AECOM has an exciting opportunity for a Senior Primary System Engineer to join our Transmission Distribution team in Sydney.The person appointed will be responsible to work with and across a strong Transmission and Distribution Team and to provide the appropriate business development, technical support, and deliver quality project outcomes on time and on-budget delivery.This position requires you to be responsible for the development of the substation HV system, specifications, and interface with other disciplines on design issues across the substation configuration, equipment rating, and layout, earthing, insulation coordination, HV cables, and conduit designs.You will be given the unique opportunity to work with one of our key clients who are about to embark on an ambitious major transmission works program of a scale not seen in the Australian electricity sector in many decades.