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; Nexus 2k, 5k, 7k and 9k series switches
• 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, IS-IS, OSPF, EIGRP & BGP over Cisco Routers in Production environment
• Good knowledge on service concepts of ITIL, TACACS, Cisco ACS
• 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
• Specifications(SRS)andspecification design documents (HLDandLLD).
• 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
• Experience with Nexus OS
• Knowledge of implementing Palo alto firewalls
• 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
• Enabled Authentications such as WPA2, PAP/CHAP, and AAA.
• 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: 2900XL, 2950, 2960, 3560, 3750X, 4500X, 4510, 6509E.

Firewalls: Cisco PIX 501, 510, 515E, Cisco ASA 5520, 5540, Circuit-level gateways Checkpoint, Palo Alto, Juniper Net-screen.

WAN Technologies: FRAME RELAY, T1/E1, PPP, MPLS, leased lines, DSL modems.

LAN Technologies: Ethernet, Fast Ethernet, Gigabit Ethernet, NAT/PAT.

VOIP Devices: Cisco IP phones, Avaya.

IPSEC/VPN Configuration: PIX to Router, Router to Router, PIX to VPN wildcard client, Router to VPN wildcard client, PIX to PIX, fully meshed configurations.

Routing Protocols: RIP, OSPF, EIGRP, and BGP.

Switching Protocols: VTP, STP, RSTP, MSTP, VLANs, PAGP, and LACP.

Layer 3 Switching: CEF, Multi-Layer Switching, Ether Channel.

Carrier Technologies: MPLS, MPLS-VPN.

Redundancy protocols: HSRP, VRRP, GLBP.

Security Protocols: IKE, IPsec, SSL, AAA, Access-lists, prefix-lists.

Software Tools: SQL, Hyper-V, SharePoint, Active Directory

PROFESSIONAL EXPERIENCE

Confidential, Franklin Lanes, NJ

Sr. Network Engineer

Responsibilities:

• Involved in configuration & troubleshooting of routing protocols: MP-BGP, OSPF, LDP, EIGRP, RIP, BGP v4. Configured IP access filter policies.
• 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.
• ConfigureVRRP & GLBP andVLANTrunking802.1Q & ISL, STP, Port Security on Catalyst 6500 switches.
• Negotiate VPN tunnels using IPSec encryption standards and configured and implemented site-to-site VPN, Remote VPN.
• Implemented Positive Enforcement Model with the help of Palo Alto Networks.
• Innovated with support of Palo Alto for remote and mobile users and for analyzing files for malware in a separate (cloud-based) process that does not affect stream processing.
• Creating and provisioning Juniper SRX firewall policies.
• Created standard access lists to allow SNMP, NTP and logging servers.
• 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.
• Modified internal infrastructure by adding switches to support server farms and added servers to existing DMZ environments to support new and existing application platforms.
• 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.
• Work on Physical Site Inventory verification; gather information of various Cisco Network devices and Security Devices to develop Run book and Spec Book.
• 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 and HP Open view) and experience with developing complex network design documentation and presentations using VISIO
• Monitoring and troubleshooting network issues between client site and 85 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.
• Configuration and maintenance of 3750 stack and 6500 VSS for improved efficiency of the data plane.
• Configuration and management of NEXUS network in the existing network infrastructure.
• Created LAB setup with 7k and 5k NEXUS switches for application testing.

Confidential, PA

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.
• 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.
• Network Migration from RIP to OSPF
• 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 and CSU/DSU’s 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.
• Leveraged two Nexus 2232 Fabric Extenders and two 2248 Fabric Extenders, making them ‘dual-homed’ to both N5Ks and implementing Enhanced Virtual Port-Channel (EvPC).
• Involved smart view tracker to check the firewall traffic.
• Documented all the work done by using MOPS, Visio, Excel and MS word.

Confidential, Virginia Beach, VA

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, RPVST+, 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.
• Deployed Nexus 2000, 5000 and 7000 series switches.
• Involved in Network Designing, Routing, DNS, IP Subnetting, TCP/IP protocol.
• Worked with Routing Protocols of EIGRP and BGP.
• 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.