With fielding consultant Greg Blewett in Adelaide for the birth of his child, Young will link with the side once the 15-member squad for the tri-series and the World Cup is announced.
Blewett will then return during the tri-series and work with Young for the rest of the summer.
Many believe that Young has been employed to help the hosts improve their fielding show after being guilty of dropping a string of catches in the four-match Test series against India but Cricket Australia spokesperson was reported saying on its website that the decision was taken months ago and has nothing to do with the team's recent spills.
Speaking on the dropped chances in Sydney, Lehmann said that it was a confidence issue and had nothing to do with their training methods.
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"Lehmann again backed his side's work ethic when quizzed about their fielding during the Sydney Test this week. "It's not a skill level or concentration or any of those issues," he said on Thursday.
Young, a former minor league baseball player and coach, first became involved in cricket in 1999 when he was invited to join a Queensland training session by then Bulls coach John Buchanan.
When Australia's fielding slipped during their 2005 Ashes loss, Young was again called on by Buchanan. He was involved in Australia's World Cup wins in 2003 and 2007 and their Ashes whitewashes in 2006-07 and 2013-14, and has also worked as a consultant with teams in India, England, South Africa and New Zealand.
This summer will be Young's third separate stint with the side in less than two years.