34 chemical engineer jobs at 27 companies in San Jacinto, CA
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Staff Chemical Engineer - Water Systems and Chemistry
Chino, California, United States
HybridFull Time
5+ YOEBachelor’s in Chemical/Environmental Engineering or Chemistry (ABET); 5+ years water chemistry and water-system development; sanitizer chemistry experience; test protocols and data analysis; strong communication and prioritization.
spectrophotometry, titration, ion chromatography, ORP, pH, conductivity, microbial assays, AOP, UV, ozone, electrolytic chlorination
2mo
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Chemical Engineer I, NPI & Transfers
Aliso Viejo, California, United States
$63k-$75k/yr OnsiteFull Time
0+ YOEBSc in Engineering required; 0–2 years manufacturing/process development experience minimum. Proficiency with SolidWorks, inferential statistical analysis, Microsoft Word/Excel/Teams/Outlook. Process validation and DOE/Cpk experience desired.
SolidWorks, Microsoft Word, Microsoft Excel, Microsoft Teams, Microsoft Outlook
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Process Engineer, Chemical and Mechanical Polish (CMP)
Temecula, California, United States
$100k-$140k/yr OnsiteFull Time
MS or PhD in EE/Materials/Physics/Chemistry, hands-on CMP/fab processing experience, strong data analysis/statistics and communication skills, ability to support 24/7 manufacturing.
MS Office Word, Microsoft Excel, MS Office PowerPoint, Statistical Process Control (SPC), Design of Experiments (DOE)
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Process Engineer II
Fontana, California, United States
$80k-$110k/yr OnsiteFull Time
2+ YOEBachelor's degree in electrical, mechanical, or chemical engineering and 2+ years of related manufacturing experience. Requires engineering fundamentals; Google Suite, PLC, and AutoCAD proficiency preferred.
Google Suite, PLC, AutoCAD, Statistical Process Control (SPC), PPA, FMEA, Fishbone analysis, Standard Operating Procedures (SOPs), Job Safety Analyses (JSAs)
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Environmental Engineer 4
Carlsbad, California, United States
$94k-$156k/yr HybridFull Time
5+ YOEBachelor's degree in civil, environmental, or chemical engineering preferred, EIT or FE certification, 5 years of related experience, valid driver's license, and water or wastewater engineering expertise.
Microsoft Excel, Microsoft Word, Bluebeam, GIS
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Pouring Line Engineer
Riverside, California, United States
$69k-$88k/yr OnsiteFull Time
0.5+ YOEBachelor's degree in chemical engineering, chemistry, or mechanical engineering; six months to one year of experience; willingness to work hands-on in production and use lean manufacturing methods.
PLC
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Color Engineer
Rialto or United States
$97k-$126k/yr HybridFull Time
5+ YOEBachelor's in chemical engineering/materials/color science; 5+ years in color formulation, matching, or quality control; experience with spectrophotometers, pigments, automation/inline measurement systems, and color software; strong analytical and communication skills.
spectrophotometers, color software, digital tools and databases, automation systems, inline color measurement systems, dispensing systems, mixing systems, application systems
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Environmental Compliance Engineer
Catawba or Rancho Cucamonga or High Point or Ontario
$85k-$115k/yr OnsiteFull Time
3+ YOEBachelor's degree in environmental, chemical, or related engineering; 3+ years in heavy manufacturing; environmental compliance, permitting, reporting, auditing, and regulatory knowledge required.
Microsoft Office
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Operational Excellence Process Engineer
Carlsbad, California, United States
$102k-$154k/yr OnsiteFull Time
5+ YOEBS in chemical or related engineering, 5+ years manufacturing/process engineering with Lean Six Sigma experience; Green Belt certified; proficiency in data storytelling, SPC, and analytics; experience with technology transfer and OE tools.
Palantir Foundry, SPC
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Principal Water Wastewater Engineer
Irvine, California, United States
$178k-$277k/yr HybridFull Time
15+ YOEBachelor's degree in civil, environmental, or chemical engineering; 15+ years of water/wastewater experience; professional engineering license; valid driver's license; project leadership and client management skills.
