10,000+ Mechanical Journeyperson jobs in O'Fallon, MO
Mechanical Product Design Developer
At Hitachi Energy - Maryland Heights, MO + 1 location
Posted on Nov 14
Mechanical Journeyperson (Toolmaker) - Wentzville Assembly
At General Motors - O'Fallon, MO
Posted on Sep 23
2025 Summer Intern - Manufacturing Mechanical Engineer
At General Motors - O'Fallon, MO + 7 locations
Posted on Nov 9