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117 materials engineer jobs at 71 companies in Napa, CA

2mo
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Materials Engineer
Mather or Sacramento
$100k-$180k/yr OnsiteFull Time
Rex Moore
Rex Moore: Provides integrated electrical design, construction, and maintenance services.
5+ YOEBS in Engineering (Materials, Manufacturing, Electrical, Industrial) or equivalent; 5+ years; knowledge of material compatibility and joining methods; lean manufacturing experience; 2+ years in manufacturing/production engineering.
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Materials Engineer
Mather or Sacramento
$100k-$180k/yr OnsiteFull Time
Construction Innovations: Manufactures modular electrical installation kits for energy infrastructure.
5+ YOEBS in Engineering; 5+ years manufacturing/production experience; knowledge of material compatibility and joining; Lean and regulated environments familiarity.
Lean Manufacturing, UL standards, Quality Management System (QMS), Manufacturing process design, SOPs
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R&D Materials Engineer Intern
South San Francisco, California, United States
$35/hr OnsiteInternship
Neuralink
Neuralink: Developing implantable brain-computer interfaces to restore human capabilities.
2+ YOE2+ years academic or industry experience in materials/chemical/biomedical engineering or chemistry, strong lab safety and chemical handling, experimental design, materials characterization, and communication skills.
SolidWorks, FTIR, XPS, AFM
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1w
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2026-2027 Facilities Engineering Materials Engineer
Houston or Pasadena or Pascagoula or Richmond or El Segundo or Salt Lake City
$108k-$136k/yr OnsiteFull Time
Chevron
ChevronNYSE: CVX: Global energy producing oil, gas, and petrochemicals.
0+ YOECandidates completing a Bachelors/Masters/Doctorate in Metallurgical, Materials or Corrosion Engineering or graduates with ≤2 years related experience; strong academics, communication, teamwork and problem-solving skills.
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Materials Test Engineer II
Hayward, California, United States
$75k/yr OnsiteFull Time
TransPak: A packaging testing and materials testing that provides lab services and product testing.
3+ YOEBS in Metrology/Packaging/Mechanical or Industrial Eng; 3-5 years in packaging/test lab; able to read protocols and specifications (ASTM/ISTA/IEC/MIL-STD); strong data analysis and communication.
Laboratory testing equipment, CNC machine, Drill press, SOPs, General computer literacy
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IC Packaging Engineer, Materials and Packaging Characterization
United States or San Francisco
OnsiteFull Time
Apple
AppleNASDAQ: AAPL: Designs and sells consumer electronics, software, and online services.
10+ YOEBS and 10+ years in materials characterization/experimental mechanics; strong experience in experimental mechanics, material characterization, test equipment setup, SEM/EDX/FIB, MATLAB/Python, and packaging materials reliability.
SEM, EDX, FIB, CSAM, MATLAB, Python, Gen-AI, Machine Learning
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2w
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NPI Materials Program Manager
Brisbane, California, United States
$160k-$175k/yr OnsiteFull Time
Mytra
Mytra: Develops autonomous robotics for warehouse material flow automation.
5+ YOE5-8+ years managing materials readiness for complex hardware, deep knowledge of supplier readiness, FAI/PPAP, IQC, ECO impact, PLM/ERP/MRP systems; BS in supply chain or engineering.
PLM, ERP, MRP
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Senior Materials Planner
Carlsbad or Tempe or Arizona or San Jose or San Francisco or New York City
$99k-$156k/yr OnsiteFull Time
Viasat
ViasatNASDAQ: VSAT: Provider of global satellite-based connectivity and secure communication solutions.
4+ YOE4+ years in engineering/manufacturing, bachelor's in business/supply chain or equivalent, deep knowledge of MRP/MPS/EAC/ETC/CTB, ERP proficiency, JIT/inventory expertise, Microsoft Office skills, and U.S. citizenship.
MRP, MPS, EAC, ETC, Clear-to-Build (CTB), Bill of Materials (BOM), ERP, Microsoft Word, Microsoft Excel, Microsoft PowerPoint
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3mo
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Composites Engineer
San Francisco, California, United States
OnsiteFull Time
Poseidon Aerospace
Poseidon Aerospace: Aerospace manufacturer focused on unmanned aircraft and related systems.
2+ YOEBachelor’s in Mechanical, Aerospace, Manufacturing, or Materials Eng; 2–5 years composite fabrication/manufacturing engineering in aerospace; strong composite materials knowledge; CAD tooling design; shop-floor collaboration.
CAD, CAM, Hand tools, Measuring equipment, Tooling design software
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1w
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NPI Materials Planning Intern
Burlingame, California, United States
$30/hr OnsiteInternship
Peak Energy
Peak Energy: Developing sodium-ion battery systems for utility-scale energy storage.
Pursuing or recently completed degree in supply chain, industrial/manufacturing engineering, operations, or related; spreadsheet (Excel/Sheets) experience; organized, detail-oriented, strong communicator; comfortable with ambiguity.
