SUMMARY:

• A dedicated Professional with around 8 years of expertise in Designing, Implementation, Administration, Operations and troubleshooting of enterprise data networks as a Network Engineer.
• Extensive work experiences on Cisco Switches, Cisco Routers, Load Balancers & Cisco Firewalls
• Design, implementation and operational support of routing/switching protocols in complex environments including BGP, OSPF, EIGRP, Spanning Tree, 802.1q, etc.
• Configuring and implementing routing protocols including RIP, TCP/IP, and RIP v1/v2, OSPF, EIGRP and BGP.
• Strong Knowledge in WAN technologies including E3,E1,T1,T3, ISDN, HDLC, Point to Point, ATM and Frame Relay and PPP.
• Experience in Cisco: IP addressing, Wide Area Network configurations (Frame - relay & MPLS).
• Worked on network topologies and configurations, TCP/IP, UDP, Frame Relay, Token ring, bridges, routers, hubs and Switches.
• Experience in L2/L3 protocols like VLANS, STP, VTP, MPLS and Trunking protocols.
• Expert in configuration of Virtual Local Area Networks (VLANS) using Cisco routers and multi-layer Switches and supporting STP, RSTP, PVST, RPVST along with trouble shooting of inter VLAN routing and VLAN trunking using 802.1q.
• Configuring Nexus 2000 Fabric Extender (FEX) which acts as a remote line card (module) for the Nexus 7000. Configuring VDC & VPC in Nexus 9k, 7k, 5k and 2k.
• Experience in working with IPSEC Site to Site, Remote VPN using different encryption methods.
• Experience in installing and configuring DNS, DHCP server.
• Experience in installing, configuring and troubleshooting of Checkpoint Firewall and Juniper MX series.
• Experience with convert Checkpoint VPN rules over to the Cisco ASA solution. Migration with both Checkpoint and Cisco ASA VPN experience.
• Hands on Knowledge/experience on F5 load balancers, its methods, implementation and troubleshooting on LTMs and GTMs.
• Some Network Automation experience over Python and Ansible.
• Experienced working on network monitoring and analysis tools like, SOLAR WINDS, CISCO works and Wireshark.
• Good communication skills and ability to perform tasks on time with minimal guidance.

TECHNICAL SKILLS:

Network Protocols: IPv4, IPv6

Routing Protocols: RIPv1/2, OSPF, IGRP, EIGRP, BGP, IS-IS

Routers: Cisco 2600, 3600, 3800, 7200, 7600, ASR 9001

Switches: Cisco 2960, 3750, 4500, and 6500 and Nexus 2K/3K/5K/7K Series

Switching: VLANs, Dot1Q, VTP, STP, RSTP, PVST+, RPVST, VLAN Maps, Inter VLAN routing & Multi-Layer Switching, Ether channels (LACP, PAgP), VSS, vPC, VDC, CEF, DCEF, and Port Security

LAN/WAN: 10 Gig/1 Gig/Fast Ethernet, T1/T3, Frame Relay, ISDN

Network Services: QoS, Multicast, DNS, WINS, DHCP, NTP, FHRP, SNMP, VLAN.

Network Security: VPN (IPSec, SSL, MPLS VPN, Flex VPN, etc), ACL, AAA, TACACS+, RADIUS, PPTP, L2TP, L2F

Network Equipment: CISCO Router Family (ASR1000, 7200, 2900, 2800, 3600, 2600), CISCO Nexus switches (7K, 5K, 2K), Catalyst Switch (6500, 4000, 3850, 3700, 3650, etc.) Family, VPN Concentrator 3005, 3015, 3030, Riverbed Steelheads, Riverbed SCC, Juniper SSL VPN, Checkpoint firewall

Operating Systems: Windows, UNIX, Linux

Firewall & Security: Checkpoint, Cisco ASA, Juniper SRX

WORK EXPERIENCE:

Confidential, NYC, NY

Senior Network Engineer

Responsibilities:

• Working as Network Engineer, Hands on experience with Cisco Nexus 7000/5000/2000, and Catalyst 3750, 4500 and 6500 platforms.
• Worked on Ansible scripting to perform Network Automation in the infrastructure.
• In-depth knowledge of layer 3 technologies, such as HSRP, EIGRP, OSPF and BGP.
• Experience with the upgrades of network devices like Palo alto, ASA firewalls, F5 Load balancer, routers and switches.
• Working Knowledge of Cisco IOS, and Nexus (7K, 5K, 3K & 2K).
• Efficient designing of IP Addressing Scenario using VLSM and Sub netting.
• Good at OSI Layers concepts.
• Switching tasks include VTP, ISL/ 802.1q, VLAN, Ether Channel, STP and RSTP.
• Implemented security policies using ACL, Firewall, IPSEC, SSL, VPN, IPS/IDS, AAA (TACACS+ & RADIUS).
• Experience in physical cabling, IP addressing and Subnetting with VLSM, configuring and supporting TCP/IP, DNS, installing and configuring proxies.
• Specific tasks include Integrated, Integrations, configurations, support and maintenance of routers and switches.
• Experience with design and deployment of MPLS Layer 3 VPN, MPLS Traffic Engineering, MPLS QOS
• Diverse industry exposure - telecom, consumer goods, health care and IT consulting
• Knowledge on complex, Cisco ASA & Palo Alto firewalls Environment.
• Worked on implementation of the basic F5 ASM, F5 LTM and F5 APM.
• Configuring and troubleshooting F5 BIGIP LTM load balancing and implementing, Creating Irules, Virtual servers, Pools, Nodes with health, Profiles, SNAT, SSL, NAT, Traffic Policies.

