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377 process engineer jobs at 230 companies in Napa, CA

3mo
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Sr. Process Engineer
Hayward, California, United States
$109k-$119k/yr OnsiteFull Time
Blue Current
Blue Current: Develops silicon solid-state batteries for mobility and stationary storage.
5+ YOE5+ years in process/equipment engineering in batteries/semiconductors; BS in engineering or related field; strong DOE, data analysis, and problem-solving skills.
Coating, Slurry mixing, Calendering, DOE, Python, JMP
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1w
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Process Engineer
Berkeley or Menlo Park
$90k-$150k/yr OnsiteFull Time
AttoTude
AttoTude: Developing terahertz-based interconnect solutions for AI data centers.
Hands-on micro- and nanofabrication experience in a cleanroom; operate photolithography, deposition, etch, and metrology tools; follow safety/chemical protocols; document processes and troubleshoot yield issues.
spin coater, mask aligner, developer, evaporation, sputtering, PECVD, RIE, DRIE, wet etch, optical microscopy, profilometry, ellipsometry, SEM
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1mo
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Process Engineer
South San Francisco, California, United States
$90k-$210k/yr OnsiteFull Time
Cellares
Cellares: Automated manufacturing platform for large-scale cell therapy production.
3+ YOEBachelor's in a scientific field, 3+ years biotech/biopharma cGMP operations experience with technology transfer; experience with GMP documentation, process validation, statistical analysis, and strong analytical and communication skills.
eBR, MES, QMS, ERP, LIMS
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1mo
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Senior Process Engineer
Oakland or Stamps
$150k-$190k/yr OnsiteFull Time
Magrathea
Magrathea: Produces carbon-neutral magnesium metal from seawater and brines.
Hands-on process engineer for electrolytic magnesium production; strong mechanical/electrical/fabrication skills, PLC and instrumentation experience, P&ID interpretation, welding, high‑temperature and lab safety, troubleshooting, and willingness to travel to Arkansas up to 2 weeks/month.
PLC, P&ID, AI tools
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2mo
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Manufacturing Process Engineer
San Francisco, California, United States
HybridFull Time
Oura
Oura: Sells smart rings that track and analyze personal health data.
Senior-level manufacturing process engineer with hands-on factory experience, DFM/ DFA, DOE, SPC, PFMEA, and process qualification across EVT to mass production.
DFM, DFA, PFMEA, DOE, SPC, MSA, Cp/Cpk, AQL, 5S, Lean manufacturing, Kaizen
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1mo
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Process Engineer
San Leandro, California, United States
$72k-$85k/yr OnsiteFull Time
Coreshell
Coreshell: Manufacturing high-capacity battery cells using silicon-anode technology.
0+ YOEBachelor's in a relevant engineering or science field, 0-2 years' experience in battery cell manufacturing preferred, strong analytical/problem-solving, DOE/SPC/MSA/FMEA familiarity, data analysis skills (Python, JMP, Minitab, Tableau).
Python, JMP, Minitab, Tableau, DOE, SPC, MSA, FMEA, viscometer, caliper, UTM
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1d
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Senior Process Engineer Technical Services
Oakland, California, United States
$160k/yr FieldFull Time
Radius Recycling
Radius Recycling: Recycles scrap metal and manufactures finished steel products.
5+ YOEBachelor's in engineering and 5+ years process engineering/project management experience; valid driver's license; experience in recycling or heavy industry preferred; continuous improvement and safety focus; able to lift 50 lbs.
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1d
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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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2mo
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Process Engineer – Formation
San Leandro, California, United States
$128k-$192k/yr OnsiteFull Time
Lyten
Lyten: Manufactures graphene-enhanced batteries, materials, and industrial sensors.
2+ YOE2+ years engineering experience in electrical or electromechanical systems; strong in SQL, data analysis, GD&T, and CAD tools; able to perform root-cause analysis and lead technology transfer.
SQL, R, JMP, Minitab, GD&T, Solidworks, Python
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2mo
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Senior Process Design Engineer
Los Angeles or Irvine or San Diego or San Francisco
$122k-$194k/yr HybridFull Time
Arcadis
ArcadisEuronext Amsterdam: ARCAD: Global design, engineering, and consultancy for natural and built assets.
10+ YOEB.S. in civil or mechanical engineering and P.E. (California), 10+ years in process mechanical engineering for water/wastewater, CAD/BIM and Microsoft Office proficiency, strong communication and mentoring skills.
CAD, BIM, Microsoft Word, Microsoft Excel, Microsoft PowerPoint
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1mo
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Process Safety Engineer (PSM)
Madrid or Alameda or United States or Germany or Portugal or Thailand or Australia
OnsiteFull Time
Rondo Energy
Rondo Energy: Manufactures thermal batteries for industrial zero-carbon heat delivery.
