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78 test associate jobs at 44 companies in O'Fallon, MO

1mo
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Associate Software Engineer – Test & Verification
Hazelwood, Missouri, United States
$70k-$86k/yr OnsiteFull Time
Boeing
BoeingNYSE: BA: Designs and manufactures aircraft, defense systems, and space technology.
1+ YOEBachelor's degree, active U.S. Secret clearance, ability to obtain TS/SCI, DoD 8140 foundational qualifications, 1+ years QA experience, proficiency with Python/JavaScript/PowerShell/.NET, Agile experience, test automation and Azure DevOps preferred.
.NET Framework, .NET 8, .NET 10, Python, JavaScript, PowerShell, Azure DevOps
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1mo
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Associate Software Engineer – Test & Verification
Hazelwood, Missouri, United States
$70k-$86k/yr OnsiteFull Time
Boeing
BoeingNYSE: BA: Designing and manufacturing commercial aircraft and defense systems.
1+ YOEBachelor's degree, active U.S. Secret clearance, DoD 8140 foundational qualifications, 1+ years QA experience, proficiency with Python/JavaScript/PowerShell/.NET, Azure DevOps experience, and Agile development experience.
.NET Framework, .NET 8, .NET 10, Python, JavaScript, PowerShell, Azure DevOps
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1w
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Associate Crypto Test Engineer (Top Secret Cleared)
Scott Air Force Base, Illinois, United States
$70k-$90k/yr OnsiteFull Time
Nathan Kunes Incorporated
Nathan Kunes Incorporated: Specialized engineering services for defense and government agencies.
2+ YOEU.S. citizen with Top Secret clearance, 2+ years relevant experience, bachelor\u0002s in CS/IS or related, experience with networking, Linux/CentOS, cryptographic devices, PKI, VPN/SSH, and monitoring tools.
Cisco IOS, CentOS, Linux, SSH, VPN, Snort, PKI
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3d
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Distribution Associate
Saint Louis, Missouri, United States
$16/hr OnsitePart Time
Saint Louis Zoo
Saint Louis Zoo: Operates a public zoo focused on conservation and education.
Valid driver’s license, ability to lift and move product, high school diploma preferred, criminal background check and negative drug test required.
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1mo
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Sales Associate
St Peters, Missouri, United States
OnsiteFull Time
Dave Sinclair Lincoln St. Peters
Dave Sinclair Lincoln St. Peters: Automotive dealership selling new and used vehicles.
Automotive sales background preferred; strong customer service and communication; goal-oriented; valid driver’s license; pass background check and drug test.
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1w
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Maintenance Associate
Maryland Heights, Missouri, United States
$25-$36/hr OnsiteFull Time
Curio Wellness
Curio Wellness: Cultivates and manufactures scientifically developed medical cannabis products.
Proven maintenance experience with electrical, plumbing and HVAC systems; skill with hand and power tools, test equipment, blueprints, and basic computer skills; must be 21 and comply with state fingerprint/FBI background requirements.
multimeters, ammeters, flow meters, light meters, hand and power tools, blueprints, repair manuals, parts catalogs
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3d
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Associate Engineer
Saint Louis, Missouri, United States
$66k-$101k/yr OnsiteFull Time
Metropolitan St. Louis Sewer District
Metropolitan St. Louis Sewer District: Manages wastewater and stormwater systems for the St. Louis region.
Bachelor's in engineering (or final-year student) required; valid state driver's license; ability to read engineering plans, use spreadsheets/design software, prepare technical reports; pass Non-D.O.T. drug test.
CMMS, IBM Maximo
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3mo
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Deli Associate
Kirkwood, Missouri, United States
OnsitePart Time
The Winn-Dixie Company
The Winn-Dixie Company: Operates retail grocery stores and pharmacies in the Southeast.
0+ YOECustomer-service focused deli worker; high school/GED preferred; must be 18, authorized to work in US, pass drug test/background check; operate deli equipment and follow food safety; 0–3 years experience.
pricing gun, scales, scanner, register, slicer, oven, saws, grinder, rotisserie, fryer, steamer, proofer, baler/compactor, box cutter, pallet jack
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1mo
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Production Associate - 1st Shift
Earth City, Missouri, United States
OnsiteFull Time
Ruger
RugerNYSE: RGR: Designs and produces firearms and precision metal investment castings.
Production role requiring operation of manufacturing equipment; able to work overtime; and teamwork; must be 18+ and pass background and drug tests.
CNC, Injection Molding Equipment, Milling Machines, Furnaces, Finishing Equipment, Measuring Tools
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6d
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Patient Dining Associate II - Part Time (20 hours per week)
Saint Louis, Missouri, United States
$17-$22/hr OnsitePart Time
BJC Health System
BJC Health System: Non-profit health system providing comprehensive hospital and clinical care.
0+ YOEAssemble and deliver patient meals, screen diets/allergens, follow safe food handling, attain ServSafe and pass patient dining test, and train new associates.
