Performs highly skilled technical work in the inspection, troubleshooting, maintenance, repair, and diagnostic analysis of all components of the MetroLink electric traction power generation and distribution system, including but not limited to: substations, power return to substations and catenary systems. Assists in the maintenance and repair of other electrical systems of the MetroLink light rail system such as wayside signal and train control systems including highway grade crossing warning systems, and related equipment during emergencies and service disruptions. Job Responsibilities Installs, inspects, maintains, repairs and provides diagnostic analysis on the traction power substations and catenary systems including but not limited to: traction power substations, catenary poles and foundations, catenary support arms and associated components, messenger and contact wire, catenary insulating devices, power disconnect and switching devices, surge protection devices and switch heaters feeds. Responds to calls for service to diagnose and correct emergencies involving MetroLink electrical systems on a twenty-four (24) hour basis. Operates various vehicles and equipment associated with the maintenance and repair of the Metro electrical systems both on the road and on rail. Performs activation and deactivation of the electric traction power systems, and assists in activation and deactivation of other electrical systems during emergencies and service disruptions. Assists in maintenance and repair of wayside signal and train control systems and highway grade crossing warning systems of the MetroLink light rail system during emergencies and service disruptions. Assists in the maintenance and repair electrical support systems, such as power, lighting and power control systems at all MetroLink stations and along the MetroLink System during emergencies and service disruptions. Trims trees, bushes and shrubs on Metro Property around electrical systems including but not limited to high voltage wires, catenary systems, and substations.