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61 engineer i jobs at 40 companies in O'Fallon, MO

3mo
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Engineer I
St. Charles, Missouri, United States
OnsiteFull Time
Patriot Machine
Patriot Machine: Manufactures complex structural parts and assemblies for the aerospace industry.
Engineering degree required; US person; strong mechanical aptitude; hands-on, detail-oriented; willing to learn through a development program.
CNC machining, machining
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1mo
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Application Engineer I
St. Louis, Missouri, United States
OnsiteFull Time
Nidec
NidecTokyo Stock Exchange: 6594: Manufactures electric motors and electronic components for industrial applications.
0+ YOEBachelor’s degree in Mechanical or Electrical Engineering; 0–2 years engineering experience; internship or co-op preferred; strong analytical skills; ability to manage multiple projects; travel required.
Microsoft Office, Engineering tools
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3mo
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Roadway Engineer I
Saint Louis, Missouri, United States
$64k-$111k/yr OnsiteFull Time
Parsons
ParsonsNYSE: PSN: Provides engineering and technology services for infrastructure and defense.
3+ YOEBachelor's in Civil Engineering; 3+ years road/highway experience; EIT required; PE desirable; Proficient in AutoCAD Civil3D, MicroStation Geopak/OpenRoads.
AutoCAD Civil3D, MicroStation Geopak, OpenRoads
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1mo
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Imaging Engineer I
O'Fallon, Illinois, United States
$30-$33/hr OnsiteFull Time
TRIMEDX
TRIMEDX: Clinical asset management and medical equipment maintenance services.
0.5+ YOE6 months experience in repair, maintenance, troubleshooting, and installation of medical imaging equipment; strong computer and MS Office skills; valid driver's license; willingness to travel.
Microsoft Office, Networking applications, Medical imaging equipment
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2mo
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Project Engineer I (Bridgeton, MO, US, 63044)
Bridgeton, Missouri, United States
$104k-$141k/yr HybridFull Time
Leonardo DRS
Leonardo DRSNASDAQ: DRS: Manufactures advanced electronic systems for defense and military applications.
5+ YOEBachelor’s degree in Engineering; 5+ years experience; project planning/execution; lead multi-disciplinary teams; MS Office; defense acquisition experience preferred.
Microsoft Office, MS Project
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2w
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Test Engineer I
Earth City, Missouri, United States
$123k/yr OnsiteFull Time
Ingersoll Rand
Ingersoll RandNYSE: IR: Designs and manufactures mission-critical industrial flow and compression equipment.
1+ YOEBachelor's in engineering,1+ year lab/testing or manufacturing experience,testing and troubleshooting skills,technical math and communication skills.
LabVIEW, DAQ
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3w
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Metrology Engineer I
Bridgeton, Missouri, United States
OnsiteFull Time
Kindeva Drug Delivery
Kindeva Drug Delivery: Develops and manufactures complex pharmaceutical drug delivery systems.
3+ YOEAssociates degree in science or engineering required; 3+ years related experience preferred. Responsible for instrument calibration, maintenance, troubleshooting, cleanroom HEPA certification support, data entry, and meeting production deadlines.
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1mo
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Mechanical Engineer PE I
Creve Coeur, Missouri, United States
OnsiteFull Time
iPipeline
iPipeline: Provides digital software solutions for the life insurance industry.
4+ YOEBachelor's degree in Engineering; Professional Engineer (PE) license; 4-6 years' experience; strong communication and problem-solving skills.
Engineering software, Computer tools
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2mo
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Civil Engineer I
St. Louis, Missouri, United States
$71k-$76k/yr OnsiteFull Time
Crawford, Murphy & Tilly
Crawford, Murphy & Tilly: CMT provides engineering and consulting for infrastructure and transportation.
0+ YOEBachelor's in Civil Engineering required; 0-4 years experience preferred; proficiency with AutoCAD, Revit, Civil 3D, ArcGIS, and Microsoft Office; ability to work in the field and travel to sites; valid driver's license; strong communication and problem-solving skills.
AutoCAD, Revit, Civil 3D, ArcGIS, Microsoft Office
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2mo
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Engineer I-AV Field
St. Charles, Missouri, United States
OnsiteFull Time
Boyd Gaming
Boyd GamingNYSE: BYD: Operates casino entertainment and hospitality properties in the United States.
2+ YOEEntry level AV field engineer with 2 years distributed AV experience preferred; HS diploma required; strong customer service and troubleshooting skills.
AV equipment, Networking, Troubleshooting, Lighting systems, Digital signage, Video displays, HDMI/DVI/VGA, Crestron or similar control systems
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1mo
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IBM i Developer — RPG / Business Applications
Sunset Hills, Missouri, United States
HybridFull Time
Grimco
Grimco: Manufacturer and distributor of signs and sign-making supplies.
3+ YOE3+ years IBM i development experience with fully free-format RPG (RPGLE/SQLRPGLE), CL/CLLE, embedded SQL/DB2, ILE concepts, RDi or VS Code+Code4i, and familiarity with Jira; US work authorization required, no visa sponsorship.
ILE RPG, RPGLE, SQLRPGLE, CL, CLLE, Embedded SQL, DB2, RDi, VS Code, Code4i, Jira, Node.js, PHP, Python, PASE, X12, FTP, AS/400, iSeries, Power Systems
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1w
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Senior Application Engineer I
Chicago or Dallas or Nashville or Raleigh or Boston or Louisville or St. Louis or Costa Mesa or Morristown
HybridFull Time
Schneider Electric
Schneider ElectricEuronext Paris: SU: Provider of energy management and industrial automation solutions.
