Police fleet maintenance jobs involve the upkeep of law enforcement vehicles and related equipment. In addition to vehicle repair and maintenance, your duties as a fleet technician or mechanic can include repairing and installing equipment such as in-car radios, sirens, and other devices. As a mechanic, you perform scheduled service on all vehicles and fix cars and equipment when they become damaged or need unscheduled repairs. Your responsibilities include testing autos and equipment to ensure that they operate correctly. Police fleet maintenance jobs also include supervisors who monitor the fleet operations, maintenance, and personnel shifts.