Ettridge competed in the State Basketball League between 1993 and 2004,[1] playing for the Cockburn Cougars (1993–1994), Willetton Tigers (1995–1996), Mandurah Magic (1997–1999; 2002–2004) and Perth Redbacks (2001).
[2] Ettridge has served in a variety of men and women's coaching positions for Australia's national wheelchair basketball program.
Ettridge coached the gold-medal winning Australia men's national wheelchair basketball team at the 2008 Summer Paralympics.
In his second year as head coach, he took the team to the NWBL's championship final, where they lost to the West Sydney Razorbacks.
In 2009, the Wheelcats ran the table again, defeating the Sydney Wheelkings to secure theor fourth consecutive NWBL championship.
In 2010, he left his coaching job with the Wheelcats to focus on the Rollers' World Cup campaign, a move that proved to be highly successful.