4+ YOEBachelor’s or Master’s in Electrical Engineering/Power Systems, 4+ years in protection, control, and automation projects, knowledge of LV/MV power systems, protection relays, and communication protocols.
Modbus, DNP, IEC61850
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3d
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Process Engineer I - Manufacturing Sciences
St. Louis, Missouri, United States
OnsiteFull Time
Thermo Fisher Scientific
Thermo Fisher ScientificNYSE: TMO: Sells equipment and chemicals for scientific research and healthcare.
Bachelor's in a scientific or engineering field, knowledge of GMP and US/EU regulations, proficiency in Microsoft Word and Excel, ability to work independently and in teams, and willingness to support on-call and occasional weekend coverage.
Microsoft Word, Microsoft Excel
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1w
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Project Engineer I/II - Water/Wastewater
St. Louis, Missouri, United States
$30-$40/hr OnsiteFull Time
Trilon Group
Trilon Group: Providing engineering and design services for community infrastructure.
0+ YOEBachelor's in civil/environmental engineering, EI/EIT within 12 months, 0–4 years water/wastewater experience, familiarity with hydraulic modeling and AutoCAD/Civil 3D, strong communication and analytical skills.
WaterGEMS, SewerGEMS, InfoWater, SWMM, AutoCAD, Civil 3D, BIM, Revit
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3mo
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Manufacturing Engineer - I (Salem, IL, US, 62881)
Salem, Illinois, United States
$66k-$86k/yr OnsiteFull Time
North American Lighting
North American Lighting: Leading automotive lighting supplier in North America.
2+ YOEBachelor's degree in Engineering or related field; up to 2 years manufacturing experience; JIT automotive experience preferred.
APQP, PFMEA, Process Flow Charts
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2d
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New Grad Engineer I - Winter/Summer 2027 - Central Division (For Current/Former HNTB Interns Only)
Austin or Baton Rouge or Dallas or Des Moines or El Paso or Fort Worth or Houston or Kansas City or Little Rock or New Orleans or Oklahoma City or Overland Park or Plano or Round Rock or San Antonio or St. Louis
OnsiteFull Time
HNTB
HNTB: Infrastructure design and engineering for transportation and public works
Bachelor's degree in Engineering; familiarity with Microsoft Office, MicroStation and/or AutoCAD; strong teamwork and engineering fundamentals. New grads and former/current HNTB interns only; visa sponsorship unavailable.
Microsoft Office Suite, MicroStation, AutoCAD
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4w
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Software Engineer I, AI
Grand Rapids or Los Angeles or Washington or Troy or New York or Houston or Chicago or Owings Mills or Columbia or Richmond or Memphis or Raleigh or Boston or San Jose or San Francisco or Austin or Kalamazoo or Spokane or Denver or Fort Worth or Atlanta or Orlando or Dallas or Wilmington or Phoenix or San Antonio or Milwaukee or Madison or McLean or Huntsville or Woodbridge or Stamford or Miami or Philadelphia or Charlotte or Greenville or West Palm Beach or Costa Mesa or St. Louis or Fort Lauderdale or Seattle or Rosemont or Pittsburgh or Tulsa or Cincinnati or Cleveland or Columbus or Akron or Cherry Hill or Minneapolis or Anchorage or Salt Lake City or Norfolk or Jacksonville or Boulder or Nashville or Oak Brook or Las Vegas or Indianapolis or San Diego or Baton Rouge or Jackson or Tallahassee or Tampa or Omaha
$85k-$100k/yr OnsiteFull Time
BDO USA
BDO USA: Provides accounting, tax, and business advisory services to organizations.
1+ YOE1+ years software engineering experience; experience with AI/ML and integrating large language models preferred. Familiarity with databases/SQL, debugging and monitoring, Microsoft development stack (.Net, C#, Azure) preferred; HS required, bachelor\u0002s preferred.
Microsoft Visual Studio, VS Code, Microsoft Azure DevOps, GitHub, Microsoft SQL Server, Azure SQL, Microsoft Entity Framework, .Net, C#, Azure, SQL
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2d
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New Grad Engineer I - Winter/Summer 2027 - Central Division (For Current/Former HNTB Interns Only)
Dallas or New Orleans or Plano or Kansas City or Round Rock or Houston or El Paso or San Antonio or Des Moines or St. Louis or Fort Worth or Oklahoma City or Overland Park or Baton Rouge or Little Rock or Austin
OnsiteFull Time
HNTB
HNTB: Designs and manages large-scale transportation and infrastructure projects.
Bachelor's degree in Engineering required; familiarity with Microsoft Office, MicroStation and/or AutoCAD; EIT preferred; current/former HNTB interns only.
Microsoft Office, MicroStation, AutoCAD
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1mo
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Relay Technician I
Overland, Missouri, United States
OnsiteFull Time
Electric Power Systems
Electric Power Systems: Provider of electrical testing, commissioning, and engineering services.
0+ YOEEntry-level relay technician with ability to read diagrams, operate test equipment, and follow safety policies.
Relay test equipment, Relay testing software
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3mo
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Detail Technician I
Bridgeton, Missouri, United States
$14-$21/hr OnsiteFull Time
Cox Enterprises
Cox Enterprises: Providing global communications, automotive services, and media solutions.
On-site vehicle operations technician role; hourly pay; no remote option.
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