OBJECTIVE:

Seeking a challenging position as a Network Engineer in a progressive organization where I can use my technical skills, academic knowledge and experiences in the best way possible.

SUMMARY:

• Extensive work experiences on Cisco Routers, Cisco Switches, Load Balancers & Cisco Firewalls.
• Experience working with 2600, 2900, 3600, 3900, 7200, 7600 series Cisco Routers.
• Proficient hands on experience in configuring Cisco Catalyst 2950,2960, 3560, 3750, 4500, 4900, 6500 series and Nexus 2248, 5548, 6004 and 7018 switches.
• Worked on Nexus platform 7018, 5K series (5548, 5020 and 5010) and FEX (2248, and 2232) and deployed VPC, VDC, Fabric path and OTV and successfully implemented VSS on the cisco catalyst switches.
• Expertise understanding in implementing and configuring F5 Big - IP LTM-3900, and 6900 load balancers.
• Strong working experience on Cisco Firewalls, CSM, ACS, and Cisco ASA 5540 Series.
• Expertise in Configuration & troubleshooting of Virtual Local Area Networks (VLANS) using Cisco routers and multi-layer Switches and supporting STP, RSTP, PVST, RPVST+.
• Expertise in configuration & troubleshooting of routing protocols and deployment of OSPF, EIGRP, BGP, MPLS, IP Multicast and Policy routing over Cisco Routers.
• Managed inventory of all network hardware, Management and Monitoring by use of SSH, Syslog, SNMP, NTP.
• Worked on T1/E1/T3 technologies and different LAN & WAN technologies.
• Proficient in using MS Visio for documentation.

TECHNICAL SKILLS:

Routers: Cisco 1900, 2600, 2800, 2900, 3600, 3800, 3900, 7200, 7600

Switches: Cisco Catalyst 3550, 3750, 4500, 4900, 6500 & Nexus 2000, 5000, 6000 and 7000

Firewalls & Load Balancers: Cisco ASA 5540 series, IPSEC and SSL VPN, IPS/IDS, IOS Firewall features, DMZ set up F-5 LTM (3900, and 6900)

Routing: OSPF, EIGRP, BGP, RIP, PBR, Route Filtering, Redistribution, Summarization, Static routing, IP Multicasting.

Switching: VLANs, Dot1Q, VTP, STP, RSTP, VLAN Maps, HSRP, GLBP, CEF, DCEF, Port Security, Nexus OTV and Fabric path.

LAN/WAN Technologies: Ethernet, Frame relay, MPLS, L3VPN, HDLC, PPP, T1, T3, OC Standard, DSL, ISDN

Protocols: IP, TCP, UDP, ICMP, NAT, DHCP, SNMP, IPSEC, SSL, HTTP, SSH, DNS

AAA Architecture: TACACS+, RADIUS, Cisco ACS

Network Monitoring and Management Tools: CA Spectrum, Solarwinds, Ethereal, Wireshark and GNS3

PROFESSIONAL EXPERIENCE:

Confidential

Senior Network Engineer

Responsibilities:

• As part of data center refresh project, I performed migration from Cat 6513 Switches with Sup 720 and WS-X6148A-45AF Line cards of version Cisco IOS Release 12.2(33)SXI2 to Nexus 7009 and 7018 Switches with Nexus 7000 Sup2E, N7K-F312FQ-25 F3,N7K-M206FQ-23L M2 line cards of version NX-OS Release 5.2(1), Nexus 5548UP Switch and Nexus 2232TM-E Switches.
• Configured OSPF, EIGRP and BGP on Cisco Routers.
• Also performed Dual-homing on nexus based platforms using the feature VPC and also managed to do Virtualization on the nexus platforms using the feature VDC and also maintained VRF’s in those VDC’s.
• Used Fabric Extenders like 2248TP GE series for the top of the rack solution and used 5548P for the end of the row solution.
• Performed OTV to extend L2 VLANs between data centers over IP on Nexus 7018 switches using DATA CENTER Interconnect and underlying MPLS network.
• Performed FABRICPATH to enable L2 routing in Data Center’s for providing stability and scalability on F1 and F2 module cards.
• Provided VPN services to site-to-site and, Remote access VPNs using IPsec and GRE tunneling mechanisms.
• Performed network administration tasks such as creation and management of VLANS, Port security, Trunking, RPVST+, Inter-VLAN routing, and LAN security.
• Configured policy statements, and routing instances.
• Performed Network Security Assessment and implemented security features such as network filtering, SSH, AAA, SNMP access lists, VTY access lists, EIGRP MD5 authentication, and HSRP authentication.
• Configured ACLs in Cisco 5540 ASA firewall for Internet Access requests for servers, Protocol Handling, Object Grouping and NAT.
• Implemented rules on Juniper SRX 550 at the server farm.
• Worked on F5 BIG-IP LTM 6900, configured profiles, and provided and ensured high availability.
• Used internal network monitoring tools to ensure network connectivity and Protocol analysis tools to assess the network issues causing service disruption.

Confidential

Network Engineer

Responsibilities:

• Worked on 2600, 3500, 7613 Cisco Routers and 4500 and 6500 series Cisco Switches.
• Performed VSS on cisco catalyst 6500 series switches.
• Configured and managed Cisco access layer routers and switches & carried out route redistribution & manipulated route updates using distribute lists, route-maps & administrative distance, and offset-lists.
• Tested various BGP attributes like local preference, MED, Weight and replicated customer issues in the testing environment lab.
• Designed WAN structure to prevent single point of failure in case of link failure.
• Configured PVSTP+ for loop prevention and VTP for Inter-VLAN Routing.
• Implemented port aggregation & link negotiation using LACP and PAGP.
• Involved in design, implementation and configuration of HSRP for load balancing on L3 switches on different location of office on the switched network.
• Configured and deployed BIG-IP LTM 6900 for providing application redundancy and load balancing.
• Configured Client VPN technologies including Cisco’s VPN client via IPSEC.
• Configuring switch for 802.1x port based authentication.
• Troubleshot issues and outages on Trunks and Router interfaces and firewalls extensively.
• Experience working with network monitoring applications. (Solarwinds).
• Involved in operations and administration of WAN consisting Ethernet Handoffs, T1, DS3, and Optic Fiber Handoffs.
• Provided technical assistance for LAN/WAN management & troubleshooting and complex customer issues.
• Assisted Network Engineer in the installation and configuration of firewalls.

Confidential

Network Engineer

Responsibilities:

• Configured RIP and EIGRP on 2600, 2900 and 3600 series Cisco routers.
• Implemented VTP and trunking protocols (802.1q and ISL) on 3560, 3750 and 4500 series Cisco Catalyst switches.
• Upgraded the IOS on 1900, 2900, 3500 series Cisco Catalyst switches and 2500, 2600, 3600 series Cisco routers using TFTP.
• Worked on installation, maintenance, and troubleshooting of LAN/WAN (ISDN, Frame relay, NAT, DHCP, TCP/IP).
• Configured Access List (Standard, Extended, and Named) to allow users all over the company to access different applications and blocking others.
• Configured STP for loop prevention and VTP for Inter-VLAN Routing.
• Done troubleshooting of TCP/IP problems and connectivity issues in multi-protocol Ethernet environment.
• Worked on network-based IT systems such as racking, stacking, and cabling.