[2] Eastick has been involved in coaching for more than 30 years, working at Queens Park Rangers, Chelsea, Brighton & Hove Albion and Charlton Athletic,[3] before spending five months as manager of Newport County in the 1987–88 season.
[3] Between 1988 and 1995 Eastick worked part-time at the Football Association's National School at Lilleshall before leaving to take up a role as assistant to Bryan Hamilton in managing the Northern Ireland team between 1995 and 1998.
[2] Eastick spent seven years at Birmingham City, brought in by manager Trevor Francis to develop the youth system from scratch,[5] before spending two years as academy manager and head coach of Newcastle United during Sir Bobby Robson's reign.
[6] In August of the same year, Eastick was appointed a national coach with the FA and took responsibility for the England under-18 side.
[12] Eastick joined UAE Pro-League club Al Jazira in 2015 for a two-year spell as technical director.