The Safety Lead Investigator – Commuter Rail Mechanical is responsible for investigating all incidents with a railroad mechanical component (e.g., major events and near misses involving employee injuries, infrastructure damage, derailments, service interruption, etc.). The Safety Lead Investigator will respond to incidents, gather documentation and information, report to the appropriate parties, determine root causes, and collaborate with Railroad Operations (RRO) and Keolis to recommend feasible corrective action plans to improve safety programs, policies, and procedures. The Safety Lead Investigator will work closely with and support Keolis to track and implement safety recommendations and/or corrective actions. The Safety Lead Investigator will report to the Director of Commuter Rail Safety. The Safety Lead Investigator will also assist the Deputy Director of Safety Assurance and Commuter Rail Safety team with safety assurance activities including regular audits. The Safety Lead Investigator will be responsible for staying abreast of new laws and regulations regarding safety and recommend appropriate changes to MBTA Safety management.