p>The Mechanical Engineer is responsible for ensuring the safety, reliability, regulatory compliance, and lifecycle performance of all rolling stock, including buses, rail vehicles, and paratransit equipment, serving as a technical Subject Matter Expert (SME) providing professional engineering support in the evaluation, design, maintenance, modification, and repair of passenger vehicles in accordance with applicable federal, state, and local requirements. The position also supports data-driven maintenance strategies by establishing performance metrics, assisting with testing and commissioning of new vehicles, recommending engineering solutions to improve service reliability, and collaborating across departments to reduce service disruptions and advance a safe, reliable, and sustainable transit system.