Engineering Jobs in O'Fallon, Missouri

Position: Mechanical Procurement Engineer for Data Center & Industrial Projects - Clayco is seeking a Procurement Engineer to support mechanical scopes across...

Coral Tree Hospitality Group is seeking a Second Shift Hotel Engineer in Missouri to maintain hotel systems and ensure guest comfort. The role requires hands - on...

Leonardo DRS is seeking a Manufacturing Engineer Co - op in High Ridge, MO. You will work closely with engineers, assist in engineering tasks, and perform basic...

Position: Mechanical Engineer Intern (Summer 2027) - Join Amrize as a Mechanical Engineer Intern (Summer 2027) and help construct what's next. If you're ready...

Cochran is a growing civil engineering, construction materials testing, and land surveying firm with seven offices throughout Missouri. With over 100 professionals,...

Position: Business Development Engineer (BDE), US Marine Corps - Company Overview - At Motorola Solutions, we believe that everything starts with our people. We’re a...

Fuze Health is seeking a security engineer with 4+ years of experience to safeguard infrastructure, applications, and cloud environments. You will secure Kubernetes,...

Lead the Future of Energy Infrastructure with ERM - Are you ready to shape the regulatory landscape for some of the most complex and impactful energy projects in the...

Structural/Civil Engineer (Solar & Battery Energy Storage Systems) | Remote - Help shape the future of renewable energy. - We're seeking a Structural/Civil...

Position: Senior SCADA Engineer, Design (Remote) - SOLV Energy is a leading provider of infrastructure services to the power industry, designing, building and...