• Principal Technologist - Airframe…

    Mission Support and Test Services (Las Vegas, NV)
    …Support and Test Services, LLC (MSTS) manages and operates the Nevada National Security Site (NNSS) for the US National Nuclear Security Administration (NNSA). ... Our MISSION is to help ensure the security of the United States and its allies by...manufacturer's maintenance libraries. + Participate in the Deployment Authorization Program (DAP) and be able to travel and work… more
    Mission Support and Test Services (12/16/25)
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  • Sr Principal Linux Systems Administrator…

    Northrop Grumman (Boulder, CO)
    …all classified networked and standalone computers as directed by the Information Systems Security Manager (ISSM). + Prepare security documentation for input ... is our commitment to missions. In rapidly changing global security environments, Northrop Grumman brings informed insights and secure...a 9/80 work schedule, and a great 401k matching program . Come join us! Primary Level Salary Range: $129,300.00… more
    Northrop Grumman (01/07/26)
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  • Senior Principal RF Mechanical Engineer

    RTX Corporation (Tucson, AZ)
    …Person, or Immigration Status Requirements:** Active and transferable US government issued security clearance is required prior to start date.​ US citizenship is ... required, as only US citizens are eligible for a security clearance​ ** Security Clearance:** DoD Clearance: Secret...addition, the candidate will work with customer personnel and program leadership to define and refine requirements to validate… more
    RTX Corporation (10/29/25)
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  • Sr. Principal Systems Engineer

    Northrop Grumman (Clearwater, FL)
    …development of core engineering work products. The Systems Engineer interfaces with the Program Manager , Chief Engineer, Global Supply Chain Manager , other ... and customers on subcontractor's technical issues and challenges. + Support the Program Manager and Engineering Team to make well-structed decisions for… more
    Northrop Grumman (12/18/25)
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  • Principal Engineer, Systems Engineering…

    RTX Corporation (Tucson, AZ)
    …Person, or Immigration Status Requirements:** Active and transferable US government issued security clearance is required prior to start date.​ US citizenship is ... required, as only US citizens are eligible for a security clearance​ ** Security Clearance:** Secret - Current...lead will need to be able to ensure all program SI&T activities are correctly scheduled, resourced, and effectively… more
    RTX Corporation (10/31/25)
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  • NATO AGS Principal System Administrator 3/4

    Northrop Grumman (San Diego, CA)
    …all classified networked and standalone computers as directed by the Information Systems Security Manager (ISSM). + Prepare security documentation for input ... team of technical professionals for the NATO Global Hawk program . Primary location will be Rancho Bernardo, CA with...user and computer accounts and modify file permissions and security access lists. + Test new releases of products… more
    Northrop Grumman (01/07/26)
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  • Principal Linux Systems Administrator…

    Northrop Grumman (Linthicum Heights, MD)
    …all classified networked and standalone computers as directed by the Information Systems Security Manager (ISSM). + Prepare security documentation for input ... Possible is our commitment to missions. In rapidly changing global security environments, Northrop Grumman brings informed insights and secure technological… more
    Northrop Grumman (11/19/25)
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  • Sr Principal Network Architect - Secret

    Northrop Grumman (Melbourne, FL)
    …**Key Responsibilities:** + In this role the candidate will work for the BATTS program (reporting to the Network Communications Manager and will serve as a ... Possible is our commitment to missions. In rapidly changing global security environments, Northrop Grumman brings informed insights and secure technological… more
    Northrop Grumman (01/07/26)
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  • Principal Network Engineer (Onsite - Secret…

    RTX Corporation (Tewksbury, MA)
    …Person, or Immigration Status Requirements:** Active and transferable US government issued security clearance is required prior to start date.​ US citizenship is ... required, as only US citizens are eligible for a security clearance​ ** Security Clearance:** DoD Clearance: Secret...+ Cisco Meeting Server (CMS) and Cisco Unified Call Manager (CUCM) + Cisco Identity Service Engine (ISE) +… more
    RTX Corporation (11/04/25)
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  • Risk Systems Engineer Principal

    SAIC (El Segundo, CA)
    …ensuring a comprehensive approach. + Provides expert advice to the Government Program Manager and Senior Space Force leadership regarding risks related ... to finance, operations, regulations, security or the environment through effective management of data...actionable recommendations to address prioritized risks to the Government Program Manager . + Develops and collaborates on… more
    SAIC (12/12/25)
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