built-in functions and libraries + Advanced Linux System Administration , Configuration, and System Security… more
    GovCIO (08/08/25)
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  • Sr Principal Sys Admin - Identity…

    Northrop Grumman (Colorado Springs, CO)
    …Systems-Launch and Missile Defense Systems presents an excellent opportunity for a Sr Principal Systems Administrator - Identity & Access Mgmt Systems Administrator ... deploying and maintaining all types of directory services, including Active Directory Domain Services/controllers, Certificate Authority services, policy tracking… more
    Northrop Grumman (09/13/25)
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  • Sr . Principal Linux System…

    RTX Corporation (Aurora, CO)
    …be supporting a Raytheon program in a classified environment as a Senior Principal Linux System Administrator. + Responsibilities include building, maintaining, ... Type:** Onsite **U.S. Citizen, US Person, or Immigration Status Requirements:** Active and transferable US government issued security clearance is required prior… more
    RTX Corporation (07/19/25)
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  • Cyber and IT Automation Engineer Sr

    Lockheed Martin (Littleton, CO)
    …networks\. The successful candidate will have experience or knowledge with NetApp, Microsoft Active Directory or Windows/ Linux Administration as well as with ... is seeking a Full\-Time Cyber and IT Automation Engineer Sr \. In the role you will gain cross\-BA experience...**Basic Qualifications:** \- Experience or knowledge with NetApp, Microsoft Active Directory or Windows/ Linux administration … more
    Lockheed Martin (09/13/25)
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  • Sr Principal Systems Administrator

    Northrop Grumman (Aurora, CO)
    …with adjudicated Full Scope Polygraph at time of application** + Must have server administration experience with Linux (RedHat Enterprise Linux is preferred) ... part of our mission. Northrop Grumman is seeking a ** Sr Principal Systems Administrator** to join our team at...+ 10+ years of experience with Red Hat Enterprise Linux (RHEL) server administration in an SCI… more
    Northrop Grumman (09/11/25)
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  • Sr Principal Software Engineer - (RA)…

    Northrop Grumman (Colorado Springs, CO)
    …Systems-Launch and Missile Defense Systems have an exciting career opportunity for a Sr Principal Software Engineer (RA) to join our team of experienced and diverse ... up-to 10% to support business needs + Applicants must have a current, active in-scope DoD-issued **Secret** security clearance at the time of application, which is… more
    Northrop Grumman (09/06/25)
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  • Principal/ Sr Principal Engineer Sys - PKI…

    Northrop Grumman (Colorado Springs, CO)
    …and Missile Defense Systems presents an excellent opportunity for a Principal or Sr Principal Engineer Systems - PKI Engineer (25-418) to join our team of ... have extensive experience managing and maintaining PKI environments and Active Directory Certificate Services + Will collaborate with architecture, engineering,… more
    Northrop Grumman (09/13/25)
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  • Sr Principal Network Engineer

    Northrop Grumman (Aurora, CO)
    …of our mission! Northrop Grumman Space Systems (NGSP) seeks to fill a ** Senior Principal Network Engineer** in the Payload and Ground Systems Division Engineering ... of experience may be considered in lieu of a degree requirement. + ** Active TS/SCI with an adjudicated full-scope polygraph at time of application.** + Candidates… more
    Northrop Grumman (09/16/25)
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  • Secret Sr Systems Engineer

    Insight Global (Colorado Springs, CO)
    …years (Degree can be substituted for additional YOEs) Experience with Windows and Linux Engineering + Administration - primarily in virtual environment with ... (RHEL) 8 Server operating systems and domain services. Design and manage Active Directory (AD), Group Policy Objects (GPOs), and access control policies. Create,… more
    Insight Global (09/20/25)
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  • Senior System Administrator

    CACI International (Aurora, CO)
    … linux -based virtual server environments + Hands-on working knowledge of RedHat linux systems + Responsible for pro- active systems monitoring and evaluation ... Senior System Administrator Job Category: Information Technology Time...Posting End: 12/16/2025 CACI is seeking **Systems Administrators** with Linux Infrastructure experience to manage and maintain mission-critical operational… more
    CACI International (09/03/25)
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