161 mechanical systems engineer jobs at 90 companies in Cotati, CA

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Mechanical Systems Design Engineer
San Francisco, California, United States
$135k-$170k/yr OnsiteFull Time
Astro Mechanica
Astro Mechanica: Building turboelectric jet engines for supersonic aircraft.
2+ YOEBachelor's in mechanical/aerospace engineering, 2+ years designing or testing fluid/mechanical systems, 3D CAD proficiency (NX,CATIA V5,SolidWorks), GD&T and manufacturing knowledge, hands-on fabrication and testing experience.
NX, CATIA V5, SolidWorks
1w
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Mechanical Engineer, Vacuum Systems
Austin or San Francisco
OnsiteFull Time
fab2
fab2: Designing and manufacturing custom semiconductor fabrication equipment and factories.
2+ YOE2+ years mechanical/electromechanical design and hands-on prototyping experience; degree in engineering or physics; experience with vacuum/fluid hardware, pumps, valves, and thermal systems required.
3w
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Senior Mechanical Engineer, Fluid Systems
Berkeley, California, United States
$129k-$169k/yr OnsiteFull Time
Form Energy
Form Energy: Developing multi-day batteries for grid-scale energy storage.
5+ YOEBachelor's in Mechanical Engineering or related field,5+ years mechanical design experience in liquid/gas handling or equipment,manufacturing experience,first-principles modeling,design for manufacturing,collaboration across disciplines.
1w
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Senior Mechanical Engineer – Thermal & Air Systems
Alameda, California, United States
$170k-$200k/yr HybridFull Time
Rondo Energy
Rondo Energy: Manufactures thermal batteries for industrial zero-carbon heat delivery.
7+ YOEBachelor's or Master's in Mechanical Engineering,7+ years designing high-temperature air or gas handling systems,knowledge of high-temp materials,codes,testing,and mentorship experience.
SolidWorks, PLM, FEA, CFD
3w
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Mechanical Engineer, RF Systems
South San Francisco, California, United States
OnsiteFull Time
Zipline
Zipline: Operates an autonomous drone delivery system for medical supplies.
Mechanical design for antenna and RF assemblies, CAD and GD&T, RF fundamentals, materials selection, environmental and structural analysis, prototype and supplier integration, hands-on lab work and field investigations.
CAD, Vector Network Analyzer, Anechoic chamber
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Mechanical Engineer
Fairfield, California, United States
OnsiteFull Time
Jelly Belly Candy Company
Jelly Belly Candy Company: Manufactures and sells premium jelly beans and confectionery products.
2+ YOEDesigns, analyzes, and tests mechanical/electromechanical systems; plans factory layouts; requires a BS in Mechanical Engineering or related experience; proficiency with AutoCAD/SolidWorks; PLC, electrical controls; OSHA/ NEC knowledge.
AutoCAD, SolidWorks, Microsoft Office, PLC, servo drives, pneumatics, hydraulics, process instrumentation
1mo
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Mechanical Engineer
San Francisco, California, United States
$115k-$150k/yr OnsiteFull Time
Ouster
OusterNASDAQ: OUST: Designs and manufactures high-resolution digital lidar sensors.
Bachelor's in Mechanical Engineering, experience with multi-domain mechanical systems, SolidWorks and CAD proficiency, hands-on assembly and failure analysis, GD&T/FEA/CFD familiarity and Python scripting preferred; occasional travel.
SolidWorks, CAD, FEA, CFD, Python
2w
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Mechanical Engineer
San Francisco, California, United States
OnsiteFull Time
American Turbines
American Turbines: Building compact modular gas turbines for distributed power generation.
Experience designing packaged machinery and mechanical systems for field-deployable gensets/engines; design for manufacture, packaging to released drawings, and focus on footprint, cost, and serviceability.
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Senior Mechanical Engineer
San Francisco, California, United States
OnsiteFull Time
Orion Sleep
Orion Sleep: Manufacturer of AI-powered smart mattress covers for sleep optimization.
7+ YOE7+ years mechanical engineering experience in consumer hardware, system-level ownership, expertise in plastics, sheet metal, mechanisms, thermal systems, CAD, DFM/DFA, and GD&T.
CAD, SolidWorks, GD&T
1mo
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Mechanical Engineer
Alameda, California, United States
$120k-$150k/yr OnsiteFull Time
Longshot Space Technologies
Longshot Space Technologies: Developing ground-based kinetic launch systems for hypersonic and space applications.
