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. Responsibilities: Lead circuit design for the Dual Voltage Distribution Box, including solid-state power controllers (SSPCs), relay-based switching, overcurrent protection, in-rush current limiting, and fault isolation across both voltage domains of the spacecraft power bus.