Senior Mechanical Design Engineer System OneSenior Mechanical Design EngineerBellevue, WashingtonThe successful candidate will collaborate closely with vendors, project engineers, and technical leads to help deliver hardware for the first liquid-fueled, fast-spectrum reactor to be constructed and operated at Idaho National Laboratory. System One is seeking a Senior Mechanical Design Engineer to support the Molten Chloride Fast Reactor (MCFR) program and the Molten Chloride Reactor Experiment (MCRE).
Mechanical Design Engineer System OneMechanical Design EngineerBellevue, Washington$52–$85 / hourYou will work within a high-performing, multi-disciplinary engineering team that includes materials science and thermal-hydraulics experts to develop novel analysis methodologies and support the design of next-generation reactor hardware. This position will report to the MCFR Mechanical Design Manager and play a critical role in the mechanical analysis, scripting, and design scoping of reactor components.
Mechanical Design Engineer - Aerospace Robotics Approach VentureMechanical Design Engineer - Aerospace RoboticsShoreline, Washington$120,000–$160,000 / yearThe team designs and deploys robotic equipment that performs complex manufacturing operations directly on aerospace hardware, combining mechanical design, automation, electromechanical systems, and precision tooling. As a Mechanical Design Engineer, you will work alongside experienced engineers to solve challenging mechanical design problems across robotic and automated manufacturing systems.
Sr. TCA Mechanical Design Engineer Cowboy SpaceSr. TCA Mechanical Design EngineerSeattle, WashingtonOur satellites operate in Low Earth Orbit to collect sunlight and enable a new class of capabilities—from powering on-orbit compute, to transmitting energy via infrared lasers (space-to-earth and space-to-space), to delivering secure, high-bandwidth optical data. Export Control Requirement: To conform to U.S. Government space technology export regulations, including the International Traffic in Arms Regulations (ITAR), applicants must be a U.S. citizen, lawful permanent resident of the U.S., protected individual as defined by 8 U.S.C. 1324b(a)(3), or eligible to obtain the required authorizations from the U.S. Department of State.
Sr. Mechanical Design Engineer, Satellites (Starlink) SpaceXSr. Mechanical Design Engineer, Satellites (Starlink)Redmond, WA$130,000–$180,000 / yearTo conform to U.S. Government export regulations, applicant must be a (i) U.S. citizen or national, (ii) U.S. lawful, permanent resident (aka green card holder), (iii) Refugee under 8 U.S.C. § 1157, or (iv) Asylee under 8 U.S.C. § 1158, or be eligible to obtain the required authorizations from the U.S. Department of State. As a member of the Starlink Production Design team you will design the factory of the future, enabling mass production of satellites, ground stations, and high-performance space hardware that has never been produced in volume.
Sr. Mechanical Design Engineer, Satellites (Starlink) Space Exploration TechnologiesSr. Mechanical Design Engineer, Satellites (Starlink)Redmond, WA$130,000–$180,000 / yearITAR REQUIREMENTS: To conform to U.S. Government export regulations, applicant must be a (i) U.S. citizen or national, (ii) U.S. lawful, permanent resident (aka green card holder), (iii) Refugee under 8 U.S.C. § 1157, or (iv) Asylee under 8 U.S.C. § 1158, or be eligible to obtain the required authorizations from the U.S. Department of State. As a member of the Starlink Production Design team you will design the factory of the future, enabling mass production of satellites, ground stations, and high-performance space hardware that has never been produced in volume.
Senior Mechanical Design Engineer ALTEN TechnologySenior Mechanical Design EngineerMukilteo, Washington$135,000–$165,000 / yearWe’re ALTEN Technology USA, an engineering company helping clients bring groundbreaking ideas to life—from advancing space exploration and life-saving medical devices to building autonomous electric vehicles. When you join ALTEN Technology USA, you’ll collaborate on some of the world’s toughest engineering challenges, supported by mentorship, career growth opportunities, and comprehensive benefits.
Senior Mechanical Design Engineer ALTEN Technology USASenior Mechanical Design EngineerMukilteo, WA$135,000–$165,000 / yearWe're ALTEN Technology USA, an engineering company helping clients bring groundbreaking ideas to life—from advancing space exploration and life-saving medical devices to building autonomous electric vehicles. When you join ALTEN Technology USA, you'll collaborate on some of the world's toughest engineering challenges, supported by mentorship, career growth opportunities, and comprehensive benefits.
Senior Mechanical Design Engineer Simplexity Product DevelopmentSenior Mechanical Design EngineerSeattle, WA$140,000–$160,000 / yearPerform paper-studies using various mechanical engineering academic principles, such as force and energy balances, structural calculations, mechanical vibration, tolerance analysis, mechanical power transmission, etc. In an industry of overly-complex design and production, we strive for simplicity, reducing product cost and improving reliability for our clients through our Product Development Process.
