Scott Walker signed associated schoolboy forms for Exeter City aged fourteen before becoming a trainee in 1996. He then signed a professional contract in 1998 and played against Panionios in a pre-season friendly. 

Not making an official first-team appearance for the Grecians, he joined Bath City  where he scored 14 goals in 90 games before switching to Newport County in 2000 and Chippenham Town in 2003. Winning player of the year awards with the Wiltshire club, he eventually moved to Weston-super-Mare and on to Truro City in a £3,000 deal.. 

Playing for Truro’s 2007 FA Vase-winning team at the ‘new’ Wembley, he remained with the club for six seasons as it rose up the leagues before later playing for Weymouth.

As of 2023 he was in a senior position in the Exeter City Community Trust having held a variety of positions in the organisation since joining in 2000.