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Mechanical Engineer jobs in o'fallon USA

3 mechanical engineer jobs found in o'fallon: showing 1 - 3

Tooling Design Engineer
Company: Actalent |

Location: O'Fallon, MO, USA

| Salary: US$90000 - 100000 per year | Date posted: 28 Jul 2026
Job Title: Tooling Design EngineerJob Description We are seeking a highly skilled Tooling Design Engineer to analyze... Bachelors degree in Mechanical Engineering or related field. 5+ years of experience in a manufacturing or engineering
Tool Design Engineer
Company: O'Fallon Casting |

Location: O'Fallon, MO, USA

| Salary: unspecified | Date posted: 24 Jul 2026
degree in Mechanical Engineering, or equal. 5-years of experience preferred Strong knowledge and experience in Solidworks
Operating Engineer - 2nd Shift
Company: Cushman & Wakefield |

Location: O'Fallon, MO, USA

| Salary: US$52275 - 61500 per year | Date posted: 24 Jun 2026
Job Title Operating Engineer - 2nd Shift Job Description Summary Please note this is a 2ND SHIFT position, 3:00pm... - 11:30pm. Responsible to ensure the efficient operation and maintenance of mechanical, electrical and plumbing equipment