SUMMARY

• Network Engineer with 7 years of experience in the industry, which includes expertise in the areas of Routing and Switching.
• Expert level knowledge of troubleshooting, implementing, optimizing and testing of static and dynamic routing protocols such as EIGRP, OSPF, BGP ability to interpret and resolve complex route table problems.
• Cisco Unified Communications Manager (CUCM) 7.X, 8.X, 9.X,10.X, 11.X
• Working Experience with CUCM Session Management Edition.
• Monitored internal control systems to ensure that appropriate access levels were maintained.
• Recommended, implemented and monitored policies and procedures for appropriate network security Incident Response.
• Implementation traffic filters on Cisco routes using Standard and extended Access list.
• Expert Level Knowledge about TCP/IP and OSI models.
• Capacity planning for DOCSIS network
• In - depth expertise in the analysis, implementation, troubleshooting & documentation of LAN/WAN architecture and good experience on IP services.
• In-depth knowledge and hands-on experience on IP Addressing, Sub netting, VLSM and ARP, reverse & proxy ARP, Ping Concepts.
• Knowledge of implementing and troubleshooting complex layer 2 technologies such as MOPS, MSIT, VLAN Trunks, HDLC, STP, and RSTP.
• Experienced in installation and configuration of CUCM, CUC Applications on B-Series Servers via VCenter, DHCP/NTP/DNS Server, Phone Registrations, Call Routing, Voice Gateway, Media Resources. Mobility.
• Experience in configuring HSRP and redistribution between routing protocols &troubleshooting them.
• Completed various Transformation projects on Datacenter consolidation, Server Migration, Cloud implementation and Virtualization.
• Technical Knowledge on Cisco ASA 5500 series Routers and Cisco Call Manager.
• Knowledge onAlcatel, Omniswitch, Omnistack 4000 series,Cisco Nexus 5k and 7k Switches.
• Excellent communication skills to interact with team members and support personnel and also can act as a mentor to less experienced personnel.
• Skilled in installation, configuration of Cisco Call Manager CUCM, IP Phones, Cisco Unity connection, CUBE, SRST, SIP, H.323, MGCP & robust support for Cisco Endpoints in Enterprise UC environments
• Technical understanding of wireless standards.
• Implemented traffic filters using Standard and Extended access-lists, Distribute-Lists, Prefix-List and Route Maps.
• Implementation of DHCP, DNS,FTE, FTP, TFTP.
• Experience of routing protocols like EIGRP, RIP, OSPF and BGP.
• Extensive hand on experience with complex routed LAN networks, CISCO Routers and Switches.
• Experience in the setup of Access-lists, RIP, EIGRP and tunnel installations.
• Proficiency in configuration of VLAN setup on various CISCO Routers and Switches.
• Excellent qualities such as Teamwork, Negotiation, Analysis and Communication.

TECHNICAL SKILLS

Networking Technologies: LAN/WAN Architecture, TCP/IP, Frame Relay, VPN, VLAN, VTP, NAT, PAT, STP, RSTP, PVST, MSTP

Networking Hardware: Cisco Switches, Aruba wireless controllers, Cisco Routers, ASA/Pix firewalls, VMware, IronPort, HP switches

Routing Protocols: OSPF, IGRP, EIGRP, RIP, MPLS, IS-IS, BGP, Multicasting

Security Technologies: PAP, CHAP, Cisco PIX, Blue Coat

Network Monitoring: Cisco Works 2000, Wire Shark, HRPing

Operating Systems: Windows 7, Vista, XP, 2000, LINUX, Cisco IOS, IOS XR

Routers: CISCO 2600, 2800,3600,3800,7200, Juniper M & T Series, Cisco CRS-1, CRS -3, GSR

Switches: CISCO 2900, 3500,4500,5000,6500, Nexus 7k,5k,2k

Programming Languages: C, C++, SQL

Simulation Tool: Qualnet Developer, OPNET IT GURU, OPNET Modelar, Cadence

Firewalls: juniper net screen(500/5200), Juniper SRX (650/3600), Pix(525/535), ASA (5520/5550/5580 ), McAfee Web Gateway

