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458 process engineering jobs at 225 companies in Riverside, CA

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Engineering Process Administrator
Los Angeles, California, United States
$75k-$115k/yr HybridFull Time
Motorola Solutions
Motorola SolutionsNYSE: MSI: Provides mission-critical communications and public safety technology.
4+ YOEBachelor's degree plus 4 years in engineering process management or 8 years with HS/GED; strong reporting, documentation, and MS Office skills; must be a U.S. citizen with ability to obtain SECRET clearance; background check and drug test required.
Microsoft Office, PDF tools, Google Workspace
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1mo
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Director of Process Engineering
Temecula, California, United States
$175k-$225k/yr OnsiteFull Time
Skorpios Technologies
Skorpios Technologies: Designs and manufactures silicon photonics for high-speed optical communications
8+ YOE3+ MgmtMaster's degree (PhD preferred) in engineering or science, 8+ years semiconductor/MEMS process engineering experience, 3+ years managing technical teams, expertise in CVD/PVD/ALD/Etch/Photolithography/CMP, SPC/DOE/FMEA, vendor and CapEx management.
JMP, Minitab
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1mo
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Process Engineering Internship (Fall 2026)
Los Angeles or Hawthorne or El Segundo
$30-$35/hr OnsiteFull Time, Internship
Freeform
Freeform: Deploys autonomous AI-powered metal 3D printing factories.
Currently pursuing a Bachelor's in materials science, physics, or engineering; experimental design and statistical data analysis experience; strong data analysis skills; experience with Python and/or MATLAB.
Python, MATLAB, R, JMP, Minitab
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2w
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Head of Process Engineering
Los Angeles, California, United States
$170k-$240k/yr OnsiteFull Time
General Matter
General Matter: Produces enriched uranium and nuclear fuel for power generation.
10+ YOE5+ MgmtBachelor's in engineering,10+ years industrial plant design experience,5+ years leading multidisciplinary teams,knowledge of piping and plant layout,strong communication and organizational skills.
AVEVA E3D, SmartPlant 3D, AutoCAD Plant 3D
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2w
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Process Engineer
Corona, California, United States
$73k-$92k/yr OnsiteFull Time
Intertape Polymer Group
Intertape Polymer Group: Produces industrial tapes, films, and automated packaging equipment.
4+ YOEBSc in engineering, 4–7 years manufacturing/process engineering experience, troubleshooting and data analysis skills, MS Office proficiency, knowledge of plastics extrusion, continuous improvement experience.
Microsoft Office, IIOT, AI, machine learning, advanced process control, Toyota Production System
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3mo
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Process Engineer
Los Angeles, California, United States
$95k-$120k/yr HybridFull Time
Mote
Mote: Develops biomass gasification systems for carbon-negative hydrogen production.
5+ YOEBachelor's in chemical engineering; 5 years experience; CAD/P&IDs; process deliverables; strong communication and analytical skills.
AutoCAD, P&ID, DWSIM, Aspen Plus, PRO/II, CAD
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PCB Process Engineer - Wet Process
Santa Ana, California, United States
$68k-$100k/yr OnsiteFull Time
Pioneer Circuits
Pioneer Circuits: A privately held U.S. manufacturer of high-performance flexible and rigid printed circuit boards serving aerospace and defense customers.
2+ YOEBachelor's in chemical engineering or materials science, 2+ years wet process engineering in PCB manufacturing, knowledge of PCB fabrication (rigid/flex/rigid-flex), ERP and Minitab proficiency, GD&T interpretation, OSHA/EPA compliance experience.
ERP, Minitab, E-Verify
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2w
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Solids Process Engineer
Irvine, California, United States
$104k-$142k/yr HybridFull Time
Brown and Caldwell
Brown and Caldwell: Provides environmental engineering services for water and infrastructure systems.
5+ YOEPE licensure required, bachelor\u0002s in engineering, typically 5+ years process engineering experience, SMS Framework certification progression, experience in process modeling, data analysis, and client communication.
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3mo
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Process Engineer
Lake Forest, California, United States
$71k-$80k/yr OnsiteFull Time
Applied Medical
Applied Medical: Manufacturer of advanced medical devices and surgical products.
