• Cleared IT Systems Administrator…

    BAE Systems (Broomfield, CO)
    …be available based on position level and/or job specifics. **Cleared IT Systems Administrator Senior** **115020BR** EEO Career Site Equal Opportunity Employer. ... CITIZENSHIP REQUIRED** BAE Systems Space and Mission Systems is seeking an experienced Linux System Administrator...of Education, US Department of Education. + A current TS /SCI Security and CI polygraph is required. + Ability… more
    BAE Systems (09/09/25)
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  • Systems Administrator

    BOOZ, ALLEN & HAMILTON, INC. (Aurora, CO)
    Systems Administrator The Opportunity: Are you looking for an opportunity to combine your technical skills with big picture thinking to make an impact at Booz ... infrastructure to ensure optimal performance and security. As a Systems Administrator on our team, you have...ongoing maintenance of Windows servers within classified networks + TS /SCI clearance with a polygraph + Bachelor's degree and… more
    BOOZ, ALLEN & HAMILTON, INC. (10/07/25)
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  • Systems Administrator Technician…

    General Dynamics Information Technology (Aurora, CO)
    …RQ201167 **Type of Requisition:** Regular **Clearance Level Must Be Able to Obtain:** Top Secret SCI + Polygraph **Public Trust/Other Required:** None **Job ... Yes **Job Description:** Transform technology into opportunity as a Systems Administrator Technician with GDIT. A career...for this government client, all candidates **must hold a TS /SCI with Polygraph** . **GDIT IS YOUR PLACE:** *… more
    General Dynamics Information Technology (09/16/25)
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  • Principal Linux Systems…

    Leidos (Aurora, CO)
    **Description** **Leidos** has a new and exciting opportunity for a **Principal Linux Systems Administrator ** in our **National Security Sector's (NSS) Cyber & ... lasting impactful results. 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 Come… more
    Leidos (08/11/25)
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  • Systems Administrator ( TS…

    Fluor (Aurora, CO)
    …access level, and have favorably completed a government issued polygraph The Systems Administrator is highly knowledgeable within designated Industrial Control ... are met and manage virtual workstations and servers using VMWare. The Systems Administrator analyzes, evaluates, and proposes recommendations on innovative… more
    Fluor (07/30/25)
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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 (09/18/25)
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  • Systems Administrator , Mid

    BOOZ, ALLEN & HAMILTON, INC. (Aurora, CO)
    Systems Administrator , Mid The Opportunity : What if...12 hours a day outside of normal work hours + TS /SCI clearance with a polygraph + HS diploma or GED ... IC ) ? With so much relying on complex systems , a skilled systems administrator ...meet eligibility requirements for access to classified information ; TS /SCI clearance with polygraph is required. Compensation At Booz… more
    BOOZ, ALLEN & HAMILTON, INC. (10/03/25)
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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....system environments + Candidates must have a current DOD ** Top ** ** Secret /SCI** levelsecurity clearance, to include a… more
    Northrop Grumman (09/23/25)
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  • Systems Administrator

    Northrop Grumman (Aurora, CO)
    …implementation experience + Experience with NetApp storage + Perform as consulting Systems Administrator and subject matter expert for classified government ... part of history, they're making history. Northrop Grumman Space Systems (NGSP) seeks to fill a **System Administrator...consider in lieu of a degree.** + **Current active TS /SCI security clearance required at the time of application… more
    Northrop Grumman (09/26/25)
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  • Systems Administrator II

    DCCA (Aurora, CO)
    Systems Administrator II Location Aurora, CO...Administrator II (Linux) Candidate must have an active TS /SCI w/ Poly For over 40 years, DCCA has ... support for implementation, troubleshooting, and maintenance of Information Technology (IT) systems . Manages IT system infrastructure and any processes related to… more
    DCCA (08/22/25)
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