Microsoft Excel, Google Sheets, ERP/MRP
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3w
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Global Sourcing & Materials Manager
Austin or New York or San Francisco or United States
$180k-$280k/yr OnsiteFull Time
Fluidstack
Fluidstack: Provides high-performance cloud GPU infrastructure for AI development.
Experience expediting capital-equipment orders, managing order-tracking systems, negotiating with vendors, reading engineering drawings, coordinating multi-site procurement, and producing supply-chain reporting and recovery plans.
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Operations Engineer, GES NA Ops Engineering
Arlington or Boston or Austin or Nashville or Bellevue or Arlington or New York or San Francisco or Irving or Houston
HybridFull Time
Amazon
AmazonNASDAQ: AMZN: Global online retail and cloud computing technology provider.
4+ YOEBachelor's in industrial/manufacturing engineering; 4+ years in industrial/operations engineering; experience with material handling equipment; knowledge of automated material handling systems, packaging and storage; intermediate AutoCAD, VBA, SQL.
AutoCAD, VBA, SQL, Microsoft Office, Visio, MS Project
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PROJECT ENGINEER
Sacramento, California, United States
$78k-$90k/yr OnsiteFull Time
Balfour Beatty
Balfour BeattyLondon Stock Exchange: BBY: Provides construction, engineering, and infrastructure project services.
3+ YOEAssist project manager with project planning and execution, manage submittals and schedule, coordinate material delivery, maintain schedules and budgets; requires BS in construction/engineering or 3 years project engineer/coordinator experience and construction experience.
Microsoft Word, Microsoft Excel, Microsoft Office, Microsoft Outlook
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2w
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Manufacturing Mechanical Engineer
San Francisco, California, United States
$175k-$280k/yr OnsiteFull Time
Sesame
Sesame: Designing wearable computers with lifelike voice-driven AI agents.
7+ YOE7+ years in mechanical/manufacturing/tooling engineering; expert CAD skills; strong materials and process knowledge; experience improving quality, yield, and working with suppliers; BS in Mechanical Engineering or equivalent.
3D CAD
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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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Staff Engineer, Anode R&D
Hayward, California, United States
$125k-$153k/yr OnsiteFull Time
Blue Current
Blue Current: Develops silicon solid-state batteries for mobility and stationary storage.
3+ YOEPhD with 3+ years or MS with 6+ years or BS with 8+ years in materials/chemical engineering related to batteries; hands-on solid-state battery experience; expertise in anode materials and cell testing.
SEM, XRD, TGA, FTIR, DSC, EIS, CV, GITT
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2mo
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Lead Coating Engineer
Richmond, California, United States
$101k-$178k/yr OnsiteFull Time
Attalon
Attalon: Designs and manufactures precision optical and laser systems.
7+ YOELead the design, development, and deployment of thin-film coating processes; 7+ years in thin-film coating engineering; aerospace experience preferred; bachelor’s in physics/optics/materials science/engineering.
TFCalc, Macleod, Thin Film Deposition (Thermal Evaporation, E-Beam, Sputtering, CVD), Tooling Design, SolidWorks, MS Office
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3mo
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Process Engineer – Advanced Semiconductor Packaging
Santa Rosa, California, United States
$127k-$212k/yr OnsiteFull Time
Keysight Technologies
Keysight TechnologiesNYSE: KEYS: Provides electronic design, test, and simulation software and hardware.
3+ YOEBS/MS/PhD in mechanical engineering, manufacturing engineering, materials science, physics, chemistry or related fields with 2-5+ years in semiconductor fabrication or advanced packaging.
Wafer fabrication equipment, Process automation, Statistical process control, Design of experiments, Thermocompression, Flip chip bonding, Surface Mount Technology, Die singulation, Semiconductor fabrication, Heterogeneous integration, Advanced packaging, New technology introduction, New product introduction
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Process Engineer III
Fairfield, California, United States
$97k-$158k/yr OnsiteFull Time
Toray Advanced Composites
Toray Advanced Composites: Manufactures advanced thermoplastic and thermoset composite materials for aerospace.
Bachelor's in materials or engineering, experience with composite manufacturing, RCCA/Lean Six Sigma/FMEA knowledge, Microsoft Dynamics AX/ERP familiarity, strong communication and problem-solving skills.
RCCA, Lean Six Sigma, FMEA, SPC, SQC, ERP, Microsoft Dynamics AX
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3d
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Senior Metallurgy Engineer
San Francisco, California, United States
$100k-$131k/yr OnsiteFull Time
United Airlines
United AirlinesNASDAQ: UAL: Operates a global network of passenger and cargo flights.
5+ YOEBachelor's in metallurgy/material science/chemical engineering or equivalent aviation maintenance experience; 5+ years experience; expertise in metallurgy, heat treat, welding, and microstructure analysis; project and report skills.
SEM, scanning electron microscope
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