Arun Kumar

Arun Kumar

Technology Summary

  • IP COMMUNICATIONS: CUCM (Cisco CallManager), CUCME (Cisco CallManager Express) UCCX (Cisco IPCC Express), UCCE, VoIP Gateways & Gatekeepers, QoS, Rich Media, Unity, Unity Connection, Unity Express, Presence.
  • NETWORKING: LAN/WAN, TCP/IP, Cisco Catalyst Switches (VLAN, Inter VLAN, dot1q, ISL), Cisco Routers(EIGRP, OSPF, BGP, IS-IS, IPv6), Network performance & Troubleshooting, Orion SolarWinds, Accelops, Cisco VPN, VPN Concentrator etc.
  • SECURITY: Cisco PIX & ASA Firewalls, Cisco IPS, Cisco NAC (Clean Access), Radius & TACAS (AAA), Symantec Antivirus, Network security policies, IOS Firewall and many more.
  • Virtualization: OpenVZ, Linux XEN, VMWare ESX, ESXi 3.x, vSphere 4.0 & Microsoft Hyper-V.
  • OS: MS-Windows, Linux & Unix


A proven and experienced voice, networking and security professional with substantial background in project management, team lead, implementation, operational support and maintenance of voice, video and data networks and systems.

    Core Knowledge and Skill Areas:

  • Cisco Unified Communications.   
  • Cisco VoIP. 
  • Open Source VoIP & *Nix Expert.
  • Cisco Routing & Switching.
  • Cisco Network Security.   
  • Highly motivated.
  • Team oriented.
  • Energetic talent.
  • Enthusiasm and creativity