- 7 year in the production area at CSN, operator to the technician operation.
- 4 years as Technical/Supervisor Programming of BOF and Continuous Casting of CSN.
- 4 years as an Analyst in the Projects - SAP R / 3 in Companhia Siderúrgica Nacional - CSN in product code areas, variant configuration, non-steel product sales, and users training. SIGAPP design the modules Production and Planning and Quality, working in the registration of products, Programming, master recipes and BOF of production, variants configuration and the "No steel" sales process.
- 1 year as leader of the specification in SIGACISA project - implementation of all existing modules for the branch at CSN Paraná.
-12 year...