• Network Administrator Senior _TS/SCI…

    General Dynamics Information Technology (Springfield, VA)
    …provide expertise in the client's systems and objectives. **HOW A NETWORK ADMINISTRATOR SENIOR WILL MAKE AN IMPACT** + Manages the functionality and ... Required:** Yes **Job Description:** Transform technology into opportunity as a Network Administrator Senior with GDIT. A career in enterprise IT means… more
    General Dynamics Information Technology (06/26/25)
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  • Sr . Principal Linux Systems

    RTX Corporation (El Segundo, CA)
    …are eligible for a security clearance​ **Security Clearance:** TS/SCI with Polygraph ** Sr . Principal Linux Systems Administrator - El Segundo, CA -Must ... solves tough, meaningful problems that create a safer, more secure world. ** Sr Principal System Administrator ** in infrastructure Workplace Services, collaborate… more
    RTX Corporation (08/01/25)
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  • Sr Principal Systems

    Northrop Grumman (Aurora, CO)
    …to the warfighter. Come be a part of our mission. Northrop Grumman is seeking a ** Sr Principal Systems Administrator ** to join our team at our facility in ... RELOCATION ASSISTANCE: Relocation assistance may be available CLEARANCE TYPE: Polygraph TRAVEL: Yes, 25% of the Time **Description** At Northrop Grumman, our… more
    Northrop Grumman (06/12/25)
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  • Sr . Macintosh Systems

    CGI Technologies and Solutions, Inc. (Washington, DC)
    ** Sr . Macintosh Systems Administrator TS/SCI with Poly REQUIRED** **Category:** Project Management **Main location:** United States, District of Columbia, ... duties and responsibilities:** * Serve as a Macintosh (Mac) systems administrator and maintain responsibility for planning...successful in this role:** * Active TS/SCI clearance with Polygraph * 5+ years of experience supporting a desktop… more
    CGI Technologies and Solutions, Inc. (05/09/25)
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  • Sr . Associate, Systems Engineering…

    L3Harris (Offutt AFB, NE)
    …Job Title: Sr . Associate, Systems Engineering - RC-135 Computer Systems Administrator Job Code: 25897 Job Location: Offutt AFB, NE (On-Site) Job ... (Mission dependent) Job Description: L3Harris is seeking a Specialist, Systems Engineering RC-135 Computer Systems Administrator...obtain Top Secret with SCI Security Clearance and CI polygraph within the first year. . Must be able… more
    L3Harris (07/17/25)
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  • Sr . Staff VMware Systems

    Northrop Grumman (Annapolis Junction, MD)
    …your career. Northrop Grumman Mission Systems is seeking an extremely well-qualified Senior Lead VMWare Systems Administrator and subject matter expert ... our employees have incredible opportunities to work on revolutionary systems that impact people's lives around the world today,...be limited to the following: + Perform as consulting Senior Lead VMWare Administrator and subject matter… more
    Northrop Grumman (07/08/25)
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  • Sr Principal Windows Systems

    Northrop Grumman (Palmdale, CA)
    …Want You!** The Northrop Grumman Classified Solutions team is seeking a highly experienced ** Senior Windows Systems Administrator ** to join its dynamic team ... our employees have incredible opportunities to work on revolutionary systems that impact people's lives around the world today,...to the following: + Perform as a Windows System Administrator for a classified government contract. + Able to… more
    Northrop Grumman (07/09/25)
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  • Sr VMWare Systems

    Leidos (Alexandria, VA)
    …role requires an individual that is technical in VMware administration, providing senior -level support to other systems administrators on configuration best ... where you can thrive, keep reading!** **The Mission** Leidos is seeking a System Administrator to support a large enterprise IT contract for the DOD. This… more
    Leidos (07/29/25)
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  • Sr . Systems Administrator

    Leidos (Annapolis Junction, MD)
    …May possess a Doctorate in technical domain. + Must have ​experience as a systems administrator providing direct support to end users and technical staff ... **Description** **Leidos** has a new and exciting opportunity for a **System Administrator ** in our **National Security Sector's (NSS) Cyber & Analytics Business… more
    Leidos (07/23/25)
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  • Sr . Principal Linux System…

    RTX Corporation (Aurora, CO)
    …US citizens are eligible for a security clearance​ **Security Clearance:** TS/SCI with Polygraph ** Sr . Principal Linux System Administrator , Aurora, CO, must ... be supporting a Raytheon program in a classified environment as a Senior Principal Linux System Administrator . + Responsibilities include building, maintaining,… more
    RTX Corporation (07/19/25)
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  • Principal/ Sr . Principal Storage…

