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91 chemical engineer jobs at 62 companies in Simi Valley, CA

2w
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Chemical Engineer
Redondo Beach, California, United States
$70k-$100k/yr OnsiteFull Time
Mycronic
MycronicNasdaq Stockholm: MYCR: Develops and manufactures high-precision electronics production equipment.
0+ YOEBachelor's in chemical/material engineering or material science required; 0–3 years' experience; strong oral/written communication; willingness to travel domestically and internationally; must be authorized to work in the U.S.; no visa sponsorship.
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4d
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Chemical Engineer (New Grad)
Los Angeles, California, United States
$96k-$106k/yr OnsiteFull Time
General Matter
General Matter: Produces enriched uranium and nuclear fuel for power generation.
Bachelor’s degree in chemical engineering, chemistry, or related field; knowledge of mass spectrometry and analytical instrumentation; wet chemistry proficiency; strong problem-solving skills; ability to work in regulated environments.
Inductively Coupled Plasma Mass Spectrometry (ICP-MS), Thermal Ionization Mass Spectrometry (TIMS), Secondary Ion Mass Spectrometry (SIMS)
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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
Chevron
ChevronNYSE: CVX: Global energy producing oil, gas, and petrochemicals.
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.
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5d
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Chemical / Materials Engineer – Space Solar
Hawthorne, California, United States
$125k-$160k/yr OnsiteFull Time
Starpath
Starpath: Manufacturing space-rated solar hardware and lunar mining robotics.
1+ YOEBachelor's or master's degree in chemistry, chemical engineering, materials science, applied physics, or related field; 1+ year hands-on experience with photovoltaic, optoelectronic, polymer, or related materials; experiment and data analysis skills.
XRD, XPS, FTIR, DSC, TGA, SEM, AFM, Python, MATLAB, EQE
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3mo
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Chemical Propulsion Engineer
Los Angeles, California, United States
$121k-$165k/yr OnsiteFull Time
Apex
Apex: Mass-manufactures standardized satellite buses for commercial and government use.
3+ YOEBachelor's in mechanical, propulsion, or aerospace engineering; 3+ years propulsion design/test; mono/bi-propellant propulsion; pressurized systems; CAD NX/SolidWorks; AS9100; US Person status.
NX, SolidWorks
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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
Arup
Arup: Global professional services firm for the built environment.
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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1mo
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Chemical Engineering Intern
Akron or Ashtabula or Conroe or Freeport or Houston or The Woodlands or McIntosh or Geismar or Los Angeles
OnsiteFull Time
Huntsman
HuntsmanNYSE: HUN: Manufactures and markets chemical products for consumer and industrial markets.
Pursuing a Bachelor's in Chemical Engineering, minimum 3.0 GPA preferred, strong analytical and communication skills, proficiency in Microsoft Excel/PowerPoint/Word, authorized to work in the U.S. without sponsorship.
Microsoft Excel, Microsoft PowerPoint, Microsoft Word
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2mo
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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
Marathon Petroleum
Marathon PetroleumNYSE: MPC: Refines and markets petroleum products and renewable fuels.
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.
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1w
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Senior Associate, Manufacturing Engineer (Chemical Processing) (41857)
Canoga Park, California, United States
$73k-$136k/yr OnsiteFull Time
L3Harris Technologies
L3Harris TechnologiesNYSE: LHX: Aerospace and defense providing mission-critical technology solutions.
2+ YOEBachelor's degree (or equivalent experience) and 2+ years manufacturing engineering experience; knowledge of clean processing/electroplating, EPI creation, process control, Microsoft Office; experience with Delmia/Windchill/ADMS.
Microsoft Word, Microsoft Excel, Microsoft PowerPoint, Delmia, Windchill, ADMS
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1mo
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Sr. Process Engineer
Pasadena, California, United States
OnsiteFull Time
Aurorium
Aurorium: Manufacturer of specialty chemicals and performance-enhancing materials.
10+ YOEBachelor's in Chemical Engineering, 10+ years chemical process engineering, PSM/HAZOP/MOC experience, Distributed Control Systems (Honeywell) familiarity, Lean Six-Sigma/DOE skills, project leadership and process optimization expertise.
Distributed Control Systems, Honeywell, PHA, HAZOP, MOC, LOPA, P&ID, PFD, DMAIC, DOE
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1mo
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Controls Engineer
Calabasas, California, United States
$120k-$180k/yr HybridFull Time
Wunderlich-Malec
Wunderlich-Malec: Designs and integrates advanced control and automation systems.
5+ YOE5+ years controls engineering experience; BS in Electrical or Chemical Engineering preferred; proficiency with PLC/SCADA/HMI programming, industrial protocols, troubleshooting, and commissioning.
