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Apply for Engineering Positions in O'Fallon, MO

Jobs found: 771
today 21. Application Engineer

Engineering (Systems Engineer, Electrical Engineering)

Saint Louis, United States | Posted on 04/01/2026 - As part of the advanced technical team at Ramco Innovations, the application Engineer...

Application Engineer Job

Listing for: Ramco Innovations Inc.
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today 22. PSI - Project Manager - Construction Material Testing

Construction (Civil Engineering), Engineering (Civil Engineering, Environmental Engineer)

PSI - Project Manager - Construction Material Testing – St. Louis, Missouri - Intertek, a leading provider of quality and safety...

PSI - Project Manager - Construction Material Testing Job

Listing for: Intertek Group Plc
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today 23. Onsite Field Service Engineer – Diagnostics & Support

Engineering (Field/Service Technician)

A global diagnostics company is seeking a Field Service Engineer in Missouri. This role involves providing maintenance, troubleshooting...

Onsite Field Service Engineer – Diagnostics & Support Job

Listing for: Epredia
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today 24. R&D Engineer: Codes, Standards & Product Testing

Engineering (Quality Engineering)

MiTek Industries is seeking an R&D Engineer to support the R&D Lab and Regulatory Compliance teams in Earth City, Missouri. This...

R&D Engineer: Codes, Standards & Product Testing Job

Listing for: MiTek Industries
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today 25. Field Service Engineer Kansas

Engineering (Field/Service Technician, Systems Engineer)

Position: Field Service Engineer Kansas City - Be a part of a global team where what we do matters! At Epredia, we recognize that our...

Field Service Engineer Kansas Job

Listing for: Epredia
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today 26. R&D Engineer - Codes, Standards & Product Testing

Engineering (Quality Engineering, Systems Engineer, Engineering Design & Technologists)

R&D Engineer - Codes, Standards & Product Testing page is loaded## R&D Engineer - Codes, Standards & Product Testing...

R&D Engineer - Codes, Standards & Product Testing Job

Listing for: MiTek Industries
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today 27. GEOINT Infrastructure Engineer TS/SCI

Engineering (Systems Engineer)

SHINE Systems is looking for an Infrastructure Services Engineer to join a collaborative team of Systems Engineers supporting geospatial...

GEOINT Infrastructure Engineer TS/SCI Job

Listing for: SHINE Systems
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today 28. Senior Project Engineer Lead — On-Site, Secret Clearance

Engineering

A technology solutions firm is seeking an Engineering Project Manager based in Missouri. The role involves providing engineering...

Senior Project Engineer Lead — On-Site, Secret Clearance Job

Listing for: Cts Technology Solutions, Inc.
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today 29. R&D Engineer - Codes, Standards & Product Testing

Engineering (Quality Engineering)

Job Description - The R&D Engineer supports both the R&D Lab and Regulatory Compliance teams. This role is responsible for...

R&D Engineer - Codes, Standards & Product Testing Job

Listing for: MiTek Industries Inc
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today 30. Senior Electrical Engineer – P&C Substation

Engineering (Electrical Engineering, Systems Engineer)

Overview - Find Talent is partnering with a leading boutique engineering firm to identify an experienced Senior Electrical Engineer...

Senior Electrical Engineer – P&C Substation Job

Listing for: find-talent
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Jobs found: 771