6,253 Science and Engineering jobs in O'Fallon, MOSet Job AlertWant more jobs like this?We’ll send you jobs that match this search criteria. Get Science and Engineering jobs in O'Fallon, MO delivered to your inbox every week.Enter emailSend me The Muse newsletters for the best in career advice and job search tips.Get Jobs!By signing up, you agree to our Terms of Service & Privacy Policy.Senior Professional Services Engineer, SecurityAt GitLab -RemotePosted on Apr 18View JobApply On Company Site Product Engineer II - ArcGIS Solutions Product EnablementAt Esri -RemotePosted on Apr 9View JobApply On Company Site Senior Applied Scientist - Multimodal LLMsAt Samsara Inc. -RemotePosted on Mar 25View JobApply On Company Site Senior Site Support EngineerAt GE Vernova -RemotePosted on Mar 15View JobApply On Company Site Lead Transmission Line EngineerAt Leidos -RemotePosted on Mar 11View JobApply On Company Site Project Technical Engineering Experienced ProfessionalAt Hitachi Energy -RemotePosted on Jan 9View JobApply On Company Site Distinguished Engineer, ArchitectAt Forcepoint -RemotePosted on Jan 7View JobApply On Company Site Power Systems EngineerAt Eaton -Fenton, MOPosted on May 4View JobApply On Company Site GroundskeeperAt Sodexo -St. Louis, MOPosted on Apr 30View JobApply On Company Site Senior Variant Analyst Scientist, Operations Support and TrainingAt Labcorp -RemotePosted on May 29View JobApply On Company Site Quality Control Senior EngineerAt Schneider Electric -Posted on May 27View JobApply On Company Site Medical Science Liaison - Northeast GermanyAt CSL -RemotePosted on May 27View JobApply On Company Site Field Service Engineer - Torrance, Carson, Signal Hill CAAt General Motors -RemotePosted on May 23View JobApply On Company Site Senior Site Reliability Engineer, RunwayAt GitLab -RemotePosted on Apr 8View JobApply On Company Site Principal Technical Support Engineer - Dutch FluencyAt Samsara Inc. -RemotePosted on Feb 11View JobApply On Company Site Protection Engineer - Field ServiceAt GE Vernova -RemotePosted on Mar 12View JobApply On Company Site Lead Transmission Line EngineerAt Leidos -RemotePosted on Jan 22View JobApply On Company Site 2025 Summer Mechanical/Civil Engineering InternAt Hitachi Energy -RemotePosted on Nov 14View JobApply On Company Site Intermediate Site Reliability Engineer, ObservabilityAt GitLab -RemotePosted on Mar 18View JobApply On Company Site Lead Field Service Engineer - AutomationAt GE Vernova -RemotePosted on Feb 15View JobApply On Company Site