Nobbs received a scholarship to train alongside the national senior team ahead of the 2016 Summer Olympics, although she was not a full member of the senior team.[3] Nobbs was selected to the 2016 Junior World Cup team.[4] Nobbs won a bronze medal as part of the team.[5] Also in 2016, Nobbs was named to the senior Australian women's national field hockey team, the Hockeyroos, for the first time.[6] Nobbs was selected to replace Anna Flanagan ahead of a four-team tournament in Japan.[7] Nobbs was again part of the Australian team when they won bronze at the 2017 Hawkes Bay tournament.[8]
Nobbs won the 2015 Jeanette Buckham Award for Outstanding Individual Sportswoman and was named 2016 Burwood's Sportsperson of the Year.[6][4]
Nobbs qualified for the Tokyo 2020 Olympics. She was part of the Hockeyroos Olympics squad. The Hockeyroos lost 1–0 to India in the quarterfinals and therefore were not in medal contention.[9]