• Principal Systems

    V2X (Springfield, VA)
    …responsibility, and professionalism. We have a great opportunity for a Principal Systems Administrator - active TS /SCI clearance in Springfield, VA. The ... position will require US citizenship and an active DoD Top Secret /SCI clearance. The position requires the...to obtain and maintain a Counterintelligence (CI) Polygraph. The Principal Systems Administrator serves as… more
    V2X (08/22/25)
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  • Principal Systems

    Northrop Grumman (Wright Patterson AFB, OH)
    systems . **Basic Qualifications for a Principal Systems Administrator :** + Active Department of Defense Top Secret /Sensitive Compartmented ... RELOCATION ASSISTANCE: No relocation assistance available CLEARANCE TYPE: Top Secret TRAVEL: Yes, 10% of...history, they're making history. Northrop Grumman is seeking a Principal Systems Administrator to maintain… more
    Northrop Grumman (09/12/25)
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  • Principal Systems

    Northrop Grumman (Jacksonville, FL)
    …they're making history. Northrop Grumman Aeronautics Systems has an opening for Principal Systems Administrator to join our team of qualified, diverse ... our employees have incredible opportunities to work on revolutionary systems that impact people's lives around the world today,...in lieu of degree - Must have an active Top Secret /SCI clearance or higher (with a… more
    Northrop Grumman (09/13/25)
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  • Sr Principal Systems

    Northrop Grumman (Aurora, CO)
    …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 ... with 12 years of IT experience is required + **Candidate must have active/current Top Secret /SCI clearance with adjudicated Full Scope Polygraph at time of… more
    Northrop Grumman (09/11/25)
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  • Sr Principal Systems

    Northrop Grumman (Colorado Springs, CO)
    …and Missile Defense Systems has an exciting career opportunity for a Sr Principal Systems Administrator - Integration/CDS Engineer to join our team of ... RELOCATION ASSISTANCE: No relocation assistance available CLEARANCE TYPE: Top Secret TRAVEL: Yes, 10% of...our employees have incredible opportunities to work on revolutionary systems that impact people's lives around the world today,… more
    Northrop Grumman (08/27/25)
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  • Principal Windows Systems

    Northrop Grumman (Baltimore, MD)
    …Chief Information and Digital Office (CIDO) organization is seeking an experienced ** Principal ** **Windows Systems Administrator ** to join its dynamic ... RELOCATION ASSISTANCE: No relocation assistance available CLEARANCE TYPE: Top Secret TRAVEL: Yes, 10% of...limited to, the following:** + Perform as primary Windows Systems Administrator for a small to medium… more
    Northrop Grumman (09/11/25)
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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 ... lasting impactful results. Join our team as a **Linux Systems Administrator ** , where you'll provide crucial...Virtualization + **Security Clearance** : Must have an active Top Secret /SCI with Polygraph cssrc conmd Come… more
    Leidos (08/11/25)
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  • Principal Linux Systems

    Leidos (Annapolis Junction, MD)
    **Description** **Leidos** has a new and exciting opportunity for a Principal Linux Systems Administrator in our **National Security Sector's (NSS) Cyber & ... in National Security!** **Job Summary:** Leidos is seeking a Principal Linux Systems Administrator with...HCI, etc.) + **Clearance Required: Must have an active TS /SCI with Polygraph** **At Leidos, the opportunities are boundless.… more
    Leidos (07/31/25)
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  • Principal Cyber Systems

    Northrop Grumman (Augusta, GA)
    RELOCATION ASSISTANCE: Relocation assistance may be available CLEARANCE TYPE: Top Secret TRAVEL: Yes, 10% of the Time **Description** At Northrop Grumman, our ... IT experience is required. + US Citizenship + Active Top Secret / SCI security clearance to...Secret / SCI security clearance to be considered. TS /SCI clearance must be in place by the start… more
    Northrop Grumman (08/20/25)
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  • Principal /Sr. Principal

    Northrop Grumman (Aurora, CO)
    …of our mission. Northrop Grumman Space Systems (NGSP) seeks to fill a ** Principal or Sr. Principal ** **System Administrator ** in the Payload and Ground ... RELOCATION ASSISTANCE: Relocation assistance may be available CLEARANCE TYPE: Top Secret TRAVEL: Yes, 25% of the...VSAN design and implementation experience + Perform as consulting Systems Administrator and subject matter expert for… more
    Northrop Grumman (07/23/25)
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  • Principal /Sr. Principal

