August, 2013 – up to now:

Associate Prof. by contract after retirement, Dept. of Agric. Eng.,Faculty of                    Agriculture, University of Khartoum, Sudan.

Jan. 1997 – July 2013:

Associate Prof. , Dept. of Agric. Eng.,College of Agric. & Food Sciences, king                              Faisal Univ.,saudi Arabia.

Jan. 2002:

Date of retirement from work at University of Khartoum

January, 1993 – Dec. 1996 :

Assistant Professor, Dept. of Agricultural Engineering, Faculty of Agriculture,       University of Khartoum, Sudan.

October, 1987 – January, 1993:

Assistant Professor, Dept. of Agricultural Engineering, Faculty of Engineering and            Arch., University of Khartoum, Sudan.

August, 1984 – October, 1987

Assistant Professor, Dept. of Agricultural Engineering, Faculty of Agriculture,       University of Khartoum, Sudan.

August, 1980 – July, 1984

Senior scholar on study for Ph.D. Degree in Kansas State University, Manhattan, Kansas66506, U.S.A – Major Advisors Professor D. S. Chung and Professor P.          A. Seib.

August, 1977 – December, 1979

Senior scholar on study for M. Sc. Degree in Purdue University, West Lafayette,   Indiana 47907, U.S.A – Major Advisor Professor G. H. Foster.

January, 1975 – August, 1977

Teaching Assistant, Dept. of Agricultural Engineering, Faculty of Agriculture,       University of Khartoum, Sudan. Description of Work: Teaching of all Practical         course work in the Department of Agricultural Engineering.

September, 1974 – January, 1975

Agricultural Engineer, Ministry of Agriculture, Sudan.