Chasing 164 to win in the Sixers Academy second match of the Quad Series at Blacktown International Sportspark, Edwards played the ultimate captain’s knock sharing a 91-run third wicket partnership with Australian Under 19 batsman Lachlan Hearne, who made 48 not out from 28 balls.
Victory was achieved in the 18th over and the Sixers Academy finished 5/166.
Edwards reached the boundary nine times and cleared it on five occasions.
It was a quick bounce back for the Sixers Academy after losing in a Super Over to the Hobart Hurricanes on Monday.
Earlier, Thunder won the toss and elected to bat first posting 5/163 from their 20 overs.
It was the pacemen who did all the damage early on for the Sixers Academy before Nathan McAndrew (68 not out from 41) and Tyran Liddiard (42 not out from 26) steadied the Thunder ship adding an unbeaten 98.
Left-arm quick Ben Dwarshuis finishing with 2-29 from his four overs and the in-form Liam Hatcher taking 2-32 also from four.
The Sixers Academy play the Auckland Aces in their next match on Thursday.
Sixers Academy XI: Jack Edwards ( c ), Nick Stapleton, Baxter Holt, Lachlan Hearne, Param Uppal, Luke Bartier, Ben Dwarshuis, Aiden Bariol, Joel Foster, Ben Manenti, Liam Hatcher.