240 process operator jobs at 134 companies in O'Fallon, MO

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
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
1mo
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Service Process Coordinator 3
O'Fallon, Missouri, United States
$41k-$52k/yr OnsiteFull Time
Citi
CitiNYSE: C: Global diversified financial services holding.
1+ YOEHigh school diploma, 1 year relevant servicing/processing experience, Class E driver's license, understanding of policies/procedures, ability to process and review collateral and servicing records.
1mo
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Service Process Coordinator 3
Ofallon, Missouri, United States
$41k-$52k/yr OnsiteFull Time
Citi
CitiNYSE: C: Providing global banking, investment, and wealth management services.
1+ YOE1 year of relevant service experience; servicing/processing experience preferred; knowledge of department policies; Class E driver's license; high school diploma.
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.
2w
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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
1w
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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.
1mo
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AI Process Intelligence Specialist
St. Louis or Tempe or United States
HybridFull Time
Edward Jones
Edward Jones: Offers investment management and financial planning through local branches.
3+ YOEBachelor's in Engineering/Operations or related; 3+ years (preferred 5) in process intelligence/automation; experience with process mining (Signavio, Celonis), process mapping, data governance, metrics, and analytics.
Signavio, Celonis
5d
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Assistant Operator
Granite City, Illinois, United States
$40/hr OnsiteFull Time
Air Products
Air ProductsNYSE: APD: Produces industrial gases and equipment for energy and manufacturing.
Operate, maintain and troubleshoot plant processes and equipment; perform minor mechanical/electrical/instrumentation maintenance; must be safety-minded and willing to support 24x7 operations.
DCS, SAP, Microsoft Office
2mo
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Machine Operator
Granite City, Illinois, United States
OnsiteFull Time
Friedman Industries
Friedman IndustriesNYSE American: FRD: Processes and distributes steel coils, plates, and sheets.
Operate steel processing equipment, follow safety procedures, read production paperwork, perform measurements with tapes and micrometers, maintain inventory and production records, and work in a fast-paced industrial environment.
measuring tape, micrometer
1mo
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Process Technician Nights 7:30pm to 7:00am
Jefferson City or Simpsonville or St. Louis
OnsiteFull Time
American Plastics
American Plastics: Manufactures plastic-injection molded products for storage and organization.
2+ YOE2+ years in injection molding process tech; operate major presses; 12-hour shifts; 5S/LOTO; pre-employment drug screen and background check.
Injection molding machines (Engel, Milacron, Battenfeld, UBE, HPM), Robots (Wittman and Servpro)
1w
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AI Process Consultant
Denver or St. Louis or Indianapolis or Chicago or United States or United Kingdom or Australia or New Zealand or Canada
$120k-$150k/yr FieldFull Time
Lyra Technology Group
Lyra Technology Group: Operates a global portfolio of managed IT service providers.
2+ YOEBachelor's degree, legally authorized to work in the US without sponsorship, 2+ years client-facing consulting/deployment/operations experience, strong analytical skills (spreadsheets, ROI modeling, basic SQL), working knowledge of modern AI and LLM/RAG systems, exceptional communication.
SQL, Python, Zapier, Make, n8n, LLMs, RAG
1mo
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Production Operator Nights- B Shift
Riverside, Missouri, United States
OnsiteFull Time
Premium Waters
Premium Waters: Manufactures and distributes bottled water and filtration systems.
Operate equipment, monitor production processes, maintain quality standards, and ensure safe, efficient operations; weekend availability.
3w
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Chemical Operator I
St. Louis, Missouri, United States
OnsiteFull Time
Sensient Technologies
Sensient TechnologiesNYSE: SXT: Manufacturer of specialty colors, flavors, and ingredient solutions.
Operate manufacturing equipment, prepare and process raw materials, perform quality inspections, follow GMP and safety practices, lift up to 50 lbs, work 12-hour shifts; high school diploma/GED required.
1mo
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Machine Operator - 1st Shift
High Ridge, Missouri, United States
OnsiteFull Time
The H-J Family of Companies
The H-J Family of Companies: Manufactures and supplies electrical components for global power distribution systems.
Entry-level machine operator for CNC and machining center work; must load/remove parts, inspect parts, operate grinding and assembly processes, lift up to 50 lbs, stand most of shift, have basic computer skills and be available for overtime/Saturday work.
CNC machining centers, spade machines, reamers, rotary index machines, grinding machines, grinding equipment, hand-held gauges, small handheld tools
3w
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Pharmaceutical Operator I -2nd Shift
Bridgeton, Missouri, United States
$26/hr OnsiteFull Time
Virbac
VirbacEuronext Paris: VIRP: Produces pharmaceutical and nutritional products for animal health.
High school diploma/GED, strong reading/comprehension and basic math skills; ability to set up and operate production equipment, perform line/area cleanings, and monitor in-process production. 1 year operator experience preferred but not required; training provided.
4w
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Case Sealing Operator
Wright City, Missouri, United States
$23/hr OnsiteFull Time
American Foods Group
American Foods Group: Processes and distributes beef products for retail and foodservice.
Operate and maintain case sealing machinery, monitor sealing process, perform routine maintenance, follow quality and safety standards. Must be 18+, authorized to work in the US without sponsorship, and able to work in cold/humid environments and lift/move occasional objects.
2mo
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3rd Shift Assembly Operator (11pm-7am) - Sparta, IL
Sparta, Illinois, United States
$17-$22/hr OnsiteFull Time
Spartan Light Metal Products
Spartan Light Metal Products: Specializes in lightweight die-casting and complex engineering solutions.
0+ YOEEntry-level operator for assembly and machining; trained to run operations, monitor quality, adjust process; shift 11pm-7am; HS/GED preferred.
ERP system, Machinery, Automation equipment
3mo
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Manager, Aseptic Process Operations
Brentwood, Missouri, United States
OnsiteFull Time
Kindeva Drug Delivery
Kindeva Drug Delivery: Develops and manufactures complex pharmaceutical drug delivery systems.
10+ YOEBachelor's degree in science/engineering or business; 10+ years in aseptic pharma manufacturing; ERP experience (Microsoft Dynamics 365 preferred); strong data integrity, variance management, and training capabilities.
Microsoft Dynamics 365, ERP systems, Data integrity tools
1mo
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SBU Material Control Process Leader
Davidson or Saint Peters or Tyler or Minneapolis
$118k-$165k/yr HybridFull Time
Trane Technologies
Trane TechnologiesNYSE: TT: Global provider of heating, ventilation, and air conditioning solutions.
7+ YOE7+ years hands-on supply chain experience with responsibility for large operations; expertise in ERP/MES/WMS, material flow optimization, PFEP, automation, and lean methods; leadership, project management, analytics, and up to 25% travel.
ERP, MES, WMS, PFEP (Plan For Every Part), AGV (Automated Guided Vehicle), kaizen, six sigma, kanban