AAA Architecture: TACACS+, RADIUS, Cisco ACS

Features & Services: IOS and Features, HSRP, GLBP,IPAM IRDP, NAT, SNMP, SYSLOG, NTP, DHCP, CDP, DNS, TFTP and FTP Management, Open Stack, IVR’s, HLD and LLD documents, Dell equal logics

PROFESSIONAL EXPERIENCE

Confidential, Jacksonville, FL

Sr.Network Engineer

Responsibilities:

• Managed wireless access points across various business sites using centralized solutions including WCS 5500 and 4400.
• Worked on all versions of Avaya Systems and Cisco Communications Manager (CUCM) and Unity Connection for my customers. This ranged from 7.x through to the most current versions of CUCM/UConn.
• I am responsible for all trouble tickets that come from the Avaya CMS based call center. Deployed IP telephony setup for 200 Business Locations with centralized call processing using CUCM 9.1.2 and UC 8.5.
• Worked with CUCM Session Management Edition.
• Capacity planning for DOCSIS network
• Support for enterprise environment with distributed call processing.
• Deployment and administration of Cisco Collaboration endpoints including 7900 series, 8400, 8300, 8500, 8600, 8900 series and DX-650 Desktop phone, Jabber.
• Installed and troubleshoot cisco call manager voicemail 7.0, 8.2 and unity 7.0,8.
• Debugged and fixed the problems caused by codec mismatch between vendors in a large network consisting of multiple LANs and WANs environment.
• Designed, operations, management and evaluation of complex voice over IP systems for lab environment.
• Troubleshoot IPT from end to end; including IPT voice quality issues between and within locations.
• Configured and installed VOIP devices and IP Phones such as 7940, 7942, 7960, 7961, 7971G-Ge, 7975G IP phones of 7900 series.
• Involved in Configuring and implementing of Composite Network models consists of Cisco 3900 and 2900 series routers and Cisco 2960, 3850, 4500, 4900, 6500; Cisco Nexus 2k/5k/7k. Series switches also Catalyst 6500, 4500, 3850, 3560.
• Deployed various Cisco Unified manager servers and call managers.
• Install, configure and troubleshoot issues related to Cisco Voice Gateways ( 3945, s),(CUBE, s) Border Elements, (CUSP, s)SIP Proxies, CVP, ICM, VXML gateways and Cisco Communication Manager (7.X-10.X)
• Provided support and troubleshooting for Layer2/Layer3 issues.
• Migration from old Cisco switches such as catalyst switches to nexus Path Fabric s witches such as 5k and 6k.
• Worked on switch related tasks including VLAN, VTP, STP,InterVLAN Routing, Switchports( Access and Trunks), Gigabit Ethernet and Etherchannels.
• Cisco ASA/Checkpoint Firewall troubleshooting and policy change requests for new IP segments that either come on line or that may have been altered during various planned network changes on the network.
• Actively participate in the planning, design, and implementation and troubleshooting of
• Unified Communication systems, infrastructure and UCCE/ICM environment
• Migration of routers/Switches from telnet to SSH and created secure access using ACI.
• Configure Site to Site VPN between various locations, Active Directory (AD) administration including Group Policy administration
• SIP Activation and troubleshoot complex codec/routing issues between our CUBE-SP and CUCM
• Designed and Implemented network design using TCP/IP.
• Implemented prefix-list for filtering route advertisements in OSPF and BGP.
• Designed and installed new Branch network Systems.
• Involved the implementation, and support of VOIP technologies.
• Well-versed in implementation, design, troubleshooting of Cisco Unified Contact Center Enterprise, Cisco Unified Call Manager, Cisco Unity & Unity Connection, Cisco Unified Communication Applications (CUCM, UCCX, UCCE, etc.) and Voice (MGCP, H323, SIP) Gateways.
• Four years of experience in Cisco Unified Communication Manager (CUCM), Call Manager Express (CME), Cisco Unity Connection (CUC), Unified Contact Center Express (UCCX), Unified Contact Center Enterprise (UCCE), IM and Presence, SRST and Voice Gateways.
• SIP proxy/routing & registrations and TCP/IP Network with Centralized Routing Policies.
• Configured Cisco QOS features like Classification, Congestion Management, Policing and Shaping and Cisco Jabber
• Configured tie-lines between Nortel PBX and Cisco Voice Gateways as an interim step during migrations.
• Configured Modular QOS which includes Class Map and Service- Policy.
• Troubleshooting clients IPT network. Configuring IPT devices as per client's requirements.
• Setup complete monitoring of voice infrastructure including voice gateways, call manager servers, IP phones, IP trunks, equipment health and utilization etc. using Cisco Works via SNMP.
• Integrated the Cisco Unified Wireless IP Phones (792X series) with Cisco Unified Communications Manager and Cisco Unified Communications Manager Express using IEEE 802.11 over a Cisco access point.
• Processed all new, change, and disconnect request orders for multiple circuit and signaling types, Including DS0, DS3, OC3, supporting services such as VoIP, Managed Modem, SSD.
• Provide support for incident tickets and determine point of failure and resolve remotely.
• Resolved high, medium and low priority tickets in timely manner by utilizing incident management tools like GWI.

