Sérgio Mafra is a Data Engineer at Ons - Operador Nacional Do Sistema Eletrico. They possess expertise in itil, business intelligence, oracle, leadership, integration and 33 more skills. They is proficient in French, Spanish and English. Colleagues describe them as "I work with Sergio on my team for 5 years and he is working as an specialist for 3 years. Sergio is a outstanding technical professional and with great ability to act in the exploration and analysis of new technologies, contributing positively on aspects of innovation and feasibility of future scenarios in IT." and "Sérgio é um profissional comprometido e alinhado com os objetivos do negócio. É motivado e entusiasmado com as questões e assuntos de TI. Tem excelente relacionamento interpessoal e domina as diversas disciplinas de TI."