• Principal OR Sr. Principal Cryogenic…

    Northrop Grumman (Jessup, MD)
    …that occurs in the sub-Kelvin/nanoscale regime. **_This position can be filled at the Principal Cryogenic Thermal Analyst level OR Senior Principal ... Qualifications for both are listed below:_** **Basic Qualifications for a Principal Cryogenic Thermal Analyst :** + Bachelor's of Science in Mechanical… more
    Northrop Grumman (12/05/25)
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  • Principal Mechanical Engineer…

    Leonardo DRS, Inc. (Cypress, CA)
    …a highly motivated Principal Mechanical Engineer with a strong background in thermal analysis to join the company in the development of strategic space and ... relevant experience (8+ years with a Master's degree) in thermal analysis and design + 5+ years of experience...and design + 5+ years of experience with spacecraft thermal analysis, using tools such as Thermal more
    Leonardo DRS, Inc. (11/20/25)
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  • Engineer Principal - RF Systems…

    BAE Systems (Broomfield, CO)
    …incentives may be available based on position level and/or job specifics. **Engineer Principal - RF Systems Analyst ** **118702BR** EEO Career Site Equal ... Inc. is seeking a talented and motivated RF Systems Analyst to support our team of experts in developing...subject matter experts from other disciplines including calibration, optical, thermal , and focal plane subsystems. + Work alongside AI&T… more
    BAE Systems (12/09/25)
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  • Principal Mechanical Engineer - Standard…

    RTX Corporation (Tucson, AZ)
    …system requirements. + Collaborating across multiple disciplines with Structural and Thermal analyst , Materials Engineering, Quality, Safety, Supply Chain. + ... The Shipboard Effectors Department is currently searching for an experienced Principal Mechanical Engineer to support Standard Missile products and subsystems. This… more
    RTX Corporation (09/30/25)
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  • Principal Mechanical Engineer-Structural…

    RTX Corporation (Tucson, AZ)
    …Analysis and Test (MA&T) Department is responsible for ensuring structural and thermal design robustness across the Raytheon portfolio of products. From preliminary ... to fielded weapon system support, MA&T delivers innovative structural and thermal engineering solutions utilizing methods ranging from classical fundamental &… more
    RTX Corporation (12/09/25)
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  • Engineer Senior Principal II - Payload…

    BAE Systems (Broomfield, CO)
    …and Mission Systems, Inc. is seeking a talented and motivated RF Systems Analyst to support our team of experts in developing cutting-edge RF payload solutions. ... with subject matter experts from other disciplines including calibration, optical, thermal , and focal plane subsystems to develop state-of-the-art system designs and… more
    BAE Systems (10/29/25)
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  • Engineering Airframe Lead

    Stratolaunch, LLC (Mojave, CA)
    …achieve these efforts, Stratolaunch (https://www.stratolaunch.com/) is seeking a **Staff or Principal -level Mechanical Engineer** to lead the airframe team in the ... candidate has significant prototype development experience, with focus in thermal -structural-mechanical design, leading to first flights** . **ESSENTIAL RESPONSIBILITIES**… more
    Stratolaunch, LLC (11/07/25)
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  • Senior Pr. Mechanical Engineer - Structural

    RTX Corporation (Tucson, AZ)
    …Analysis and Test (MA&T) Department is responsible for ensuring structural and thermal design robustness across the Raytheon portfolio of products. From preliminary ... to fielded weapon system support, MA&T delivers innovative structural and thermal engineering solutions utilizing methods ranging from classical fundamental &… more
    RTX Corporation (10/17/25)
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