Confidential, Redding, CA

Sr.Network Engineer

Responsibilities:

• Involved in building network topology according to client requirement and verification of network topology.
• Deployed IP telephony setup for multisite campus with centralized call processing using CUCM 8.5 and CUCM 8.6.2, UCCX 8.5 and UC 8.6.2.
• Designed, operations, management and evaluation of complex voice over IP systems for lab.
• Deployed CUCM 7.1.3/8.0/8.5/8.6 at multiple customer sites.
• Maintained, corrected, and updated skill sets of the Engineers on the CUCM 7.x/8.x and Unity/UConn 5.x/6.x/7.x/8.x platforms.
• Configured and managed Avaya call manager and Cisco Unified Communication Manager (CUCM 8.6.2), Cisco Unified Contact Center (UCCX 10.0) and Unity Connections (CUC 9.1), Cisco IM & Presence 9.1.2 and Jabber.
• Working Experience with CUCM Session Management Edition.
• Cisco Unified Communications Manager 8.5 /Cisco Unity (voicemail) Connection 8.x /9.x/10.x versions
• Implementation, design and turn-up of Avaya S8710 with twenty-two port networks and 20,000 end users using communication manager 4.1.
• Handled SRST, Voice Routing Protocols and Voice Gateways.
• Created an enterprise dial plan with Route partitions, Calling Search Spaces, Line Groups, Route lists and Route Patterns in Cisco Call Manager and created VLANs and necessary configuration.
• Configured and installed VOIP devices and IP Phones such as 8945, 8851, 8841, 7841, 7942, 7960, 7961, 7971G-Ge, 7975G.
• Configured and installed various network devices and services (e.g., routers, switches, firewalls, load balancers, VPN, QOS.
• Worked on Capacity planning for DOCSIS network
• Develop and implement the technical architecture and physical design of the network supporting the Unified Communications
• Configured networks using routing protocols such as RIP, OSPF and BGP.
• Implementing traffic engineering on top of an existing Multiprotocol Label Switching (MPLS) network using Frame Relay and Open Shortest Path First (OSPF). Implemented various OSPF scenarios on networks consisting of 7600 routers.
• Created an entire Test and Development cluster consisting of a UCM Call Manger, Unity Voice Mail, CUPS Jabber server, and a UCCX server for testing and development.
• Also involved in Configuration of Nexus 7010 including NX-OS Virtual Port Channels, Nexus port profiles, Nexus Version 4.2 and 5.0, Nexus VPC peer links.
• Upgraded IOS on various Cisco Routers like 3945 and 2911 as well as switches like 3750, 4500 and 6500.
• Assisted and Supported Active Directory migrations from multi forest/Multi domains
• Working with customers to ensure satisfaction and training exceeds customer expectation
• VOIP troubleshooting including SIP messaging and log analysis including Genesys Tserver logs
• Experience with network infrastructure running QoS, SIP, H.323 and video conferencing protocols.
• Work on different networking concepts and routing protocols like OSPF and other LAN/WAN technologies.
• Working technical knowledge of Avaya PBX, voice mail, interactive voice services, call management systems, and telecommunications accounting systems
• Knowledge of the configuration and optimization of telecommunications equipment, video teleconferencing equipment, and voice/data equipment
• In-depth expertise in the implementation, optimization, troubleshooting and documentation of LAN/WAN networking systems.
• Day-to-day work involves changes on the Checkpoint Firewall using the Smart Dashboard NGX R77 software.
• Expert & troubleshooting in network devices, VoIP Devices, SIP ATA & Gateways, VPS
• VoIP Switch/Cisco Jabber / VOS3000 / Asterisk base customized switch operations
• Proficient replaced 6500 from access layer and Installed 3750s Switches.
• Racking and Stacking of Cisco 3750 Switches.
• Installed PVDM, Network module, VWIC card, secondary power supplies and additional memory to 3900 series routers.
• Installed Supervisor Engine, Secondary power supply and different line cards like WS-X4624-SFP-E, WS-X4748-RJ45-E to 4500 and 6500 series switches.
• Troubleshoot IP phones and register with the phone with right mac address, PRIs, Voice Gateways, Route Patterns, BAT, SRST Call Manager Fallback and other features.
• Co-ordinate with the Data Network and Security team and come up with possible solutions.

