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78 chemical engineer jobs at 55 companies in Washington

5d
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Principal Chemical Engineer
Denver or Centennial or Des Plaines or Rosemont or Houston or New Jersey or New York or Massachusetts or Washington or Colorado or Connecticut or Hawaii or Illinois or Minnesota or Vermont or Washington, D.C.
$177k-$222k/yr HybridFull Time
Honeywell UOP
Honeywell UOP: UOP is a process-technology and catalyst licensor serving petroleum refining, petrochemical, gas-processing, and renewable-fuels industries.
10+ YOERequires a bachelor's degree in chemical engineering or related field, 10+ years in refining or petrochemicals, chemical engineering expertise, analytical and troubleshooting skills, and effective collaboration and communication.
UOP Process technologies, Customer Portal
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4d
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Chemical Engineer (Rotational Program)
Houston or Lake Charles or Geismar or Plaquemine or Calvert City or Deer Park or New Martinsville or Longview or Longview
FieldFull Time
Westlake Corporation
Westlake CorporationNYSE: WLK: Global manufacturer of materials and essential products.
0+ YOEB.S. or M.S. in Chemical Engineering, 0–2 years of relevant experience, minimum 3.0 GPA, willingness to rotate among US locations, obtain TWIC, and demonstrate teamwork, leadership, problem-solving, and communication skills.
PPE
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1w
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Chemical/Paper Engineer - All Mills
Texas or Virginia or Tomahawk or Filer City or Florida or Counce or Jackson or International Falls or Massillon or Maine or DeRidder or Valdosta or North Carolina or Wallula or Auburn or Atlanta or Orono or Oxford or Minneapolis or Raleigh or Syracuse or Seattle or Kalamazoo or Stevens Point
$86k-$90k/yr OnsiteFull Time
Packaging Corporation of America
Packaging Corporation of AmericaNYSE: PKG: Producer of containerboard, corrugated packaging, and paper products.
0+ YOEBachelor’s degree in chemical or paper engineering or related field; 0–4 years’ process engineering or paper industry experience; U.S. work authorization, valid driver’s license, and AutoCAD, Microsoft Office, and Microsoft Project experience required.
AutoCAD, Microsoft Excel, Microsoft Outlook, Microsoft PowerPoint, Microsoft Word, Microsoft Project, PLC, HMI
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2mo
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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 specializing in built environment solutions.
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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14h
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Summer Intern - Chemical Process Engineer - Sophomore – Blaine, WA
Blaine or Washington or Seattle or Portland or Vancouver
$7k-$8k/mo OnsiteInternship, Full Time
BP
BPLondon Stock Exchange: BP: Integrated energy producing low-carbon solutions and fuels.
0+ YOEWorking toward a bachelor's degree in chemical engineering, graduating December 2028-May 2029, with a minimum 3.0 GPA and unrestricted U.S. work authorization; must complete a 12-week internship.
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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
MarathonNew York Stock Exchange: MPC: Public U.S. downstream and midstream energy refining crude oil, transporting fuels, and marketing Marathon/AR products.
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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2w
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(Chemical Engineering) Intern - Univ/Co-Op Technical (Richland)
Richland, Washington, United States
$27-$36/hr OnsiteInternship
Framatome
Framatome: Designing and supplying nuclear power solutions and technologies.
Pursuing a BS in Chemical Engineering as a junior or senior, MS, or PhD; requires technical problem-solving, clear communication, and passion for clean energy.
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2mo
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Senior Process Engineer
Bellingham or Chicago or Sedro-Woolley
$130k-$160k/yr OnsiteFull Time
Sedron Technologies
Sedron Technologies: Circular waste management upcycling agricultural manure and municipal biosolids into clean water, fertilizer, and carbon-negative commodities.
10+ YOEBachelor's or master's degree in chemical engineering or related field, or equivalent experience; 10+ years in process or chemical engineering; process modeling, chemical manufacturing compliance, and strong technical communication skills.
Process Flow Diagrams (PFDs), Piping and Instrumentation Diagrams (P&IDs), AspenTech, Microsoft Word, Microsoft Excel, Microsoft Outlook, Microsoft Teams, Microsoft Project, Microsoft SharePoint, Bluebeam, EHS, Standard Operating Procedure (SOP), Engineering Change Management (ECM), Management of Change (MOC), Process Hazard Analysis (PHA), Hazard Identification (HAZID), Hazard and Operability Study (HAZOP), Layers of Protection Analysis (LOPA), FEL
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3w
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Market Developer - Chemical Formulating
Bellevue or The Woodlands or Seattle
$80k-$98k/yr HybridFull Time
ChemPoint
ChemPointNew York Stock Exchange: UNVR: Global chemical and ingredient distributor and provider of value-added services.
3+ YOEScience or technical degree or equivalent experience, 3+ years of relevant sales, industry, or product experience, PC and Windows proficiency, MS Office knowledge, and technical product application expertise.
Microsoft Windows, Microsoft Office
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1mo
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Engineer, Process
Kennewick, Washington, United States
$96k-$150k/yr OnsiteFull Time
Nutrien
NutrienNYSE: NTR: Leading global provider of crop inputs and services.
5+ YOEBSc Chemical Engineering required; experience in chemical processing (5+ years preferred); strong problem-solving, project management, and communication skills; Microsoft Office proficiency.
