SUMMARY

• Experienced Network Professional with 6+ years in IT organization implementing and supporting enterprise data networks and Service Provider systems
• Knowledge of implementing and troubleshooting complex layer 2 technologies such as VLAN Trunks, VTP, Ether channel, STP, RSTP and MST. Implementation of HSRP, VRRP for Default Gateway Redundancy
• Experience working on Cisco Catalyst Series 3750, 4500, 4900, 6500;
• Experience in layer - 3 Routing with, Cisco ASR 9k, ASR1002X, 7200, 3845, 3945, 2811, 1800 series
• Expert in configuration of routing protocols and deployment of RIP, OSPF, EIGRP & BGP over Cisco Routers in Production environment
• Involved in troubleshooting of DNS, DHCP and other IP conflict problems
• Experience in working with Cisco Nexus Switches, Virtual Port Channel configuration and Cisco ASA firewall administration across global networks
• Experience with load balancing on F5 LTM, GTM series like 6400, 6800, 8800 for the corporate applications and their availability
• Hands on experience in deployment of Frame-Relay, MPLS, PPP
• Worked on MPLS-VPN designs for the migration of Frame relay to MPLS system.
• Implemented redundancy with HSRP, GLBP, Ether channel technology etc.
• Working knowledge of IDS and IPS, policy routing, private VLANs, NAT and ACLs.
• IOS upgrades on routers &switches and Installation of SDM
• In-depth knowledge and hands-on experience on IP Addressing, Subnet, VLSM,ARP, reverse and proxy ARP, Ping concepts
• Maintaining and updating inventory of all network hardware, Management and Monitoring by use of SSH, Syslog, SNMP, NTP
• Worked on Network Monitoring tools like Cisco Network Assistant, Solar winds, Wireshark, HP open view.
• Efficient in preparing Technical Documentation using Microsoft VISIO/Office
• Experience in designing and implementing high availability solutions (dynamic load distribution, redundant connections, dynamic routing protocols, etc.,)
• Ability to effectively manage multiple assignments and priorities
• Excellent customer management/resolution, problem solving, debugging skills, effectively analyze results and delivering solutions as an individual and as part of a team

TECHNICAL SKILLS

Cisco Router platforms: 2611XM, 2811, 3600, 3745, 3845, 7206, 7609, ASR1002X, ASR9K.

Cisco Switch platforms: Cisco Catalyst 6500, 4000, 3550, 2900.

Firewalls: Cisco ASA 5500, Cisco PIX 500, checkpoint r60, checkpoint r65.

Routing Protocols: BGP, OSPF, EIGRP, IGRP, RIP v1 & v2.

Switching: LAN, VTP, STP, Inter VLAN routing & Multi-Layer Switch, Ether channels, MPLS.

Network Security: Cisco ASA 5540, ACL, IPSEC.

Load Balancer: F5 Networks LTM 6400, 1600.

LAN: Ethernet, Fast Ethernet, Gigabit Ethernet.

WAN: PPP, HDLC, Frame Relay Gateway HSRP, IRDP, NAT, SNMP, NTP, DHCP, TFTP, FTP.

Network Management: Wireshark, SNMP, Ethereal, EMC Smarts.

Operating Systems: Windows (2000, XP, Server 2003/2008, Windows 7), Linux - Ubuntu.

PROFESSIONAL EXPERIENCE:

Confidential, NY

Network Engineer

Responsibilities:

• Assisted in developing overall operational schedules and workload operations.
• Involved in determining problems and delivering solutions with a high-level customer satisfaction.
• Identify, design and implement flexible, responsive, and secure technology services.
• Experience with Firewall Administration, Rule Analysis, Rule Modification.
• Managed fast Layer 3 switched/routed LAN/WAN infrastructure as a part of Network team. The LAN consisted of Cisco campus model of Cisco 3550 at access layer, Cisco 6513 at distribution/core layer.
• Negotiate VPN tunnels using IPSec encryption standards and configured and implemented site-to-site VPN, Remote VPN.
• Installing and configuring the VMware VSphere and creating clusters for High Availability (HA) and Dynamic Resource Scheduling (DRS).
• Involved Data Centers design and Implemented. Designed and implemented VMware 5.5 /VCenter 5.5 and SRM 5.8, Zerto 4.0.8 / Windows 2012 R2 / Windows 2008 R2 on Cisco UCSM with 6 domains/34 Chassis/200+ Cisco UCS B 200 M3 blades with VBlock (VCE).
• Performing vMotion, Cloning, Snapshot, FT, Update Manger, Host Profile, Manage OS Templates and Multi-pathing.
• Installed ESX VMware 5.0/5.5, configure, and maintain server and data store storage systems.
• Documented new VPN enrollments in a database and create standard procedures for further improvement.
• Troubleshoot traffic passing managed firewalls via logs and packet captures
• 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.
• Responsible for Checkpoint and Cisco ASA firewall administration across global networks.
• Generating RCA (Root Cause Analysis) for critical issues of layer1/layer2/layer3 problems.
• Co-ordinated with the Data Network and Security team and came up with possible solutions..
• 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.
• Configuration and troubleshooting of Cisco catalyst 6509, 7613 with supervisor cards.
• Experience with implementing and maintaining network monitoring systems (Cisco works andHP Open view) and experience with developing complex network design documentation and presentations using VISIO
• Monitoring and troubleshooting network issues between client site and remote sites with legacy switches and routers
• Performed and presented network analysis as a part of network migration. Involved in knowledge transfer to vendors and provided them network support as required
• Configuration and maintenance of EIGRP and BGP network on router 7200 and 6500 MLS.

