118 chemical engineer jobs at 62 companies in Sonoma, CA
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Senior Chemical Engineer
Berkeley, California, United States
$112k-$140k/yr OnsiteFull Time
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.
1mo
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2026-2027 Facilities Engineering Chemical Engineer
Houston or Bakersfield or Belle Chasse or Midland or Geismar or El Segundo or Pasadena or Pascagoula or Covington or Salt Lake City or Richmond or Ames or Greeley
$108k-$136k/yr OnsiteFull Time
0+ YOEBachelor's or master's in chemical engineering (students in final year considered); up to two years related experience; strong academics, communication, teamwork and problem-solving; ability to drive routinely.
1mo
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Senior Fire Protection Engineer / Chemical Engineer
Los Angeles or San Francisco or Oakland or Seattle or San Diego or Dallas or Houston or Austin
$112k-$149k/yr HybridFull Time
5+ YOE2+ MgmtBachelor's or Master's in fire protection/chemical/related engineering; minimum 5 years in fire protection engineering (8 years engineering overall); 2 years managing projects; PE preferred; knowledge of NFPA codes, process safety, and hazard analysis; familiarity with FDS, CONTAM, AutoCAD, Revit, BlueBeam, Microsoft Office.
FDS, CONTAM, AutoCAD, Revit, BlueBeam, Microsoft Office
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Intern/Co-op - Refining Chemical Engineering Fall 2026
Findlay or El Paso or Anacortes or Wilmington or Martinez or Owensboro or Canton or Canonsburg or Mandan or Salt Lake City or Dickinson or Robinson or Detroit or St Paul Park or Catlettsburg or Garyville or Texas City or Kenai or San Antonio
$33-$42/hr OnsitePart Time, Internship
Must be majoring in Chemical Engineering, strong academic performance, concurrently enrolled in a degree program, valid driver's license, authorized to work in the US indefinitely, availability for multiple co-op/term assignments preferred.
3w
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Chemical R&D Engineer
San Francisco, California, United States
$100k-$200k/yr OnsiteFull Time
3+ YOE3+ years industrial experience in reaction engineering, catalysis, or gas sorption; hands-on reactor and pilot-scale work; strong quantitative skills in thermodynamics, kinetics, heat/mass transfer; Python or MATLAB data analysis; excellent communication.
Python, MATLAB
2w
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Chemical Technician II
Concord, California, United States
$24-$30/hr OnsiteFull Time
2+ YOE2+ years chemical processing experience, high school diploma, lab safety knowledge, ability to perform titrations, lift 40 lbs, and follow engineering specifications.
3w
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Chemical and Materials Engineering Internship - Summer 2027
Alameda or Albuquerque or Oak Ridge
$28-$32/hr OnsiteInternship
Enrolled in BS/MS/PhD in chemical engineering, chemistry, materials science or related; lab/research experience preferred; MATLAB, AutoCAD, Python and Microsoft Office familiarity; strong problem‑solving and communication skills.
MATLAB, AutoCAD, Python, Microsoft Outlook, Microsoft Excel, Microsoft Word, Microsoft PowerPoint
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Chemical Data Scientist
San Francisco, California, United States
RemoteFull Time
5+ YOE5+ years in data science or data engineering, chemistry domain knowledge (CAS, SDS, NAICS), strong Python and web-scraping skills, experience with data cleaning, matching/classification models and LLMs.
Python, LLMs
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Chemical/Water Quality Eng
Austin or New York or San Francisco or Seattle
$203k-$232k/yr OnsiteFull Time
Experience engineering industrial water treatment and cooling chemistry, diagnosing and remediating corrosion/scale/biological issues, specifying treatment systems, ensuring materials compatibility, and designing monitoring programs.
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Senior Process Engineer
Tulsa or Riverton or Cairo or Beaumont or Anacortes or Richmond or Toledo
$125k-$135k/yr OnsiteFull Time
7+ YOEB.S. in Chemical Engineering,7+ years process engineering experience in chemical manufacturing,process design (PFDs,P&IDs,mass/energy balances),project scoping,technical troubleshooting,and willingness to travel 20–40%.
Aspen Plus, Aspen HYSYS
1w
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Materials Engineer
San Francisco, California, United States
$100k-$140k/yr OnsiteFull Time
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
2d
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Biomedical Engineer Intern
South San Francisco, California, United States
$35/hr OnsiteInternship
2+ YOERequires exceptional ability in materials, chemical, biomedical engineering, chemistry, or a related field; 2+ years academic or industry experience; scientific method, lab safety, chemical handling, organization, and communication skills.
SolidWorks, CAD, FTIR, XPS, AFM
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Principal Electrical Engineer
Long Beach or Richmond
$145k-$213k/yr OnsiteFull Time
BS or MS in Electrical Engineering required; strong electrical engineering experience in oil/gas/chemical projects; team leadership and mentoring; knowledge of MV/LV distribution, protective relays, power systems studies; PE preferred.
Microsoft Office Suite, ETAP, SPL
5d
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Senior Process Development Engineer
Bay Point, California, United States
$75k-$100k/yr HybridFull Time
2+ YOEBachelor's in chemical engineering, chemistry, or related discipline preferred; 2+ years of engineering experience in adhesive manufacturing or related industries; statistics and quality tools preferred.
DOE, SPC, FMEA
1mo
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Environmental Engineer 4
Concord, California, United States
$94k-$156k/yr OnsiteFull Time
5+ YOEBachelor's in Civil/Environmental/Chemical Engineering, EIT/FE within 18 months, 5 years related experience, knowledge of CADD and Microsoft Office, California PE preferred.
CADD, Microsoft Excel, Microsoft Word
1w
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Process Engineer 3
Fremont or San Francisco or Oakland
$86k-$192k/yr HybridFull Time
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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Senior Metallurgy Engineer
San Francisco, California, United States
$100k-$131k/yr OnsiteFull Time
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
2w
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Process Development Engineer
Oakland, California, United States
OnsiteFull Time
8+ YOEBachelor's in chemical/process engineering, 8+ years industrial process engineering experience, hands-on pilot-scale equipment design/build/operate/troubleshoot, PFD/P&ID and process controls familiarity, strong safety and communication skills.
2mo
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Manufacturing Process Engineer
Santa Rosa, California, United States
$99k-$183k/yr OnsiteFull Time
5+ YOE5+ years manufacturing engineering; degree in chemical/related field; PFMEA/CAPA/8D/SPC knowledge; ITAR clearance eligible; fluent in English; color vision required.
PVD, High Vacuum, MS Office, Excel, PFMEA, CAPA, 8D, SPC
1mo
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R&D Process Engineer - Wafer Wet Process Engineer
Santa Rosa, California, United States
$139k-$232k/yr OnsiteFull Time
5+ YOEM.S. or Ph.D. in materials/chemical/physics/chemistry,5+ years process engineering experience in semiconductor wet/CMP/etch/plating,SPC/DOE experience,proven problem-solving,ability to access export-controlled items (US person required).
JMP
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