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110 process engineer jobs at 64 companies in O'Fallon, MO

1mo
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Process Engineer
St. Louis or Allentown
OnsiteFull Time
Air Products
Air ProductsNYSE: APD: Produces industrial gases and equipment for energy and manufacturing.
3+ YOEBachelor's in Chemical Engineering required; 3+ years process engineering experience; valid driver\u0002s license; membrane or gas processing experience preferred; willingness to travel (~10%); strong communication skills.
Aspen
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1mo
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Process Engineer
Saint Louis, Missouri, United States
$80k-$120k/yr OnsiteFull Time
CORTEX EPCM
CORTEX EPCM: Provides engineering design and construction management for industrial facilities.
1+ YOEBachelor's in Chemical or Mechanical Engineering, 1+ years process design experience, knowledge of mass/energy balances, heat transfer, piping and equipment selection, proficiency in AutoCAD/Navisworks/MicroStation and Microsoft Office, PE license a plus.
AutoCAD, Navisworks, MicroStation, Microsoft Office, Microsoft Excel, Microsoft Word, Microsoft PowerPoint, Adobe Acrobat, laser scanning equipment
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2mo
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Process Engineer
Saint Louis, Missouri, United States
$88k-$104k/yr OnsiteFull Time
Pretium Packaging
Pretium Packaging: Manufacturing rigid plastic packaging solutions for various global industries.
Bachelor’s or associate’s degree in mechanical/plastics engineering; experience with reheat blow, system startups, troubleshooting, tooling and Lean practices.
Aoki ISBM, Uniloy IBM, Zhongya IM, Lean Manufacturing, Oven profiling, Molds/Tooling, Conveyors
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Senior Process Engineer – Liquid Systems
St. Louis or Kansas City
HybridFull Time
CRB
CRB: Provides design and construction services for life sciences facilities.
5+ YOEABET-accredited Bachelor's in Engineering, 5+ years process engineering experience with liquid food/beverage systems, strong sanitary/CIP knowledge, project coordination, and familiarity with FDA/USDA/3-A standards.
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2mo
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Sr. Process Engineer
Fenton, Missouri, United States
OnsiteFull Time
Par Health
Par Health: Manufacturing essential generic medicines and active pharmaceutical ingredients.
5+ YOEBS in Industrial, Manufacturing, Chemical Engineering or related field; 5 years pharma experience; strong knowledge of cGMP; excellent communication.
Microsoft Office, Batch record writing, Validation documentation, cGMP knowledge
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Senior Process Engineer
Brentwood, Missouri, United States
OnsiteFull Time
Kindeva Drug Delivery
Kindeva Drug Delivery: Develops and manufactures complex drug-device combination delivery systems.
3+ YOEBachelor's in engineering required; 3+ years cGMP sterile pharmaceutical/biopharma manufacturing experience; expertise in aseptic fill-finish, isolators/RABS, validation, PLC/HMI/SCADA, SolidWorks/AutoCAD Inventor, and data analysis tools.
SolidWorks, AutoCAD Inventor, PLC, HMI, SCADA, Microsoft Excel, Minitab, JMP, OSIsoft PI
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Process-Mechanical Engineer
St. Louis, Missouri, United States
OnsiteFull Time
Donohue & Associates
Donohue & Associates: Specialized engineering services for municipal water and wastewater infrastructure.
10+ YOEBS in engineering, PE registration, 10+ years relevant experience designing water/wastewater systems, strong communication and client-focused teamwork.
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Process Control Engineer
Granite City, Illinois, United States
$85k-$100k/yr OnsiteFull Time
United States Steel Corporation
United States Steel Corporation: Produces and sells flat-rolled and tubular steel products.
1+ YOEDevelop and maintain PLC-based process control systems, design and implement control upgrades, program and troubleshoot Level 1 systems, read P&ID and electrical schematics; 2-year technical degree or equivalent and 1+ year manufacturing experience.
Allen-Bradley Programmable Logic Controllers, Open VMS, Windows Server, SCADA, HMI
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Sr. MS&T Process Engineer II
Maryland Heights, Missouri, United States
OnsiteFull Time
Kindeva Drug Delivery
Kindeva Drug Delivery: Develops and manufactures complex pharmaceutical drug delivery systems.
7+ YOEB.S. in Science or Engineering, 7+ years experience, expertise in sterile injectable inspection/assembly/packaging, process validation/PPQ/CPV, technology transfer, FDA/EU GMP/Annex 1 knowledge, strong leadership and analytical skills.
vision systems, leak detection systems, labeling equipment, cartoners, serialization platforms, automated packaging lines, AQL
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1d
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Process Engineer
Philadelphia or Simsbury or Chesapeake or O'Fallon or Jersey City or Whitehouse Station
$80k-$118k/yr OnsiteFull Time
Chubb
ChubbNYSE: CB: Provides property, casualty, and life insurance and reinsurance services globally.
