40 reliability engineer mechanical jobs at 29 companies in Fairfax, CA

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Senior Mechanical Hardware Reliability Engineer
South San Francisco, California, United States
$140k-$180k/yr OnsiteFull Time
Zipline
Zipline: Operates an autonomous drone delivery system for medical supplies.
5+ YOEBachelor's or master's degree in mechanical engineering, materials engineering, or related discipline; 5+ years developing and validating safety-critical electromechanical systems; reliability, failure analysis, and testing expertise.
Design-for-Reliability (DfR), Physics-of-Failure (PoF), FMEA, Accelerated Life Testing (ALT), DFMEA
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Reliability Engineer
San Carlos, California, United States
$110k-$150k/yr OnsiteFull Time
Swift Solar
Swift Solar: Developing and manufacturing high-efficiency perovskite tandem solar panels.
3+ YOE3+ years PV module reliability experience, ability to diagnose failure mechanisms, experience with external testing labs, strong PV device physics knowledge, and proficiency in statistical analysis (e.g., JMP).
JMP, FMEA, 8D, RCA, DFR
2w
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Staff Reliability Engineer
Menlo Park, California, United States
$151k-$178k/yr OnsiteFull Time
Mainspring Energy
Mainspring Energy: Manufactures fuel-flexible linear generators for onsite power generation.
8+ YOEBachelor's degree in electrical or mechanical engineering and 8+ years of reliability testing experience, or 5+ years with a related master's degree. Requires FMEA, failure analysis, instrumentation, and data analysis expertise.
FMEA, HALT, Python, Matlab, Google Docs, Weibull ++, JMP, CAPA, RCA, 8D, DAQ, X-ray, CT, UL, NFPA, IEC
4d
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Hardware Reliability Engineer
San Francisco or Finland
$172k-$203k/yr HybridFull Time
Oura
Oura: Sells smart rings that track and analyze personal health data.
5+ YOERequires 5+ years in hardware reliability, validation, or test engineering; reliability test design and execution; mechanical, environmental, and electrical testing; failure analysis; data interpretation; and English communication.
Design Failure Mode and Effects Analysis (DFMEA), Process Failure Mode and Effects Analysis (PFMEA), Failure Reporting, Analysis, and Corrective Action System (FRACAS)
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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
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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.
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Mechanical Engineer
Mountain View, California, United States
OnsiteFull Time
Dusty Robotics
Dusty Robotics: Automated site layout solutions for the construction industry.
7+ YOE7+ years electro-mechanical design to production; manufacturing processes experience; design for manufacturing and reliability.
CAD, finite element analysis, manufacturing processes, structural analysis
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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
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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
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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.
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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.
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Lead Mechanical Engineer, Compute Systems
San Carlos, California, United States
$150k-$225k/yr OnsiteFull Time
Cowboy Space
Cowboy Space: Building satellite-based orbital infrastructure for AI data centers.
5+ YOEBachelor's degree in mechanical, aerospace, or related engineering; 5+ years in aerospace, defense, or high-reliability flight hardware; CAD, drawing/GD&T, structural and thermal analysis, qualification, and team leadership experience.
NX, SolidWorks, 3D CAD, GD&T
2w
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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
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Sr. Staff Thermo-Mechanical Engineer
Mountain View, California, United States
$169k-$244k/yr HybridFull Time
Lightmatter
Lightmatter: Develops photonic processors and interconnects for AI data centers
MS or PhD in mechanical engineering, materials science, or related engineering; deep Ansys or Abaqus FEA expertise; multiphysics packaging simulation, semiconductor reliability, Python or MATLAB, and validation experience.
Ansys, Abaqus, Python, MATLAB, JMP
6d
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Senior Mechanical Engineer - Spacecraft Instrument Mechanisms
Mountain View, California, United States
$183k-$198k/yr OnsiteFull Time
Muon Space
Muon Space: Designs, builds, and operates low Earth orbit satellite constellations.
8+ YOERequires 8+ years designing, building, and testing high-reliability hardware; a bachelor's degree in mechanical engineering or related field; CAD, SolidWorks, GD&T, BOM, PLM, vendor management, and technical leadership experience.
SolidWorks, FEMAP, ANSYS, SolidWorks PDM, Duro, Python, MATLAB, PLM
2w
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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
3w
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Reliability Centered Maintenance Engineer (RCM) -Pending Award
Moffett Field, California, United States
OnsiteFull Time
Chugach Government Solutions
Chugach Government Solutions: Provides facility management, construction, and technical services for government agencies.
3+ YOEBachelor's in mechanical or electrical engineering (or current enrollment), valid driver's license, background/drug screening, CMMS and MS Office experience, reliability analyses experience; CRE and government-contract experience preferred.
Microsoft Word, Microsoft Excel, Microsoft Outlook, Microsoft PowerPoint, CMMS, CADD, GIS
1mo
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Reliability Design Engineer - Motors, Mechanisms and Electronics
Mountain View, California, United States
$120k-$200k/yr OnsiteFull Time
Matic
Matic: Develops autonomous, vision-based floor cleaning robots for homes.
2+ YOETechnical degree in a hardware discipline, 2+ years hardware design experience, proficiency in CAD and Python, hands-on electromechanical and data acquisition experience, and ability to design and run accelerated reliability tests.
CAD, Python
1mo
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Hardware Reliability And Materials Validation Engineer / Technician
Fremont, California, United States
$70k-$120k/yr OnsiteFull Time
Tata Consultancy Services
Tata Consultancy ServicesNational Stock Exchange of India: TCS: Global provider of IT services, consulting, and business solutions.
3+ YOE3+ years hands-on R&D or hardware reliability lab experience; operate environmental and mechanical test equipment; materials characterization and failure analysis; lab operations and EHS adherence; strong communication and documentation skills.
Jira
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

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