SUMMARY

• Cisco Certified Network Professional with around 6 years of experience in routing, switching, system design, VOIP, implementation and troubleshooting of complex network systems.
• Expertise in analysis, optimization, troubleshooting and documentation of LAN/WAN networking systems.
• Experienced in installing, configuring, and troubleshooting of Cisco 7600, 7200,3800, 3600, 2800, 2600, 2500 and 1800 series Routers, Cisco Catalyst 6500, 4500, 3560, 3750, 2960 series, Nexus 7000, 5000 and 2000 switches .
• Extensive Experience in Setting up of Cisco CME/CUE, CUCM, CUP & CUC using both CLI and CCP GUI.
• Experienced in handling and setting up of CUCM 5.x, 6.x, 7.x & 8.x which included installing, configuring and troubleshooting.
• Worked on network topologies and configurations dealing with TCP/IP, UDP, Frame Relay, bridges, routers, hubs and Switches.
• Extensive experience in configuring and troubleshooting of routing protocols RIP v1/v2, EIGRP, OSPF and BGP.
• Switching tasks include VTP, ISL/ 802.1Q, VLAN, Ether Channel, STP, RSTP and PVST+.
• Well versed in configuring protocols HSRP, GLBP, VRRP, ICMP, PPP, HDLC, PAP, CHAP, and SNMP.
• Implemented traffic filters using Standard and Extended access - lists, Distribute-Lists, and Route Maps.
• Experience in installing and configuring DNS, DHCP server.
• Experienced in testing Cisco routers and switches in laboratory scenarios and then deploy them on site for production.
• Ability to create test plans, execute and automate test cases.
• Ability to perform system testing, bug tracking and report generation.
• Experience in preparing System Test Specifications analysis, Testing Methodology, Test plan & Test Cases, Test Summary Report and Checklist formulation.
• In depth understanding of IPV4, implementation of Subnetting, VLSM, ARP, reverse & proxy ARP, Ping concepts,
• In depth understanding and Lab environment working of BIG IP-F5 load balancer.
• In-depth Understanding of IP Telephony- Cisco Unified Communication Manager designing and Operation in Lab environment.
• Provides technical leadership forproblem escalation and resolution.
• Highly motivated with the ability to work independently or as an integral part of a team and Committed to highest levels of professional.
• Hands on experience on Up-gradation of Cisco IOS & Firmware of different Cisco devices & modules.

TECHNICAL SKILLS

Operating Systems: Windows (98, ME, 2000, XP, Vista, Windows 7), Basic Linux

Routers: Cisco 1800, 2500, 2600, 2800, 3600, 3800, 7200 and 7600 and Juniper J2300 series

Switches: Cisco Cat 2960, 3550,3560,3750,4500, 6500(Sup 1,2, 32 and 720 ) and nexus 7000, 5000, 2000 series and Juniper EX3200 series.

Routing: OSPF, EIGRP, BGP, RIP v1/v2, PBR, Route Filtering, Redistribution, Summarization, and Static Routing.

Switching: LAN, VTP, STP, PVST+, RPVST+, Inter VLAN routing & Multi-Layer Switch, Multicast OperationsLayer 3 Switches, Ether channels, Transparent Bridging.

LAN: Ethernet (IEEE 802.3), Fast Ethernet, Gigabit Ethernet.

WAN: PPP, HDLC, Channelized links (E1/T1/E3/T3), Frame Relay.

Gateway Redundancy: HSRP, GLBP,VRRP.

Various Features & Services: IOS and Features, NAT, SNMP, NTP, DHCP, CDP, TFTP and FTP

VOIP: CME, CUCM .

Network Management: Wireshark, SNMP, HP open view, Ethereal.

Reports: Microsoft (Visio pro.).

PROFESSIONAL EXPERIENCE

Confidential, New York, NYC

Sr Network Administrator

Responsibilities:

