• 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 ... security, and providing technical support to internal users. The Systems Administrator will work closely with the...for IT products and services. Qualifications: + Clearance Requirement: TS / SCI CI Poly + Education/Experience: 2 years… more
    Infinity Systems Engineering (12/05/25)
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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 ... and manage virtual workstations and servers using VMWare. The Systems Administrator analyzes, evaluates, and proposes recommendations...Job Requirements** * Must possess a clearance at the TS / SCI access level, and have favorably completed… more
    Fluor (10/29/25)
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  • Senior Linux Systems Administrator

    Leidos (Aurora, CO)
    …with LINUX, Windows and Virtualization + **Security Clearance** : Must have an active Top Secret / SCI with Polygraph cssrc conmd At Leidos, we don't ... **Leidos** has a new and exciting opportunity for a **Senior Linux Systems Administrator ** in our **Intelligence Sector,** **Cyber & Analytics Business… more
    Leidos (01/06/26)
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  • Principal Linux Systems

    Northrop Grumman (Aurora, CO)
    information system environments + Candidates must have a current DOD ** Top ** ** Secret / SCI ** levelsecurity clearance, to include a recent **Polygraph** ... Grumman Classified Solutions team is seeking an experienced **Linux Systems Administrator ** to join its dynamic team...vendor products, services, and suggestions. + Adhere to strict Information Systems security guidelines in all cases.… more
    Northrop Grumman (11/11/25)
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  • Systems Administrator II

    DCCA (Aurora, CO)
    …our website at: www.dcca.com System Administrator II (Linux) Candidate must have an active TS / SCI w/ Poly For over 40 years, DCCA has provided a broad range ... Systems Administrator II Location Aurora, CO...Requirements: Provides support for implementation, troubleshooting, and maintenance of Information Technology (IT) systems . Manages IT system… more
    DCCA (11/21/25)
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  • Systems Administrator Level 2

    Northrop Grumman (Aurora, CO)
    …GED with 6 years of IT experience is required + **Candidate must have active/current Top Secret / SCI clearance with adjudicated Full Scope Polygraph at time ... part of our mission. Northrop Grumman is seeking a ** Systems Administrator ** **Level 2** to join our...classified networked and standalone computers as directed by the Information Systems Security Manager (ISSM). + Support… more
    Northrop Grumman (10/22/25)
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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 ... consider in lieu of a degree.** + **Current active TS / SCI security clearance required at the time...hardware, software, and system components. + Adhere to strict Information Systems security guidelines in all cases… more
    Northrop Grumman (11/27/25)
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  • Systems Administrator (Level 2 or 3)

    Northrop Grumman (Aurora, CO)
    …making history. Northrop Grumman Space Systems (NGSP) seeks to fill a ** Systems Administrator (Level 2 or 3)** supporting the Integrated National Systems ... classified networked and standalone computers as directed by the Information Systems Security Manager (ISSM). + Support...Master's degree with 3+ years of experience + **Active TS / SCI clearance with CI Poly required at… more
    Northrop Grumman (11/06/25)
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  • Systems Administrator 3 - Helpdesk…

    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 ... Defense Integration offers an excellent opportunity for a Principal Systems Administrator -Helpdesk Sys Admin (25-571) to join...+ Applicants must have a current, active in-scope DoD-issued ** Top Secret ** security clearance at the time… more
    Northrop Grumman (12/05/25)
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  • Systems Administrator Technician…

    General Dynamics Information Technology (Aurora, CO)
    …ID:** RQ211941 **Type of Requisition:** Regular **Clearance Level Must Be Able to Obtain:** Top Secret SCI + Polygraph **Public Trust/Other Required:** None ... **Job Family:** IT Infrastructure and Operations **Skills:** Computer Hardware, Information Systems , Information Technology (IT) Systems more
    General Dynamics Information Technology (12/24/25)
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  • Senior Systems Administrator

    ISYS Technologies (Colorado Springs, CO)
    …Essential Requirements: US Citizenship is required and must be only citizenship held Active Secret clearance; ability to obtain TS / SCI Dual citizenship will ... of our government customers. I2X Technologies is seeking a Systems Administrator to support ongoing activities for...position will be on-site and will require an active Secret clearance, Top Secret preferred.… more
    ISYS Technologies (12/09/25)
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  • Systems Administrator 4 (25-351)

