PROFESSIONAL SUMMARY

• 8 years of expertise in network system design, administration and troubleshooting comprising of following knowledge areas:
• Extensive work experiences on Cisco Routers, Cisco Switches, Load Balancers Cisco Firewalls
• Proficient hands on experience in configuring Cisco Catalyst 2960, 3560, 4500, 6500, 4900, 3750 series and Nexus 5010,5048 and Nexus 7010,7018 switches.
• Strong working experience with 2600, 2900, 3600, 3900, 7200, 7600 series Cisco Routers
• Implemented redundancy with HSRP, VRRP, GLBP, Ether channel technology LACP, PAgP etc.
• Supporting compliance with regulations and frameworks like SOX, ISO 27002, and PCI and crafting and enforcing internal policies.
• Switching tasks include VTP, ISL/ 802.1Q, VLAN, Inter-VLAN routing, Ether Channel, STP and RSTP, PVST .
• Expert Level Knowledge about TCP/IP and OSI models.
• Knowledge in OTV, Virtual Device context, Virtual Port channel and VSS cluster
• Implemented traffic filters using Standard and Extended access-lists, Distribute-Lists, Route Maps and route manipulation using Offset-list.
• Hands on experience in deployment of GRE tunneling, SSL and Site-Site IPSEC VPN.
• Expert in configuration of routing protocols and deployment of RIP v1/2,OSPF, EIGRP BGP over Cisco Routers in Production environment.
• Expert in Configuration of Virtual Local Area Networks VLANS using Cisco routers and multi-layer
• Worked on Load Balancers CSM and F5 LTM like 3900, 6900 for corporate applications.
• Switches and supporting STP, RSTP, PVST, RPVST along with trouble shooting of inter VLAN routing and VLAN trunking using 802.1q.
• Network security including Telnet, SDM, NAT/PAT, ACLs, AAA, ASA and SRX Firewalls
• Worked on T1/E1/T3 technologies and different LAN WAN technologies
• FTP, TFTP and DHCP configuration and setup
• Performed professional level documentation using Visio diagrams

Professional Experience:

Confidential

Network Engineer

Responsibilities:

• Worked with Cisco Layer 3 switches 3750,4500,6500 Cisco Nexus 5010 and 7018 in multi VLAN environment with the use of inter-VLAN routing, 802.1Q trunk, ether channel
• Involved in complete LAN, WAN development including IP address planning, designing, installation, configuration, testing, maintenance, troubleshooting etc.
• Involved in Switching technology Administration including creating and managing VLANS, Port security, Trunking, RPVST , Inter-VLAN routing, LAN security etc.
• Configured PVSTP for loop prevention and VTP for Inter-VLAN Routing.
• Set up VSS cluster, ether channel, VLAN trunking, VTP and inter-VLAN routing on 6506.
• Configure VDC and vPC on Nexus 7018 and Nexus 5010.
• Configures and managed Nexus 2248.
• Implemented port aggregation link negotiation using LACP and PAGP.
• Configured site to site VPN technologies using IPSEC.
• Worked on Check Point firewall supported other operating systems including Solaris, HP-UX And IBM-AIX
• Expert in designing, developing, analyzing, troubleshooting, and documenting computer network security infrastructure. Responsible for design and feature enhancements to keep systems running smoothly. Ensures that network operations are safe and efficient by monitoring network performance, coordinating planned maintenance, adjusting hardware components and responding to network connectivity issues related to firewall/VPN/SSL infrastructures.
• Supporting compliance with regulations and frameworks like SOX, ISO 27002, and PCI and crafting and enforcing internal policies.
• Worked on OSI model, IP Subnetting, 10/100/1000 Ethernet, wireless 802.11 a/b/g , packet analysis, LAN to Lan Tunneling, broadband technologies, OSPF, BGRP, VRRP, VLAN and QOS environment.
• Involved in design, implementation and configuration of HSRP for load balancing on L3 switches on different location of office on the switched Network.
• Worked with Routing Protocols of OSPF, and BGP.
• Worked on Linux, AIX, SunOS, Solaris, UNIX , DOS, Windows operating environments
• Worked on F5 BIG-IP LTM 6900, configured profiles, and provided and ensured high availability
• Worked on F5and CSM load balancers deploying many load balancing techniques with multiple components for efficient performance
• Designed and implemented DMZ for Web servers, Mail servers FTP Servers using Cisco ASA5500 Firewalls.
• Worked for change management procedure and implementation of configuration changes during non-production window
• 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.
• 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:

