• Omnissa Horizon and Citrix Systems

    BAE Systems (Westminster, CO)
    …real We Protect Those That Protect Us. We are seeking a Principal Systems Administrator with extensive experience designing, securing and maintaining Omnissa ... with Citrix Virtual Apps and ADC s is also a plus. The Systems Administrator will be expected to team with peers, internal customers, and management to… more
    BAE Systems (09/09/25)
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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 & ... difference in National** **Security!** Join our team as a **Linux Systems Administrator ** , where you'll provide crucial support for the implementation,… more
    Leidos (10/09/25)
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  • Systems Administrator Technician…

    General Dynamics Information Technology (Aurora, CO)
    …Citizenship Required:** Yes **Job Description:** Transform technology into opportunity as a Systems Administrator Technician with GDIT. A career in enterprise IT ... improving how agencies operate. At GDIT, people are our differentiator. As a Systems Administrator Technician you will help ensure today is safe and tomorrow is… more
    General Dynamics Information Technology (09/16/25)
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  • Systems Administrator (TS/SCI…

    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 (10/29/25)
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  • Systems Administrator

    ISYS Technologies (Schriever AFB, CO)
    …the space initiatives of our government customers. I2X Technologies is seeking a Systems Administrator to support ongoing activities for a customer in Colorado ... Top Secret preferred. + Maintain smooth operation of multi-user computer systems , including coordination with network administrators + Responsible for administration… more
    ISYS Technologies (10/22/25)
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  • Systems Administrator II

    DCCA (Aurora, CO)
    Systems Administrator II Location Aurora, CO Job Code 2055 # of Openings 1 Apply Now ... a competitive compensation and benefits package. Visit our website at: www.dcca.com System Administrator II (Linux) Candidate must have an active TS/SCI w/ Poly For… more
    DCCA (11/21/25)
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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. ... not be limited to the following: + Perform as primary Linux Systems Administrator for a classified government contract. + Communicate effectively at all levels… more
    Northrop Grumman (11/11/25)
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  • 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 ... experience + Experience with NetApp storage + Perform as consulting Systems Administrator and subject matter expert for classified government contracts. + Obtain… more
    Northrop Grumman (10/30/25)
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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 ... our employees have incredible opportunities to work on revolutionary systems that impact people's lives around the world today,...Duties:** + Perform as a Linux and Windows System Administrator and able to build these environments from scratch.… more
    Northrop Grumman (11/06/25)
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  • Systems Administrator Level 2

    Northrop Grumman (Aurora, CO)
    …to the warfighter. Come be a part of our mission. Northrop Grumman is seeking a ** Systems Administrator ** **Level 2** to join our team at our facility in Aurora, ... Northrop Grumman, our employees have incredible opportunities to work on revolutionary systems that impact people's lives around the world today, and for generations… more
    Northrop Grumman (10/22/25)
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  • Principal/Sr. Principal Systems

    Northrop Grumman (Colorado Springs, CO)
    …making history. Northrop Grumman Space Systems is seeking a **Principal Systems Administrator ** to join the Deep Space Advanced Radar Capability (DARC) ... our employees have incredible opportunities to work on revolutionary systems that impact people's lives around the world today,...ability to extend.** As the DARC Early Use System Administrator you will get to: + Power up, configure,… more
    Northrop Grumman (11/04/25)
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  • Computer Systems Administrator

    KBR (Colorado Springs, CO)
    Title: Computer Systems Administrator KBR is seeking a Computer Systems Administrator to support HQ Space Training and Readiness Command located in ... Support and resolve issues within PWS-specified timelines. + Provide systems accounts for NIPRNet and SIPRNET and systems... systems accounts for NIPRNet and SIPRNET and systems support. + Set up or modify user access… more
    KBR (11/18/25)
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  • ServiceNow Systems Administrator

    Robert Half Technology (Greeley, CO)
    Description We are looking for a skilled ServiceNow Systems Administrator to join our team on a long-term contract basis. In this role, you will be responsible ... promptly. * Support and oversee integrations between ServiceNow and other enterprise systems . * Provide mentorship to entry level team members and guide… more
    Robert Half Technology (11/20/25)
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  • Systems Administrator 4 (25-351)

    Northrop Grumman (Colorado Springs, CO)
    …Missile Defense Systems offers an excellent opportunity for a Sr Principal Systems Administrator - Integration/CDS Engineer (25-351) to join our team of ... Northrop Grumman, our employees have incredible opportunities to work on revolutionary systems that impact people's lives around the world today, and for generations… more
    Northrop Grumman (11/04/25)
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  • Senior Network/ Systems

    GovCIO (Denver, CO)
    **Overview** GovCIO is currently hiring for a Senior Network/ Systems Administrator with an active Secret clearance. This position will be located in Sterling, VA ... $112,500.00 /Yr. Submit a referral to this job (https://careers-govcio.icims.com/jobs/4892/senior-network- systems - administrator /job?mode=apply&apply=yes&in\_iframe=1&hashed=-1834385473) **Location** _US-Remote_ **ID** _2024-4892_ **Category**… more
    GovCIO (10/08/25)
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  • Linux Unix Systems Administrator

    Lumen (Denver, CO)
    …digitally connect the world and shape the future. **The Role** As the Linux/Unix Systems Administrator , you will be responsible for managing and maintaining the ... Voice Core Engineering and Test Teams' Linux and Unix-based systems . Your primary focus will be on ensuring the...on ensuring the stability, security, and performance of these systems to support the Team. You'll provide technical expertise… more
    Lumen (11/22/25)
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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 ... + Configuration and implementation of the SEWS GCCS-J software and systems , GCCS-J courseware development, providing SEWS specific GCCS-J Operator training to… more
    Paragon Cyber Solutions (10/11/25)
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  • Systems Administrator

    Robert Half Technology (Genesee, CO)
    Description We are looking for a skilled Systems Administrator to join our non-profit organization in Denver, Colorado. This role is integral to maintaining and ... optimizing IT infrastructure, encompassing both on-premise and cloud-based systems . The ideal candidate will leverage their expertise to ensure system performance,… more
    Robert Half Technology (10/28/25)
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  • TSSCI Systems Administrator (Level…

    Insight Global (Louisville, CO)
    Job Description An aerospace company in Louisville, CO, is looking for a Top Secret Systems Administrator (Level 2) to join their growing classified IT team. In ... You will be responsible for provisioning, installation and configuration, and maintenance of systems hardware and software. Their environment is a mix of Windows and… more
    Insight Global (11/22/25)
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  • Project Systems Specialist - Unifier…

    Jacobs (Denver, CO)
    Jacobs Engineering is seeking a highly motivated Project Systems Specialist - Unifier Administrator to join our Project Controls and Technology team. In this ... engineering and construction programs through digital innovation. As an experienced Unifier Administrator and support you will have the ability to share new ideas… more
    Jacobs (09/30/25)
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