TECHNICAL SKILLS

• Cisco 3945, 3750, 3925, 2960, ASR1001,2811, 4500 - 6-year experience
• Cisco ISE 2.X, ACS 5.0, AAA, Radius, Tacacs 2 year
• Cisco Firewall ASA 5525, Palo Alto andSonicwall firewalls -5 years
• Routing (RIP,EIGRP,OSPF,BGP) and switching, DHCP, NAT, ACL, VPN- 6 years
• TCP/IP, LAN, Vlans, VTP, Vlan routing, Ip-addressing, CIDR, VLSM
• SolarWinds, Resolve IT, Pinnacle, Footprints, ServiceNow
• Ansible and python, scripting, SQL
• Cisco Unified Communication Manager 9.0/10/11, SRST, CUC, CUP/IM&P
• VoIP (SIP, MGCP, H248), telephony more than 5-year experience
• Experience with Wireshark and debug tools for testing SS7/ ISDN/ SIP/MGCP
• Windows2008/2011 server /XP/7, Linux (Ubuntu, Centos)
• Installation/upgrade of software and troubleshooting

PROFESSIONAL EXPERIENCE

Confidential, Austin Tx

VoIP engineer

Responsibilities:

• Project “Upgrade of Cisco voice servers CUCM, CUC, IMP v10.5 to v11.5“
• Project “Review and modify QoS of the network for voice and video conference “
• MACD of Call routing and Digit manipulations (CSS, Partitions, Route patterns, TP) on CUCM10.5 and v11.5
• Upgrade of CUCM, IM&P Jabber, CUC from v.10.5 to v.11.5
• Upgrade of VMware ESXI5.0 to 6.0, upgrade of UCS firmware, BIOS and drivers
• MACD CUCM, CUC, SRST, SIP/ H323,
• UCCE call flow scripting
• Administration of Cisco Telepresence and videoconference, CMS, TMS, TMSXE, SX20/80, C40, Cisco Expressway-C, E, Jabber, vc endpoints
• Setting up CUBE and SIP trunks for PSTN access
• F5 LTM and GTM setting up rules for new apps/services
• Installation/support/troubleshooting of LAN and WAN based on Cisco routers and switches (routers 2800/2900/3700/3925 , ASR 1001, Cat4500)
• EIGRP, OSPF, Policy based routing, QoS, Vlans
• Troubleshooting SIP, OSPF&EIGRP routing, NAT, ACLs, NAT
• Troubleshooting BGP, modifying BGP attributes for better/preferred path
• Deploying Cisco Catalyst 4510R switches for data and voice
• Working with vendor’s quotes and user’s tickets

Confidential, NYC

VoIP and Network engineer

Responsibilities:

• MACD of Call routing and Digit manipulations (CSS, Partitions, Route patterns, TP) on CUCM10.5 and v11.5
• Upgrade of CUCM, IM&P Jabber, CUC from v.10.5 to v.11.5
• Upgrade of Vmware ESXI5.0 to 6.0, upgrade of UCS firmware, BIOS and drivers
• MACD CUCM, CUC, SRST, SIP/ H323, troubleshooting
• UCCE administration, call flow scripting
• Setting up CUBE and MGCP gateway for PSTN access, PRI, SIP trunks
• Installation/support/troubleshooting of LAN and WAN based on Cisco routers and switches (routers 2800/2900/3700/3925 , ASR 1001, Cat4500)
• EIGRP, OSPF, Policy based routing, QoS, Vlans
• Troubleshooting SIP, OSPF&EIGRP routing, NAT, ACLs, NAT
• Troubleshooting BGP, modifying BGP attributes for better/preferred path
• Deploying Cisco Catalyst 4510R switches for data and voice
• Working with vendor’s quote and user’s tickets

Confidential, NYC

Network administrator

Responsibilities:

• Installation/support/troubleshooting of network based on Cisco routers and switches (routers 1800/2800/2900/3700/3900 , ASR 1001, Cat4500)
• Configured and modified Call routing and digit manipulation (CSS, Partitions, Route patterns, TP) on CUCM9 to reduce size and improve scalability
• MACD CUCM, CUC, SRST, SIP/ H323, troubleshooting
• EIGRP, OSPF, Policy based routing, QoS, Vlans, VPN on IOS and Cisco ASA5525
• MACD rules on Palo Alto firewall
• Troubleshooting EIGRP routing, NAT, ACLs, NAT, Palo Alto firewall
• Deploying Cisco Catalyst 2960 and 3650 switches for data and voice
• AAA Radius/Tacacs setup on Cisco ACS for routers and switches
• Cisco wireless network MACD of Aironet APs
• Troubleshooting dataand voip network
• Open tickets with ISP and Cisco TAC
• Project management, getting competing quotes, ordering equipment and licenses
• Projects: Guest wireless access, backup fiber ring, upgrade of ASA 5525 and routers, BMS installation, move of the users from fl15&10 to 3rd floor with new IT room, move of the users from 49 west to 30 west building

Confidential, Brooklyn

VoIP and network engineer

Responsibilities:

• Developed network architecture to best meet client needs
• Evaluated existing network architecture and recommended improvements.
• Configured and modified Call routing and digit manipulation (CSS, Partitions, Route patterns) on CUCM9 to reduce size and improve scalability
• UCCE administration, call flow scriping
• Installation/support/troubleshooting of network based on Cisco routers and switches ( 1800/2800/2900/3700/3900 series)
• EIGRP, OSPF, MPLS setup,Vlans, VPN on IOS and Cisco ASA
• Deploying Cisco Catalyst 2960 and 3650 switches for data and voice
• Deploying cisco routers 3900, 2600,2800 on remote sites for data and voip net access
• AAA Radius/Tacacs setup on Cisco ACS for routers and Cisco Meraki network
• Cisco Meraki wireless cloud network MACD of APs
• Troubleshooting dataand voip network

Confidential

Network and Voice Infrastructure engineer

Responsibilities:

• Configuring Cisco Catalyst 6509 and 4705, Cisco 2811
• Handled the tasks of developing and maintaining network documentation
• Identified problem areas and provided corrective actions.
• Troubleshooting voice and network
• On-site installation/replacement network components, software repair, diagnostic testing

Confidential

Network Engineer

Responsibilities:

• Handled the task of maintaining LAN and WAN infrastructure of the clients
• Responsible for implementing network related projects as well as configuring and maintaining various network devices
• Network setup (Cisco routers 800/2800/3600 , Sonicwall, Catalyst switches 4500/2960, Cisco ASA 5505, Checkpoint, IpsecVPN )
• Windows Server, AD 2011/2008 installation, backup/restore DB, VmwareEsxi/Hyper-V
• Move/add/change/delete on CUCM 8.0, VoIP IP Office 500
• Installation of Avaya digital and SIP phones (9608/9640/9611)
• Configuring extensions, PRI and SIP trunk
• Trace voip calls, capture and analyze voip packets
• Wireless network setup (Ruckus APs & Zone Director)