Confidential, Denver, CO

Network Engineer

Responsibilities:

• Configuration and troubleshooting of Cisco 2500, 2600, 3000, 6500, 7500, 7200 Series routers.
• Experience working with Nexus 7010, 5020, 2148, 2248 switches.
• Implementation and configuration of F5 Big-IP LTM-6400 load balancers
• Installation and administration of Checkpoint R 75.40 Firewall.
• Implemented firewall policy change on the Checkpoint clusters.
• Experience with convert juniper SRX VPN rules over to the Checkpoint 12000 Boxes, Migration Experienced with SPLAT and Junos.
• Configured Routing protocols such as RIP, OSPF, EIGRP, static routing and policy based routing.
• Troubleshooting the Network Routing protocols (BGP, EIGRP and RIP) during the Migrations and new client connections.
• Implemented, configured BGP WAN routing, converting OSPF routes to BGP (OSPF in local routing).
• Generating RCA (Root Cause Analysis) for critical issues of layer1/layer2/layer3 problems.
• Provided redundancy to the network, implemented hot standby routing protocol (HSRP) and Load sharing for effective utilization of routers.
• Configuring, implementing and troubleshooting VLAN’s, VTP, STP, Trunking, Ether channels.
• Configuring and maintenance of layer2 switching tasks which advocate VLAN, VTP, STP, RSTP, PVST, RPVST, configuring of ether channel with LACP and PAGP along with troubleshooting of inter-VLAN routing.
• Packet capturing, troubleshooting on network problems with Wireshark, identifying and fixing problems
• Performing network monitoring, providing analysis using various tools like Wireshark, Solarwinds etc.

Confidential, Pennington, NJ

Network Engineer

Responsibilities:

• Strong hands-on experience in Installation, Configuration and troubleshooting of Cisco Routers and Switches.
• Strong knowledge of Protocols BGP, OSPF, EIGRP, IPv4/IPv6, MPLS, QoS and VLANs.
• Experience on ASRs, 7200, 6500 and Nexus 5000 &7000 product lines.
• Secured network access with Cisco Secure (RADIUS/ TACACS+)
• Leveraged firewalls, route maps, access list, SSH, port security and TACACS (terminal access controller access control system) to achieve excellent network security.
• Performed basic security audit of perimeter routers, identifying missing ACL's, writing and applying ACL's.
• Experience in problem solving on IP Core networks including routing convergence issues, routing configuration issues, WAN protocol issues.
• Well Experienced in configuring protocols HSRP, GLBP, VRRP, ICMP, IGMP, PPP, HDLC, PAP, CHAP, and SNMP.
• Performed analysis and diagnosis of complex networking problems in area of IP Core and MPLS/VPN networks.
• Hands on experience on Cisco Switches 6500, 4900, 4000, 3750, 3500, 2900 series switches and 7200, 2900 series routers
• Hands on experience on Juniper Switches and Firewalls.
• Hands on experience on F5 Load Balancer - for even distribution of client requests to the pool of servers.
• Architecture Designed and Implemented Checkpoint R75, 77.20 Gaia, Cisco ASA 5540, 5580 and VSX, Juniper SRX 3600, 5800 as per the business requirements.

Confidential - Cincinnati, OH

Junior Network Engineer

Responsibilities:

• Key contributions include troubleshooting of complex LAN/WAN infrastructure that include routing protocols EIGRP, OSPF and BGP.
• Configuration of routing protocol such as RIP, EIGRP, OSPF and switching protocol like STP, RSTP.
• Configured RIP and EIGRP on 2600, 2900 and 3600 series Cisco routers.
• Giving Support for Managed enterprise network of multiple customers spread over multiple countries.
• Assisted Network Engineers in the installation and configuration of firewalls.
• Hands on experience in Maintaining and troubleshooting of Cisco Devices (Router, Switch & ASA)
• Done troubleshooting of TCP/IP problems and connectivity issues in multi-protocol Ethernet environment.
• Worked with wireless technologies troubleshooting and configuration.
• Establishing VPN Tunnels using IPSec encryption standards and also configuring and implementing site-to- site VPN, Remote VPN.
• Coordinating and Escalating of issues to Different Service Providers for the WAN outages to resolve the issue well within the SLA.
• Coordinating with Data Centre Engineers for replacement, reseating, break fix of faulty devices and changing of the cabling related issue.
• Modified internal infrastructure by adding switches to support server farms and added servers to existing DMZ environments to support new and existing application platforms.
• Configure BGP features such as as-override, Local pre, EBGP load sharing on client connections.
• Ensuring problems are satisfactorily resolved in a timely manner with focus in providing high level of support for all customers.