• Stratolaunch, LLC (Mojave, CA)
    …security. To help achieve these efforts, Stratolaunch is seeking a Sr-, Staff-, or Principal -level Mechanical Engineer to support the airframe team in the ... ideal candidate has significant prototype development experience, with focus in thermal -structural- mechanical design and build, leading to first flights.… more
    DirectEmployers Association (09/03/25)
    - Save Job - Related Jobs - Block Source
  • Micron Technology, Inc. (Boise, ID)
    …of new technology nodes, maintaining Micron's leadership in the industry. The Thermal Simulation Engineer will be directly involved in developing new ... in Mechanical Engineering or Materials Science with focus on Thermal Engineering. **Preferred Skills and Knowledge:** + Simulation, modeling, and analysis of… more
    DirectEmployers Association (10/07/25)
    - Save Job - Related Jobs - Block Source
  • Rocket Lab Corporation (Long Beach, CA)
    …build and assemble satellite hardware and software that supports other satellite missions. PRINCIPAL SPACECRAFT SYSTEMS ENGINEER Based out of Rocket Lab's global ... headquarters in Long Beach, CA, the Principal Spacecraft Systems Engineer is responsible for the development and maintenance of technical budgets, requirements… more
    Upward (08/04/25)
    - Save Job - Related Jobs - Block Source
  • Rocket Lab Corporation (Littleton, CO)
    …build and assemble satellite hardware and software that supports other satellite missions. PRINCIPAL SPACECRAFT SYSTEMS ENGINEER Based out of Rocket Lab's site ... in Littleton, CO, the Principal Spacecraft Systems Engineer is responsible for...QUALIFICATIONS: Bachelor's degree in engineering (software, computer, electrical, aerospace, mechanical , or other technical engineering discipline) 12+ years of… more
    Upward (08/04/25)
    - Save Job - Related Jobs - Block Source
  • Henkel (Irvine, CA)
    Principal Application Engineer **_About_** **_this_** **_Position_** At Henkel, you'll be part of an organization that's shaping the future through innovation, ... a good fit** + Minimum of a bachelor's degree in Materials Science/Engineering, Mechanical Engineering, Chemical Engineering, or a related field, with 10+ years of… more
    DirectEmployers Association (10/10/25)
    - Save Job - Related Jobs - Block Source
  • Axiom Space (Houston, TX)
    …space marketplace. Our mission-driven team is seeking a bold and dynamic **PLSS** ** Mechanical Engineer ** who is fueled by high ownership, execution horsepower, ... leading humanity's journey off planet, Axiom Space is the principal provider of commercial human spaceflight services to the...We are looking for a resilient, high-energy, experienced **PLSS Mechanical Engineer ** , who will primarily be… more
    DirectEmployers Association (10/24/25)
    - Save Job - Related Jobs - Block Source
  • Stratolaunch, LLC (Mojave, CA)
    …security. To help achieve these efforts, Stratolaunch is seeking a Staff- or Principal -level Environmental Test Engineer , to lead the environmental test team. ... and future environmental test equipment, such as vibration tables and thermal chambers + Support operation of existing environmental test instrumentation systems… more
    DirectEmployers Association (09/25/25)
    - Save Job - Related Jobs - Block Source
  • 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 ... + Perform / assess detailed design and analyses, including thermal and structural analyses + Generate / assess 3D...be available based on position level and/or job specifics. ** Principal Mechanical Engineer (Design/Analysis)** **117597BR**… more
    BAE Systems (10/22/25)
    - Save Job - Related Jobs - Block Source
  • Principal Mechanical Engineer

    Curtiss-Wright Corporation (Ashburn, VA)
    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 using engineering expertise. You will conduct feasibility studies and testing on new and… more
    Curtiss-Wright Corporation (10/16/25)
    - Save Job - Related Jobs - Block Source
  • Principal Mechanical Engineer

