He studied metallurgy at Curtin University on a BHP scholarship, before moving to Australia's east for work.
In December 2000, he acted as Commissioner of Western Australian Government Railways Commission, following the sale of the rail freight business component of Westrail.
[3] From July 2003 to July 2016, Waldock was Chief Executive Officer of the Public Transport Authority, responsible for a major construction program and for integrating statewide public transport services.
[4] In 2010, his role was expanded when he was appointed to serve a five-year term as Director-General of the WA Department of Transport, Commissioner of Main Roads Western Australia and CEO of the Public Transport Authority, concurrently.
[7] In April 2015, Waldock was reappointed as head of the three key WA transport agencies to 29 July 2016 upon which he retired.