SUMMARY

• 12 years of experience in analysis, design, Implementation of Network devices (higher end Switches and Routers including Firewalls and load balancers)
• Experience in Network Management Tools and sniffers like SNMP, HP - Open view, Wireshark to support 24 x 7 Network Operation Center
• Well experienced in configuring gateway redundancy protocols like HSRP, GLBP, and VRRP.
• Worked on Cisco 7200, 3800, 3600, 2900, 2800, 2600, 1800 series Router andCisco 2900, 3500,4500, 5500, 6500 series switch.
• Experience of routing protocols like EIGRP, OSPF, RIP, MPBGP and BGP and setup of Access-Lists, and RIP, EIGRP, and tunnel installations.
• Worked on VPN technologies like L2 and L3 DMVPN and GRE Tunneling
• Worked on projects in Managed Services, providing end-end support for the clients
• Rich experience in Routing, Switching, Firewall and Load balancing
• Experience in Analysis, troubleshooting and implementation of higher end switches and routers
• Configuration port-fast, uplink fast and other spanning tree features
• Tested authentication in OSPF and BGP
• Knowledge in Cloud technologies like VXLAN, VPC, NFV, NFVI and Clos Topologies
• Knowledge in SDACCESS
• Knowledge in SDWAN like Vmanage, Vedge, Vsmart and Vorchestration,Vanalytics
• Interacting with US and UK customers and solving their queries and providing solutions to them.
• Handling Problem Management and Providing RCA Reports.
• Experience in working with multiple vendors and geographically distributed teams
• Prepared Logical and Physical Network diagram for various Opco’s through Visio.
• Access control server configuration for RADIUS & TACACS+ and ISE.
• Ability to Install, Manage & Troubleshoot Large Networks & Systems Administration on Windows & Linux platforms in Development, Lab & Production Environments.
• Proficiency in configuration of VLAN setup on variousCiscoRouters and Switches.
• Experienced in trouble-shooting both connectivity issues and hardware problems on Cisco based networks
• Experience in patching and Monitoring systems
• WEBGUI Automation through Python With Selenium.
• Knowledge in Basic Python Programming.
• Understanding Netmiko for Network Automation.
• Cisco Video Systems Experience

TECHNICAL SKILLS

Routers: CISCO 2600, 2800,3600,3800,4000,7200

Switches: CISCO 2924, 2950, 3560, 3750X, 3750G, 3650, 3850, 6500, 4507, 6807

Firewalls & Load Balancers: Cisco Firewalls (ASA 5505), PIX 515

IP Routing Protocols: BGP, OSPF, EIGRP, RIP v1 & v2, VRFs, Route redistribution, Route filtering, EIGRP, OSPF, IS-IS, IGRP, HSRP, VRRP, GLBP, LACP, PAGP, DNS, SMTP, SNMP, FTP, LPD/TDP, WEP, TNS.

Security Technologies: Cisco Pix Firewalls (525, 520, 515, 506), ASA 5510, 5580, 5555-X VPN, Cisco IOS Firewall feature set (IOS 12.X), RAIDIUS/TACACS VPN site-to-site, GRE Tunnel, Cisco AnyConnect.

LAN/WAN Technologies: FDDI, Token Ring, VLAN, Frame Relay, HSRP, VRRP, VSS, Multicast (PIM & IGMP) and MPLS.

Network Monitoring: Solar winds, Cisco WAN Manager, MPLS, HP Open view, Wireshark.

Features & Services: IOS and Features, HSRP, GLBP, IPAM IRDP, NAT, SNMP, SYSLOG, NTP, DHCP, CDP, DNS, TFTP and FTP Management

Operating Systems: Windows 7, Vista, XP, 2000, LINUX, Cisco IOS, IOS XR.

Languages: HTML/DHTML

AAA Architecture: TACACS+, RADIUS, Cisco ACS.

