Physical Effort/Activities: May be required to walk up to 5+miles per day, able to be on feet for 8-10 hrs at a time, able to bend, twist, push/pull, crouch, kneel in confined spaces, work at heights, on a ladder, and lift up to 50-75 pounds. Principal Duties and Responsibilities: Perform maintenance, troubleshooting, repair, and modification of site electrical systems and equipment, including chillers, MCC panels, VFDs, motors, switchgear, breakers, UPS systems, and batteries.