Webster played as a scrum-half or hooker in the National Rugby League for Australian clubs Balmain Tigers and Parramatta Eels.

Balmain then went on to merge with fellow foundation club Western Suburbs as part of the NRL rationalisation policy.

In early 2014, Webster was playing for amateur rugby club Hornsea RUFC, he earned one cap and also offered coaching support.

[9] In March 2016, Webster was named Interim Coach of Hull Kingston Rovers replacing the sacked Chris Chester.

In October 2019, was named head coach of Featherstone Rovers replacing Ryan Carr who return home to Australia.