Gateway: HSRP, VRRP, GLBP

PROFESSIONAL EXPERIENCE

Confidential, Sunnyvale

Technology Lead

Responsibilities:

• Selvajegan is a Technology Lead with good experience in analysis, design and implementation of network devices.
• Good Understanding of OSI Model, TCP IP Protocol.
• Understanding of Docsis and Packet cable. Understanding of PIX and ASA Firewalls like ASA5500
• Configuration of Routing Protocols like OSPF, EIGRP and BGP.
• Configuration and implementation of Spanning Tree Protocols like STP, PVST and RSTP.
• Deployed the switches in high availability configuration with HSRP, VRRP
• Port Security Configuration for Corporate Floors
• Vlan Configuration and VTP, trunking protocols like ISL and IEEE802.1Q
• Cable Modem Features Testing and Automation Testing
• BGP attribute Configuration like AS Path Prepend, Weight, Local Preference and MED.
• Enable secure sharing of VLAN information to prevent the introduction of rogue devices from affecting the VLAN database. Shutdown unused switch ports following Layer 2 security best practices.
• Perform Router and Switch hardening as per Company requirement.
• Validation of RDK-B stack - Reference Design Kit (RDK) for Broadband devices which is an open software stack for cable broadband modems, routers, and gateways build using Yocto, a Linux Foundation collaborative open source project whose goal is to produce tools and processes that enable the creation of Linux distributions for embedded and IoT software that are independent of the underlying architecture of the embedded hardware.
• Certification of new features like MESH networks, Band steering, Wi-Fi health index, Wi-Fi Client stats, Xfinity Home, Xfinity Wi-Fi Enhancements, Telemetry, WEBPA, SNMPV3, IPV6 support, Iperf - Speed test, Remote Feature Control, XCONF, MoCA functionality and Security enhancements like Device Fingerprinting, Safe browsing features being added to the RDK-B software stack.
• Validation of RDK-B Device Management modules like Power state management, SNMP, WEBUI, Parental Control, TR069, RDK-B Logger, Dynamic DNS, Email Notification, Routing and HS Port Forwarding
• Validation of Broadband services like WIFI, Hotspot, Home Security, MoCA (Multimedia over Coax Alliance) and Business Router features etc.
• Validation of Middleware Features like Device Manager-Command Line Interface (CLI), Common Data model, DOCSIS (Data Over Cable Service Interface Specification), eMTA (Embedded Multimedia Terminal Adapter), Routing Information Protocol and Self-heal
• Design and develop Automation test suites to minimize manual effort
• Regression testing of the RDK-B Stack self-install CPE (Customer premises Equipment) devices, troubleshooting, defect management, support for field issue verification
• Test case preparation, test case review, test execution, automate text execution, identify end- user issues before deployment of product in multiple market
• Monitoring of all Cable Modems through Heath Checker Tool and troubleshooting any issues.
• Installation and Configuration of NUCS, Rasp Pi and MAC machine for RDKB Automation Set up.
• Racking new Cable Modems and Device Provisioning in Device Health Checker and CATS Inventory.
• Adding a Health scheduler for new Cable modems in Device Health Checker and performing a routine health check for all devices.
• Provisioning and Installation of MicroTik Router, Switches, Port Server and Remote Power Management Switch for Automation Set up.
• Performing a Device Recovery through Device Health Checker or through manual recovery.
• Provisioning and installation of Video devices like Xi5, Xi6 for video streaming for Automation Purpose.
• Knowledge in Cisco ISE .
• Worked on Wireshark in Packet Capturing and troubleshooting issues based on the capture.

Confidential

Network Infra Consultant

Responsibilities:

• Monitoring of Tickets in Remedy tool to avoid SLA breach
• Configuration of Higher end Switches, Routers including backup routers.
• Monitoring of various Network devices through Orion Tool and preparing monthly Utilization Reports and Availability Reports.
• Solving Low, medium, high and critical incidents through Remedy Tool and solving the tickets within the SLA.
• Preparing Design documents for various Opco’s which includes physical and logical network diagrams through Visio.
• Raised a Ticket with ISP regarding WAN outage and following up with them for resolution.
• Providing End to End Support for the Clients and solving their queries.
• Knowledge in Wireless, standards, Docsis and Cable modems
• Involved in Switching Technology Administration including creating and managing VLANs, Port security, Trunking, STP, InterVlan routing and LAN security.
• Responsible for entire LAN and WAN maintenance 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.
• Experience working with BGP attributes such as Weight, Local-Preference, MED and AS-PATH to influence inbound and out bound traffic
• Use and maintain routing protocols EIGRP, OSPF and BGP and also worked on BGP Route Reflectors, Confederations
• Deployed a large-scale HSRP solution to improve the uptime of collocation customers, in the event a core router became unreachable.

