14 reliability engineer mechanical jobs at 13 companies in Cotati, CA

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Future Talent Pipeline - Reliability Engineer
Houston or Ponca City or Roxana or Linden or Sweeny or Borger or Westlake or Billings or Rodeo or Ferndale
$114k-$196k/yr OnsiteFull Time
Phillips 66
Phillips 66NYSE: PSX: Refines, transports, and markets petroleum products and chemicals globally.
3+ YOEBachelor's in engineering,3+ years relevant reliability/rotating or mechanical experience,able to work extended hours,lift up to 50 lbs,climb ladders,willing to obtain TWIC.
SAP, CMMS
1mo
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Staff Plant Reliability Engineer
Berkeley, California, United States
$148k-$185k/yr OnsiteFull Time
Form Energy
Form Energy: Developing multi-day batteries for grid-scale energy storage.
7+ YOEDegree in electrical, mechanical, reliability engineering or related field,7+ years industry experience, expertise in reliability test development for electromechanical systems, experience with outdoor power electronics, strong communication and collaboration skills.
2w
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Hardware Reliability Engineer
South San Francisco, California, United States
OnsiteFull Time
Zipline
Zipline: Operates an autonomous drone delivery system for medical supplies.
B.S. or M.S. in engineering, strong mechanical fundamentals, hands-on experience with safety-critical electromechanical systems, DFMEA/ALT/environmental testing/failure analysis experience, and strong technical communication.
2w
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Senior Mechanical Engineer (Actuators)
San Francisco, California, United States
OnsiteFull Time
Foundation Robotics
Foundation Robotics: Building general-purpose humanoid robots for industry and defense.
3+ YOE3+ years designing high-precision rotational/mechanism assemblies; degree in mechanical engineering or related; strong statics, dynamics, controls, electromagnetism; experience with thermal analysis, FEA, 3D CAD, prototyping, and reliability testing.
FEA, 3D CAD
1w
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Mechanical Design Engineer
San Francisco, California, United States
OnsiteFull Time
Pantograph
Pantograph: Building generally intelligent, affordable robots using internet-scale video training.
Hands-on mechanical design and prototyping for durable, manufacturable robots; experience with bent sheet metal, cable routing, reliability engineering, and clear documentation.
Onshape
3w
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Mechanical Engineer, Robotics
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.
Design mechanical systems for robotics and automation, prototype to reliability testing, define interfaces and tolerances, instrument testing, collaborate with controls/software; end-effector, GD&T and DFM experience a plus.
1mo
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Advanced Packaging Reliability Engineer
San Francisco, California, United States
$266k-$445k/yr HybridFull Time
OpenAI
OpenAI: Develops artificial intelligence models and generative AI software services.
8+ YOE8+ years semiconductor package reliability experience; expertise in thermo-mechanical modeling, failure analysis, electromigration, reliability test plans, root-cause analysis, and corrective actions. MS/PhD preferred.
2d
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Senior Staff Mechanical Design Engineer
Reno or San Francisco or Singapore
$170k-$250k/yr OnsiteFull Time
Amperesand
Amperesand: Manufactures solid-state transformers for AI data centers and grids.
10+ YOEBachelor's or master's in mechanical engineering or related field, 10+ years of mechanical design experience, advanced CAD, GD&T, DFM/DFA, manufacturing, reliability, and technical leadership expertise.
3D EXPERIENCE, CATIA V6, CATIA V5, SolidWorks, NX, Creo, PLM, Windchill, Ansys Mechanical, Fluent, Maxwell, Jira, Scrum
6d
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Senior Mechanical Engineer
Brisbane, California, United States
$145k-$210k/yr OnsiteFull Time
Heirloom
Heirloom: Removes carbon dioxide from the atmosphere using limestone minerals.
5+ YOE5+ years designing products through full lifecycle; experience in reliability, FEA/fatigue, tolerance analysis, DfR, producing manufacturing drawings, and leading complex projects.
NX, PLM
3mo
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Reliability Test Intern (Fall 2026)
San Francisco, California, United States
$29/hr OnsiteInternship
Astranis
Astranis: Builds and operates small geostationary communications satellites.
Pursuing a degree in Mechanical, Electrical, or Aerospace Engineering; onsite 5 days/week; strong interest in hardware reliability; good communication; ability to multitask.
Python, MATLAB, Data Acquisition (DAQ), Thermal Chamber, Vibration Table
2d
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Actuator Gear Design Engineer
San Francisco, California, United States
$266k-$380k/yr HybridFull Time
OpenAI
OpenAI: Develops artificial intelligence models and generative AI software services.
5+ YOEBachelor’s degree in mechanical engineering, robotics, mechatronics, or related field preferred; 5+ years designing gear systems, robotic actuators, or precision mechatronic hardware; CAD, PLM, validation, reliability, and manufacturing experience.
NX, Teamcenter, CAD, PLM
5d
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Hardware Test Engineer
San Francisco, California, United States
OnsiteFull Time
Specter: Building a software-defined perception engine for the physical world.
2+ YOE2+ years hardware validation or test experience; bench skills with scopes/multimeters/logic analyzers; fixture and reliability testing experience; Python and Linux scripting; structured root-cause debugging across hardware, firmware, and mechanical.
oscilloscope, multimeter, logic analyzer, power analyzer, thermal chamber, shaker, Python, Linux, SSH
1mo
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Field Service Engineer MGC
Sacramento or San Francisco or San Jose or Modesto or Stockton
$80k-$90k/yr FieldFull Time
MGC Diagnostics
MGC Diagnostics: Sells non-invasive cardiorespiratory diagnostic systems and respiratory software.
2+ YOEAssociate or bachelor's in electronics, biomedical engineering, or related; minimum 2 years field service experience servicing medical equipment; valid driver’s license, reliable transportation; strong troubleshooting, communication, and computer skills.
CRM
1mo
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Sr Risk Engineer-Natural Resources
United States or Florida or San Francisco or Los Angeles
$150k-$170k/yr FieldFull Time
Aon
AonNYSE: AON: Global professional services firm providing risk and people solutions.
10+ YOE10+ years engineering experience in petrochemical/refining/midstream/LNG/specialty chemicals; background in process/chemical/mechanical/reliability/process safety; strong PSM/RBI/RCM/LOPA knowledge; ability to produce client-ready technical reports; willingness to travel.
NFPA, API, OSHA PSM, CCPS, RBI, RCM, LOPA, SIL, EML/MFL/BI