0+ YOE0–3 years hands-on test/design/manufacturing or R&D experience; Bachelor's in Mechanical/Aerospace/Systems engineering preferred; experience with high-pressure gas/fluid systems, hardware assembly/testing, documentation, and debugging embedded firmware.
2mo
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Mechanical Engineer II
Petaluma, California, United States
$82k-$116k/yr OnsiteFull Time
AeroVironment
AeroVironmentNASDAQ: AVAV: Designs and manufactures unmanned aircraft and tactical missile systems.
2+ YOEBachelors in Mechanical or Aerospace Engineering (or equivalent), 2+ years designing complex mechanical/electro-mechanical systems, SolidWorks/ANSYS proficiency, prototyping and ASME drawing standards experience.
SolidWorks, SolidWorks Simulation, ANSYS, SolidWorks EPDM, Microsoft Office, 3D printing
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Sr Mechanical Engineer
San Francisco or Oakland
$140k-$175k/yr HybridFull Time
AECOM
AECOMNYSE: ACM: Global infrastructure consulting firm providing design and engineering services.
6+ YOEBachelor's in Mechanical Engineering, PE license, 6+ years mechanical engineering experience, experience with HVAC/building systems, codes (ASHRAE, IMC, IPC, IECC), leadership and mentoring, and occasional travel.
2mo
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Sr Mechanical Engineer
Oakland or San Francisco
$140k-$175k/yr HybridFull Time
AECOM
AECOMNYSE: ACM: Provides infrastructure consulting and engineering services for global projects.
6+ YOEBachelor's in mechanical engineering, PE license, 6+ years mechanical engineering experience; consulting/building systems experience preferred; knowledge of ASHRAE/IMC/IPC/IECC; strong leadership and mentoring skills.
3mo
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Senior Mechanical Engineer
Oakland, California, United States
$115k-$182k/yr HybridFull Time
Fervo Energy
Fervo Energy: Generates clean electricity using advanced geothermal drilling technology.
8+ YOELead design of mechanical systems for geothermal power plants; 8+ years of mechanical engineering experience; BS/MS in Mechanical Engineering; strong leadership and collaboration.
3w
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Senior Mechanical Engineer
San Francisco, California, United States
$150k-$215k/yr OnsiteFull Time
Echo Neurotechnologies
Echo Neurotechnologies: Developing brain-computer interface technologies to improve patient autonomy.
7+ YOEBachelor's in mechanical engineering or related, 7+ years product development experience with electro-mechanical hardware, Solidworks and FEA/ANSYS experience, hands-on prototyping, manufacturing/vendor experience, quality system familiarity.
Solidworks, FEA, ANSYS, CAD
5d
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Lead Mechanical Engineer - Buildings
San Francisco, California, United States
$123k-$182k/yr OnsiteFull Time
WSP
WSPToronto Stock Exchange: WSP: Provides engineering, design, and environmental consultancy services globally.
7+ YOEBachelor's degree in mechanical or architectural engineering, 7+ years designing mechanical systems, PE if eligible, and proficiency with AutoCAD, Revit, and Trane Trace.
AutoCAD, Revit, Trane Trace, Building Information Modeling (BIM)
1mo
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Senior Mechanical Engineer
San Francisco or Los Angeles or San Diego or Oakland or Seattle
$129k-$147k/yr HybridFull Time
Arup
Arup: Global professional services firm for the built environment.
8+ YOEBachelor's in mechanical or architectural engineering, 8+ years designing HVAC systems, AutoCAD and Revit MEP proficiency, familiarity with CMC, IECC/ASHRAE 90.1, LEED and NFPA, strong communication and presentation skills.
AutoCAD, Revit MEP
3w
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Mechanical Engineer, Demand Management
Austin or New York or San Francisco or Seattle
$203k-$232k/yr OnsiteFull Time
Fluidstack
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.
Modelica, TRNSYS, CFD
1mo
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Mechanical Design Engineer - Power Systems
South San Francisco, California, United States
$100k-$125k/yr OnsiteFull Time
Lightship
Lightship: Manufacturer of aerodynamic all-electric recreational travel trailers.
2+ YOEB.S. in engineering, 2+ years design engineering experience, CAD and BOM ownership, DFMEA, prototype building, test support, materials selection, strong communication and problem-solving.
CATIA (3DX)
1mo
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Senior Mechanical Engineer
Cambridge or San Francisco or Boston
OnsiteFull Time
Lumafield
Lumafield: Accessible industrial CT scanners and cloud-based analysis software
Multiple years of mechanical engineering experience with systems thinking, hands-on prototyping, product lifecycle experience, ability to lead design of complex assemblies, strong cross-functional communication and mentorship; bachelor's or master's preferred.