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Process Engineer Jobs in California.

California is the largest state economy in the United States, home to Silicon Valley technology, Hollywood entertainment, aerospace, agriculture, and a vast healthcare and services sector. Its job market stretches from the Bay Area to Los Angeles and San Diego. Browse jobs in California from companies hiring across every field.

Process engineers optimise industrial processes for quality and efficiency. Find process engineer roles from employers hiring worldwide.

Total jobs
53
positions indexed
New today
5
last 24 hours
Companies
31
actively hiring
Worldwide remote
0
from anywhere
role: Process Engineer in: California Clear all
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Anduril Industries
Senior Manufacturing Process Development Engineer, Intelligence Systems
Anduril Industries
⚡ Apply early Costa Mesa, California, United... Onsite $146,000–$194,000
● New 👁 Seen ✓ Applied 1w ago
Orcabiosystems
Senior Engineer, Process Validation - Cell Therapy
Orcabiosystems
⚡ Apply early Sacramento, CA Onsite
● New 👁 Seen ✓ Applied 1w ago
PsiQuantum
Senior Optical Process Engineer
PsiQuantum
⚡ Apply early Milpitas, California, United S... Onsite
● New 👁 Seen ✓ Applied 1w ago
PsiQuantum
Associate Process Engineer
PsiQuantum
⚡ Apply early Milpitas, California, United S... Onsite $101,400–$119,101
● New 👁 Seen ✓ Applied 1w ago
Freeform
Process Engineer (New Grad December 2026)
Freeform
⚡ Apply early Los Angeles, CA (On-site) Hybrid
● New 👁 Seen ✓ Applied 1w ago
Solcoa Industries
Senior Process Engineer
Solcoa Industries
⚡ Apply early Alameda, California Onsite $150,000–$350,000 🛂 Visa sponsorship
● New 👁 Seen ✓ Applied 2w ago
Lumilens
Component Process Engineer
Lumilens
⚡ Apply early San Jose Onsite
● New 👁 Seen ✓ Applied 2w ago
Lumilens
Sr. Process Engineer
Lumilens
⚡ Apply early San Jose Onsite
● New 👁 Seen ✓ Applied 2w ago
Hadrian Automation
Process Development Engineer, Additive Manufacturing
Hadrian Automation
⚡ Apply early Los Angeles, CA Onsite $135,000–$200,000
● New 👁 Seen ✓ Applied 2w ago
GrayMatter Robotics
Robotics Engineer: Process
GrayMatter Robotics
⚡ Apply early Los Angeles - HQ Onsite $80,000–$150,000
● New 👁 Seen ✓ Applied 2w ago
Candid Intelligence
Senior Process Engineer (Power Generation / Gas-to-Power)
Candid Intelligence
⚡ Apply early San Francisco · location restricted $100,000–$250,000
● New 👁 Seen ✓ Applied 2w ago
Diamondfoundry
Senior Laser Process Engineer
Diamondfoundry
⚡ Apply early Bay Area, California Onsite
● New 👁 Seen ✓ Applied 2w ago
Diamondfoundry
R&D Process Engineer, Advanced Bonding Process Development
Diamondfoundry
⚡ Apply early Bay Area, California Onsite
● New 👁 Seen ✓ Applied 2w ago
Diamondfoundry
Principal Laser Process Engineer
Diamondfoundry
⚡ Apply early Bay Area, California Onsite
● New 👁 Seen ✓ Applied 2w ago
Relativity Space
Sr Heat Treat Process Engineer
Relativity Space
⚡ Apply early Long Beach, California, United... Onsite $132,000–$198,000
● New 👁 Seen ✓ Applied 2w ago
Debut Biotech
Staff Process Engineer
Debut Biotech
⚡ Apply early San Diego, CA Onsite $120,000–$150,000
● New 👁 Seen ✓ Applied 2w ago
Archer
Staff Process Quality Engineer
Archer
⚡ Apply early San Jose, California, United S... Onsite $152,100–$190,000
● New 👁 Seen ✓ Applied 3w ago
Vaxcyte
Staff Engineer, Process Systems
Vaxcyte
⚡ Apply early San Carlos, California, United... Onsite $157,000–$183,000
● New 👁 Seen ✓ Applied 3w ago
Oldcastle BuildingEnvelope
Continuous Improvement / OpEx Engineer
Oldcastle BuildingEnvelope
⚡ Apply early Los Angeles, CA Onsite $83,000–$103,000
● New 👁 Seen ✓ Applied 3w ago
Divergent
Senior Materials & Process Engineer (Metallurgy)
Divergent
⚡ Apply early Torrance, California, United S... Onsite $141,380–$194,390
● New 👁 Seen ✓ Applied 4w ago
Syner-G
Staff Process Engineer
Syner-G
⚡ Apply early Tustin, California, United Sta... Onsite $170,000–$200,000
● New 👁 Seen ✓ Applied 4w ago
Syner-G
Sr. Fill Finish Process Engineer (Future Opportunities)
Syner-G
⚡ Apply early San Diego, California, United... Onsite
● New 👁 Seen ✓ Applied 4w ago
Divergent
Senior Additive Manufacturing Process Engineer
Divergent
⚡ Apply early Torrance, California, United S... Onsite $141,380–$224,500
● New 👁 Seen ✓ Applied 1mo ago
Freeform
Senior Process Engineer (Advanced R&D)
Freeform
⚡ Apply early Los Angeles, CA Onsite $140,000–$200,000
● New 👁 Seen ✓ Applied 1mo ago
Antora Energy
Senior Process Engineer
Antora Energy
⚡ Apply early San Jose, CA Onsite $200,000–$200,000
● New 👁 Seen ✓ Applied 1mo ago

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