10+ YOEB.S. in engineering and ~10+ years process/process-safety experience; demonstrated HAZOP/PHA facilitation; multi-site/international PSM experience; IEC 61511 and functional safety practice; willing to travel 25–40%.
HAZOP, HAZID, LOPA, IEC 61511, API 754, FMEDA, SIL, PSSR, PSI, SIS
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4d
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Process Engineer
Martinez, California, United States
$93k-$165k/yr OnsiteFull Time
PBF Energy
PBF EnergyNYSE: PBF: Refines petroleum and supplies transportation fuels and petrochemical products.
STEM degree or equivalent refinery experience; available for off-hours/on-call response; valid driver’s license and active or obtainable TWIC; ability to perform field inspections and climb/lift.
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1mo
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Process Engineer III
Emeryville, California, United States
$112k-$150k/yr HybridFull Time
CRB
CRB: Provides design and construction services for life sciences facilities.
5+ YOEABET-accredited Bachelor's in engineering, minimum 5 years industry/design experience, strong communication, intermediate industry/regulatory knowledge; EIT or PE preferred; ability to lead design, manage scope/budget/schedule, and mentor junior staff.
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3w
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Process Engineer - Power Infrastructure and Datacenters
San Francisco or New York City or Denver or Austin or Calgary or Toronto or United States or Canada
$188k-$200k/yr RemoteFull Time
Intersect
IntersectNASDAQ: GOOGL: Develops-located data centers and renewable energy infrastructure.
3+ YOEBachelor's in engineering required, 3+ years process engineering experience in power generation, experience with gas/steam/reciprocating engines, proficiency with Aspen HYSYS, HTRI, EDR, Bluebeam, experience with PFD/P&ID and HAZOP/LOPA, up to 20% travel.
Aspen HYSYS, HTRI, EDR, Bluebeam
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2mo
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Senior Process Engineer, MSAT
Alameda, California, United States
$72-$89/hr OnsiteContract, Full Time
GeneFab
GeneFab: Specialized contract manufacturing for advanced cell and gene therapies.
6+ YOELead GMP implementation of internal platform processes for cell and gene therapy; tech transfer, regulatory support, and CMC documentation.
GMP, DoE, CMC, Regulatory documentation
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3mo
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Process Development Engineer, Chemistry
Berkeley, California, United States
$80k-$110k/yr OnsiteFull Time
Aralez Bio
Aralez Bio: Produces noncanonical amino acids for drug development through biocatalysis.
4+ YOEBS or MS in Chemical Engineering or Chemistry; 4+ years in organic/process chemistry or chemical production; hands-on with reactors 100–1000L; SOPs; safety and quality compliance.
chemical reactors, filters, pumps, TLC, HPLC, LCMS, pH meter
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3w
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Sr. Process Development Engineer - Pyrolysis Test
Fort Lupton or San Francisco or Colorado or Louisiana
$98k-$148k/yr OnsiteFull Time
Charm Industrial
Charm Industrial: Sequesters carbon by converting biomass residues into bio-oil.
7+ YOEBachelor's in engineering, 7+ years process development/scale-up experience with pilot systems, strong heat transfer/reaction engineering/process safety knowledge, hands-on troubleshooting, process modeling, and cross-functional leadership.
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3mo
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Process Engineer, Lithium Extraction
Oakland, California, United States
$90k-$122k/yr OnsiteFull Time
Lilac Solutions
Lilac Solutions: Develops ion-exchange technology for efficient lithium extraction from brine.
Bachelor’s degree in chemical or mechanical engineering or related field; experience with laboratory equipment; data analysis; strong communication; able to travel up to 25%.
Programmable Logic Controllers (PLCs)
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2mo
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Senior Process Design Engineer
Los Angeles or Irvine or San Diego or San Francisco
$122k-$194k/yr HybridFull Time
Arcadis
ArcadisEuronext Amsterdam: ARCAD: Designing and engineering sustainable solutions for natural and built environments
10+ YOEBachelor's in Civil or Mechanical Engineering; 10+ years in process mechanical engineering for water/wastewater facilities; California PE license; mechanical or civil PE preferred; 15+ years preferred.
CAD, BIM, Microsoft Office
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1mo
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Senior Process Engineer, Water
Walnut Creek, California, United States
$191k-$295k/yr HybridFull Time
Stantec
StantecTSX: STN: Provides professional engineering, architecture, and environmental consulting services.
15+ YOE15+ years water treatment experience; CA PE or PE with ability to obtain CA within 1 year; B.S. in civil/environmental/chemical engineering (M.S. preferred); design and construction services experience; valid driver’s license.
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