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132 process development engineer jobs at 95 companies in Petaluma, CA

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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 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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2mo
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Process Development Engineer - CNC
Richmond, California, United States
$92k-$157k/yr OnsiteFull Time
Attalon
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.
GibbsCAM, Mastercam, Fusion 360, NX, Esprit, Predator, Vericut
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1mo
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Semiconductor Process Development Engineer - Lithography
Santa Rosa, California, United States
$127k-$212k/yr OnsiteFull Time
Keysight Technologies
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...
CD-SEM, SPC, DOE
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Staff Electrode Process Engineer
Hayward, California, United States
$125k-$167k/yr OnsiteFull Time
Blue Current
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.
MES
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Scientist, Process Development (I,II,III)
South San Francisco or Bridgewater
$90k-$210k/yr OnsiteFull Time
Cellares
Cellares: Automated manufacturing platform for large-scale cell therapy production.
0+ YOEDegree in bioengineering/chemical engineering/biology/biochemistry (BSc/MSc/PhD). 0–15 years process development experience in cell and gene therapy; GMP/clinical manufacturing preferred; DOE, scale-up, troubleshooting, autologous/allogeneic experience; strong communication.
Design of Experiments (DOE), flow cytometry
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Senior Process Engineer (Preconstruction)
San Francisco, California, United States
$150k-$250k/yr RemoteFull Time
Candid Intelligence
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.
Aspen HYSYS, Aspen Plus
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R&D Process Engineer - Metrology
Santa Rosa, California, United States
$139k-$232k/yr OnsiteFull Time
Keysight Technologies
Keysight TechnologiesNew York Stock Exchange: KEYS: Manufactures hardware and software for electronic test and measurement.
5+ YOEMetrology-focused process development, SPC/DOE, data analytics, cross-functional collaboration, 5+ years semiconductor processing experience.
Metrology tools, SPC, DOE, Statistical tools, JMP
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Process Engineer/Scientist, Crystalization/Separation
Hayward, California, United States
$130k-$175k/yr OnsiteFull Time
Voya Energy
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.
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Principal Scientist, Purification Process Development
South San Francisco, California, United States
$159k-$207k/yr OnsiteFull Time
Denali Therapeutics
Denali TherapeuticsNASDAQ: DNLI: Developing medicines for neurodegenerative and lysosomal storage diseases.
10+ YOEPhD in biology/biochemistry/chemical engineering or related, 10+ years of experience; purification process characterization and validation; PPQ; CMOs; analytical methods (ELISA, HPLC, UV, SDS-PAGE) and biophysical techniques.
AKTA, HPLC, LC/MS, SDS-PAGE, DLS
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Supplier Development Engineer
Austin or New York or San Francisco or Seattle
$186k-$223k/yr OnsiteFull Time
Fluidstack
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.
PPAP, SPC, MSA, FMEA
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2mo
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Executive Director, Purification Process Development – Pivotal & Commercial Biologics
Foster City, California, United States
$281k-$364k/yr OnsiteFull Time
Gilead Sciences
Gilead SciencesNASDAQ: GILD: Develops and sells medicines for life-threatening infectious diseases.
14+ YOEBachelor/Master/PhD with 14/12+ years of experience; leadership in purification process development for biologics; cGMP and regulatory filings; strong cross-functional leadership.
chromatography, filtration, conjugation, biologics purification, process development
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Software Development Engineer - Data
Cupertino or San Francisco or United States
OnsiteFull Time
Apple
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.
Apache Spark, Apache Flink, Kafka, Iceberg, Scala, Java, Python, Cassandra, Voldemort, Memcached, Airflow, SQL
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Mechanical Engineer, New Product Development
Berkeley, California, United States
$105k-$125k/yr HybridFull Time
Copper
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.
CAD, GD&T
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2mo
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Software Engineer, Full Stack (Process Execution)
San Francisco, California, United States
HybridFull Time
Benchling
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)
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2mo
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Senior Director, Process Sciences
South San Francisco, California, United States
$230k-$270k/yr OnsiteFull Time
Allogene Therapeutics
Allogene TherapeuticsNASDAQ: ALLO: Develops allogeneic cell therapies for cancer and autoimmune diseases
12+ YOE5+ MgmtPhD/MS/BS in Chemical Engineering, Biochemistry, Molecular & Cell Biology, Immunology; 12+ years in process development with 5+ years in management; cell therapy/viral vector experience; leadership and collaboration skills; authorized to work in the U.S.
Process Development, Quality by Design, DOE, Regulatory Filing, BLA, IND, GMP, CAR-T, cell therapy, project management
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1mo
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Manufacturing Engineer
Hayward, California, United States
$105k-$220k/yr OnsiteFull Time
1X
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.
CAM, CAD, PLM, ERP, CMM, GD&T, SPC
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Product Engineer
Alameda or Milpitas
$114k-$228k/yr OnsiteFull Time
Abbott
AbbottNYSE: ABT: Manufactures medical devices, diagnostics, and nutritional health products.
4+ YOEBS in engineering or CS required; 4+ years in software development, electrical design/testing, or process verification; medical device experience preferred; experience with embedded and application software and manufacturing validation.
C#, Python, C++, C, SMT, digital multimeters, oscilloscopes, UART, SPI, NFC, Bluetooth
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Software Engineer II
San Francisco, California, United States
$151k-$227k/yr HybridFull Time
The Trade Desk
The Trade DeskNASDAQ: TTD: Cloud-based programmatic advertising platform for data-driven media buying.
Backend software engineer responsible for designing, developing, and maintaining services and data processing pipelines.
Java, Scala, Python, Kubernetes, Docker, GitLab CI, Apache Spark
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Mechanical Engineer – Field Integrations
Alameda, California, United States
$115k-$125k/yr FieldFull Time
Rondo Energy
Rondo Energy: Manufactures thermal batteries for industrial zero-carbon heat delivery.
3+ YOEBachelor's in Mechanical/Manufacturing Engineering, 3–8 years developing manufacturing/assembly/installation processes, strong SolidWorks and geometric tolerancing skills, cross-functional experience.
SolidWorks, MBOM
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