• 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. ... **Job Description** **US CITIZENSHIP REQUIRED** BAE Systems Space and Mission Systems is seeking an experienced Linux System Administrator that will support… more
    BAE Systems (09/09/25)
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  • 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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  • 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 ... maintaining our IT infrastructure to ensure optimal performance and security. As a Systems Administrator on our team, you have the chance to design and maintain … more
    BOOZ, ALLEN & HAMILTON, INC. (10/07/25)
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  • Linux Systems Administrator II

    Epsilon, Inc (Lakewood, CO)
    **Linux Systems Administrator II** **Epsilon is now part of AMERICAN SYSTEMS !** We are pleased to announce Epsilon, Inc. has joined AMERICAN SYSTEMS . ... Solution Architecture, and Project Management. **An average day:** As Linux Systems Administrator II, you will support the reliability, security, and performance… more
    Epsilon, Inc (10/09/25)
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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 (09/18/25)
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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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  • 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 & ... with lasting impactful results. Join our team as a **Linux Systems Administrator ** , where you'll provide crucial support for the implementation,… more
    Leidos (08/11/25)
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  • Systems Administrator , Mid

    BOOZ, ALLEN & HAMILTON, INC. (Aurora, CO)
    Systems Administrator , Mid The Opportunity : What if you could use your hardware and sof tware skills to improve the technology supporting the intelligence ... community ( IC ) ? With so much relying on complex systems , a skilled systems administrator can be the difference that makes a project successful. We're… more
    BOOZ, ALLEN & HAMILTON, INC. (10/03/25)
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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 (07/30/25)
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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... Systems (NGSP) seeks to fill a **System Administrator ** in the Payload and Ground Systems more
    Northrop Grumman (09/26/25)
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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 (09/23/25)
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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 (08/22/25)
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  • Sr Principal Systems Administrator

    Northrop Grumman (Aurora, CO)
    …Come be a part of our mission. Northrop Grumman is seeking a **Sr Principal Systems Administrator ** to join our team at our facility in Aurora, Colorado. **Job ... 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 (09/11/25)
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  • Systems Administrator III

    TEKsystems (Greenwood Village, CO)
    Systems Administrator - Operations Focus Overview: We're looking for an experienced Systems Administrator to join a team focused on maintaining and ... and proactive issue resolution across servers, networks, and operating systems . What You'll Do: + Install and upgrade software...+ Manage and respond to support tickets. + Monitor systems to ensure uptime and performance. + Maintain operational… more
    TEKsystems (10/03/25)
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  • Systems Administrator (Level 2)

    Lockheed Martin (Boulder, CO)
    …while quickly adapting to ever\-changing customer requirements? The NGG program is seeking a Systems Administrator to join the team in Boulder, CO\. As a System ... Administrator for the NGG O&S Team, you will \(to...is considered a plus * Demonstrated behaviors of a systems thinker; selects and applies appropriate systems more
    Lockheed Martin (09/27/25)
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  • Systems Administrator III

    Insight Global (Greenwood Village, CO)
    Job Description Insight Global is seeking a highly skilled Systems Administrator to join one of our top clients in Greenwood Village. This role will play a key ... * 5+ years working with UCS. * 5+ years as a Windows Systems Administrator . *Strong ability to work independently in a self-managed role. * Comfortable adapting… more
    Insight Global (10/04/25)
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  • Sr Principal Linux Systems

    Northrop Grumman (Boulder, CO)
    …include but not be limited to the following: + Perform as primary Linux Systems Administrator for a classified government contract. + Communicate effectively at ... 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 (10/09/25)
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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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  • Systems Administrator Technician…

    General Dynamics Information Technology (Aurora, CO)
    …we can't turn into opportunity. At GDIT, people are our differentiator. Our ** Systems Administrator Technician** supports and manages the responsibilities of the ... of all tasks in assigned projects. The primary responsibilities of our Systems Technicians are to maintain computers, voice, video, network, and server hardware… more
    General Dynamics Information Technology (09/10/25)
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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 (10/07/25)
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