• Principal Systems

    BAE Systems (Merrimack, NH)
    …Other incentives may be available based on position level and/or job specifics. ** Principal Systems Administrator ** **113660BR** EEO Career Site Equal ... Systems is seeking a highly trained and motivated Principal Closed Area Systems Administrator ...8570 IAT Level II certification + Active US Government Top Secret Clearance with ability to obtain… more
    BAE Systems (06/19/25)
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  • Sr. Principal Systems

    RTX Corporation (Woburn, MA)
    …for a security clearance​ **Security Clearance:** DoD Clearance: Secret **Sr. Principal Systems Administrator , Storage & Data Protection, (SME) Woburn, ... to solve complex DT infrastructure problems. As a Senior Principal level System Administrator , this role will...environment concepts. + CISSP Certification + Active US DoD Top - Secret Clearance **What We Offer** **:** +… more
    RTX Corporation (07/04/25)
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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 (06/12/25)
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  • Principal Systems

    RTX Corporation (Tucson, AZ)
    …US citizens are eligible for a security clearance​ **Security Clearance:** DoD Clearance: Secret ** Principal Systems Administrator - 100% onsite, Tucson, ... our systems and support IT infrastructures around the world. ** Principal System** **Administrators,** internally known as Principal Analyst, infrastructure… more
    RTX Corporation (06/26/25)
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  • Principal Systems

    ManTech (Arlington, VA)
    ManTech seeks a motivated, career and customer-oriented ** Principal Systems Administrator ** to join our team in **Pentagon, VA.** The position is **onsite.** ... software, network, and application issues + Manage and maintain computer systems , servers, and other IT infrastructure, ensuring optimal performance and security… more
    ManTech (05/24/25)
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  • Principal Systems

    RTX Corporation (Woburn, MA)
    …only US citizens are eligible for a security clearance​ **Security Clearance:** DoD Clearance: Secret ** Principal Systems Administrator , Storage & Data ... meaningful problems that create a safer, more secure world. ** Principal System Administrators** collaborate with a motivated team to...environment concepts. + CISSP Certification + Active US DoD Top - Secret Clearance **What We Offer:** + Our… more
    RTX Corporation (07/04/25)
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  • Principal Systems

    Northrop Grumman (Colorado Springs, CO)
    …-Launch and Missile Defense Systems is offering an exciting opportunity for a Principal Systems Administrator (25-292) to join our team of skilled and ... 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 (07/11/25)
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  • Linux Systems Administrator

    Northrop Grumman (Wright Patterson AFB, OH)
    …and problem-solving skills **Basic Qualifications for a Principal Systems Administrator ** : + Active Department of Defense Top Secret /Sensitive ... Northrop Grumman is seeking a Linux Systems Administrator / Principal Systems Administrator ... Administrator :** + Active Department of Defense Top Secret /Sensitive Compartmented Information security clearance +… more
    Northrop Grumman (07/03/25)
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  • Linux Systems Administrator

    Northrop Grumman (Wright Patterson AFB, OH)
    …US citizenship with an active TS /SCI clearance **Basic Qualifications for a Principal Systems Administrator :** + Bachelor's degree in a Science, ... only part of history, they're making history. Northrop Grumman is seeking a Linux Systems Administrator to maintain and enhance Linux Systems and… more
    Northrop Grumman (05/29/25)
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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 **Original… more
    Leidos (05/13/25)
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  • Linux Principal Windows Systems

    Serco (Kirtland AFB, NM)
    **Position Description** Serco is seeking a Linux Principal Windows Systems Administrator to join our team supporting the Defense Systems sector at ... other legally protected characteristics. Click here to apply now (https://careers-sercous.icims.com/jobs/69556/linux- principal -windows- systems - administrator /job?mode=apply&apply=yes&in\_iframe=1&hashed=-1834477830) **New to Serco?** Join… more
    Serco (05/17/25)
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  • Sr Principal Windows Systems

    Northrop Grumman (Dulles, VA)
    …Information and Digital Office (CIDO) organization is seeking a highly experienced **Senior Principal Windows Systems Administrator ** to join its dynamic ... our employees have incredible opportunities to work on revolutionary systems that impact people's lives around the world today,...and permissions + Candidates must have a current DOD ** Top ** ** Secret /SCI** level security clearance (at a… more
    Northrop Grumman (07/11/25)
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  • Principal Cyber Systems

    Northrop Grumman (Tampa, FL)
    …best work of your career. We are looking for you to join our team as a Principal Cyber Systems Administrator based out of Tampa, FL. _Please Note:_ + _Due ... 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 (06/20/25)
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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 (06/05/25)
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  • Sr Principal Windows Systems

    Northrop Grumman (Palmdale, CA)
    …permissions **Preferred Qualifications** : + Bachelor's degree in Information Technology + Active Top Secret , TS /SCI, Polygraph, or SAP/SAR access would be ... RELOCATION ASSISTANCE: No relocation assistance available CLEARANCE TYPE: Top Secret TRAVEL: Yes, 10% of...Solutions team is seeking a highly experienced **Senior Windows Systems Administrator ** to join its dynamic team… more
    Northrop Grumman (07/09/25)
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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 (05/21/25)
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  • Principal Linux Systems

    Northrop Grumman (Melbourne, FL)
    …The Northrop Grumman Classified Solutions team is seeking an experienced **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....have the ability to obtain, and maintain, a DOD ** Top Secret ** level security clearance as a… more
    Northrop Grumman (07/08/25)
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  • Sr. Principal VMware Systems

    Northrop Grumman (Annapolis Junction, MD)
    RELOCATION ASSISTANCE: Relocation assistance may be available CLEARANCE TYPE: Top Secret TRAVEL: Yes, 10% of the Time **Description** At Northrop Grumman, our ... Mission Systems is seeking an expert VMWare systems administrator to join its dynamic team...Access Requirements:_ + Candidates must have a current DoD ** Top ** ** Secret ** level security clearance (adjudicated within… more
    Northrop Grumman (07/08/25)
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  • Principal Windows Systems

    Northrop Grumman (Redondo Beach, CA)
    RELOCATION ASSISTANCE: Relocation assistance may be available CLEARANCE TYPE: Top Secret TRAVEL: Yes, 10% of the Time **Description** At Northrop Grumman, our ... your career. Northrop Grumman is seeking a well-qualified Windows Systems Administrator to join its dynamic team...continued employment + Candidates must have a current DOD Top Secret level security clearance (at a… more
    Northrop Grumman (07/18/25)
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  • Principal Linux Systems

    Northrop Grumman (Linthicum Heights, MD)
    …include but not be limited to the following: + Perform as primary Linux Systems Administrator for a classified government contract. + Communicate effectively at ... our employees have incredible opportunities to work on revolutionary systems that impact people's lives around the world today,...weekends as needed. **Preferred Qualifications** : + Active DoD Top Secret security clearance. + Understanding of… more
    Northrop Grumman (07/02/25)
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