Shyam Singh Yadav joined Uttar Pradesh Provincial Civil Services (P.C.S) in 1982 and held the following posts in a long, illustrious career:

• 1983

  Underwent Training at Administrative Training Institute Nainital

• 1984

  Deputy Collector/ S.D.M. Meerut, Sardhana, Mawana, Baghpat

• 1986

  Deputy Collector/ S.D.M. Ballia

• 1987

  Deputy Collector/ S.D.M. Bulandshahar

• 1988

  Deputy Collector/ S.D.M. Muzaffarnagar

• 1991

  Deputy Collector/ S.D.M. Bijnor

• 1991

  City Magistrate, Muzaffarnagar

• 1991

  Joint Secretary, Moradabad Development Authority, Moradabad

• 1992

  City Magistrate, Banda

• 1993

  Officer–on–Special Duty, Ghaziabad Development Authority, Ghaziabad

• 1996

  Additional District Magistrate (Land Acquisition), Meerut

• 1999

  Additional District Magistrate (Land Acquisition), Ghaziabad

• 2001

  Secretary, Hapur-Pilkhuwa Development Authority, Hapur, Ghaziabad

• 2003

  Secretary, Ghaziabad Development Authority, Ghaziabad

• 2005

  Additional Commissioner Gorakhpur

• 2005

  Municipal Commissioner, Agra

• 2009

  Joint Secretary, Sports, Secretariat

• 2011

  Joint Secretary, Civil Defence, Secretariat

• 2012

  Vice-Chairman, Development Authority Muzaffarnagar

• 2014

  Retired as Special Secretary, Government of U.P.