134 process development engineer jobs at 102 companies in Vacaville, CA
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Sr. Process Development Engineer - Pyrolysis Test
Fort Lupton or San Francisco or Colorado or Louisiana
$98k-$148k/yrOnsiteFull Time
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.
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
Attalon: Designs and manufactures precision optical and laser systems.
5+ YOEBachelor’s degree in Manufacturing or Mechanical Engineering; 5+ years CNC programming/machining; proficient with CAM software; GD&T; reading drawings; knowledge of materials; problem-solving and teamwork.
Semiconductor Process Development Engineer - Lithography
Santa Rosa, California, United States
$127k-$212k/yrOnsiteFull Time
Keysight TechnologiesNYSE: KEYS: Provides electronic design, test, and simulation software and hardware.
5+ YOEM.S. or Ph.D. in Materials Science/Chemical Engineering/Physics/Chemistry, 5+ years semiconductor process development experience (recent cleanroom grads considered), deep lithography expertise (coating, exposure, overlay, CD-SEM), SPC/DOE experience, strong problem-solving and communication; must be U.S. person and local or willing to relocate to S...
Solidigm: Develops and manufactures NAND flash memory and solid-state drives.
3+ YOEMaster's/PhD in Mechanical Engineering preferred; 3+ years (Master's) or 5+ years (Bachelor's) in mechanical simulation, process development, or NPI; hands-on ANSYS/SolidWorks; semiconductor or electronics industry experience; strong analytical and communication skills.
Blue Current: Develops silicon solid-state batteries for mobility and stationary storage.
3+ YOEAdvanced degree in engineering/materials/chemistry with relevant experience; hands-on slurry-based electrode process development across mixing, coating, drying, and calendering; process scale-up, equipment selection, QA/QC, DOE and SPC skills.
SK pharmteco: Contract development and manufacturing for pharmaceutical companies.
2+ YOEBachelor's in Chemical Engineering,2+ years process development or manufacturing experience,knowledge of lab and pilot unit operations,GMP familiarity,strong data analysis and communication skills.
FormFactorNASDAQ: FORM: Manufacturer of semiconductor test and measurement equipment.
5+ YOEExperienced engineer for assembly and test process development for probe card architectures; strong DOE/SPC skills, failure analysis, metrology, and cross-functional collaboration. Advanced degree or equivalent experience required.
ATE Testing, DOE, SPC, Precision Metrology, Electrical Testing, Failure Analysis, Statistical Data Analysis
Candid Intelligence: AI software for pre-construction engineering and infrastructure planning.
7+ YOE7+ years at an EPC/PMC/owner-operator, strong FEED and detailed design experience, ownership of PFD and P&ID development, Aspen HYSYS/Aspen Plus experience, knowledge of API/ASME/NFPA/ISA standards, strong cross-discipline judgement.
Process Engineer/Scientist, Crystalization/Separation
Hayward, California, United States
$130k-$175k/yrOnsiteFull Time
Voya Energy: Commercializing metal-based fuel systems for clean off-grid electricity.
Experience developing crystallization/separation processes, continuous multiphase reactor and filtration systems, solid handling/characterization, cross-functional collaboration, and working in fast-paced startup environments.
Fluidstack: Provides high-performance cloud GPU infrastructure for AI development.
Experience in supplier quality or development engineering, process audits, PPAP/first articles, root-cause problem solving on supplier floors, and supplier capacity building.
Spectra Tech: Engineering and environmental services for the nuclear energy industry.
5+ YOEBachelor's in a relevant field and 5 years of directly relevant experience; Creo/SolidWorks; GD&T; design for multiple manufacturing processes; DOE Q security clearance.
AppleNASDAQ: AAPL: Designs and sells consumer electronics, software, and online services.
2+ YOE2+ years in ETL/data processing with Spark/Flink/Kafka; strong OO programming (Scala/Java); SQL and data modeling; Python scripting; NoSQL experience; GenAI tooling; BS in CS/Software Eng; MS preferred.
Copper: Manufacturing battery-integrated induction stoves for simple home electrification.
2+ YOE2–5 years of hands-on mechanical/product development engineering; experience with hardware products; CAD proficiency; knowledge of volume manufacturing processes; strong collaboration and communication.
10x GenomicsNASDAQ: TXG: Develops platforms for high-resolution single-cell and spatial biological analysis.
0+ YOEPh.D. in Chemical Engineering or Chemistry; 0-3 years industry experience; knowledge of polymer, surfactant, or surface chemistry; process development, scale-up, validation, statistical process control, documentation, and strong communication skills.
Benchling: Cloud platform for biotechnology research and development.
3+ YOE3+ years professional software engineering; full-stack across backend Python and frontend React; collaborative; experience with AI tools; interest in life sciences.
Python, React, AI tools (Cloud agents, Cursor, Claude Code)
Vector Atomic: Develops precision quantum sensors for navigation and timing applications.
3+ YOE3+ years in manufacturing engineering or hardware development; degree in Mechanical, Electrical, Optical Engineering, Applied Physics or related field; hands-on precision assembly and automation experience; data-driven process control knowledge.
1X: Manufacturing safe, general-purpose humanoid robots for home and work.
5+ YOEBachelor's in engineering, 5+ years manufacturing engineering for precision electromechanical products; experience with CAM, fixture and tooling design, precision machining, DFM, GD&T, CMM, SPC, CAD/PLM/ERP, and NPI/process development.