100 test operator jobs at 68 companies in Ballwin, MO

2w
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Operator
Marissa, Illinois, United States
$24/hr OnsiteFull Time
Eco Material Technologies
Eco Material Technologies: Supplies sustainable cement alternatives and industrial waste management services.
1+ YOEOperate plant equipment safely, load/unload and weigh shipments, sample and test fly ash, perform inspections, follow safety procedures, lift up to 50 lbs; HS diploma and 1-2 years' related experience preferred.
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
1mo
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Chemical Operator IV
Cadet, Missouri, United States
OnsiteFull Time
Buckman
Buckman: Provides specialty chemical solutions for water and industrial processes.
4+ YOEHigh school diploma required; 4+ years experience. Operate and monitor reactors, pumps, mixers and filtration; enforce OSHA/EPA/PSM safety; perform in-process QC and GC lab testing; troubleshoot and optimize processes.
GC
2w
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Heavy Equipment Operator
Florissant, Missouri, United States
$21-$24/hr OnsiteFull Time
St. Louis Composting
St. Louis Composting: Produces and distributes organic compost, mulch, and soil products.
Experience operating heavy machinery, performing routine maintenance and pre-trip inspections, prioritizing safety, able to lift 50 lbs, pass background check and drug/alcohol testing.
1mo
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LEAD OPERATOR 3rd shift
St Louis, Missouri, United States
OnsiteFull Time, Part Time
Nice-Pak Products
Nice-Pak Products: Global manufacturer of pre-moistened wipes for consumer and professional use.
0.5+ YOEMinimum six months production line manufacturing experience, familiarity with production equipment and quality procedures, ability to train and rotate line workers, follow safety and GMP, perform TQM testing, and lift 5–60 lbs.
scrambler, labeler, video jet, hot stamp, capper, taper, box coder, tape and label machine, TQM
1w
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Packaging Operator I - 2nd Shift
Saint Louis, Missouri, United States
$20/hr OnsiteFull Time
Jost Chemical
Jost Chemical: Produces high purity mineral salts for pharma and nutrition.
Perform routine packaging of dry and liquid chemicals, operate and troubleshoot packaging machinery, follow SOPs and Batch Records, lift up to 55 lbs, pass physical/drug/respirator tests.
3d
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Fuel Experience Owner Operator
Saint Louis, Missouri, United States
FieldContract
Texas TransEastern
Texas TransEastern: Specialized carrier transporting fuel and petroleum products via tanker.
2+ YOE2+ years fuel hauling experience, Class A CDL with tanker and hazmat endorsements, clean driving record, pass DOT physical and drug/alcohol test, able to complete road test.
3mo
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Heavy Equipment Operator Senior
Saint Louis, Missouri, United States
$71k-$93k/yr OnsiteFull Time
Metropolitan St. Louis Sewer District
Metropolitan St. Louis Sewer District: Manages wastewater and stormwater systems for the St. Louis region.
5+ YOEHigh school diploma or GED; 5 years' experience operating heavy construction vehicles; NCCCO Crane Operator; valid Class A CDL with air brakes and tanker endorsements; safety sensitive DOT drug testing.
Backhoe, Excavator, Skid Steer, Truck Mounted Crane, Wheel Loader
2d
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Machine Operator Assistant
Saint Louis, Missouri, United States
$24/hr OnsiteFull Time
Schwarz Partners
Schwarz Partners: Manufactures corrugated packaging and provides logistics for industrial clients.
High school diploma or GED, manufacturing/corrugated experience preferred, basic computer skills, ability to read tape measure, pass background/drug/physical tests, safety-minded and team oriented.
1w
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Associate Test Operations Integration Engineer
Berkeley, Missouri, United States
$83k-$113k/yr OnsiteFull Time
Boeing
BoeingNYSE: BA: Designing and manufacturing commercial aircraft and defense systems.
1+ YOEU.S. citizenship able to obtain U.S. security clearance, BS in engineering or related field, 1+ years engineering/project experience, EVM/capital planning knowledge preferred.
BORIS, Earned Value Management (EVM)
1w
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Associate Test Operations Integration Engineer
Berkeley, Missouri, United States
$83k-$113k/yr OnsiteFull Time
Boeing
BoeingNYSE: BA: Designs and manufactures aircraft, defense systems, and space technology.
