The Sixers confirmed on Thursday that Mott would join them for the next three BBL summers, five weeks after a premature end to his time as England's men's white-ball coach.
He will act as an assistant to Greg Shipperd, and put himself back in the frame in Australia after vacating the women's job two years ago.
Mott has long been considered a possible future option in Australia's men's set-up, after interviewing for the job in 2022.
He won two T20 World Cups with Australia's women and one with England's men, to go with Australia's win in the 50-over women's tournament in 2022.
Matthew Mott won two T20 World Cups with Australia's women's team. (David Crosling/AAP PHOTOS)
"I'm delighted to join back up with the Sydney Sixers" Mott said."Having started my coaching journey in Sydney many years ago, it's a place that evokes both great memories and a comforting sense of familiarity."The idea of being an assistant to Greg Shipperd, who I have a tremendous amount of respect for, really appealed to me."The Sixers are an exciting team and proven performers over a long period of time, and I can't wait to get back involved."
Mott will fill the role left by Cameron White, who has become the new head coach at the Renegades.
He has previously coached NSW in Sheffield Shield cricket, and will work with his former vice-captain Rachael Haynes in her role as Sixers general manager.
"When the opportunity arises to bring a coach of Motty's calibre into your ranks, it's a no-brainer," Haynes said.
"We know what a fantastic resource he will be for our playing group."It goes without saying that his coaching resume speaks for itself.
"He has an incredible track record of success around the world, and he's proven he knows what it takes to build, and sustain, a winning culture."
England cricket officials announced this week that Brendon McCullum would next year take over the country's white-ball set-up, as part of his expanded role as Test coach.
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