Coaching and management career
After retiring, Hediger remained at FC Thun in a new role of head coach of the club's U-15 team.[2] In the 2021–22 season, he coached FC Basel's U16s, in the upcoming 2022–23 season the U18s, and ahead of the 2023–24 season, he was named manager of the club's U21s.[3]
In January 2024, he joined FC Zürich as U16s manager, initially, then manager of the club's U19 and U21 teams. He became the first-team assistant to head coach Mitchell van der Gaag upon the Dutchman's appointment prior to the 2025–26 season.[4] After van der Gaag's dismissal, in October 2025, Hediger took over as interim head coach. He was given the role permanently on 19 December.[5]
In October 2025, he became the interim head coach of FC Zürich after van der Gaag's dismissal.[4] On 19 December 2025, the club confirmed him as their new permanent head coach, beginning 1 January 2026.[6] He will attain his UEFA Pro License in spring 2026. He was terminated five rounds before the end of the season on 14 April 2026[7], following five defeats out of six matches.