Clark started his career as a junior with Lincoln City followed by spells in local non league football with Boston Town, Holbeach United and King's Lynn, Hendon.
He left Hendon with Paul Fairclough signing him for Stevenage Borough,[1] Clark making his debut in the 2-0 Isthmian League victory at Dulwich Hamlet on 15 January 1994.
On 1 September 2005 Clark was appointed player-manager at Isthmian League Premier Division club Leyton.
[8] His first game in charge saw a 3–0 home victory over Darlington on 5 September 2009 but was followed by three defeats against league leaders Bournemouth, Notts County and Shrewsbury Town.
[10] Clark went on to working as a scout and match analyst for his former Peterborough United boss Darren Ferguson at Preston North End.
On 6 March 2019, Clark was appointed as Lead Youth Development Phase coach for Northampton Town.