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56 fluids engineer jobs at 31 companies in San Francisco, CA

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Senior Chemical Engineer
Berkeley, California, United States
$112k-$140k/yr OnsiteFull Time
Form Energy
Form Energy: Developing multi-day batteries for grid-scale energy storage.
3+ YOEPhD or MS with 3+ years experience in chemistry/chemical engineering/materials science; expertise in fluid mechanics, fluid handling, sensor selection, modeling, verification testing, and defining engineering requirements.
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Sr. Thermal Engineer, Thermal & Fluid Analysis (Starship)
Hawthorne, California, United States
$130k-$180k/yr OnsiteFull Time
SpaceX
SpaceX: Designs and launches advanced rockets and satellite internet constellations.
5+ YOESenior thermal engineer with 5+ years in thermal/fluids analysis; Bachelor's in engineering; proficiency with MATLAB; preferred Master’s in engineering; experience with Thermal Desktop/ANSYS, Python.
MATLAB, Thermal Desktop, ANSYS Workbench, Python
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Mechanical Engineer
Santa Clara, California, United States
$163k-$224k/yr OnsiteFull Time
Applied Materials
Applied MaterialsNASDAQ: AMAT: Produces equipment and services for chip and display manufacturing.
10+ YOEBachelor's degree in engineering or physics, 10+ years in semiconductor/equipment or fluid delivery systems, supplier development, qualification, reliability, and cross-functional program leadership.
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Thermal Engineer
Cupertino, California, United States
OnsiteFull Time
Apple
AppleNASDAQ: AAPL: Designs and sells consumer electronics, software, and online services.
Thorough understanding of heat and fluid flow, ability to apply engineering principles to complex design problems, communicate technical material clearly, and work in a fast-paced environment.
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Mechanical Engineer
Santa Clara, California, United States
$163k-$224k/yr OnsiteFull Time
Applied Materials
Applied MaterialsNASDAQ: AMAT: Manufacturers of equipment for semiconductor and display production.
10+ YOEBachelor's in engineering or related,10+ years in semiconductor or fluid/liquid/gas delivery systems,expertise in supplier development,qualification,failure analysis and product lifecycle management.
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Process Engineer
Santa Clara, California, United States
$80k-$155k/yr HybridFull Time
Oklo
OkloNYSE: OKLO: Developing advanced fast fission nuclear power plants.
Engineering background (e.g., Mechanical/Chemical/Petroleum/Aerospace), experience designing or modifying process equipment, strong systems engineering and operations intuition, fluids/process system and compressible gas experience, and strong technical writing.
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Field Applications Engineer (Fluid Dispensing)
San Jose, California, United States
$92k-$97k/yr OnsiteFull Time
Mycronic
MycronicNasdaq Stockholm: MYCR: Develops and manufactures high-precision electronics production equipment.
2+ YOETechnical bachelor's degree preferred, 2–3 years of fluid applications or process engineering experience preferred, familiarity with conformal coating or SMT, basic electronics knowledge, and customer-facing technical support skills.
SMT
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Thermal Engineer
San Jose, California, United States
$85k-$100k/yr OnsiteFull Time
Supermicro
SupermicroNASDAQ: SMCI: Designs and manufactures high-performance server and storage solutions.
1+ YOEBachelor's in aerospace/thermal/mechanical engineering,1+ year server/PC industry thermal experience,knowledge of heat transfer,fluid dynamics,and rack/cluster cooling;strong problem solving and communication skills.
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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.
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2w
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Staff Design Engineer
San Jose, California, United States
$172k-$225k/yr OnsiteFull Time
Archer
ArcherNYSE: ACHR: Develops electric vertical takeoff and landing aircraft for urban mobility.
5+ YOEBachelor's in mechanical/aerospace engineering, 5+ years experience in fluid/lubrication or thermal management systems, CAD and 1D/CFD modeling proficiency, hands-on testing experience, strong communication and problem-solving.
GT-Power, AMESim, MATLAB/Simulink, StarCCM+, NX, Creo
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3w
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Senior Mechanical Engineer
Sunnyvale, California, United States
$135k-$160k/yr OnsiteFull Time
LTA Research & Exploration
LTA Research & Exploration: Develops and builds next-generation zero-emission rigid airships.
5+ YOEBSc in Mechanical/Aerospace Engineering, 5+ years mechanical/aerospace experience, SolidWorks and FEA experience, GD&T and manufacturing knowledge, ability to design, analyze, and validate mechanical/thermal/fluid systems.