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2w
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Production Associate - All Shifts
Edwardsville, Illinois, United States
$17/hr OnsiteFull Time
World Wide Technology
World Wide Technology: Global technology solutions provider and systems integrator.
High school/GED required. Perform inspection, testing, basic installations, packaging, inventory updates, and basic troubleshooting in an integration center; follow technical documentation and quality procedures.
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1mo
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Facility Operations Associate
St. Louis, Missouri, United States
$16-$18/hr OnsiteFull Time
Sunset Country Club
Sunset Country Club: Operates a private members-only golf and social country club.
Able to move furniture for event setups, perform general clubhouse cleaning, assist with basic AV/IT setup and test equipment, and perform light repairs/maintenance while working independently and with a team.
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2mo
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Delivery Associate - Part-Time/Full-Time
Pontoon Beach, Illinois, United States
$22/hr OnsiteMultiple Commitments Available
Calvary Logistics
Calvary Logistics: A logistics that provides delivery services.
0+ YOENo experience required; valid driver's license; ability to pass background and drug tests; 21+; flexible part-time or full-time hours.
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1mo
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Field Associate II (JERSEYVILLE, IL)
Jerseyville, Illinois, United States
$62k-$93k/yr FieldFull Time
Bayer
BayerFrankfurt Stock Exchange: BAYN: Global enterprise focused on healthcare and nutrition.
Bachelor's degree (or degree completion by Dec 2026), valid driver’s license and acceptable MVR, DOT medical card or ability to obtain one, ability to lift 50 lbs, supervise seasonal staff, operate field equipment and precision agriculture tools, travel up to 15%, and meet pre-employment background, drug test and physical requirements.
tractors, modified commercial harvesters, commercial drones, precision agriculture technology
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3w
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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
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4w
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Associate Printer
Bridgeton, Missouri, United States
$16-$29/hr OnsiteFull Time
UnitedHealth Group
UnitedHealth GroupNYSE: UNH: Provides health insurance and technology-enabled health care services.
High school diploma/GED, 18+ years old, ability to work full-time Monday–Friday with flexibility for 2:00pm–10:00pm shifts, attend 4 weeks of 6:00am–2:00pm training, pass a drug test, able to travel up to 10%, and follow HIPAA/PHI procedures.
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5d
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Associate EMS Dispatcher
St Louis, Missouri, United States
$20/hr OnsiteFull Time
Global Medical Response
Global Medical Response: Provides air and ground emergency medical transport services.
HS diploma/GED and age 18+, ability to communicate via phone and radio, listen/talk/type simultaneously, pass computer-aided pre-interview test, complete training and continuing education.
Computer Aided Dispatching (CAD)
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3w
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US Tech - AI Engineering Senior Associate
Tampa or Raleigh or Charlotte or Chicago or Cincinnati or Cleveland or Columbia or Columbus or Dallas or Baltimore or Richmond or Rochester or Rosemont or Sacramento or Boston or St. Louis or Salt Lake City or San Antonio or San Diego or San Francisco or San Jose or Seattle or Spartanburg or Albany or Stamford or Atlanta or Toledo or Austin or Tulsa or Washington or Denver or Des Moines or Detroit or Buffalo or Florham Park or Fort Worth or Greensboro or Hartford or Houston or Grand Rapids or Indianapolis or Irvine or Jacksonville or Kansas City or Las Vegas or Little Rock or Los Angeles or Louisville or Birmingham or United States or Fayetteville or Melville or Miami or Milwaukee or Minneapolis or Montpelier or Nashville or New Orleans or United States or New York City or Oklahoma City or Orlando or Philadelphia or Phoenix or Pittsburgh or Portland
$55k-$151k/yr HybridFull Time
PwC
PwC: Providing audit, tax, and management consulting services to businesses.
2+ YOEBachelor's in CS or related, 2+ years in data/AI/quality engineering, experience with test automation and CI/CD, familiarity with LLMs and prompt engineering, building automated test suites and evaluating AI agents.
CI/CD, LLMs, Microsoft Power Automate
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2w
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Software Tester 2-3 (Associate/Mid-Level)
Swansea, Illinois, United States
HybridFull Time
UNCOMN
UNCOMN: A technology delivering secure solutions and quality engineering to support public and private sector operations.
2+ YOE2+ years related experience; strong SDLC knowledge; automation and manual testing across function, system, performance, and regression; excellent communication and time-management; eligible for Secret clearance.
SoapUI, Jira, TestComplete
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4d
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Engineering Lab Technician- St Louis, MO
St. Louis, Missouri, United States
OnsiteFull Time
Hubbell
HubbellNYSE: HUBB: Designs and manufactures electrical products and utility infrastructure solutions.
Associate degree or certificate in electrical/electronic technology or equivalent experience; hands-on electronics assembly, fabrication, testing, troubleshooting, repair, ESD practices, and accurate test documentation.
Microsoft Office
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