235 mechanical systems engineer jobs at 93 companies in Bellevue, WA
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Mechanical Systems Engineer III
Denver or Littleton or Kent or Huntsville or Reston or Los Angeles or Seattle or Cape Canaveral
$111k-$155k/yrOnsiteFull Time
Blue Origin: Develops reusable rockets and systems for human spaceflight.
3+ YOEBachelor's degree in mechanical, aerospace, or related engineering; 3+ years mechanical engineering experience; CAD, structural analysis, aerospace systems, and systems engineering experience; eligibility for Top Secret clearance.
CAD, Model-Based Systems Engineering (MBSE), Defense Biometric Identification System (DBIDS)
Greenpoint TechnologiesEuronext Paris: SAF: Designing and installing custom VIP interiors for private aircraft.
8+ YOEBachelor's degree in aerospace or mechanical engineering and 8+ years of relevant experience, with aviation and aircraft interior experience. Requires CAD, manufacturing, drafting, and mechanical systems expertise.
BoeingNYSE: BA: Designs and manufactures aircraft, defense systems, and space technology.
5+ YOEBachelor's degree in engineering, 5+ years of related experience, and project management experience required. Mechanical, fluid, thermal systems, analysis, supplier coordination, and U.S. Secret clearance eligibility required.
BoeingNYSE: BA: Designing and manufacturing commercial aircraft and defense systems.
5+ YOEBachelor's degree in engineering and 5+ years of related experience required. Project management experience, U.S. citizenship, and ability to obtain U.S. Secret clearance required; mechanical systems and certification experience preferred.
Helion: Building fusion reactors to produce clean, low-cost electricity.
5+ YOEBachelor's degree in engineering,5+ years delivering full-scope engineering projects,first-principles problem solving,hands-on experience in fluids/mechanical/controls,and CAD experience (NX,Solidworks).
Digital Control: Develops and manufactures underground locating systems for horizontal drilling.
3+ YOEBachelor's in mechanical engineering, 3+ years in electronic product design or manufacturing, electromechanical component and system design, hands-on prototyping/troubleshooting, solid modeling and GD&T proficiency, strong problem-solving and communication.
Puget Sound Naval Shipyard and Intermediate Maintenance Facility: Maintains, repairs, and modernizes United States Navy ships and systems.
1+ YOEProfessional engineer with experience planning and leading test and evaluation projects for mechanical ship systems; one year of specialized experience at or equivalent to GS-12; professional engineering degree or equivalent credential required.
Cowboy Space: Building satellite-based orbital infrastructure for AI data centers.
5+ YOE5+ years designing mechanical systems for aerospace or high-performance hardware; experience from concept to build and test; CAD proficiency; strong fundamentals in mechanics, materials, and thermal systems.
Zap Energy: Develops compact and scalable fusion reactors for carbon-free power.
3+ YOEMS (with 3 years relevant experience) or PhD in mechanical engineering or related field; experience in fluid dynamics, heat transfer, CAD, fabrication, vacuum systems, instrumentation, modeling, and hands-on build/test.
COMSOL, ANSYS, OpenFOAM, CAD, 3D printing, data acquisition
Fluidstack: Provides high-performance cloud GPU infrastructure for AI development.
Experience engineering mechanical/HVAC systems for data centers or industrial plants, dynamic thermal modeling, field validation, risk quantification, and collaboration with controls engineers.
Billings or Austin or Boise or Bozeman or Denver or Great Falls or Helena or Minneapolis or Missoula or Seattle
$90k-$130k/yrOnsiteFull Time
Cushing Terrell: Multidisciplinary firm providing architecture and engineering design services.
10+ YOEBachelor's in mechanical engineering, 10+ years consulting HVAC experience, PE or ability to obtain licensure, Revit MEP proficiency, experience with VAV/DOAS/VRF/chilled water systems, HVAC load modeling, and strong communication.
KPFF: Provides structural and civil engineering design and consulting services.
3+ YOEBachelor of Science in Mechanical Engineering, required EIT, 3–6 years of experience, SolidWorks proficiency, and familiarity with AutoCAD or Revit, mechanical systems, machinery, piping, and project engineering.
SolidWorks, AutoCAD, Revit, Finite Element Analysis (FEA)
magniX: Designs and manufactures electric propulsion systems for sustainable aircraft.
5+ YOEBachelor's in mechanical engineering or related field,5+ years in thermal management and mechanical packaging of power electronics/battery systems,experience with air and liquid cooling and enclosure design,familiarity with datacenter rack standards.
Senior Systems Engineer-Communication & Control Systems
Seattle, Washington, United States
$91k-$197k/yrHybridFull Time
Sound Transit: Provides regional bus and rail transit in the Puget Sound.
5+ YOEBachelor's degree in electrical or mechanical engineering or related field, 5 years of systems engineering experience, industrial controls, troubleshooting, commissioning, and communication skills.
Supervisory Control and Data Acquisition (SCADA), industrial control systems, Internet of Things (IoT), programmable controllers, GE, Emerson, Siemens
Agile Space Industries: Designs and manufactures in-space chemical propulsion systems for spacecraft.
15+ YOEB.S. or advanced engineering degree, 15+ years mechanical systems development with rocket engine hardware experience, GD&T training, CAD and ASME drawing expertise, strong communication, US citizen or permanent resident required.
Director of Mechanical Engineering (Building Systems)
Charlotte or King of Prussia or Scottsdale or Frisco or Bellevue or Roseville or Richland or Puyallup or Klamath Falls or Chehalis or Long Beach or Kent or Remote or Philadelphia or Burlington or Bentonville or Minneapolis or Ontario or Somerville or West Chester or Tampa or Hillsboro or Naperville or Duluth or Saint Louis
$160k-$220k/yrHybridFull Time
Core States Group: Integrated architectural, engineering, and construction services for businesses.
15+ YOE8+ MgmtBachelor's in Mechanical Engineering, PE required, 15+ years A/E/C mechanical engineering program/project experience, 8+ years supervising, commercial program experience, MS Office required, AutoCAD/Revit preferred.
Hawthorne or El Segundo or Los Angeles or Washington or San Francisco or San Diego or Seattle or London
$160k-$260k/yrOnsiteFull Time
CHAOS Industries: Develops advanced radar and sensing systems for modern defense.
10+ YOEBachelor's in Mechanical Engineering, 10+ years mechanical design and system integration experience in aerospace/defense, launcher design experience, CAD and FEA proficiency, electro-mechanical integration, MIL-STD familiarity, ability to obtain U.S. security clearance.
AmazonNASDAQ: AMZN: Global online retail and cloud computing technology provider.
5+ YOEBachelor's degree in mechanical engineering, 5+ years of mechanical engineering experience, aerospace optical systems experience, GD&T, tolerance analysis, space-system qualification, and 3+ years of FEA modeling.
SpaceX: Designs and launches advanced rockets and satellite internet constellations.
1+ YOEBachelor's in mechanical or aerospace engineering; 1+ years design experience; CAD/PDM, GD&T, milling/turning/CMM, and quality systems experience.
StantecToronto Stock Exchange / New York Stock Exchange: STN: Global design, engineering, and environmental consulting firm.
4+ YOEDesign mechanical and plumbing systems for federal building projects; working knowledge of HVAC, piping, plumbing, codes (UFC, IMC, NFPA, ASHRAE), Revit/AutoCAD, and energy modeling; 4+ years related experience; PE preferred.
Revit, AutoCAD, Microsoft Office, Newforma, Trane Trace, IES, Bluebeam