• Principal RF Engineer

    CACI International (Springfield, VA)
    Principal RF Engineer Job Category: Engineering Time Type: Full time Minimum Clearance Required to Start: TS/SCI Employee Type: Regular Percentage of Travel ... Continental US * * * CACI is hiring a Principal Electrical Engineer that will Leads project...to install, maintain and upgrade complex electronic mission systems, security systems and antennas. You will be directly Supporting… more
    CACI International (10/31/25)
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  • Principal and Sr. Principal

    Northrop Grumman (Oklahoma City, OK)
    …previous aircraft systems and Low Observable (LO) experience. **Basic Qualifications** + ** Principal Survivability Engineer (Level 3) -** Bachelor's Degree in a ... in enhancing the survivability of defense systems through the application of advanced materials and processes. The candidate will...or 3 years with a Master's degree. + **Senior Principal Survivability Engineer (Level 4) -** Bachelor's… more
    Northrop Grumman (10/08/25)
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  • Senior Principal SEIT Engineer

    RTX Corporation (Anaheim, CA)
    …Managed by Collins Aerospace **Applied Signal Technology (AST** ) is seeking a **Senior Principal SEIT Engineer ** who strives for excellence and have a passion ... ability to obtain and maintain a US government issued security clearance is required.​ US citizenship is required, as...while embracing integrity, innovation and work-life balance. The **Senior Principal SEIT Engineer ** will have a strong… more
    RTX Corporation (10/09/25)
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  • Principal Environmental Test…

    RTX Corporation (Tucson, AZ)
    …instrumentation installations and data acquisition support. Environmental Test is seeking a Principal Test Engineer in the field of environmental testing. The ... Immigration Status Requirements:** Active and transferable US government issued security clearance is required prior to start date.​ US...Test Engineer is responsible for executing a variety of environmental… more
    RTX Corporation (11/21/25)
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  • Sr. Principal Digital Integration and Test…

    Northrop Grumman (Linthicum Heights, MD)
    …right opportunities to fit your life and launch your career today. **Snr. Principal Digital I&T Engineer (T4):** Northrop Grumman Electronics and Payloads ... Engineering is seeking a **Senior** ** Principal Digital Integration & Test (I&T)** Engineer ...be able to obtain and maintain a DoD Top-Secret security clearance **Preferred Qualifications:** + Experience as technical lead… more
    Northrop Grumman (10/09/25)
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  • Cleared Senior/ Principal Design and Test…

    Sandia National Laboratories (Livermore, CA)
    …Laboratories is the nations premier science and engineering lab for national security and technology innovation, with teams of specialists focused on cutting-edge ... + Challenging work with amazing impact that contributes to security , peace, and freedom worldwide + Extraordinary co-workers +...looking for a high performing design and qualification test engineer (R&D S&E Mechanical Engineer ) to join… more
    Sandia National Laboratories (12/08/25)
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  • Principal Mechanical Engineer

    RTX Corporation (Louisville, KY)
    …world. The Mechanical Products Team (MPT), Shipboard Effectors Department is seeking a Principal Mechanical Engineer for our Louisville KY site in both ... Status Requirements:** The ability to obtain and maintain a US government issued security clearance is required.​ US citizenship is required, as only US citizens are… more
    RTX Corporation (10/29/25)
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  • Principal Software Engineer - Web…

    Microsoft Corporation (Redmond, WA)
    …their productivity. The Copilot Pages and Notebooks team is seeking to hire a Principal Engineer to lead performance initiatives and define the architecture for ... our web applications. As a ** Principal Software Engineer ** in the Copilot Pages...and the development of design documents for a product, application , service, or platform. + Leads by example and… more
    Microsoft Corporation (12/13/25)
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  • Sentinel Sr Principal DevOps…

    Northrop Grumman (Roy, UT)
    …history, they're making history. Northrop Grumman has an opening for a **Sr Principal DevOps** ** Engineer ** to join our team of qualified, diverse individuals. ... engineering and/or data engineering tasks as needed. **Basic Qualifications:** + **Sr Principal DevOps Engineer :** 08 Years with Bachelor's in related field… more
    Northrop Grumman (11/07/25)
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  • Principal Software Engineer

    RTX Corporation (Sterling, VA)
    security clearance​ ** Security Clearance:** DoD Clearance: Secret ** Principal Software Engineer ** **- Training System Software (Onsite)** **Role ... Immigration Status Requirements:** Active and transferable US government issued security clearance is required prior to start date.​ US...Description: ** We are searching for a Principal Software Engineer to join our team… more
    RTX Corporation (11/19/25)
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