PLC, SCADA, HMI, AVEVA, Ignition, FactoryTalk, WinCC, Siemens TIA Portal, Rockwell Studio 5000, FactoryTalk ViewStudio, Ignition Perspective/Vision, Modbus, Ethernet/IP, Profibus, ladder logic, structured text
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2mo
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Manufacturing Engineer II
Sylmar, California, United States
$82k-$141k/yr OnsiteFull Time
Abbott
AbbottNYSE: ABT: Manufactures medical devices, diagnostics, and nutritional health products.
3+ YOEBachelor's in Mechanical/Industrial/Chemical/Biomedical engineering; 3+ years manufacturing engineering in medical devices; strong verbal/written communication; willing to travel ~25%.
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1mo
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Senior Process Engineer
Monrovia or Los Angeles
$130k-$192k/yr OnsiteFull Time
Worley
WorleyAustralian Securities Exchange: WOR: Global professional services for energy, chemicals, and resources sectors.
8+ YOEBachelor's or Master's in Chemical Engineering (or related), 8+ years process engineering experience, proven leadership, refinery/on-site and oil & gas experience, expert knowledge of HYSYS and PRO 11, MS Office proficiency.
HYSYS, PRO 11, Microsoft Office Suite
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3w
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Senior Process Engineer
Compton or Rancho Dominguez
$92k-$110k/yr OnsiteFull Time
Henkel
HenkelXETRA: HEN3: Manufactures laundry, beauty, and adhesive products globally.
1+ YOEBachelor's in engineering, 1+ years manufacturing or chemical experience, knowledge of FMEA/PPAP/Control Plans, statistical analysis, strong problem-solving and communication skills.
FMEA, Control Plans, PPAP, Management of Change (MOC)
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1mo
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Senior Process Engineer
Monrovia or Los Angeles
$130k-$192k/yr OnsiteFull Time
Worley
WorleyASX: WOR: Provides engineering and project delivery services for energy and resources.
8+ YOE8+ years process engineering experience in oil & gas/refining, bachelor’s degree in chemical engineering or related, expert with process simulation (HYSYS, PRO 11), MS Office proficiency, leadership and on-site/refinery experience.
HYSYS, PRO 11, Microsoft Office Suite
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3mo
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Sr. Process Engineer
Los Angeles, California, United States
$100k-$145k/yr OnsiteFull Time
University of California, Los Angeles
University of California, Los Angeles: A public research university providing higher education and research.
5+ YOE5+ years in chemical/process design; project engineer/manager; Aspen Plus; electrochemical systems; EPC collaboration; strong communication.
Aspen Plus, Aspen Icarus, Process simulation
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2w
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Project Engineer
San Fernando, California, United States
$88k-$146k/yr OnsiteFull Time
Pharmavite
PharmaviteTokyo Stock Exchange: 4578: Manufactures and distributes vitamins and dietary supplements.
3+ YOE3+ years manufacturing experience; mechanical/chemical engineering degree preferred or 5 years technical manufacturing experience with HS/GED; ability to design equipment solutions, lead projects, and support commissioning and qualification.
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3w
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Project Engineer I
Los Angeles, California, United States
$70k-$90k/yr HybridFull Time
E2 Consulting Engineers
E2 Consulting Engineers: Provides engineering and project management for infrastructure projects.
1+ YOEB.S. in Civil/Chemical/Mechanical Engineering, 1+ years pipeline or gas utility engineering experience, knowledge of pipeline design and standards, AutoCAD and Microsoft Excel/Word proficiency, valid driver's license, California EIT/PE preferred.
AutoCAD, Microsoft Excel, Microsoft Word
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1mo
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Entry-Level Project Engineer
Pasadena or Los Angeles
$75k-$85k/yr OnsiteFull Time
Barry-Wehmiller
Barry-Wehmiller: Manufactures industrial machinery for packaging and paper processing.
B.S. in mechanical/chemical engineering or related, proficiency with Microsoft Office, Microsoft Project, and AutoCAD, strong communication and analytical skills, willingness to travel for projects.
Microsoft Office, Microsoft Project, AutoCAD
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1mo
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Chemical Warfare Material Program Manager
Arlington or Boston or Dallas or Huntsville or Indianapolis or Los Angeles or Nashville or Sacramento or Washington
$150k-$200k/yr RemoteFull Time
AECOM
AECOMNYSE: ACM: Global infrastructure consulting firm providing design and engineering services.
10+ YOE2+ MgmtBachelors in engineering or earth science, 10+ years experience with 2 years leadership, US citizenship required, USACE/MMRP and CWM remediation experience preferred.
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