Dept. of Agricultural & Bioresources Engineering, University of Nigeria, Nsukka (UNN) 2006 -  date Senior Lecturer

Dept. of Agricultural & Bioresources Engineering, University of Nigeria, Nsukka (UNN) 2003 - 2006 Lecturer 1

Dept. of Agricultural  & Bioresources Engineering, University of Nigeria, Nsukka (UNN) 2000 – 2003 Lecturer II

Dept. of Agricultural & Bioresources Engineering, University of Nigeria, Nsukka (UNN) 1998  - 2000 Graduate Assistant         

State Education Commission, St. Cyprain's Special Science School, Nsukka 1993 - 1998 Physics Tutor

Govt. Sec. School, Roni, Jigawa State 1991 – 1992 National Youth Service

Ministry of Agriculture, Engineering Division, Enugu 1990 Industrial Attachee

Board member, AGE, SEET, Federal Univ. of Tech. Owerri, FUTO 2012-2013 (Sabbatical) 

Acting Head, Department of Agricultural and Bioresources Engineering, University   of Nigeria, Nsukka (2010-2012)

Supervision of undergraduate and post graduate projects (2001- date)

Editorial assistant, Journal of Agricultural Engineering Technology (2004-2011)

Member, CBN-UNN Research Committee on SIMES (2002)

Secretary, Nsukka Branch of Nigerian Society of Engineers (NSE) (2009- date)

Member, SEDI-UNN Technical Collaborative Committee (2010-2011)

Chairman, Faculty of Engineering Auto-mechanic Workshop  (2010-date)

Assistant Secretary, Federated Opi Town Union 1996-2004

National President, Ibeku –Opi  Federated Town Union (2010- 2013)

Board Member SLTTS UNN (2003-2010)

Departmental Exam Officer  (2004-2009)

Departmental SIWES   CO-ORDINATOR  (2004 -2012)

Member Faculty of Engineering  Environmental Committee (2005-2009)

Editorial board member, NIJEOTECH 2001-2015.