Engineering Jobs in O'Fallon, Missouri

Quanta Infrastructure Solutions Group in Missouri is seeking a Project Engineer responsible for overseeing the design of high voltage infrastructure projects. This...

Clayco is seeking a Procurement Engineer to support electrical scopes on large - scale Data Center, Industrial, Life Science, Commercial and Institutional projects....

Position: Project Engineer / Senior Project Engineer - If you’re an engineering professional looking for an opportunity to grow, Emerson has phenomenal news for you!...

Position: Design Mechanical Engineer: CAD/CAE for Retail Displays - PFI Instore designs and manufactures retail display cases and related millwork. The Design...

Engineering Economics, Inc. (EEI) seeks a Mission Critical Electrical Specialist to independently commission, test, and verify electrical building systems in the...

News - Press & Gazette Company (NPG) is seeking an Infrastructure Engineer based in St. Joseph, Missouri, with hybrid - remote options to support our IT and...

Select how often (in days) to receive an alert: - Engineer II, Compliance (Integrity Management) - Date: - Oct 10, 2026 - Location: - Saint Louis, MO, US, 63101 -...

Position: Field Service Technician (B) - Location: - (HE) City Job : R0039833 Date Posted: Company Name: HITACHI ENERGY USA INC Profession (Job Category): - ...

Energy Innovation Corp in Independence, MO seeks an Environmental Engineer for a remote role offering $70,000–$103,000 annually. The position emphasizes modernizing...

EDC Engineering Design Consultants LTD. is seeking a Senior Electrical Design Engineer in Missouri to lead the electrical design on various projects. The role requires...