2+ YOEBachelor’s degree in Mechanical, Chemical, Bioengineering or related field; 2+ years in manufacturing/process engineering; plastics/manufacturing exposure; CAD proficiency; cross‑functional collaboration.
CAD software, SolidWorks, CATIA
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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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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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2mo
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Senior Process Engineer Solar
Los Angeles, California, United States
$140k-$175k/yr OnsiteFull Time
K2 Space
K2 Space: Develops high-power satellite platforms for heavy-lift launch vehicles.
5+ YOEBachelor’s in a technical field; 5+ years in materials/process engineering; experience with solar array processes and characterization.
SEM, EDS, FTIR, DSC, TGA, XRD, Python, MATLAB
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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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Manager, Process Improvement Project Engineering
Perris, California, United States
$94k-$140k/yr HybridFull Time
Ross Stores
Ross StoresNASDAQ: ROST: Discount retail chain selling brand-name apparel and home fashions
4+ YOEB.S. in STEM preferred, 4+ years engineering experience, Green Belt (Six Sigma) required, Black Belt/PMP preferred, proficiency with Microsoft Office, AutoCAD, Minitab, LMS, project management and Lean/DMAIC methodologies.
Microsoft Excel, Microsoft PowerPoint, Microsoft Access, Microsoft Visio, Microsoft Project, AutoCAD, Minitab, LMS
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2mo
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Lead Process Engineer
Los Angeles, California, United States
OnsiteFull Time
Arcturus
Arcturus: Develops carbon nanomaterial-infused metal composites for high-performance conductors.
8+ YOE8+ years in process/manufacturing engineering; BS/MS/PhD in materials/engineering; experience scaling complex manufacturing; DOE, process controls, root-cause analysis; strong documentation skills.
LPBF, DED, Laser processing, CVD/LCVD/LACVD, Welding, High-temperature gas processes
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Process Engineer II
Henderson or Cypress or Spartanburg
$85k-$95k/yr OnsiteFull Time
Alliance North America
Alliance North America: Provides industrial power generators and hybrid energy storage solutions.
2+ YOEBachelor's in engineering, 2+ years assembly/process engineering, PFMEA and Control Plan experience, BOM/SOP and ECO/ECN experience, electromechanical systems experience, familiarity with ERP/MES/PLM and ability to read electrical/mechanical drawings.
ERP, MES, PLM, AI
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Process Engineer Lead
Minooka or Patterson or Los Angeles or Portland
$95k-$158k/yr HybridFull Time
Grainger
GraingerNYSE: GWW: Distributes maintenance, repair, and operating supplies to businesses.
5+ YOEBachelor's in operations/engineering or STEM required, 5+ years process engineering, Lean/Six Sigma experience, CAD/Visio/Smartsheet/Microsoft Office proficiency, SQL/Python/Java/Scala preferred, up to 75% travel, onsite 3 days/week.
CAD, Visio, Smartsheet, Microsoft Office Suite, SQL, Python, Java, Scala
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Manufacturing Process Engineer
Temecula, California, United States
$61k-$123k/yr OnsiteFull Time
Abbott
AbbottNYSE: ABT: Provides medical devices, diagnostics, and science-based nutritional products.
3+ YOEBachelor's in engineering or science, minimum 3 years process/operations experience, experience with pharmaceutical/biological processes, process validation, Six Sigma/risk analysis, cGMP knowledge, and strong communication skills.
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2w
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Senior Process Engineer
Huntington Beach, California, United States
$85k-$120k/yr OnsiteFull Time
Nikkiso
NikkisoTokyo Stock Exchange: 6376: Manufacturer of industrial fluid equipment and medical devices.
10+ YOEBachelor's in Chemical Engineering, 10+ years oil & gas/LNG/cryogenic/EPC experience, advanced process simulation skills (Aspen HYSYS/Plus, UniSim), ability to translate simulation outputs to fabrication-ready designs.
Aspen HYSYS, Aspen Plus, UniSim
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Manufacturing Process Manager
Cypress, California, United States
$150k-$180k/yr OnsiteFull Time
Senra Systems
Senra Systems: Manufactures automated wire harnesses for aerospace and industrial systems.
5+ YOEBachelor's in engineering or related field, 5+ years manufacturing/process/industrial engineering experience, experience designing and implementing SOPs and operational processes, strong communication and UAT/software rollout experience.
ERP, MES, MRP, PLM
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