[5] Walter served as the Proteas' strength, conditioning, and fielding coach from 2009 to 2013.
[7][8] Later, he also worked as an assistant coach with the Pune Warriors and Delhi Daredevils in the Indian Premier League.
[1][6] In 2016, Walter moved to New Zealand to coach the Otago Volts for five years, leading them to two finals.
[9] He departed in January 2023 to assume his current position of head coach with the South Africa national cricket team.
[10] Prior to this, he had gained experience in international cricket with New Zealand A in 2022.