• Principal Mechanical Engineer

    Curtiss-Wright Corporation (Santa Clarita, CA)
    Principal Mechanical Engineer - Onsite Position As our **_Principal Mechanical Engineer_** you will design and analyze complex VPX based electro- ... mechanical systems for thermal design, structural design, and packaging...for direct support to personnel in the preparation of mechanical models, drawings, thermal, and structural reports. You will… more
    Curtiss-Wright Corporation (10/08/25)
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  • Principal Mechanical Engineer

    RTX Corporation (Richardson, TX)
    …Mission Systems Integrated Strategic Solutions (ISSE) engineering team is seeking a self-motivated Principal Mechanical Engineer that thrives in the design, ... Rd , Richardson, TX, 75082-2402 USA **Position Role Type:** Onsite **U.S. Citizen, US Person, or Immigration Status Requirements:**...development, and integration of dynamic electro- mechanical systems and controls involving items such as pulleys,… more
    RTX Corporation (10/29/25)
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  • Principal Project Engineer

    RTX Corporation (Richardson, TX)
    …evolving global market. Collins Aerospace has an exciting opportunity for a proven Principal Project Engineer to lead, develop, and establish the required ... E Renner Rd , Richardson, TX, 75082-2402 USA **Position Role Type:** Onsite **U.S. Citizen, US Person, or Immigration Status Requirements:** Active and transferable… more
    RTX Corporation (11/22/25)
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  • Senior/ Principal Mechanical

    Sandia National Laboratories (Albuquerque, NM)
    …Be Like: Sandia's Thermal Sciences and Engineering department is seeking an R&D Mechanical Engineer to join a diverse team that uses state-of-the-art analytical ... a DOE Q Security Clearance. Qualifications We Desire: The ideal R&D S&E Mechanical Engineer candidate for Sandia National Laboratories will in addition possess… more
    Sandia National Laboratories (11/15/25)
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  • Cleared Senior/ Principal Mechanical

    Sandia National Laboratories (Albuquerque, NM)
    …most challenging issues facing our nation's security! You could be the highly motivated R&D Mechanical Engineer we're looking for to be part of our diverse team! ... compressed workweeks, part-time work, and telecommuting (a mix of onsite work and working from home) + Generous vacation,...An opening exists for a mechanical engineer to lead and support teams… more
    Sandia National Laboratories (11/14/25)
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  • Senior Principal RF Mechanical

    RTX Corporation (Tucson, AZ)
    …Effector RF Design Team at Raytheon is seeking a talented and experienced **Senior Principal Engineer ** to join our innovative and collaborative team in Tucson, ... Hermans Road Building M02, Tucson, AZ, 85756 USA **Position Role Type:** Onsite **U.S. Citizen, US Person, or Immigration Status Requirements:** Active and… more
    RTX Corporation (10/21/25)
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  • Principal Mechanical Engineer

    RTX Corporation (Marlborough, MA)
    …Managed by Collins Aerospace Collins Aerospace is seeking a highly skilled and experienced Principal Mechanical Engineer Lead with expertise mechanical ... Post Road Building 3, Marlborough, MA, 01752 USA **Position Role Type:** Onsite **U.S. Citizen, US Person, or Immigration Status Requirements:** The ability to… more
    RTX Corporation (11/14/25)
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  • Principal Mechanical Engineer

    RTX Corporation (Tucson, AZ)
    …secure world. The Shipboard Effectors Department is currently searching for an experienced Principal Mechanical Engineer to support Standard Missile products ... Building 807, Tucson, AZ, 85756 USA **Position Role Type:** Onsite **U.S. Citizen, US Person, or Immigration Status Requirements:**...and subsystems. This Principal Mechanical Engineering position performs in alignment… more
    RTX Corporation (09/30/25)
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  • Principal Mechanical Engineer

    RTX Corporation (Marlborough, MA)
    …design, integration, and production support. We have an opportunity for an experienced Principal Mechanical Engineer to support our radar development ... Building 1, Marlborough, MA, 01752 USA **Position Role Type:** Onsite **U.S. Citizen, US Person, or Immigration Status Requirements:**...well as operations, systems, quality and program offices. This Principal Engineer role will be based in… more
    RTX Corporation (11/13/25)
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  • Principal Product Development…

    RTX Corporation (Goleta, CA)
    …meaningful problems that create a safer, more secure world. Raytheon is seeking a Principal Mechanical Engineer to lead new product development within the ... the supporting programs. **What You Will Do** + The Principal Engineer is a key technical contributor...a minimum of three years of creating and documenting mechanical designs in Pro/ Engineer /CREO or similar modeling… more
    RTX Corporation (10/29/25)
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  • Sr. Principal Mechanical

