• Senior Systems Administrator

    Leidos (Aurora, CO)
    **Description** Leidos is seeking a highly skilled **Senior Systems Administrator ** to support mission-critical operations across various laboratory ... systems to address complex mission-specific challenges. The **Senior Systems Administrator ** will work in dynamic lab...considered in lieu of a degree. + An active TS / SCI with Poly security clearance. + At… more
    Leidos (06/11/25)
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  • Systems Administrator Technician…

    General Dynamics Information Technology (Aurora, CO)
    …ID:** RQ201167 **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 Technician with GDIT. A career...for this government client, all candidates **must hold a TS / SCI with Polygraph** . **GDIT IS YOUR… more
    General Dynamics Information Technology (06/17/25)
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  • Systems Administrator - User Profile…

    TekSynap (Denver, CO)
    …Agency's Solutions for the Information Technology Enterprise III (SITE III). Systems Administrator - User ProfileMgr maintainssmooth operation of multi-user ... to adjust focus. **WORK AUTHORIZATION/SECURITY CLEARANCE** Citizenship: US Citizenship Clearance requirement: TS / SCI , CI Poly **OTHER INFORMATION ** Please… more
    TekSynap (04/19/25)
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  • Systems Administrator - VDI/Images

    TekSynap (Denver, CO)
    …for the Information Technology Enterprise III (SITE III).The Systems Administrator - VDI/Images' primary duty involves monitoring,maintaining,operatingand ... focus. **WORK AUTHORIZATION/SECURITY CLEARANCE** + Citizenship: US Citizenship + Clearance requirement: TS / SCI , CI Poly **OTHER INFORMATION ** Please note… more
    TekSynap (05/06/25)
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  • Senior Systems Administrator

    Leidos (Aurora, CO)
    …efficiency through automation and process optimization. **What does Leidos need from me?** + Active Top Secret / SCI ( TS / SCI ) with Polygraph security ... Leidos National Security Sector is seeking a skilled Senior Systems Administrator to join a new cyber...and automation. + Apply security best practices to harden systems , protect sensitive data, and ensure compliance… more
    Leidos (03/31/25)
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  • Principal Linux Systems

    Leidos (Aurora, CO)
    …with LINUX, Windows and Virtualization + **Security Clearance** : Must have an active Top Secret / SCI with Polygraph cssrc conmd **Original Posting:** May 12, ... **Description** **Leidos** has a new and exciting opportunity for a **Principal Linux Systems Administrator ** in our **National Security Sector's (NSS) Cyber &… more
    Leidos (05/30/25)
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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 (06/13/25)
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  • Staff Systems Administrator

    Northrop Grumman (Aurora, CO)
    RELOCATION ASSISTANCE: Relocation assistance may be available CLEARANCE TYPE: Top Secret TRAVEL: Yes, 25% of the Time **Description** At Northrop Grumman, our ... consider in lieu of a degree. + Current active TS / SCI security clearance at time of application....VSAN design and implementation experience + Perform as consulting Systems Administrator and subject matter expert for… more
    Northrop Grumman (06/20/25)
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  • Principal Systems Administrator

    Northrop Grumman (Aurora, CO)
    …may be considered in lieu of a degree. * Candidate must have active/current Top Secret / SCI clearance with adjudicated Polygraph at time of application ... your career today. #definingpossible Northrop Grumman is seeking a Systems Administrator to join our team based...vendor products, services, and suggestions. * Adhere to strict Information Systems security guidelines in all cases.… more
    Northrop Grumman (06/05/25)
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  • Sr Principal Systems Administrator

    Northrop Grumman (Aurora, CO)
    …GED with 12 years of IT experience is required + **Candidate must have active/current Top Secret / SCI clearance with adjudicated Full Scope Polygraph at time ... our mission. Northrop Grumman is seeking a **Sr Principal Systems Administrator ** to join our team at...vendor products, services, and suggestions. + Adhere to strict Information Systems security guidelines in all cases.… more
    Northrop Grumman (06/12/25)
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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 (05/23/25)
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  • Systems Administrator Technician…

    General Dynamics Information Technology (Aurora, CO)
    …ID:** RQ197025 **Type of Requisition:** Regular **Clearance Level Must Be Able to Obtain:** Top Secret SCI + Polygraph **Public Trust/Other Required:** None ... **Job Family:** Systems Administration **Skills:** Computer Hardware, Information Systems...zero-tolerance policy for security violations. * Security Clearance Level: TS / SCI with Polygraph * Location: On Customer… more
    General Dynamics Information Technology (04/02/25)
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  • Help Desk Systems Administrator

    TekSynap (Denver, CO)
    …focus. **WORK AUTHORIZATION/SECURITY CLEARANCE** + Citizenship: US Citizenship + Clearance requirement: TS / SCI , CI Poly **OTHER INFORMATION ** Please note ... **Responsibilities & Qualifications** **RESPONSIBILITIES** The Help DeskSystems Administrator ​is expected tobe able to: + Uses... ​is expected tobe able to: + Uses automated information systems to analyze routine situations. +… more
    TekSynap (05/07/25)
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  • Systems Administrator , Junior

    Leidos (Aurora, CO)
    …scripting/automation techniques to improve IT workflows. **What does Leidos need from me?** + Active Top Secret / SCI ( TS / SCI ) with Polygraph security ... Division (MDS) within the Leidos National Security Sector is seeking a skilled Systems Administrator , Junior to join a new cyber security program and play a key… more
    Leidos (03/29/25)
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  • Principal Systems Administrator

    Leidos (Aurora, CO)
    …technical documentation, SOPs, and system diagrams. **What does Leidos need from me?** + Active Top Secret / SCI ( TS / SCI ) with Polygraph security ... (MDS) within the Leidos National Security Sector is seeking a skilled Principal Systems Administrator to join a new cyber security program and play a key role… more
    Leidos (03/29/25)
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  • Senior System Administrator

    CACI International (Denver, CO)
    …of activities to balance with your work life. More About This Role: As the Systems Administrator on this contract, you will be on an engineering team that ... Senior System Administrator Job Category: Information Technology Time...Time Type: Full time Minimum Clearance Required to Start: TS / SCI with Polygraph Employee Type: Regular Percentage… more
    CACI International (06/12/25)
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  • Principal Linux System Administrator

    RTX Corporation (Aurora, CO)
    …security clearance​ **Security Clearance:** TS / SCI with Polygraph **Principal Linux Systems Administrator Aurora, CO, 100% on site. Must have active ... TS / SCI CI Poly clearance, we offer relocation!**...Administrator .** + Responsibilities include building, maintaining, and securing Information Technology systems and directly supporting customer… more
    RTX Corporation (05/23/25)
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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 (05/13/25)
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  • Software/DevOps Engineer 3/4 (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 (05/14/25)
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  • Property Administrator - TS

    General Dynamics Information Technology (Aurora, CO)
    …ID:** RQ199044 **Type of Requisition:** Regular **Clearance Level Must Be Able to Obtain:** Top Secret SCI + Polygraph **Public Trust/Other Required:** None ... mission and optimize our business strategy as a Property Administrator at GDIT. Here, you'll support solving some of...systems , and network infrastructure. * Security Clearance Level: TS / SCI with Polygraph * Location: On Customer… more
    General Dynamics Information Technology (05/06/25)
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