1981-1983:- AL-HOTY-STANGER-LTD, AL-KHOBAR SAUDI ARABIA as LAB TECHNICIAN (Independent Testing Laboratories and Material Consultants). Nature of performance: Independent testing of all materials such as soil, concrete and asphalt (ASTM & BS).
1983-1984:-AWAL ASPHALT, MANAMA, BAHRAIN As lab in charge. Nature of performance: All classifications of Aggregates and Asphalt (ASTM)
1985-2008:-Kerala PWD (National Highways, Quality Control Wing) Kollam division as Quality Control Overseer.
2014-2018:- Cheriyan Varkey Construction Company, Kollam Bypass Project as Senior Lab Technician