    BAE Systems (Nashua, NH)
    **Job Description** BAE Systems is seeking a proactive Sr. Principal Mechanical Engineer with diverse analytical capabilities and demonstrated technical ... a Hybrid Work Format, with time split between working onsite and remotely. Please note that pursuant to a...available based on position level and/or job specifics. **Sr. Principal Mechanical Engineer ** **118601BR** EEO… more
    BAE Systems (11/22/25)
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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 ... development and production support across multiple programs. This Principal Mechanical Engineering position performs in alignment to expectations in the design,… more
    RTX Corporation (10/29/25)
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  • Principal Mechanical Engineer

    BAE Systems (Nashua, NH)
    **Job Description** BAE Systems is seeking a seasoned Principal Mechanical Engineer to lead a team of mechanical engineers and to be a subject matter ... incentives may be available based on position level and/or job specifics. ** Principal Mechanical Engineer (Design/Analysis)** **117597BR** EEO Career Site… more
    BAE Systems (10/22/25)
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  • Senior Principal Mechanical Design…

    RTX Corporation (Tewksbury, MA)
    …and production support. Mechanical Engineering is searching for an experienced Senior Principal Design Engineer to work in the Radar Design Department. This ... Assabet - Building 1, Tewksbury, MA, 01876 USA **Position Role Type:** Onsite **U.S. Citizen, US Person, or Immigration Status Requirements:** Active and… more
    RTX Corporation (11/06/25)
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  • Principal Mechanical CADD…

    RTX Corporation (Tewksbury, MA)
    …design, integration, and production support. We have an opportunity for an experienced Principal Mechanical CADD Engineer to support our radar development ... Drive Assabet - Building 1, Tewksbury, MA, 01876 USA **Position Role Type:** Onsite **U.S. Citizen, US Person, or Immigration Status Requirements:** The ability to… more
    RTX Corporation (09/30/25)
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  • ADGE Sr Principal Mechanical

    RTX Corporation (Tewksbury, MA)
    …a security clearance **Security Clearance:** DoD Clearance: Secret **Title: ADGE Sr Principal Mechanical Engineer (On-Site)** **Job Description:** **The Air ... Building 1, Tewksbury, MA, 01876 USA **Position Role Type:** Onsite **U.S. Citizen, US Person, or Immigration Status Requirements:**...interconnects.** **We are seeking a motivated and driven Senior Principal Mechanical Engineer to join… more
    RTX Corporation (09/16/25)
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  • Principal Systems Engineer

    RTX Corporation (Tucson, AZ)
    …The Systems Engineering and Test Center (SETC) organization is currently hiring a ** Principal Systems Engineer - Jumping Cholla Systems Engineering (SE) Subject ... Building 928, Tucson, AZ, 85706 USA **Position Role Type:** Onsite **U.S. Citizen, US Person, or Immigration Status Requirements:**...time and every time for our warfighters! As the ** Principal Systems Engineer - Jumping Cholla Systems… more
    RTX Corporation (11/22/25)
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  • Senior Principal Electrical Engineer

    RTX Corporation (Richardson, TX)
    …redefine the future of aerospace technology. We are currently seeking a Senior Principal Electrical Engineer in Richardson, TX with analog and VLF/LF-design ... Rd , Richardson, TX, 75082-2402 USA **Position Role Type:** Onsite **U.S. Citizen, US Person, or Immigration Status Requirements:**...experience. The Senior Principal Electrical Engineer is a lead position… more
    RTX Corporation (11/12/25)
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  • Principal Manufacturing Engineer

    Collins Aerospace (Rockford, IL)
    …Clearance: None/Not Required Collins Aerospace is seeking a Principal Engineer , Manufacturing Engineering to join our Mechanical Power Conversion ... Street , Rockford, IL, 61104 USA Position Role Type: Onsite US Citizen, US Person, or Immigration Status Requirements:...starter assemblies used in next-generation aerospace platforms. As a Principal Engineer , you will serve as a… more
    Collins Aerospace (11/18/25)
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  • Principal Mechanical Engineer

    Therma LLC (San Jose, CA)
    …opportunity to succeed. **Location:** San Jose, CA ( Onsite ) Therma is seeking a Principal Mechanical Engineer with 10+ years of relevant experience to ... 50 years, Therma (https://www.therma.com/) has continued to redefine the mechanical construction landscapes in California. Renowned for outstanding client service… more
    Therma LLC (11/01/25)
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