USA Government Jobs - - Responsibilities: Installs and adjusts (construction) major electrical equipment such as power transformer and gas, oil, or air-insulated power circuit breakers; instrument and station service transformers, disconnect and circuit switches, protective devices, static capacitors, batteries and charges.; Maintains and repairs (maintenance) major electrical equipment in substations. When equipment fails, performs emergency repairs.; Performs diagnostic testing to inspect parts and equipment.; Assembles and erects steel racks and towers to support equipment.; Installs and changes antennas, reflectors, transmitting or receiving devices, emergency power supplies, and other equipment located in microwave or radio stations.