2 years as Manager involved in warehouse operation, Customer and Automotive Service
2 years as Process – Product engineer involved in Moto protector production and automotive harness production
2 years as Technical sales engineer involved in Industrial Non destructive Test equipment and accessories
2 years as Technical sales engineer involved in Automotive Alternators and Starter motors units and spare parts
6 years as Technical sales engineer involved in Domestic Audio, Video and Telephone sets
4 years as Technical service engineer involved in Medicine Electronic Equipment
2 years as Computer system developer and programmer
3 years / 6 semesters as college assignature Professor
1 year as Digital Photogrammetric Restitution Operator