Microsoft Excel, Microsoft Word, Microsoft PowerPoint
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1mo
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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
Acid & Sulphur Products (ASP)
Acid & Sulphur Products (ASP): A chemical manufacturing focused on safe and sustainable sulfuric acid and spent acid regeneration solutions.
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
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1mo
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Engineer, Process
Kennewick, Washington, United States
$96k-$150k/yr OnsiteFull Time
Nutrien
NutrienNYSE: NTR: Leading global provider of crop inputs and services.
BSc in Chemical Engineering required; process engineering and process safety experience; proficiency with Microsoft Excel/Word/PowerPoint; strong analytical, project management, and communication skills.
Microsoft Excel, Microsoft Word, Microsoft PowerPoint
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3mo
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Process Engineer
Moses Lake, Washington, United States
$121k-$142k/yr OnsiteFull Time
Sila Nanotechnologies
Sila Nanotechnologies: American battery materials that develops and manufactures silicon-carbon anodes for electric vehicles, electronics, and critical industries.
Chemical engineering process design, optimization, data analysis, and project management; experience with rotating equipment and process control systems.
DCS, PLC, Seeq, Google, Microsoft
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2w
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Engineer I, Project
Spokane, Washington, United States
$84k-$135k/yr OnsiteFull Time
Jubilant HollisterStier
Jubilant HollisterStier: Private pharmaceutical contract manufacturer producing sterile injectables and lyophilized medicines for global healthcare companies.
Bachelor of Science in chemical, manufacturing, or similar engineering required. Preferred experience includes AutoCAD, MS Project, Microsoft PowerPoint, project management, and pharmaceutical facility systems.
AutoCAD, Microsoft Project, Microsoft PowerPoint
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3w
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Assistant/Associate Professor - Chemical Engineering
Pullman, Washington, United States
$110k-$135k/yr OnsiteFull Time
Voiland College of Engineering and Architecture
Voiland College of Engineering and Architecture: Public land-grant research university serving students and communities through education, research, and extension across Washington.
Requires a B.S. in chemical engineering, a Ph.D. in chemical engineering or related engineering, scholarly work, teaching ability, and research capability in AI/data science-directed chemical engineering.
artificial intelligence (AI)
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3mo
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Sr. Process Engineer (Tacoma, WA, US, 98421)
Tacoma, Washington, United States
$133k-$200k/yr OnsiteFull Time
U.S. Oil & Refining
U.S. Oil & RefiningNYSE: PARR: Public U.S. energy refining, moving, and retailing renewable and conventional fuels for western communities.
5+ YOESenior process engineer with chemical engineering degree, 5+ years refining experience, design/simulation and project management skills.
Simulation software, Distributed Control Systems (DCS), Process design software
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1mo
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Sr. Process Engineer
Tacoma, Washington, United States
$133k-$200k/yr OnsiteFull Time
U.S. Oil & Refining
U.S. Oil & RefiningNYSE: PARR: Public U.S. energy refining, moving, and retailing renewable and conventional fuels for western communities.
5+ YOEBachelor's in chemical engineering, 5+ years oil refining experience (distillation, hydraulics, heat transfer), Ohio? (typo) simulation and process design skills, ability to manage projects and support refinery operations.
DCS, simulation software
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4mo
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Process Projects Engineer (Anacortes, WA, US, 98221)
Anacortes, Washington, United States
$115k-$201k/yr OnsiteFull Time
HF Sinclair
HF SinclairNYSE: DINO: Public energy refining and marketing fuels, lubricants, asphalt, and renewable diesel for transportation and industrial markets.
7+ YOESeven+ years in process engineering; Bachelor's in Chemical Engineering; refinery/process safety knowledge; APC deliverables; some travel.
Microsoft Office, PFDs, P&IDs, Engineering software
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1w
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Senior Mechanical Engineer - Gas Generation
Alexandria or Austin or Denver or Seattle
$120k-$150k/yr OnsiteFull Time
Tract Capital
Tract Capital: Private alternative asset manager that builds digital infrastructure businesses, including data-center land and hyperscale campus platforms.
8+ YOEBachelor's degree in mechanical or chemical engineering and 8+ years designing mechanical and fuel-gas systems for industrial power generation, energy infrastructure, or mission-critical facilities.
HAZOP, NFPA 54, ASME
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1w
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Continuous Improvement Engineer
United States or Alabama or Arizona or California or Colorado or Florida or Georgia or Iowa or Illinois or Indiana or Kansas or Kentucky or Louisiana or Massachusetts or Maryland or Michigan or Minnesota or Mississippi or North Carolina or Nebraska or New Jersey or New Mexico or Nevada or New York or Ohio or Oklahoma or Oregon or Pennsylvania or Rhode Island or South Carolina or Tennessee or Texas or Utah or Virginia or Washington or Wisconsin or West Virginia
$130k-$145k/yr RemoteFull Time
OPAL Fuels
OPAL FuelsNasdaq: OPAL: Public U.S. renewable-fuels producing and distributing RNG and renewable electricity for heavy-duty fleets and industrial customers.
5+ YOEBachelor’s degree in engineering and at least 5 years of process improvement experience in RNG, oil and gas, chemical, petrochemical, or comparable industrial operations; strong analytics, AI, communication, and travel capability.
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