    Northrop Grumman (Colorado Springs, CO)
    …tools **Preferred Qualifications:** . Script experience a plus . Having a Top Secret security clearance with an MDA-based SCI is a plus . Experience with ... RELOCATION ASSISTANCE: No relocation assistance available CLEARANCE TYPE: Top Secret TRAVEL: Yes, 10% of... offers an excellent opportunity for a Sr Principal Systems Administrator - Integration/CDS Engineer (25-351) to… more
    Northrop Grumman (11/04/25)
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  • GCCS Systems Administrator

    Paragon Cyber Solutions (Colorado Springs, CO)
    …Strategic Command (USSTRATCOM) and US Air Force Space Command (AFSPC) missions. Clearance: Top Secret Security Clearance with SCI Eligibility Travel ... ready for an exciting and dynamic career as a Systems Administrator to join other smart, talented,...currently have and be able to maintain a DoD Top Secret Security Clearance with SCI more
    Paragon Cyber Solutions (10/11/25)
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  • System Administrator Associate_TS/…

    General Dynamics Information Technology (Aurora, CO)
    …ID:** RQ198811 **Type of Requisition:** Regular **Clearance Level Must Be Able to Obtain:** Top Secret SCI + Polygraph **Public Trust/Other Required:** None ... Yes **Job Description:** Transform technology into opportunity as a Systems Administrator Associate with GDIT. A career...equipment, and ITIL best practices * Security Clearance Level: TS / SCI with Polygraph * Required Skills and… more
    General Dynamics Information Technology (10/31/25)
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  • Principal Linux Systems

    RTX Corporation (Aurora, CO)
    …required, as only US citizens are eligible for a security clearance​ **Security Clearance:** TS / SCI with CI Poly - Current At Raytheon, the foundation of ... in Aurora, CO.** Responsibilities include building, maintaining, and securing Information Technology systems and directly supporting customer mission-critical… more
    RTX Corporation (12/29/25)
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  • System Administrator

    KBR (Colorado Springs, CO)
    …Standard Qualifications: Required: + Security Clearance: Must have an active US government Top Secret / SCI security clearance, which is something only a ... critical role - protecting our national security. KBR, is seeking a highly motivated Systems Administrator to join us in supporting our great nation, supporting… more
    KBR (11/20/25)
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  • Associate System Administrator

    Lockheed Martin (Littleton, CO)
    …security clearance, you must be a US Citizen for consideration\. **Clearance Level:** Top Secret **Other Important Information You Should Know** **Expression ... scripting Security Clearance: Must have the ability to obtain TS / SCI Clearance to be considered for this...team environment * CompTIA Linux\+ or Red Hat Certified Systems Administrator Certification * Ability to provide… more
    Lockheed Martin (12/18/25)
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  • Production Service Systems

    Oracle (Denver, CO)
    …Cloud environment. Provide on-call support, on a rotating basis. + **US Government TS / SCI with Polygraph** + **U.S. Citizenship- Federal Government customer** + ... Description** Responsible for the operation of production environments, including systems and databases, supporting critical business operations. Will perform… more
    Oracle (01/06/26)
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  • System Administrator

    Parsons Corporation (Colorado Springs, CO)
    …experience + Top Secret ( TS ) security clearance with eligibility for Secret Compartmented Information ( SCI ) + Willingness to submit to a ... of Defense (DoD) agencies. The position will provide "day-to-day" support for Collateral, Sensitive Compartmented Information ( SCI ) and Special Access… more
    Parsons Corporation (11/14/25)
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  • Staff Engineer Software (Active TS

    Northrop Grumman (Aurora, CO)
    …An additional 4 years of experience can be considered in lieu of degree + **Active Top Secret / SCI security clearance required at time of application with a ... RELOCATION ASSISTANCE: Relocation assistance may be available CLEARANCE TYPE: Top Secret TRAVEL: Yes, 10% of the Time **Description** At Northrop Grumman, our… more
    Northrop Grumman (11/11/25)
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