and/or transports placardable amounts of hazardous materials by ground in any vehicle on a public road while in commerce, may be subject to additional Federal Motor Carrier Safety Regulations including: Driver Qualification Files, Medical Certification (obtained before onboarding), Road Test, Hours of Service, Drug and Alcohol Testing, vehicle inspection requirements, CDL requirements (if applicable) and hazardous materials transportation/shipping training. You will spend the majority of your time embedded in specific technical challenges for weeks at a time: modeling failure physics, analyzing thermal margins, supporting root-cause investigations, and helping subsystem teams finalize designs that survive launch and long-duration orbital environments.