    Northrop Grumman (Linthicum Heights, MD)
    …your career. Northrop Grumman Mission Systems is seeking a highly experienced Senior Storage Administrator to join its Classified Solutions team in Annapolis ... our employees have incredible opportunities to work on revolutionary systems that impact people's lives around the world today,...candidate must agree to submit and successfully complete a polygraph examination as a condition to retain access to… more
    Northrop Grumman (06/14/25)
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  • Sr . Principal MS Exchange…

    Northrop Grumman (Linthicum Heights, MD)
    …Northrop Grumman Mission Systems is seeking an experienced MS Exchange Systems Administrator to join its Classified Solutions team. This position will ... our employees have incredible opportunities to work on revolutionary systems that impact people's lives around the world today,...candidate must agree to submit and successfully complete a polygraph examination as a condition to retain access to… more
    Northrop Grumman (06/14/25)
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  • Northrop Grumman (DoD SkillBridge) - Sr

    Northrop Grumman (Linthicum Heights, MD)
    …part of our mission! We are looking for you to join our team as an HPC Systems Administrator based out of Annapolis Junction or Linthicum, MD. As an HPC ... Systems Administrator at Northrop Grumman you will...scope poly **Preferred Qualifications** + Active TS/SCI with full-scope polygraph security clearance + IAT Level II certification +… more
    Northrop Grumman (05/28/25)
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  • Sr Application Middleware…

    DXC Technology (Columbia, SC)
    **Job Description:** We are seeking a highly skilled Senior Application\Middleware Engineer to join our team. The ideal candidate will possess a bachelor's degree in ... JBoss, SFTP, FTP, Dynatrace, IIS, Basic Server Administration . Senior Level Hands-on experience with Windows and Linux server...knowledge of ITL Process as it pertains to IT systems \support. . Indepth knowledge of Incident, Problem and Change… more
    DXC Technology (05/13/25)
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  • Senior Cloud Developer - TS/SCI…

    Stratus Solutions (Hanover, MD)
    …time working directly with AWS services and the underlying operating systems themselves, to efficiently improve security automations, aid collaboration efforts with ... This position offers the opportunity to use your existing infrastructure, IT, or systems engineering experience and apply it to solve problems with tools and… more
    Stratus Solutions (06/09/25)
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  • Senior Systems Administrator

    CACI International (Annapolis Junction, MD)
    Senior Systems Administrator Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS/SCI with Polygraph ... any processes related to these systems . The Senior Systems Administrator will Configure...to improve reliability and performance **Requirements:** + TS/SCI with polygraph clearance + 10 years experience as a SA… more
    CACI International (07/10/25)
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  • Senior Network Administrator

    BAE Systems (Huntsville, AL)
    …to support an important and dynamic Department of Justice customer as a ** Senior ** **Network Administrator ** supporting a highly capable and diverse team driving ... shall have demonstrated past performance of leading teams of personnel with Network Administrator skills. SNA shall have senior level engineering knowledge in… more
    BAE Systems (07/30/25)
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  • Systems Administrator

    BOOZ, ALLEN & HAMILTON, INC. (Arlington, VA)
    …chn ology supporting the Department of Defense ( DoD ) ? We're looking for a senior systems administrator who spe cia lizes in networking and working within ... solutions for the Defense and Intelligence communities. As a senior systems administrator on our...documentation + Active TS/SCI clearance; willingness to take a polygraph exam + HS diploma or GED + Security+… more
    BOOZ, ALLEN & HAMILTON, INC. (07/19/25)
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  • SAP NS2 Senior Cloud Engineer/…

    SAP (Herndon, VA)
    …and a variety of benefit options for you to choose from. **SAP NS2 Senior Cloud Engineer/ Systems Administrator - Onsite - Chantilly, VA** **Active ... TS SCI with Polygraph Required** **NS2 COMPANY DESCRIPTION** SAP is the global...internals must have manager's approval to transfer. The NS2 Senior Cloud Engineer/ Systems Administrator candidate… more
    SAP (07/22/25)
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  • Senior Linux Systems

    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...Clearance** : Must have an active Top Secret/SCI with Polygraph cssrc conmd Come break things (in a good… more
    Leidos (07/16/25)
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