Confidential, Madison, WI

Network Support Engineer

Responsibilities:

• Implemented LAN/WAN utilizing CISCO 7200, 7204, 7206.
• Configured Routing Protocols such as OSPF and policy based routing.
• Design OSPF Areas for reliable Access Distribution and for Core IP Routing.
• Involved in L2/L3 Switching Technology Administration including creating and managing VLANs, Port security, Trunking, STP, Inter-Vlan routing, LAN security.
• Worked in Configuration and extension of VLAN from one network segment to other segment between different vendor switches
• Fine-tuned OSPF metrics to avoid routing loops and ensure redundancy in case of link failures.
• Redistribution of routing protocols and Frame-Relay configurations
• Implemented SNMP on Cisco routes to allow for network management
• Implementing NAT solutions on CISCO IOS routers.
• Implementation and configuration of VPN Tunnels.
• Configuring VLAN trunking Protocol (VTP) on core switches.
• Configured HSRP and VLAN trunking 802.1Q, VLAN routing on catalyst 6500 switches.
• Maintained a Network with more than 600 Network devices, some 20,000-end hosts, and the other Network devices like DHCP, DNS Servers, and Firewall Servers.
• Implementation of TCP/IP and related services - DHCP/DNS
• Configured BPDU Guard, port-fast, uplink fast and other spanning tree features.
• Study single point failures & design WAN structure in such a way that there are no failures in network in case of any device or link failure
• Cisco IPT Migration Projects from legacy PBXs with Nortel.
• Setting up VLANS and configuring ISL trunk on Fast-Ethernet channel between switches
• Implementing, Monitoring, Troubleshooting and Convergence in Frame-Mode MPLS inside the core.
• Load Balancing using F5 Networks Big IP
• Setup simplified and traditional VPN communities and CISCO Anyconnect
• Installed and configured Routers, Bridges, Terminal Servers to support WAN links
• Work with application developers and systems engineer to migrate applications and systems to a new Border Gateway network.
• Installed and configured CISCO ASA and Checkpoint firewall.
• Involved smart view tracker to check the firewall traffic.
• Documented all the work done by using MOPS, Visio, Excel and MS word.

Confidential, Nashville, TN

Network Engineer

Responsibilities:

• Managing entire LAN and WAN and troubleshooting of the company network.
• Involved in the Team of Data Center Operations to perform duties like administration and deployment of Cisco Routers and Switches according to the organization requirements.
• Performed network administration tasks such as creation and management of VLANS, Port security, Inter-VLAN routing, and LAN security.
• Worked with ASA Firewall configuration and participated in Migration of PIX to ASA for hardware devices.
• Configured ASA 5520 to ensure high-end security on the network with ACLs and Firewall.
• Worked with Cisco Catalyst 6500, 4500, 4900 switches and Cisco 2800, 3600, 3800, 7200 & 7600 series Routers.
• Involved in Network Designing, Routing, DNS, IP Subnetting, TCP/IP protocol.
• Worked extensively on network testing and troubleshooting.
• Designed network plan of routing policies with route maps, distribution lists, access-lists.
• Used DHCP to automatically assign reusable IP addresses to DHCP clients.
• Performed Switching Technology Administration including creating and managing VLANs, port security, trunking, RSTP, Inter VLAN routing, LAN security etc.
• Designed, implemented and provided operational support for routing/switching protocols in complex environments including BGP, OSPF, EIGRP, Spanning Tree, 802.1q, etc.
• Configured PVSTP+ for loop prevention and VTP for Inter-VLAN Routing.
• Worked on commissioning and decommissioning of the MPLS circuits for various field offices & POPs.
• GRE tunneling & Site-to Site VPN configuration between other two sites in USA.
• Implemented redundancy for Routers, Switches and Firewalls.
• Manage Cisco Routers and troubleshoot layer1, layer2 and layer3 technologies for customer escalations.

Confidential

Jr. Network Administrator

Responsibilities:

• Created and maintained documentation relating to network configurations, network diagrams, LAN hardware and version records.
• Maintained network security standards and provided technical support to computer system users on reported issues and service requests.
• Assisted in providing network and remote connectivity hardware/software support; maintained LAN user documentation including hardware/software applications.
• Experience with Microsoft Active Directory.
• Troubleshoot and generating Cisco routing protocols and Switch configurations.
• Provided support to Windows Sever R2, XP 7,8 client machines.
• Assisted in providing network and remote connectivity hardware/software support; maintained LAN user documentation including hardware/software applications.
• Provided backup to networking system and maintained data regarding technical problems.
• Provided Support for DNS/DHCP/WINS services.
• Configured the Microsoft Virtual Server and Virtual PC for testing and development
• Day to day Backup of file server with windows backup tool.
• Provided Hardware support, troubleshooting and diagnosis.

Confidential

System Engineer

Responsibilities:

• Extensive experience with Microsoft Windows 2012/2016 Server including Active Directory (AD), Exchange server, Group policy.
• Worked 24×7 on-call support on a rotation basis, Experienced in Office 365, Microsoft Azure and ITIL.
• Physical setting up of computers and software system installation for various computer applications and programs.
• Networking and connecting computers within the same organization to enhance communication.
• Maintained other computer peripheral devices such as printers and solving printing problems if they arise.
• Provided computer support services both for software and hardware for an organization’s employees.
• Coordinated computer maintenance with other Information Technology professionals such as Network Operations.
• Administered and maintained Microsoft Exchange Server and mailboxes.
• Provided end user application software and operating system software support.
• Created the user accounts and profiles, assign permissions using Active Directory.
• Administered the Group Policy, to upgrade and repair software installations.
• Respond to and address any tickets/ work requests in the Remedy Queue.