Career
His football career was based on his time playing for Football Club Brașov after his debut at the local hometown team of Tractorul Brașov. He played 149 matches in Liga I, scoring seven goals. He played eight times in the, four games each with Rapid București and Football Club Brașov, in 2000-2001 and 2001-2002 seasons, scoring a goal in the competition for Brașov.
He began his coaching career in 2006 at second league club Football Club Săcele.
He then joined the technical staff of Răzvan Lucescu, becoming his assistant at Football Club Brașov. From July 2010 he was in numerous occasions the head coach of Football Club Brașov, overseen by technical director Daniel Oprea, Isăilă not having the Public Relations Officer License coach certificate yet.
In November 2011, Isăilă signed a contract for four seasons with Sportul Studențesc. The club relegated under his command.
In August 2012, he moved to second division club FCM Târgu Mureș, where he received a contract for a season with the main objective being promotion in Liga I. He resigned in the middle of the season, because the team was far from reaching the target, being only 5th after 16 games.
In April 2013, he became head coach and wrote the history of Liga I team After the best performance of in championship, (2nd place) he qualified team in Europa League Group for the first time, winning against Olympic Lyon in a fantastic double match which will remain in the history of Astra. In October 2014, he had fight with owner who put him out of the team
Actually he"s the second coach of Romanian National Team.
As of 18 January 2016 Manager.