2w
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Pouring Line Engineer
Riverside, California, United States
$69k-$88k/yr OnsiteFull Time
0.5+ YOEB.S. in Chemical/Mechanical Engineering or Chemistry, six months to one year experience, hands-on production mindset, lean/JIT familiarity, able to supervise hourly personnel and work autonomously.
PLC
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Commercial Applications Engineer: Printed Electronics
United States or Scottsdale or Bay Point or Irvine or Denver or Rocky Hill or Enoree or Greenville or Dallas or Houston
$110k-$130k/yr OnsiteFull Time
Master's in engineering preferred, high electronics/mechanical/chemical aptitude, printing/coating and adhesives experience preferred, experience with antennas/EMI preferred, up to 50% domestic travel, technical leadership and lab equipment management.
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Field Operations Engineer
Corona, California, United States
$90k-$130k/yr FieldFull Time
3+ YOEBachelor's in mechanical or chemical engineering (or equivalent experience), 3-5 years commissioning/start-up experience preferred, familiarity with piping and water treatment equipment, Microsoft Office proficiency, valid driver’s license, ability to lift 20-50 lbs, strong communication and safety skills.
Microsoft Office
3mo
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Lecturer - Chemical & Biomolecular Engineering
Irvine, California, United States
$8k-$9k/mo OnsitePart Time
B.S. or M.S. in chemical engineering or related field required; industrial experience or prior teaching preferred; applicants must submit CV, cover letter, teaching statement, and references.
2w
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2027 Fall Co-Op: Chemical, Mechanical and Electrical Engineering Opportunities - Qnity Electronics
Wilmington or Newark or Circleville or Dayton or Towanda or Marlborough or Pasadena or Hayward or Midland or Carlsbad or Schaumburg or Cleveland or Parlin
OnsiteFull Time
Enrolled full-time in a Bachelor's or Master's ABET‑accredited engineering program (Chemical, Mechanical, Electrical), GPA ≥3.0, legal right to work in the U.S. without sponsorship.
1w
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Environmental Compliance Engineer (28733)
Catawba or Ontario or High Point or Rancho Cucamonga
$85k-$115k/yr FieldFull Time
3+ YOEBachelor's degree in environmental, chemical, or related engineering; 3+ years of environmental engineering experience in heavy manufacturing; multi-site compliance experience and regulatory reporting skills.
Microsoft Office
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HVAC Engineer
Palm Springs, California, United States
$26-$27/hr OnsiteFull Time
2+ YOERequires 2+ years in building trades, high school diploma or equivalent, HVAC certification, mechanical troubleshooting, tool experience, chemical safety knowledge, and problem-solving skills.
BCU, Hotel Expert
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Technical Product Developer
Murrieta, California, United States
$90k-$100k/yr OnsiteFull Time
3+ YOEBachelor of Science in chemical engineering, chemistry, or cosmetic science; 3+ years of R&D formulation or technical product development experience in consumer products; SOP, GDP, GLP, regulatory, and formulation expertise.
Current Good Manufacturing Practices (cGMP), Standard Operating Procedures (SOPs), Good Documentation Practices (GDP), Good Laboratory Practices (GLP)
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Maintenance Engineer
San Bernardino, California, United States
$19-$19/hr OnsiteFull Time
2+ YOERequires 2+ years of maintenance experience, basic plumbing, electrical, carpentry, drywall, screening, locks, and safe tool and chemical use. Valid driver's license, insurance, good driving record, and English or bilingual ability required.
dolly
3mo
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Sr. Manager, Battery Cell Engineering
Tustin, California, United States
$176k-$220k/yr OnsiteFull Time
5+ YOE3+ MgmtMS in chemistry/chemical engineering/materials science with 5+ years hands-on lithium-ion battery testing; 3+ years management; strong leadership and communication; experience with cell development and electrochemistry; familiarity with automotive standards.
Python, EIS, GITT, CV, PITT
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