Mechanical Design Engineer, Production (Starlink) Space Exploration TechnologiesMechanical Design Engineer, Production (Starlink)Redmond, WA$100,000–$135,000 / yearITAR REQUIREMENTS: To conform to U.S. Government export regulations, applicant must be a (i) U.S. citizen or national, (ii) U.S. lawful, permanent resident (aka green card holder), (iii) Refugee under 8 U.S.C. § 1157, or (iv) Asylee under 8 U.S.C. § 1158, or be eligible to obtain the required authorizations from the U.S. Department of State. As a member of the Starlink Production Design team you will design the factory of the future, enabling mass production of satellites, ground stations, and high-performance space hardware that has never been produced in volume.
Sr. Mechanical Engineer (HVAC/Plumbing Design) K2 StaffingSr. Mechanical Engineer (HVAC/Plumbing Design)Seattle, WashingtonAs a competent Registered Professional Engineer, the candidate performs work involving the application of all conventional aspects of HVAC and plumbing design engineering and supervision of multi-discipline teams of engineers and designers. The candidate has primary responsibility for budgeting, scheduling, planning, design, and specification writing on a given project with the authority to direct, control, and monitor all activities on multiple projects at a time.
NewSenior Mechanical and Robotics Design Engineer Simplexity Product DevelopmentSenior Mechanical and Robotics Design EngineerSeattle, WA$70–$95 / hourRecent hands-on SolidWorks experience with complex assemblies, configurations, production drawings, and PDM-controlled revision workflows. Build and instrument prototypes, define tests, diagnose failures, perform root-cause analysis, and iterate rapidly to working hardware.
CRD System Design Engineer (Mechanical) ProtingentCRD System Design Engineer (Mechanical)Bellevue, WARemote$56–$95 / hourProvide technical direction and interface to supplier projects, working with supply chain teams to ensure delivery of engineering designs and other deliverables, as well as coordination and performance of technical reviews of deliverables. Interface with and support licensing activities needed to obtain both the construction and operating licenses for the reactor systems including development of safety analysis reports, technical specifications, topical reports, and other licensing documents.
NewSr. Electrical Design Engineer Everest Consultants, Inc.Sr. Electrical Design EngineerSeattle, WA$140,000–$170,000 / yearExercise your engineering prowess to take initial design concepts from rough idea to complete, fully-working manufactured product. **Demonstrated expertise in PCBA board-level troubleshooting and debug** with systematic root cause analysis skills.
Mechanical System Design & Analysis Engineer 4 The Structures Company, LLCMechanical System Design & Analysis Engineer 4Everett, WAAs trusted partners to leading aerospace and defense OEMs and Tier 1 suppliers, we connect professionals with career opportunities to grow and excel in aviation, aerospace, and defense. Manages supplier development, test, and production activities and directs supplier to optimize integration and achieve program goals.
Design Engineer Ii/Sr Terex CorporationDesign Engineer Ii/SrRedmond, WA$91,200–$140,800 / yearWe design and manufacture advanced specialty vehicles-including fire, ambulance, and recreational vehicles-alongside waste collection vehicles, materials processing machinery, mobile elevating work platforms, and equipment for the electric utility industry. Electric/Hybrid Vehicle System design/architecture (AC/DC motors, motor controllers, chargers, batteries, generators, high voltage power system [>60v]), Advanced understanding in 2 or more areas: Mechanical Design, Hydraulic Systems, or Electrical Systems.
Design Engineer II/Sr Terex CorporationDesign Engineer II/SrRedmond, Washington$91,200–$140,800 / yearWe design and manufacture advanced specialty vehicles—including fire, ambulance, and recreational vehicles—alongside waste collection vehicles, materials processing machinery, mobile elevating work platforms, and equipment for the electric utility industry. Electric/Hybrid Vehicle System design/architecture (AC/DC motors, motor controllers, chargers, batteries, generators, high voltage power system [>60v]), Advanced understanding in 2 or more areas: Mechanical Design, Hydraulic Systems, or Electrical Systems.
Fuel Handling Systems Design Engineer ProtingentFuel Handling Systems Design EngineerBellevue, WARemote$52–$85 / hourAbout Protingent: Protingent is an Award-Winning provider of top-tier Engineering and IT talent, trusted by companies at the forefront of innovation — from Software and Aerospace to AI, Clean Tech, Medical Devices, and Connected Technologies . Generate design package for systems, sub-systems, and equipment designs including coordination of calculations, design reports, mechanical drawings, and engineering design specifications.
System Design Engineer ProtingentSystem Design EngineerBellevue, WARemote$69–$115 / hourProvide technical direction and oversight of supplier projects, working with the Contract Administrator and Supplier Project Engineer to ensure delivery of data and other deliverables, as well as coordination and performance of technical reviews of deliverables. About Protingent: Protingent is an Award-Winning provider of top-tier Engineering and IT talent, trusted by companies at the forefront of innovation — from Software and Aerospace to AI, Clean Tech, Medical Devices, and Connected Technologies .
Senior Fuel Handing Systems Design Engineer ProtingentSenior Fuel Handing Systems Design EngineerBellevue, WARemote$69–$115 / hourAbout Protingent: Protingent is an Award-Winning provider of top-tier Engineering and IT talent, trusted by companies at the forefront of innovation — from Software and Aerospace to AI, Clean Tech, Medical Devices, and Connected Technologies . Generate design package for systems, sub-systems, and equipment designs including coordination of calculations, design reports, mechanical drawings, and engineering design specifications.