1992/26/Oct – Dec./1996: Teaching-Assistant, University of Khartoum/Republic of Sudan
Jan/1997 – : Lecturer Position (U. of K/Sudan)
1998/May – August /1998 : International Centre for Genetic Engineering and Biotechnology/Italy, Molecular Microbial Genetics/one year pre-doctoral fellowship terminated for PhD Study with DAAD scholarship in Germany).
Oct/1998-March/1999: 6-Months German Language Course at Goethe Institute in cooperation with Bremen Uni./GER with DSH Examination Certificate
1999/April – October/2002: PhD study at Humboldt-University Berlin, as DAAD- Scholarshipholder. PhD degree (sehr Gut) awarded in Oct./25/2002 in (Agric.), Molecular Microbial Genetics/Genetic Engineering/Recombinant DNA Technology. “Investigations on genetic studies on plant-growth-promoting rhizobateria Bacillus amyloliquefaciens FZB strains”
March/2004 – Feb./2006: Humboldt-University/Berlin, Postdoctoral Studies with Alexander von Humboldt Fellowship/Georg-Foster fellowship for technology transfer to the developing countries/Berlin/Germany. Studies in molecular plant-microbes interaction. Gene isolation and characterization in plant-growth-promoting rhizobacteria through mutants construction with gene knockout genetic strategies.
2003/Jan– 2013/April: Assistant professor with different theoretical and practical courses duties and under/graduate students projects supervision.
Nov./24/2008-July/2010: Staff member at Taif University/Kingdom of Saudi Arabia/Faculty of Applied Medical Sciences/Dept. of medical Biotechnology. Besides, teaching joint positions as head of the Medical Biotechnology Department and Dean Deputy at the Faculty of Applied Medical Science for Girls, dealing with academic and administrative girls’ affairs.
Since 2013/April: Associate Professor at department of Botany and Agric Biotechnology/Faculty of Agriculture U of K, with different theoretical and practical courses duties and supervision.
2013/Sept – July/2014: Staff member at King Khalid University, Faculty of Science/teaching different courses (Molecular Biology, Molecular Genetics, Introduction to Genetics, Agric. Economic Crops): I prepared two books as molecular genetics gallery and Agric. Economic crops gallery published at King Khalid University/KSA.
2014/Nov – June/2016: Taibah University: During two academic years : Eight workshops and practices on modern teaching methodology and technologies (PPA) given by foreign experts (American, Canadian and British (Pearson experts), with (awarding) certificates.