    Wilcox Industries (Newington, NH)
    mechanical combat systems for today's warfighters and law enforcement officers. The Principal Mechanical Engineer at Wilcox is a recognized technical ... primary technical authority on significant design initiatives, the Principal Engineer brings deep expertise in mechanical engineering principles, robust… more
    Wilcox Industries (10/19/25)
    - Save Job - Related Jobs - Block Source
  • 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 ... and subsystems. This Principal Mechanical Engineering position performs in alignment...teams or independently, flexible, demonstrates initiative + Experience in mechanical sub-systems packaging, materials, thermal , structural analysis,… more
    RTX Corporation (09/30/25)
    - Save Job - Related Jobs - Block Source
  • Principal Mechanical Engineer

    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)
    - Save Job - Related Jobs - Block Source
  • Principal Mechanical Engineer

    Therma LLC (San Jose, CA)
    …greatest opportunity to succeed. **Location:** San Jose, CA (Onsite) Therma is seeking a Principal Mechanical Engineer with 10+ years of relevant experience ... 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)
    - Save Job - Related Jobs - Block Source
  • Principal Mechanical Engineer

    BAE Systems (Hudson, NH)
    **Job Description** We are seeking a talented and experienced Principal Mechanical Engineer with experience in the area of electronic packaging for the ... Other incentives may be available based on position level and/or job specifics. ** Principal Mechanical Engineer ** **115585BR** EEO Career Site Equal… more
    BAE Systems (09/09/25)
    - Save Job - Related Jobs - Block Source
  • 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)
    - Save Job - Related Jobs - Block Source
  • Principal Mechanical Engineer

    RTX Corporation (Carlsbad, CA)
    …to access information under this program/contract. **Security Clearance:** None/Not Required ** Principal Mechanical Engineer ** **- Optronics (Onsite)** At ... precision optical systems for space, airborne, simulator and body-worn environments. As a Mechanical Engineer at Optronics, you will be responsible for the… more
    RTX Corporation (09/24/25)
    - Save Job - Related Jobs - Block Source
  • Principal Mechanical Engineer

    Chemours (Corpus Christi, TX)
    …solutions and more modern living depend on Chemours chemistry. Chemours is seeking a ** Principal Mechanical Engineer - Fixed Equipment** to join our growing ... . This role will serve as a Plant Support Engineer for one or more areas of the assets...assets at this facility. The individual will provide overall Mechanical Engineering guidance and support for the Operations, Maintenance,… more
    Chemours (10/26/25)
    - Save Job - Related Jobs - Block Source
  • Principal Mechanical Engineer

    Leonardo DRS, Inc. (Cypress, CA)
    …targeting applications. We are seeking a highly motivated Principal Mechanical Engineer with a strong background in thermal analysis to join the company ... or Top Secret (TS) clearance **Job Duties and Responsibilities** + Conduct thermal analyses for opto- mechanical and electro- mechanical systems operating… more
    Leonardo DRS, Inc. (08/21/25)
    - Save Job - Related Jobs - Block Source
  • Mechanical Design Engineer

    Northrop Grumman (Linthicum Heights, MD)
    …may be filled at as a Mechanical Engineer or a Principal Mechanical Engineer . Qualifications for both are listed below.** **Basic Qualifications ... and subsystems - interfacing with electrical design counterparts, physicists, thermal and structural analysts, and manufacturing teams throughout the...for both Mechanical Engineer AND Principal Mechanical Engineer :** + Experience… more
    Northrop Grumman (11/01/25)
    - Save Job - Related Jobs - Block Source
  • Principal Opto- Mechanical

    BAE Systems (Austin, TX)
    **Job Description** BAE Systems is seeking a proactive Sr. Principal Mechanical Engineer with analytical capabilities and demonstrated technical expertise. ... Other incentives may be available based on position level and/or job specifics. ** Principal Opto- Mechanical Engineer ** **110444BR** EEO Career Site Equal… more
    BAE Systems (09/26/25)
    - Save Job - Related Jobs - Block Source