SolidWorks, PDM, PLM, FEMAP, Nastran
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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.
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Staff Engineer, Thermal
San Jose, California, United States
$163k-$253k/yr OnsiteFull Time
Samsung Semiconductor
Samsung SemiconductorKorea Exchange: 005930: Designs and manufactures memory chips, processors, and sensors.
5+ YOEAdvanced degree in mechanical engineering or related physical science with 5–10+ years experience; deep heat transfer, fluid dynamics, and thermal simulation expertise; FloTHERM experience; strong technical communication skills.
FloTHERM
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Mechanical Engineer II
Burlingame, California, United States
$150k-$175k/yr OnsiteFull Time
Xona Space Systems
Xona Space Systems: Operates low Earth orbit satellites for high-precision navigation services.
2+ YOEB.S. or M.S. in Mechanical/Aerospace Engineering, 2+ years designing fluid/gas delivery or pressurized systems, experience with pressurized system design and qualification testing, SolidWorks/CAD proficiency, hands-on hardware experience.
SolidWorks, CAD, LabVIEW, Python
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3w
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Mechanical Engineer, Equipment Engineering
Alameda, California, United States
$128k-$162k/yr OnsiteFull Time
Sila
Sila: Manufactures silicon-based anode materials to improve battery performance.
5+ YOEBachelor's in Mechanical Engineering, 5+ years mechanical design for industrial equipment, proficiency in SolidWorks/Fusion 360/AutoCAD and FEA, experience with reactor/thermal/fluid systems, and strong safety and documentation practices.
SolidWorks, Fusion 360, AutoCAD, FEA
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Mechanical Design Engineer
Milpitas, California, United States
$118k-$200k/yr OnsiteFull Time
KLA
KLANASDAQ: KLAC: Provides process control and yield management for semiconductor manufacturing.
3+ YOEDesign precision mechanical systems for semiconductor equipment; proficiency with Pro/ENGINEER or Creo, FEA, GD&T, tolerance analysis, fluid/thermal/vibration analysis; strong mech. fundamentals and collaboration skills.
3D CAD, Pro/ENGINEER, Creo, SolidWorks, FEA, GD&T
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Senior Thermal Engineer
San Francisco, California, United States
$140k-$200k/yr OnsiteFull Time
Eight Sleep
Eight Sleep: Develops smart mattresses and temperature-regulated sleep technology.
3+ YOE3+ years thermal systems engineering experience, BSME (MS/PhD preferred), expertise in thermal/fluid analysis, simulation (IcePak, Fluent), data analysis (Python, MATLAB), CAD (SolidWorks, NX, Creo), manufacturing support in Asia, and willingness to travel ~20% to China.
IcePak, Fluent, Python, MATLAB, SolidWorks, NX, Creo
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Cryogenics Engineer (f/m/d)
Darmstadt or San Francisco
OnsiteFull Time
Focused Energy
Focused Energy: Develops laser-driven inertial fusion for clean energy generation.
3+ YOEMSc or PhD in engineering or physics, 3+ years thermal & fluids cryogenics analysis (or equivalent PhD research), experience with cryogenic systems (hydrogen preferred), thermal modeling (Thermal Desktop, COMSOL), and mentoring/leading projects.
Thermal Desktop, COMSOL
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3mo
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Sr Development Test Engineer
Alameda, California, United States
$140k-$180k/yr OnsiteFull Time
Astra
Astra: Manufacturer of orbital launch vehicles and satellite propulsion systems.
5+ YOE5+ years hands-on test engineering in propulsion or aerospace; owns test stands from concept to operation; experience with high-pressure fluid systems, cryogenics, and DAQ; read drawings; perform hazardous operations.
DAQ hardware, NI, Beckhoff, sensors, valves, transducers
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Mechanical Engineer – SoC to Rack Integration
Los Altos, California, United States
OnsiteFull Time
Majestic Labs
Majestic Labs: Developing memory-first AI server platforms for data centers.
12+ YOEB.S. or M.S. in Mechanical Engineering, 12+ years design and validation of modular electromechanical chassis and rack systems, product lifecycle ownership, metal fabrication and thermal expertise, fluid dynamics, FEA proficiency, and cross-team technical alignment.
FEA tools, Open Compute Project (OCP), ORV3
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