SUMMARY:

• Network Engineer with 8+ years of experience in network design, implementation, support, analysis and troubleshooting of LAN and WAN environment.
• Expertise in configuring VLANs, multi - layer switches and supporting STP, RSTP, PVST, RPVST along with trouble-shooting of inter-VLAN routing and VLAN trunking using 802.1Q
• Proficient in configuration & troubleshooting of different routing protocols OSPF EIGRP RIP, BGP, HSRP, VRRP
• Experience in Layer 2 Routing protocol configurations FRAME RELAY, IP services such as QoS and VPN technologies: IPSec & GRE.
• Designing, Implementing & Managing LAN for different client setups. In-depth knowledge and experience in WAN technologies including T1, T3, HDLC, Point to Point, ATM & Frame Relay.
• Access Control Server configuration for RADIUS & TACACS+.
• Experience in Physical cabling, IP addressing & subnetting with VLSM, configuring and supporting TCP/IP, DNS, installing and configuring proxies.
• Implemented MPLS/VPN services for various customers.
• Experience in set up, configuration and management of Cisco ASA Firewall in various domain such as Internet, DMZ, Business-Partner and Remote-Access VPN etc.
• Experience in configuring and Troubleshooting BIG-IP F5 load balancer LTM.
• Creating Virtual Servers, Nodes, Pools and iRules on BIG-IP F5 in LTM module.
• Good experience working with the Trouble Tickets on F5 Load balancers on LTM module.
• Performed network analysis & troubleshooting experience using various tools like Wireshark, Nmap & Sniffer.
• Perform network documentation and develop network design documentation and presentations using MS Visio and other MS Office products.
• Excellent interpersonal, communication & organizational skills with the ability to interact effectively with clients
• Prepared test beds for POC and document POC as per the requirements.
• Proven skills for planning, analyzing, sizing, and optimizing capacity to satisfy demand in a timely manner and at a reasonable cost.

TECHNICAL SKILLS:

Switches: Cisco switches 2900, 3560, 3750, 4500, 6500 series & Nexus 2K, 5K, 7K series DOT1Q, VLAN, Inter: VLAN Routing, VTP, STP, DTP, ISL, Port Channel, VPC

Routers: Cisco routers 2600, 2800, 3600, 3800, 3900, 7200 & 7600 and Juniper J series

Routing Protocols: EIGRP, OSPF, RIP, BGP, HSRP, IGRP, VRRP

WAN Technologies: Frame Relay, PPP, HDLC, T1/T3

PROFESSIONAL EXPERIENCE:

Confidential, Worcester, MA

Network Engineer

Responsibilities:

• Experience in configuring routing protocols like EIGRP, RIP v2, OSPF & BGP and Cisco ACS protocols like RADIUS and TACACS.
• Configured and resolved various OSPF issues in an OSPF multi area environment.
• Worked with configuring BGP internal and external peers with manipulation of attributes such as community, MED, Cluster List, AS-PATH, metric, origin and local P.
• Performed route redistribution & manipulated route updates using distribute lists, route-maps & administrative distance.
• Performed Network Security Assessment and implemented security improvements such as network filtering, SSH, AAA, SNMP access lists, VTY access lists, EIGRP MD5 authentication, and HSRP authentication.
• Experience in working with Nexus 7010, 5020, 2148, 2248 devices.
• Implemented SNMP on Cisco routes to allow for network management.
• Experience with design and deployment of MPLS L3 VPN with ASR 9000 series switches & GSR 12016 Series routers with Cisco IOS-XR.
• Experience working with design and deployment of MPLS Layer 3 VPN cloud, involving VRF, Route Distinguisher (RD), Route Target (RT), Label Distribution Protocol (LDP) & MP-BGP.
• Strong hands on experience on PIX Firewalls, ASA (5540/5550) Firewalls. Implemented Security Policies using ACL, Firewall, IPSEC, SSL, VPN, IPS/IDS, AAA (TACACS+ & RADIUS).
• Upgrades and backups of Cisco routers and switches configuration files to a TFTP server.
• Configuration of NAT.
• Administration of ASA firewalls in the DMZ and FWSM to provide security & controlled/restricted access.
• Provided Load Balancing towards access layer from core layer using F5 Network Load Balancers.
• Configured BIG IP (F5) Load balancers and also monitored the Packet Flow in the Load balancers.
• Reviewing, analyzing and executing all changes in the network. All Configurations of Cisco Routers and Switches. Participated in a rotating 24x7 support schedule for the Network operation Center.
• Maintain effective communications with vendors, peers and clients in resolution of trouble-tickets, equipment RMAs, and support requests.
• Dealt with implementation of deployment related to Cisco devices and applying security policies on it.
• Assisted in the architecture, evaluation and recommendations related to purchasing and installing hardware, software related to IP Networking.
• Monitored network traffic and developed capacity planning initiatives, making necessary recommendations for additional resources or hardware.
• My responsibilities also include writing and executing Test Plan, Desk level procedures and Test Case Documents for smooth network operations.

