ATCO Australia managing director Steven Landry will return to Canada at the end of the month after a three-year stint in charge of the Perth-based division of the energy infrastructure business.
Mr Landry will take the role of senior vice-president and chief development officer at ATCO Group, focusing on group-wide business development and government relations.
The former Chrysler senior executive joined ATCO Australia as managing director in January 2011.
He will be replaced by ATCO Power vice-president, project engineering and construction, Wayne Stensby.
Mr Stensby has worked for ATCO since 1988 in a number of senior roles, including assignments in Australia and the UK.
ATCO Australia's energy infrastructure assets include reticulated gas pipeline networks across Western Australia and power stations in Karratha, Bulwer Island in Queensland and Osborne in South Australia.