    Northrop Grumman (Eglin AFB, FL)
    RELOCATION ASSISTANCE: No relocation assistance available CLEARANCE TYPE: Top Secret TRAVEL: Yes, 10% of the Time **Description** At Northrop Grumman, our ... be a part of our mission. Northrop Grumman Space Systems is seeking a **System Administrator ** to...Administration development functions. + Basic Qualifications for Level 3 ( Principal ): + Associate's degree and 7 years of experience… more
    Northrop Grumman (08/08/25)
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  • Principal Systems

    Northrop Grumman (Aurora, CO)
    …your future and launch your career today. #definingpossible Northrop Grumman is seeking a Systems Administrator to join our team based in the Aurora, Colorado ... our employees have incredible opportunities to work on revolutionary systems that impact people's lives around the world today,...lieu of a degree. * Candidate must have active/current Top Secret /SCI clearance with adjudicated Polygraph at… more
    Northrop Grumman (09/03/25)
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  • Senior Principal Systems

    RTX Corporation (El Segundo, CA)
    …required, as only US citizens are eligible for a security clearance​ **Security Clearance:** Top Secret - Current At Raytheon, the foundation of everything we do ... Will Do** + We are seeking an experienced System Administrator that will be working in a highly collaborative,...years experience. + Active and transferable US government issued Top Secret security clearance is required prior… more
    RTX Corporation (08/22/25)
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  • Principal Systems

    RTX Corporation (Tucson, AZ)
    …only US citizens are eligible for a security clearance​ **Security Clearance:** DoD Clearance: Top Secret At Raytheon, the foundation of everything we do is ... world. **What You Will Do** : + Provide IT systems administration in a heterogeneous Microsoft Windows and Redhat...years experience. + Active and transferable US government issued Top Secret security clearance is required prior… more
    RTX Corporation (09/03/25)
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  • Principal Systems

    RTX Corporation (Tucson, AZ)
    …required, as only US citizens are eligible for a security clearance​ **Security Clearance:** Top Secret - Current At Raytheon, the foundation of everything we do ... field and minimum 3 years experience. + Active and transferable US government issued Top Secret security clearance is required prior to start date. US… more
    RTX Corporation (08/21/25)
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  • Senior Systems Administrator III…

    V2X (Springfield, VA)
    …to obtain and maintain a Counterintelligence (CI) Polygraph. Under the guidance of the Principal Systems Administrator , the Senior Systems ... professionalism. We are hiring a Senior Systems Administrator III Generalist - active TS /SCI clearance...The position requires US Citizenship and an active DoD Top Secret with SCI clearance and the… more
    V2X (09/05/25)
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  • Sr Principal Storage Systems

    Northrop Grumman (Melbourne, FL)
    …principles **Preferred Qualifications:** + Bachelor's degree in Information Technology + Active Top Secret , TS /SCI, Polygraph, or SAP/SAR access would ... Classified Solutions team is seeking a highly experienced **Storage Systems Administrator ** to join its dynamic team...have the ability to obtain, and maintain, a DOD ** Top Secret ** clearance as a condition of… more
    Northrop Grumman (09/04/25)
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  • Principal Linux Systems

    Northrop Grumman (Linthicum Heights, MD)
    …your career. Northrop Grumman Classified Solutions is seeking a well-qualified **Linux Systems Administrator ** to join its dynamic team of technical ... limited to the following: + Perform as primary Linux Systems Administrator for a classified government contract....system environments + Candidates must have a current DOD ** Top ** ** Secret ** levelsecurity clearance, to include **SCI… more
    Northrop Grumman (08/20/25)
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  • Principal Linux Systems

    RTX Corporation (El Segundo, CA)
    …tough, meaningful problems that create a safer, more secure world. ** Principal System Administrator ** in infrastructure Workplace Services, collaborates with ... as only US citizens are eligible for a security clearance​ **Security Clearance:** TS /SCI with CI Poly - Current At Raytheon, the foundation of everything we… more
    RTX Corporation (09/09/25)
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  • Sr Principal Linux Systems

    Northrop Grumman (Melbourne, FL)
    …You!** The Northrop Grumman Classified Solutions team is seeking a senior **Linux Systems Administrator ** to join its dynamic team of technical professionals. ... limited to the following: + Perform as primary Linux Systems Administrator for a classified government contract....: + Bachelor's degree in Information Technology + Active Top Secret clearance + A Linux+ or… more
    Northrop Grumman (08/08/25)
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