Confidential, San Francisco, CA

Network Administrator

Responsibilities:

• Install and configure cisco routers, switches and firewalls of various models. Upgrade codes, IOS, and patches for different network devices.
• Performed TCP/IP networking based administration including VLANs, inter-VLAN routing, Trunking, STP, RSTP, port aggregation & link negotiation and port security
• Configuration & troubleshooting of routing protocols: Static, OSPF and EIGRP and BGP.
• Troubleshooting LAN and WAN problems, Application working slow problems.
• Configuring network devices for TACACS+, Syslog, SNMP, DHCP and DNS.
• Backing up and upgrading Cisco IOS using TFTP server
• Monitor/maintain network connectivity & traffic using network monitoring tools to ensure optimal performance
• Responsible for researching new technology directions and making recommendations for improving the reliability & functionality of LAN & WAN.
• Prepare Design documents Visio diagrams & Implementation plan for all projects on network environment
• Monitor network performance, trouble shoot using Solar winds
• Configure Cisco ASA Firewall and VPN.
• Documentation: MS Word, PowerPoint and vision to maintaining core, logical and rack diagram.
• Monitoring base line of traffic to analyze growth or find out any issues on the network.
• Monitoring syslog to troubleshoot different Network Alerts.

Confidential, AZ

Network Consultant

Responsibilities:

• Configured and managed Cisco access layer routers and switches.
• Worked with data center technicians in identification of EOL devices and plan complex maintenance windows to decommission obsolete devices.
• Generating RCA (Root Cause Analysis) for critical issues of layer1/layer2/layer3 problems.
• Implemented port aggregation & link negotiation using LACP and PAGP.
• Worked with Network Architects and Design Engineers to develop plans for Network Upgrade to maintain compliance and support modern infrastructure.
• Perform Network Upgrades including IOS upgrades and replacement of network devices to accommodate the additional requirements.
• Performed Troubleshooting and monitored routing protocols such RIP, OSPF, EIGRP & BGP.
• Implemented TCP/IP and related services like DHCP/DNS/WINS.
• Configured and troubleshooting of HSRP on Cisco routers.
• Enabled different functions like Port Fast BPDU Guard & Root Guard on different switches as per the requirements
• Monitoring network to ensure network availability to all system users and performing necessary maintenance to support network availability.
• Configuration of Standard and Extended Access List (ACL) to allow users all over the company to access different applications and blocking others.
• Working with customers Site-to-Site and Remote Site VPNs using Cisco routers to Cisco routers, ASA Firewall to ASA Firewall, Cisco Router to ASA Firewall and troubleshoot and modify existing VPN.
• Configured and managed Networking and Network Security by performing system administration /analysis that includes installing/configuring proxies, DNS, IP addressing scheme & IP subnetting with VLSM, configuring VLANs & Trunks.
• Responsible for procurement and installation of Hardware, network drives and other IT infrastructure. Documented the design, implementation & troubleshooting procedures with Method of Procedure (MOPS).
• Manage operational monitoring of equipment capacity/utilization and evaluate the need for upgrades; develop methods for gathering data needed to monitor hardware, software, and communications network performance.

Confidential

System Engineer

Responsibilities:

• Configuration of Access List ACL (Std., Ext, Named) to allow users all over the company to access different applications and blocking others.
• Perform routine network maintenance checks as well as configure and manage printers, copiers, and other miscellaneous network equipment.
• Configuring of IP Allocation and sub netting for all applications and servers and other needs throughout company.
• Troubleshot the issues related to routing protocols.
• Installing operating systems, software and hardware on computers.
• Responsible for Data Backup, System Update, Recovery and Restore, and Spyware removal.
• Assisting Junior and Senior Engineers, on-site management of cable-wiring technicians
• Troubleshot problems on a day-to-day basis and documented every issue to share it with design teams.