• 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 (01/07/26)
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  • Principal Mechanical Engineer

    RTX Corporation (Rockford, IL)
    …access information under this program/contract. **Security Clearance:** None/Not Required The ** Principal Mechanical Engineer ** plays a critical leadership ... of design excellence and disciplined program execution. Serving as a Project Engineer for complex mechanical scope, this position owns technical direction… more
    RTX Corporation (12/18/25)
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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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  • Senior/ Principal R&D Mechanical

    Sandia National Laboratories (Albuquerque, NM)
    …job classification. What Your Job Will Be Like: Join our dynamic team as an R&D Mechanical Engineer , where your expertise will play a crucial role in shaping the ... compressed workweeks, part-time work, and telecommuting (a mix of onsite work and working from home) + Generous vacation,...DOE Q clearance. Qualifications We Desire: The ideal R&D Mechanical Engineer candidate for Sandia National Laboratories… more
    Sandia National Laboratories (01/13/26)
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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 (12/29/25)
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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 (01/14/26)
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  • Sr. Principal II Opto- Mechanical

    BAE Systems (Merrimack, NH)
    **Job Description** BAE Systems is seeking a proactive Sr. Principal Mechanical Engineer with analytical capabilities and demonstrated technical expertise. ... incentives may be available based on position level and/or job specifics. **Sr. Principal II Opto- Mechanical Engineer ** **117394BR** EEO Career Site Equal… more
    BAE Systems (11/03/25)
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  • Principal Mechanical Engineer

    RTX Corporation (Tucson, AZ)
    …department technical processes and tools) and lead teams to meet program milestones **The Principal Mechanical Engineer -Structural Engineer job is in ... Building 805, Tucson, AZ, 85756 USA **Position Role Type:** Onsite **U.S. Citizen, US Person, or Immigration Status Requirements:**...Raytheon is seeking an experienced Principal Structural Engineer to join the Mechanical Analysis and… more
    RTX Corporation (12/09/25)
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