• Performing administration on BGP, OSPF EIGRProuting protocols.
• Implemented route redistribution between OSPF and EIGRP.
• Involved in Network Designing, Routing, and DNS, IP Subnetting, and TCP/IP protocol.
• 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
• Provided technical assistance for LAN/WAN management and complex customer issues
• Provided support for troubleshooting and resolving customer reported issue
• Assisted Network Engineer in the installation and configuration of firewalls
• Performed route filtering and route manipulation by applying distribute-lists, route-maps offset lists respectively.
• Worked on Check Point firewall supported other operating systems including Solaris, HP-UX And IBM-AIX
• Manage various VLANs, IP addressing for various subnets, VLAN Trunking between various access-switches, etc.
• Expert in designing, developing, analyzing, troubleshooting, and documenting computer network security infrastructure. Responsible for design and feature enhancements to keep systems running smoothly. Ensures that network operations are safe and efficient by monitoring network performance, coordinating planned maintenance, adjusting hardware components and responding to network connectivity issues related to firewall/VPN/SSL infrastructures.
• Supporting compliance with regulations and frameworks like SOX, ISO 27002, and PCI and crafting and enforcing internal policies.
• Troubleshot switching issues related to VTP and Trunking.
• Part of a team in establishing the WAN network that has primary Leased Line and ISDN as backup source.
• Worked on Linux, AIX, SunOS, Solaris, UNIX , DOS, Windows operating environments
• Worked on Security issues, VPN, IPSec, NAT, Configuration Standard and Extended Access Control Lists ACLs and Firewalls.
• Configured IPSec VPN tunneling for client machines to access organization's network.
• Involved in troubleshooting Layer-2 Layer-3 issues on daily basis.

Confidential

Network Support Engineer

Responsibilities:

• Documented the company's design, implementation and troubleshooting procedures.
• Monitored the Network performance based on company's Service Level Agreement SLA .
• Performed IOS upgrades on various catalyst series switches and maintained latest IOS versions according to company's policy.
• Configured VLANs with 802.1Q tagging according to the Server team's requirements.
• Responsible for cabling and labeling based on day to day requirement and Racking Stacking of various network equipment's.
• Supporting compliance with regulations and frameworks like SOX, ISO 27002, and PCI and crafting and enforcing internal policies.
• Worked on Linux, AIX, SunOS, Solaris, UNIX , DOS, Windows operating environments
• Worked on Check Point firewall supported other operating systems including Solaris, HP-UX And IBM-AIX
• Expert in designing, developing, analyzing, troubleshooting, and documenting computer network security infrastructure. Responsible for design and feature enhancements to keep systems running smoothly. Ensures that network operations are safe and efficient by monitoring network performance, coordinating planned maintenance, adjusting hardware components and responding to network connectivity issues related to firewall/VPN/SSL infrastructures.
• Worked on OSI model, IP Subnetting, 10/100/1000 Ethernet, wireless 802.11 a/b/g , packet analysis, LAN to Lan Tunneling, broadband technologies, OSPF, BGRP, VRRP, VLAN and QOS environment.
• Provided Helpdesk support by:
• Identifying and escalating the tickets to the specific groups.
• Resolving all computer related problems, such as troubleshooting operating system failure, scheduling and updating virus checks on servers and desktops.
• Providing Internet services to users.