• Network Support for trading floors of the back which included working on CUCM, CUC, CUP and network round the clock.
• Configuration of Cisco 7600, 7200 and 3800 Routers and 6500( SUP 720, 32, 1 & 2 ), 3750, L2 2960 and Nexus 7000, 5000, 2000 switches.
• Office reallocation activities, process.
• Adding new phones to CUCM using different Methods through auto-registration, manually and using BAT as well as securing IP phones.
• Worked On LDAP Integration in lab environment along with bulk administration with BAT relating to supporting end users and there privileges.
• Worked for a brief period with CORE VOICE team related to Route planning, groups, list and patterns, Integrating CUC and CUCM and CUC call processing.
• Worked in lab environment on CUPS Communication and configuration.
• Implemented COR lists and Reconstructing PSTN Dial peers
• Worked with teams on troubleshooting registration issues and dial-plan issues.
• Configuration of routing protocols OSPF, BGP, MPLS.
• Worked with teams on migration from Pix Firewall to Checkpoint firewall.
• Configuration of VLAN, trunks, Port-channels, STP, Port-security, authentication dot1x.
• Configuration of test setup environment, testing the setup, documenting the results.
• Configuration of L2tpV3 tunneling protocols
• Preparation of complete hand over support documents.
• Communication with WAN link service providers like AT & T and Verizon etc..
• Complete Process oriented activity environment
• QIP IP management tool
• Developed and deployed enterprise QoS policy on routers and switches -
• Applied service policy configuration on Routers at edge to MPLS Cloud to mark and priority queue voice traffic over all other classes.
• Responsible for up linking testing of Juniper Routers J2300, and EX 3200 switches which included security Testing too.
• Configured L2/L3 switching QoS at all layers of network topology (core, access, distribution)
• Worked with carrier to order appropriate QoS product for enterprise.
• Configure IOS Firewall Security ACLs (protect against IP Spoofing RFC 1918/2827/IDS inspect rules, audit trail, alerts, and CBAC global timeouts on Internet router), CISCO PIX Firewall 506,515& 525.
• Enabled banner security messages and applied router threat mitigation - Disable exploited router services: BOOTP, CDP, Auto-config, DNS, etc.
• Configure SNMP/VTP/EIGRP/BGP protocol authentication where needed, and log neighbor changes.
• Configure CLI on all IOS Devices to use RADIUS Authentication for login.
• Provided deliverables on all changes made, QoS Policy, security assessment document, current network diagram in Visio, recommendations applying best practices for configuration management and SNMP/Syslog monitoring solutions, and IOS CLI snippet guides to utilize for additions or changes needed in the future.

Confidential, Somerset, NJ

Network Engineer

Responsibilities:

• Migration of RIP V2 & EIGRP to OSPF, BGP routing protocols.
• Configured BGP, Pix & Checkpoint firewall, F5 load balancers & Voice/IP Telephony for Lab Environment.
• Implemented CUCM, CME/CUE, CUP and CUC communicating with the core teams.
• Implemented COR lists and Reconstructing PSTN Dial peers
• Worked with teams on troubleshooting registration issues and dial-plan.
• Monitoring of Customer Voice Portal provides the capability for customers and partners to create their own custom plug-in.
• Implemented ISL and 802.1Q for communicating through VTP.
• Working with Client teams to find out requirements for their Network Requirements.
• Designing solutions for frozen requirements using Cisco Routers and Switches.
• Deploying the network infrastructure to meet the requirements
• Created VLAN and Inter-Vlan routing with Multilayer Switching.
• Providing technical consultancy for better application response using QoS
• Monitor performance of network and servers to identify potential problems and bottleneck.
• Performed RIP, OSPF, BGP EIGRP routing protocol administration.
• Installed wireless access points (WAP) at various locations in the company.
• Maintained redundancy on Cisco 2600, 2800 and 3600 router with HSRP.
• Implemented NAT (Network Address Translation) & PAT (Port Address Translation) to share public address..
• Provided technical support on hardware and software related issues to remote production sites.

Confidential 

Responsibilities:

• Installation, Configuration & rack management of CISCO Routers 2600/2800/3600 Series, CISCO Switches 2950/3500 Series.
• Configured EIGRP for Lab Environment.
• Implemented ISL and 802.1Q for communicating through VTP.
• Converted LAN from one flat scope of 65+ nodes to Multi-VLAN network. Segmented traffic into different classification using access control list (ACL)
• Upgraded Switches from STP to RSTP as per Companies policies.
• Implemented Layer 2 security policies to mitigate attacks by hard coding access port, Port-security violation policies, configuring all unused port in Black hole VLAN.
• Created VLAN and Inter-Vlan routing with Multilayer Switching.
• Configured Frame-relay tunnel for layer 2 connectivity between main branch and new branch.
• Implemented NAT (Network Address Translation) & PAT (Port Address Translation) to share public address.
• Defined IP subnetting for a valid range of network addresses.
• Configured Cisco IOS backup, uploading & downloading IOS using TFTP server.
• Administered day-to-day activities like resource allocation, creating and giving permission to users and uploading user data into FTP.