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110 material engineer jobs at 71 companies in Petaluma, CA

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Material Handling & Intralogistics Engineer
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 material handling for heavy manufacturing (cranes, AGVs, conveyors), plant layout and throughput calculation, equipment specification and commissioning, safety-focused design, and continuous flow improvement.
FlexSim, Plant Simulation, WMS, WES
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Principal/Sr Principal Material Process Engineer
Santa Rosa, California, United States
$104k-$194k/yr OnsiteFull Time
Northrop Grumman
Northrop GrummanNYSE: NOC: Designs and manufactures advanced aerospace and defense systems.
5+ YOEBachelor's in STEM with 5+ years (or Master's) experience in thin‑film/process engineering, ability to work safely with chemicals, Microsoft Office experience, and eligibility for Secret DOD clearance and SAP access.
TFCalc, OptiLayer, Microsoft Word, Microsoft PowerPoint, Microsoft Excel
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Principal/Sr Principal Material Process Engineer
Santa Rosa, California, United States
$104k-$155k/yr OnsiteFull Time
Northrop Grumman
Northrop GrummanNYSE: NOC: Develops and manufactures advanced aerospace, defense, and space systems.
5+ YOEBS in STEM and 5+ years (or MS and alternative experience) in thin‑film/process engineering, ability to work with chemicals and PPE, ability to obtain Secret security clearance and SAP access, Microsoft Office experience.
Microsoft Word, Microsoft PowerPoint, Microsoft Excel, TFCalc, OptiLayer
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Materials Engineer
San Francisco, California, United States
$100k-$140k/yr OnsiteFull Time
Mariana Minerals
Mariana Minerals: Building software-first infrastructure to produce and refine critical minerals.
MS in materials science, chemistry, materials engineering, or chemical engineering; PhD preferred. Requires materials synthesis, characterization, process design, scale-up, analytical, and communication skills.
XRD, SEM, TEM, BET, TGA/DSC, OLI systems
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Staff Process Design Engineer - Material Handling
Alameda, California, United States
$151k-$191k/yr OnsiteFull Time
Sila
Sila: Manufactures silicon-based anode materials to improve battery performance.
6+ YOEBachelor's or master's degree in chemical or mechanical engineering, 6+ years of industrial process design experience, process simulation, HMBs, PFDs, P&IDs, safety compliance, HAZOP, MOC, and commissioning experience.
ASPEN, HYSYS, Heat and Material Balances (HMBs), PFDs, P&IDs, NFPA, API, ASME, OSHA, HAZOP, Management of Change (MOC)
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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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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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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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Process Engineer, ESS
Burlingame, California, United States
$90k-$140k/yr OnsiteFull Time
Peak Energy
Peak Energy: Developing sodium-ion battery systems for utility-scale energy storage.
Bachelor's in engineering, proven battery manufacturing experience, knowledge of materials science, Six Sigma/Lean, process simulation, strong problem-solving and communication skills.
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Mechanical Engineer
Shenzhen or Suzhou or Thailand or Malaysia or Emeryville
RemoteFull Time
Eko Health
Eko Health: Develops AI-powered stethoscopes and cardiac disease detection software.
5+ YOEBachelor's degree in a relevant engineering or materials discipline, 5+ years of regulated medical device manufacturing experience, process validation expertise, supplier audit experience, CAD proficiency, and Mandarin and English fluency.
IQ/OQ/PQ, FDA 21 CFR Part 820, ISO 13485, GD&T, pFMEA, SPC, Cpk, Ppk, 510(k), PLM, QMS, SolidWorks
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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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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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Senior Engineer (Bay Area)
San Francisco, California, United States
$130k-$160k/yr HybridFull Time
actnano
actnano: Provides protective nanocoatings for electronic and automotive components.
Degree in engineering, chemistry, or materials science; experience supporting electronics customers; familiarity with coating application and manufacturing processes; strong customer-facing technical skills; travel 15-20%.
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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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Process Engineer - Metallurgy
Hayward, California, United States
$110k-$140k/yr OnsiteFull Time
Morgan Advanced Materials
Morgan Advanced MaterialsLondon Stock Exchange: MGAM: Engineers and manufactures advanced carbon and ceramic industrial materials.
Bachelor's or Master's in Materials Science or Metallurgical Engineering required; experience in metal casting/forming, DOE/SPC, continuous improvement, strong communication and ability to manage multiple projects.
Design of Experiments (DOE), Statistical Process Control (SPC), Lean, Six Sigma, Kaizen
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Process Engineer 3
Fremont or San Francisco or Oakland
$86k-$192k/yr HybridFull Time
Lam Research
Lam ResearchNASDAQ: LRCX: Manufacturing equipment used to fabricate advanced semiconductor microchips.
3+ YOEMaster's in materials science, chemical engineering, chemistry, physics, or related field plus 3+ years' experience; or PhD with no professional experience. Scientific computing and semiconductor process knowledge preferred.
MATLAB, Python, JMP, Minitab, Statistical Process Control (SPC), Design of Experiments (DOE), Atomic Layer Deposition (ALD), Chemical Vapor Deposition (CVD), Plasma Enhanced Chemical Vapor Deposition (PECVD), Physical Vapor Deposition (PVD), Plasma Physics, Reactive Ion Etching (RIE), Atomic Layer Etching (ALE), Inductively Coupled Plasma (ICP), Capacitively Coupled Plasma (CCP)
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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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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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Manufacturing Engineer II - Metals
Alameda, California, United States
$95k-$127k/yr OnsiteFull Time
Penumbra
PenumbraNYSE: PEN: Designs and manufactures medical devices for vascular conditions.
1+ YOEBachelor's in engineering or related plus 1+ years engineering experience; manufacturing or medical device experience preferred; knowledge of FDA regulations, Lean, materials/processes; strong communication; proficiency with Microsoft Office and other computer applications.
Microsoft Word, Microsoft Excel, Microsoft PowerPoint, Microsoft Access
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