Summary NIST is seeking a Maintenance Mechanic Supervisor to lead high-voltage electrical and elevator maintenance operations supporting mission-critical research and facility infrastructure across the NIST campus. This role oversees maintenance, emergency response, safety compliance, and modernization activities involving electrical distribution systems, elevators, cranes, and hoisting equipment to ensure safe, reliable, and continuous operations essential to laboratory and research functions. Responsibilities In this role, you will: - Serve as a working supervisor responsible for planning, directing, coordinating, and reviewing maintenance operations involving high-voltage electrical distribution systems, elevators, cranes, mechanical hoisting systems, and associated infrastructure supporting NIST facilities. - Supervise employees engaged in the inspection, testing, troubleshooting, preventive maintenance, repair, installation, and modification of complex electrical and mechanical sy...