| 2019 (3 months) | CSD.ch, Lausanne Building Technique department: 3D modeling of buildings with Revit. I also worked with Revizto, Navisworks, BIM360, Solibri. |
| 2014-still | Geneva, Hydro Engineers (https://hagoscon.com): Hydrological studies and Civil engineering, independent researcher, |
| 2014-2014(3 months) | Canton Geneva, SECOE – dynamic sector for water and meteorology. Studying and evaluating the hydrology of the “L’Aire” river and the infrastructures along the river. Temporary post. link, |
| 2008-2011 | University of Fribourg, Switzerland: Scientific collaborator (Doctorat): Research in hydrology, geomatics, and GIS, worked with software such as GIS, Geomatica, and IDRISI, |
| 2005-2007 | South Africa, Central University of Technology (CUT): Research collaborator, Small-scale Rain Water Harvesting Technology, |
| 2004-2005 | South Africa, University of Kwazulu-Natal, Collaborator and researcher: Département of hydrology, worked in the area of hydrological modeling and engineering hydrology, |
| 2000-2002 | Eritrean Gov., Construction Engineer: Supervision of ground plus one building complex, built on an area of 124 square meters of land, including concrete mix control as well as guiding reinforcement bar placement and management of construction material, |
| 1997-2000 | Eritrea, Ministry of Agriculture Design section : Surface irrigation system design and construction such as Chute, drop structures, culverts, primary, secondary and tertiary canals. Design and construction of small scale earth dam and reservoirs, |
| 1996-1997 | Ethiopia, Sustainable Agriculture and Environmental Rehabilitation Commission in Tigray Region (SAERT): Irrigation infrastructure construction such as drop structures and earthen canals. Supervision of small scale earth and rockfill dam construction, and |
| 1995-1996 | Internship, (Graduation Year) the University of Arbaminch, formerly called Arbaminch Water Technology Institute, Arbaminch (Éthiopia): a longitudinal and cross-sectional survey of kulfo river. |