He became involved with FC Kaliakra Kavarna's team, there he started as assistant to Velislav Vutsov, who led him to the greatest success in his history: the semi-final of the Bulgarian Cup in the 2007-2008 season .

At the beginning of the 2009-2010 season he was offered a job at PFC Levski Sofia as assistant to Georgi Ivanov.

Later he worked again with Ivanov as his assistant in Lewski for several months, and since December 2011 he has been coaching POFC Botev Vratsa.

On 19 March 2014, while coaching Levski Sofia quit after defeat by Botev Plovdiv in the quarter-finals of the Bulgarian Cup.

[2] On 9 June 2018 he left the U21 national team to join Ludogorets Razgrad as an assistant to the new general manager Paulo Autuori.

Zdravkov became the head coach of the team from Razgrad after Autuori stepped down in October 2018, but in early March 2019 (following a string of disappointing results in the league) he was succeeded by Stoycho Stoev.

[4] On 7 April 2013, while coaching Botev Vratsa in a match against CSKA Sofia, Zdravkov attracted controversy after he contested a refereeing decision in an unconventional way - by showing a red card to the match official and attempting to tear the referee's cards.