15+ Years experience in network/systems administration. Design, setup, troubleshoot several ISPs with 10K+ of users. Cisco Systems (BGP, OSPF, MPLS, STP etc), xDSL equipment (Zhone, ZTE, Huawei,Zyxel etc) ,Linux OS (Apache, Bind, Mail Services, Mysql, Firewall etc), Microwave (Nera, Ceragon, SAF, NEC, UBNT etc), Optical Fttx (ZTE, Huawei etc), Mikrotik (PPPoE, Radius, OSPF, Mpls, Wireless), Power Suplies systems (Gamatronic, Emerson), VoIP (Asterisk, Elastix, SS7, PRI, GSM)