Experience leading process discovery, analysis, design, or optimization in transformation/continuous improvement; strong analytical, communication, and change-management skills; familiarity with AI-enabled tools and digital/automation solutions.
Microsoft Copilot, Claude, Microsoft SharePoint, Microsoft Teams, JIRA, Microsoft Visio, Microsoft Excel
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Process Engineer
Festus, Missouri, United States
OnsiteFull Time
Buzzi Unicem USA
Buzzi Unicem USABorsa Italiana: BZU: Manufacturer and distributor of cement and concrete products.
2+ YOEBSc in engineering required, 2+ years operations experience (cement preferred), strong safety/environment knowledge, supervisory ability, computer skills, and physical ability to work in plant conditions.
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2mo
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Business Process Engineer
Scott Air Force Base, Illinois, United States
OnsiteFull Time
CDIT
CDIT: Provides IT, software development, and cybersecurity for government agencies.
0+ YOEBachelor's degree in CS/IT/Engineering/Business; 0-11 years experience; US citizenship; ability to obtain/hold SECRET clearance; experience in business process reengineering
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Process Automation Engineer, Manufacturing Engineering
St. Louis, Missouri, United States
OnsiteFull Time
Thermo Fisher Scientific
Thermo Fisher ScientificNYSE: TMO: Sells equipment and chemicals for scientific research and healthcare.
2+ YOE2+ years supporting automation in regulated manufacturing, experience with DCS/PLC/SCADA, knowledge of validation and GMP, bachelor’s preferred; associate required.
DeltaV, PLC, SCADA, Rockwell, Siemens, MES, SQL
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2mo
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Senior Process Analyst Engineer
St. Louis, Missouri, United States
HybridFull Time
Equifax
EquifaxNew York Stock Exchange: EFX: Provides consumer credit reporting and data analytics services globally.
4+ YOE4+ years in quality/industrial engineering or process improvement; 3+ years Lean/Six Sigma; Bachelor's degree preferred in Industrial Engineering or Data Science.
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1w
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Business Process Engineer
United States or O'Fallon
$68k-$144k/yr RemoteFull Time
CACI
CACINYSE: CACI: Provides information technology and professional services to government clients.
5+ YOEBachelor's degree in related field, 5+ years BPR/business analysis experience, 5+ years working with USTRANSCOM/defense transportation systems, knowledge of DOTmLPF-P, strong analytical and communication skills, US citizenship and ability to pass Tier 1 (Secret) investigation.
JTMS, SAP, ERP, BPMN 2.0, SAFe, DOTmLPF-P
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Business Process Engineer
United States or O'Fallon
$68k-$144k/yr HybridFull Time
CACI International
CACI InternationalNYSE: CACI: Provides information technology and engineering services for government agencies.
5+ YOEBachelor's degree, 5+ years BPR/business analysis with USTRANSCOM/defense transportation experience, strong analytics, communication, and stakeholder collaboration; US citizen eligible for Tier 1 investigation.
JTMS, SAP, ERP, BPMN 2.0, SAFe Agile
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2mo
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Senior Process Engineer, Cement Plant (Bloomsdale, MO, US, 63627)
Bloomsdale, Missouri, United States
OnsiteFull Time
Amrize
AmrizeNYSE: AMRZ: Manufacturer of cement, aggregates, and roofing products.
5+ YOEBachelor's degree; 5+ years cement plant experience; strong skills in Excel, Access, IP21, SAP, SPC; travel minimal; relocation assistance available.
Excel, Access, IP21, SAP, SPC
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Manager, Process Engineering, Wood River Refinery
Roxana, Illinois, United States
$160k-$196k/yr OnsiteFull Time
Phillips 66
Phillips 66NYSE: PSX: Refines, transports, and markets petroleum products and chemicals globally.
6+ YOEBachelor's degree in engineering, 6+ years process engineering experience in oil & gas or heavy industry, valid driver's license, willingness to obtain TWIC, leadership and technical project experience.
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3mo
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Process Operator
East St. Louis or Effingham
$32-$42/hr OnsiteFull Time
M2X Energy
M2X Energy: Modular technology converting stranded methane into low-carbon methanol fuel.
2+ YOE2+ years operating or maintaining industrial test equipment; strong mechanical and electrical skills; data collection and reporting; safety-focused.
PLCs, SCADA, HMI, Microsoft Office (Excel, Word, Teams), Data analysis
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1mo
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Process Technology Manager - Food & Beverage (Multiple Locations)
Kansas City or Wallingford or Madison or Denver or Atlanta or Minneapolis or Chicago
$215k-$390k/yr OnsiteFull Time
Burns & McDonnell
Burns & McDonnell: Engineering, architecture, and construction services for global infrastructure.
13+ YOEBachelor's in chemical engineering with 13+ years in design engineering or consulting; FE preferred; PE license preferred; experience in FE planning, design, construction; strong communication.
Process simulators, Equipment rating programs
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