15+ years of experience in Network design, instalattion and administration, Microsoft Server and Client Operating Systems Instalation and administration. 10+ years on Linux instalation and administration, securing and hardening 7 + years on VoIP and TDM, having funded an ITSP Operator, designing all of the datacenter infrastructure, from network to systems, and managed a team of IT specialists supporting operations and costumer relations. Also had responsabilities in operator interconnects, and point of contact for regulator affairs with ANACOM regarding the portuguese telecom market. 7+ years of IPv6 experience, having participated in the Portuguese IPv6 Task Force, among other activities.