Confidential, Sevierville, TN

Network Engineer

Responsibilities:

• Involved in Configuring and implementing of Composite Network models consists of Cisco7600, 7200, 3800 series routers and Cisco 2950, 3500, 5000, 6500 Series switches. Also worked with ASR 1K and 7K.
• Configured networks using routing protocols such as RIP, OSPF, BGP and manipulated routing updates using route-map, distribute list and administrative distance for on-demand Infrastructure.
• Configured OSPF redistribution and authentication with type 3 LSA filtering and to prevent LSA flooding.
• Configured OSPF over frame relay networks for NBMA and point to multipoint strategies.
• Implementing traffic engineering on top of an existing Multiprotocol Label Switching (MPLS) network using Frame Relay and Open Shortest Path First (OSPF).
• Provided redundancy in a multi homed Border Gateway Protocol (BGP) network by tunings AS-path.
• Implemented Hot Standby Router Protocol (HSRP) by tunning parameters like preemption.
• Implemented various OSPF scenarios on networks consisting of 7600 routers.
• Configured policy based routing for BGP for complex network systems.
• Configured Multiprotocol Label Switching (MPLS) VPN with Routing Information Protocol (RIP) on the customer’s Site.
• Tuned BGP internal and external peers with manipulation of attributes such as metric, origin and local Preference.
• Cisco Secure Access Control Server (ACS) for Windows to authenticate users that connects to a VPN 3000 Concentrator.
• Worked on FTP, HTTP, DNS, DHCP servers in windows server-client environment with resource allocation to desired Virtual LANs of network.
• Responsible for day to day management of Cisco Devices, IOS, Traffic management and monitoring.
• Also involved in designing and implementing IP MPLS network.
• Involved in provide higher technical support to NOC and other operation teams regards to IP/MPLS infrastructure.
• Helped team members in configuration of Juniper 4350, 6350, and 2320 routers as well as EX 2200, 4200, 6200 and 8200 switches.
• Member of Network testing team. Also worked with Qos.
• Responsible for Manual testing, reporting defects and working closely with development in narrowing down issues.
• Worked with automation tools and different methods according to requirement. Also worked with IXIA test. Also used different tools like ANUE and JDSU.
• Developed the necessary libraries for the different to run different Network test.
• Responsible to run different kind of Network test. This includes MPLS, BGP, SNMP, and Firewall. Also worked with testing with traffic generator.
• Responsible for the configuration, implementation and operation of Cisco 3745 routers Cisco 6509 and 3560 L2/L3 switches.
• Removed Cisco 3600 and 2600 series routers and Cisco 2900 series switches from the current infrastructure and replaced them with the Cisco 6509 or 3560 L2/L3 switches.
• Configured RSTP, MST and used VTP with 802.1q trunk encapsulation. Provided port binding and port security wherever required. Provided router redundancy through HSRP.
• Configured ether channels using PAgP and LACP.
• Designed ACLs, VLANs, troubleshooting IP addressing issues and taking back up of the configurations on switches and routers.
• Provided testing for network connectivity before and after install/upgrade.
• Switching related tasks included implementing VLANS and configuring ISL trunk on Fast-Ethernet and Gigabit Ethernet channel between switches.