Confidential

Network Engineer

Responsibilities:

• HSRP Implementation in Core A & Core B (6509 )for Router redundancy
• EIGRP configuration in Core Switches (6509 ) for Site to Site Communication
• MPLS implementation in Cisco 3750 Router for BOI & HCLIBS Process using BGP
• Performing Site to Site DR & Process wise BCP Testing every month
• Handling Service Tickets, Incidents & CMF using HP Open View
• Monitoring & Analyzing Metro Ethernet & Internet Links using Solar Winds
• Managing & Maintaining Weekly Devices Backup for all Network Devices
• Handling TACACS Administration and generating reports using ACS
• Coordinating with Various ISP’s regarding Internet related issues.
• Site to Site VPN Configuration for various clients in ASA Firewall (5500 )
• Configured HSRP and VLAN trucking 802.1Q, VLAN Routing on Catalyst 6500 switches
• Optimized performance of the WANnetworkconsisting of Cisco 3550/4500/6500 switches by configuring VLANs
• WAN Infrastructure running OSPF & BGP as core routing protocol.
• Configured BPDU Guard, port-fast, uplink fast and other spanning tree features
• Configured Security policies including NAT, PAT, VPN, Route-maps and Access Control Lists
• Design and implementation of Networks using TCP/IP
• Access control server configuration for RADIUS & TACAS+.
• Experience in Network Management Tools and sniffers like SNMP, HP-Open view, Wireshark and Cisco works to support 24 x 7 Network Operation Center

Confidential

Network Admin

Responsibilities:

• Handling Daily Service Calls using regarding LAN & WAN related issues.
• Installation & Configuration of Cisco 2950 & 4500 Switches
• Site to Site VPN Configuration for Team Health Project in ASA 5500.
• Cisco IOS Up gradation in Cisco 2950 Switches
• Maintaining Documentation Work for LAN & WAN.
• Coordinating with ISP & Troubleshooting ISP related issues.
• Maintaining Network diagram’s for process using Visio Tool
• AAA Configuration Cisco 2950 Switches.
• Follow process & procedures for change & configuration management
• Supported nationwide LAN infrastructure consisting ofCisco4510 and catalyst 6513
• Design and implementation of Networks using TCP/IP
• Configuring RIP, OSPF and Static routing on Cisco series Routers

Confidential

Network Admin

Responsibilities:

• Configuration of 2600 Routers for accessing Internet.
• Sonic Firewall & Pix Firewall Configuration with vpn
• Design and configuring of OSPF, BGP on Cisco Routers.
• ASA Firewall 5520 Configurations.
• Configuration of ISDN BRI in Router 1700.
• HP Procurve Switch (5406ZL & 2626) Configuration.
• Monitoring HP Procurve Switches Using Procurve Manager.
• Troubleshooting 1900, 2900 & 3500 Switches & Routers.
• Troubleshooting Frame-Relay & ISDN.
• Troubleshooting VLAN & VTP

Confidential

System Engineer

Responsibilities:

• Configuration of Frame-Relay & ISDN.
• Configuration of WAN Protocols (PPP, CHAP, PAP).
• Troubleshooting 1900, 2900 & 3500 Switches & Routers.
• Troubleshooting Frame-Relay & ISDN.
• Troubleshooting VLAN & VTP.
• Knowledge in Subnetting Concepts & VLSM Concepts.
• Configuration of various Switches & Routers.

Confidential

Service Engineer

Responsibilities:

• Knowledge in IP addressing and subnetting.
• Experience in routing protocols like RIP, BGP, EIGRP, and OSPF
• Experience in configuration of Cisco Switches and Routers.
• Switching Technology & Firewalls.
• Configuration & Troubleshooting of VLAN & VTP.
• Knowledge in ITIL Process.

Confidential

System Engineer

Responsibilities:

• Good understanding of OSI Model, TCP/IP protocol suite (IP, ARP, ICMP, TCP, UDP, SNMP, FTP, TFTP).
• Bridging and switching concepts, LAN technologies.
• IP addressing and subnetting, Routing concepts, VLSM/CIDR.
• Working knowledge with routing protocols - RIP, OSPF, and EIGRP.
• Troubleshooting Internet issues & outlook Problems.
• Installation & Troubleshooting of various Operating Systems.
• Installation & updating of Antivirus.