• 2016- up-to-date GIS lecturer in the geoinformatics’ master program at Elneelain University, teaching mainly Web GIS, components, environments and applications with specific reference on OSGEO and OGC standards
• 2016- up-to-date GIS/RS lecturer at the university of Khartoum , Faculty of Surveying Engineering in the geomatics’ master program mainly focusing on digital image processing and advanced GIS applications.
• 2015-2016 GIS/RS lecturer at the university of Khartoum , Faculty of Geography and environmental studies, supported the master program in GIS and RS and supervised 8 students in GIS applications in hydrology, geomorphometry, hydro geomorphology, planning and desertification.
• 2008-2009 , GIS Lecturer at Alzaim Alazhari University , mainly focused on GIS Applications on Engineering Geology for B.Sc candidates.
• 2011- up to date , GIS Specialist UNICEF, SCO, Planning , Monitoring and Evaluation Section.
• FAO   National GIS national consultant(14 days consultancy) , mainly providing the scientific and technical advise concerning data collection, Geographic database construction , GIS analysis and map production. Managed during this period to establish, restructure and reform GIS units supported by FAO in Soba and Shambat including GIS/RS courses design and implementation.
• 2008-2011 LESP Project GIS Consultant ( European Committee ), providing the technical supervision concerning the GIS mission of the European Committee in Sudan, providing the technical supervision , GIS development and upgrading or reforming GIS units including software, hardware and personnel capability.
• Jan 2009 up to date General Manager ,GISVISIONS for geographic information consultancies.(Khartoum).
• August 2009 – July 2011, GIS Consultant, Khartoum State Water Corporation KSWC , .
• July 2006 – August 2009 GIS Manager, Raqeem Co , for services and training, Sudan.
• 1990 – 2006 , Ministry of Education, U.A.E, as a science and environmental teacher, mainly teaching a syllabus of environmental sciences. Awarded during this period a certificate of (BEA), better environment awards from Shell company , ministry of education and the federal environmental agency (U.A.E) .
• 1989 – 1990   ,   in R.A.K   municipality, U.A.E.

Published papers:

• Impacts of soil water rise on orchard fields in Elzaidab Agricultural Schemes, Ad-Dammar Locality, River Nile State, Sudan, Elmahal et al ,. Conference: ARSGISO, At Istanbul, Volume 2:Page 47 International Journal of Geosciences and Geomatics, Vol. 2, Issue 2, 2014,ISSN:2052-5591
• Remote Sensing And GIS Techniques For Quantitative Morphometric Analysis And Change Detection: Case Study, Wadi El-Nugaa’ Watershed, Almatamah Locality, River Nile State, Sudan. Elmahal et al, Page 73                                                                               International Journal of Geosciences and Geomatics, Vol. 3, Issue 1, 2015,ISSN:2052-5591
• Augmentation of vertical accuracy of digital elevation models using Gaussian linear convolution filter,Ahmed Abdalla; Anwar-Elsadat Elmahal,2016 Conference of Basic Sciences and Engineering Studies (SGCAC),Pages: 206 – 210, DOI: 10.1109/SGCAC.2016.7458031     IEEE Conference Publications.
• Spectral Mixture Analysis (SMA) and Change Vector Analysis (CVA) Methods for Monitoring and Mapping Land Degradation/Desertification in Arid and Semiarid Areas (Sudan), Using Landsat Imagery . ABDELRAHIM SALIH
  , El-Tyeb S. Ganawa, Anwar Alsadat Elmahl, Egyptian Journal of Remote Sensing

Papers on progress:

• Applications of GIS/RS techniques in quantifying the conflict between landuse practices and fluvial geomorphic processes in Sharq Elneel locality, Khartoum State, Sudan.
• Detecting changes in the meandering nature of blue Nile river, case study: Blue Nile River , Butri- Khartoum in Gezira and Khartoum States.
• Assessing floods in relationg to landuse practices, Khartoum State.