1+ YOEBachelor's degree in engineering or related field, 1+ years engineering or project management experience, ability to obtain U.S. security clearance, EVM and capital planning experience preferred.
BORIS
1w
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Mechanical Service Operator (Locomotive) - East St. Louis, IL
East St. Louis, Illinois, United States
$26/hr OnsiteFull Time
Union Pacific
Union PacificNYSE: UNP: Provides rail freight and logistics services across North America.
Operate and service locomotives, perform inspections and tests, follow safety procedures, basic mechanical aptitude, valid driver's license, pass Physical Ability Test and medical/drug screens.
Forklift, Backhoe, Bobcat, Mobile crane, High-pressure steam cleaner, Hand radio
1w
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Trackhoe / Heavy Equipment Operator - Caseyville, IL
Caseyville, Illinois, United States
OnsiteFull Time
R. J. Corman Railroad Group
R. J. Corman Railroad Group: Operates short-line railroads and provides comprehensive railroad support services.
Operate and service heavy railroad equipment, perform material handling, follow DOT regulations, pass background/drug/physical tests, hold CDL-A preferred and DOT medical card, lift up to 100 lbs and work at heights.
3mo
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Industrial Vacuum Truck Operator
Caseyville, Illinois, United States
OnsiteFull Time
Illini Environmental
Illini Environmental: EPA-permitted waste disposal and environmental management services.
2+ YOECDL with Hazmat and Tanker endorsements; 2 years verifiable experience; age 23+; clean driving history; pass physical and drug tests; knowledge of regulations.
CDL, Hazmat, Tanker endorsements
2w
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Grain Elevator Operator - Barge Facility Laborer
Cahokia, Illinois, United States
$18-$24/hr OnsiteFull Time
CGB Enterprises
CGB Enterprises: Operates grain facilities and provides inland marine transportation services.
High school diploma or equivalent; no prior experience required; ability to perform heavy physical labor, lift/push/pull up to 50 lbs, work in confined spaces, pass FRA/DOT testing where applicable, and follow safety and PPE protocols.
3w
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Lease-to-Own: No Money Down, No Credit Check, Walkaway Lease
Union, Missouri, United States
FieldFull Time
U.S. Xpress
U.S. Xpress: Provides nationwide truckload shipping and logistics transportation services.
0.5+ YOEMust have CDL A, be 21+, 6 months verifiable experience, meet driving record standards, pass DOT physical and drug test; walkaway lease options and account terms vary by owner-operator.
ATBS, E-Z Pass, Freightliner
1mo
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Distribution Sys Oper Supv II
St. Louis, Missouri, United States
$105k-$163k/yr OnsiteFull Time
Ameren
AmerenNYSE: AEE: Generates and distributes electric and natural gas utility services.
3+ YOEHS diploma required; 3–5+ years relevant distribution or electric operations experience; pass SO/PD II Test; working knowledge of electrical distribution design and operations; strong communication, troubleshooting, and PC skills.
2mo
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Operations Manager
St. Louis, Missouri, United States
$30k/yr OnsiteFull Time
Mosquito Squad of Greater Saint Louis
Mosquito Squad of Greater Saint Louis: Provides residential and commercial outdoor pest control services.
Leadership of pest control team and office staff; manage operations, stock, scheduling; valid driver's license; ability to lift 65 lbs; willingness to pass on-site drug test.
1mo
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Assistant Vice President - Operations Support Manager - Hybrid
O'Fallon, Missouri, United States
$73k-$109k/yr HybridFull Time
Citi
CitiNYSE: C: Global diversified financial services holding.
5+ YOE5+ Mgmt5+ years managing teams, experience analyzing business requirements and test plans, strong problem-solving, communication, and time-management skills; Bachelor’s degree or equivalent experience.
4w
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Order Room Operations Associate II
Saint Louis, Missouri, United States
OnsiteFull Time
Stifel Financial
Stifel FinancialNYSE: SF: Financial services firm providing wealth management and investment banking.
2+ YOE2+ years business-related experience, strong phone/customer service, organization, multitasking, judgment, knowledge of trading/order lifecycle, ability to reconcile trades, process corrections, and assist with system testing and training.
Microsoft Word, Microsoft Outlook, Microsoft Excel, Thomson One, Beta, Fidessa, APL, Vestmark, OMS