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246 process engineering jobs at 126 companies in Lancaster, CA

3mo
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Process Engineering Leader
Mojave or Burbank
$135k-$150k/yr OnsiteFull Time
PPG
PPGNYSE: PPG: Manufacturer of paints, coatings, and specialty materials.
10+ YOEBS in Chemical/Process/Materials Engineering; 10+ years in chemical/process engineering; coatings/sealants/adhesives exp; Six Sigma; leadership; project management; DFMEA/PFMEA; lean/operational excellence.
Six Sigma, Lean Manufacturing, FMEA, MSA, DFMEA, PFMEA, Control Plan, Process Safety Analysis
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2mo
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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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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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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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3mo
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Process Engineer
Chatsworth, California, United States
$79k-$91k/yr OnsiteFull Time
Fralock
Fralock: Manufactures specialty components and subassemblies using advanced materials.
3+ YOE3-5 years manufacturing experience; bachelor's in engineering; process design; Lean/Six Sigma; strong analytical and communication; valid driver’s license.
AutoCAD, Excel, Data analysis
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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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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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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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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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5d
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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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6d
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Specialist, Welding Quality Process Engineering (41280)
Canoga Park, California, United States
$84k-$156k/yr OnsiteFull Time
L3Harris Technologies
L3Harris TechnologiesNYSE: LHX: Aerospace and defense providing mission-critical technology solutions.
4+ YOEBachelor's degree plus 4+ years (or graduate degree plus 2+ years, or 8+ years experience) in related field; welding and quality engineering experience; root cause/corrective action, MRB, GD&T, and audit experience.
ERP, MES, Microsoft Office, Coordinate Measuring Machine (CMM), Standard Measuring Inspection (SMI), Geometric Dimensioning and Tolerancing (GD&T)
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3w
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Engineer, Process
Alhambra, California, United States
$73k-$110k/yr OnsiteFull Time
Semtech
SemtechNASDAQ: SMTC: Produces high-performance analog and mixed-signal semiconductor products
3+ YOEBachelors in engineering or related, 3+ years semiconductor deposition/etch experience, hands-on PECVD and ICP-RIE/RIE experience, data analysis and SPC skills, failure analysis and root-cause problem solving.
PECVD, ICP-RIE, RIE, SEM, FIB, SIMS, SPC, DOE, 8D, Six Sigma
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1mo
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Engineering Manager
Phoenix or Los Angeles or San Francisco or California
OnsiteFull Time
Sunbelt Controls
Sunbelt Controls: Provides building automation and systems integration for energy-efficient facilities.
10+ YOE5+ MgmtBS in Engineering or Construction Management, 10+ years experience with 5 years managing engineers, PE license highly desirable, strong knowledge of building codes, BIM, constructability, team development, and QA processes.
BIM
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2mo
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Sr. Process Engineer, Life Science
Pasadena or Los Angeles
$120k-$160k/yr OnsiteFull Time
Barry-Wehmiller
Barry-Wehmiller: Manufactures industrial machinery for packaging and paper processing.
10+ YOE10+ years pharmaceutical/biologics process system engineering; CIP/SIP; WFI; FDA/EMA regulatory experience; CAD; travel.
AutoCAD, Microsoft Office, Microsoft Project, 3D modeling, process simulation software, computer-based hydraulic analysis
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1mo
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Sr Wastewater Process Engineer 1
Cary or Charlotte or San Marcos or Atlanta or Irvine or Virginia Beach or Los Angeles or Seattle
$106k-$194k/yr HybridFull Time
Black & Veatch
Black & Veatch: Provides engineering, procurement, and construction services for global infrastructure.
11+ YOEBachelor's degree in engineering, minimum 11 years related experience, professional engineering license (or ability to obtain within 2 years), expertise in wastewater treatment process design, process modeling, pilot testing, and mentoring junior engineers.
BioWin, GPS-X, Sumo, Simba
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3mo
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Senior Process Design Engineer
Los Angeles or Irvine or San Diego or San Francisco
$122k-$194k/yr HybridFull Time
Arcadis
ArcadisEuronext Amsterdam: ARCAD: Global design, engineering, and consultancy for natural and built assets.
10+ YOEB.S. in civil or mechanical engineering and P.E. (California), 10+ years in process mechanical engineering for water/wastewater, CAD/BIM and Microsoft Office proficiency, strong communication and mentoring skills.
CAD, BIM, Microsoft Word, Microsoft Excel, Microsoft PowerPoint
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1mo
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Process Development Engineer
Los Angeles, California, United States
$90k-$118k/yr OnsiteFull Time
Huntsman
HuntsmanNYSE: HUN: Manufactures and markets chemical products for consumer and industrial markets.
3+ YOEBachelor's in Chemical Engineering/Chemistry, 3+ years in process development or manufacturing support, US work authorization, Microsoft Office proficiency, knowledge of analytical/statistical methods, PSM/MOC experience, Lean/Six Sigma and DOE/SPC preferred.
Microsoft Office Suite, Process Safety Management (PSM), Management of Change (MOC), Process Hazard Analysis (PHA), Design of Experiments (DOE), Statistical Process Control (SPC), Six Sigma, Lean Manufacturing
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Sr. Process Integration Engineer
Valencia, California, United States
$90k-$120k/yr OnsiteFull Time
Knowles
KnowlesNYSE: KN: Manufacturer of micro-acoustic microphones and precision electronic components.
5+ YOEBachelor's degree in engineering,5+ years semiconductor or MLCC manufacturing experience,process data analysis,DOE/JMP/Six Sigma familiarity,project coordination,and strong cross-functional communication.
Microsoft Excel, JMP
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