Confidential, Iselin, NJ

Network Engineer

Responsibilities:

• Installation, Configuration and support of Checkpoint Security Gateways and Cisco ASA Firewalls
• Firewall Policy provisioning and Administration support of Checkpoint Security Gateways and Cisco ASA and Juniper firewalls.
• Work on day-to-day firewall change requests (use HP Service Manager ticketing system).
• Understand the user requirements and convert them into firewall change requests, schedule them for provisioning during approved change window.
• Support access list, NAT and routing on firewalls. Work with users to identify firewall ports required and provision them through the change management system.
• Troubleshooting end user connectivity issues through the firewalls and network.
• Configure and test Active/Standby Failover on Checkpoint Security Gateways, Cisco PIX and ASA Firewalls.
• Perform IOS upgrades during scheduled maintenance window.
• VLAN design and implementation, Spanning Tree Implementation and support using PVST, R-PVST. Trunking and port channels creation.
• IPsec VPN Implementation and Troubleshooting between various 3rd parties and remote locations. These tunnels were built on Checkpoint Security Gateways
• Day to day to changes on the 3rd party infrastructure involving Checkpoint Security Gateways VPN appliances
• Key functions include Configuring and maintaining services, Access control lists, System Access, Authentication, and Authorization(AAA), Key Security tools installed, Auditing and reporting by Log reviews.
• Monitor the firewall security logs for the critical alerts or intrusions and fix the security holes in the network.
• Primarily responsible for proactive, incident and problem management.
• Layer 2 and Layer 3 support using Cisco 3600/2600/2500 routers and 4500/3500/2900 Switches
• Built IPsec based Site-to-Site VPN tunnels between various client locations.
• Debugging abilities at lower levels of OSI layer (Switching, Network and Transport Layer).
• Ether Channel, LACP configuration and troubleshooting.
• Troubleshooting Active Directory, DNS, and DHCP related issues.
• BGP implementation with testing of Failovers at various layers of network on regular basis.
• Run Compliance reports for audit and go through the firewall remediation procedures.
• Schedule and participate in weekly meetings with various teams involved in the project to discuss the bottlenecks if any and contribute to design a solution framework. Maintain Configuration, Documentation (VISIO’s) and Records Management

Environment: Cisco Routers, Cisco Switches, Checkpoint, Cisco PIX, ASA Firewalls, Juniper Firewalls, VPN, PVST, R-PVST, VLAN, IPsec, MS Visio, Ether Channel, LACP, DNS, DHCP, AAA, STP.

Confidential

Network Engineer

Responsibilities:

• Worked onCiscoLayer 2 switches (spanning tree, VLAN).
• WAN Infrastructure running OSPF & BGP as core routing protocol.
• Support various Routers like 2600/3600/7200 series routers.
• Tested authentication in OSPF and BGP.
• Configured and troubleshoot OSPF and EIGRP.
• Troubleshooting IOS related bugs based on past history and appropriate release notes.
• Work on different connection medium like Fiber and Copper Connectivity.
• In-depth expertise in the implementation of analysis, optimization, troubleshooting and documentation of LAN/WAN networking systems.
• Planning and configuring the routing protocols such as OSPF, RIP, and Static Routing on the routers.
• Performed and technically documented various test results on the lab tests conducted.
• Planning and configuring the entire IP addressing plan for the clients'network.
• Assist the certification team and perform configuration of LAN\WAN technologies such as Ethernet, Fast Ethernet, and Gigabit Ethernet.
• In-depth expertise in the implementation of analysis, optimization, troubleshooting and documentation of LAN/WAN networking systems.
• WAN Infrastructure running OSPF as a core routing protocol.
• Follow process & procedures for change & configuration management.
• Supported nationwide LAN infrastructure consisting ofCisco4510 and catalyst 6513.
• Deployed the switches in high availability configuration with HSRP.
• Support various Series ofCiscoRouters like 7200/7600 series.
• Support Complex 0 Series Switches.
• NetworkMonitoring using tools likeCiscoWorks 2000.
• Created Lab demonstrations for new technology deployments with loaner equipment from various vendors and presented the findings to upper management.

Environment: Routers 2600, 3600, 7200, Switches 6500, 5500, RIP, EIGRP, OSPF, HSRP, LAN/WAN, Ethernet, STP, VLAN, VPN.