I have over 12 years of experience in Networking/Voice and familiar with the IT management models of large companies.During these years I have gathered excellent working knowledge of networking and voice technologies. Possessing effective organizational skills and determination needed to resolve complex networking issues. Operations and maintenance: Routers, Switches, Firewalls and IPT on Cisco platform and Microsoft Voice products like Skype for Business and MS Teams.KEY SKILLS：- Excellent knowledge of VoIP, H.323 and SIP protocols- Practical knowledge of Cisco CUCM, MS Teams/Skype for Business/Lync, Avaya- Advance understanding in protocols (EIGRP, OSPF, BGP, DHCP, DNS, QOS, VLAN, ACL, SNMP, etc...)- Practical knowledge of IPSEC, VPN, STP, VLAN- Excellent understanding TCP/IP protocol- Solid knowledge Cisco products- Have a good technical network background- Knowledge of ITIL incident, problem & change management- Experience in Operation & Crisis(P1,P2) incident management and great problem-solving skills.- Understanding Linux OS, Windows Server OS, ESXI Server.- Able and willing to work flexible hours when necessaryPROFESSIONALCisco Certified Internetwork Expert Routing&Switch (CCIE#20709) 2008.5Cisco Certified Internetwork Expert Voice (CCIE#20709)
