Hellwig's full-time sport administration career commenced in 1993 with his appointment as General Manager of Northern Territory Athletics. APC President
Greg Hartung "Since joining the APC, Jason has managed our sport operations to help ensure Australia has maintained a position within the world’s top five nations at Paralympic Summer Games and top 10 at Paralympic Winter Games. He was appointed Australian Team Chef de Mission for the
2012 Summer Paralympics. He has attended the following
Summer Paralympics as an administrator - 2000 Athletics Manager; 2004 - Director of Operations; 2008 - General Manager; 2012 - Chef de Mission Hellwig stepped down from CEO of the APC in March 2015. Hellwig was appointed Swimming Victoria Chief Executive Officer in 2016. In this position, he led Swimming Victoria to work with British-based Hawk-Eye Innovations to develop Swimming Video Review Technology system that improves the efficiency and automation of officiating and timing in swimming. Hellwig in his role of Swimming Victoria CEO commented on the transgender debate in sport with the view that "“As sporting bodies, we have an obligation to represent an opportunity for the entire community to play the sport'. ==Recognition==