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Click here or scroll down to respond to this candidateDwaraganath VJ
Senior Network Engineer
Phone: PHONE NUMBER AVAILABLE Email ID: EMAIL AVAILABLE
Candidate's Name 14+ years of experience in Network & Security. Worked extensively in infrastructure management services in production environment and data center engineering and operations. Hands on network security implantation for data centres.
IT Certifications
Cisco Certified Network Associate (CCNA)
CCNA Security
Splunk Certificate
Cisco Certified Network Professional (CCNP Routing & Switching)
Information Technology Infrastructure Library(ITIL)
Technical summary:-
Handling, managing and capable of supporting routing protocols like EIGRP, OSPF, BGP, MPLS.
Hands on experience in Cisco ASA firewall.
Experience with Cisco firewall support and troubleshooting
Experience with access control, intrusion protection, and protocol analysis
Experience with IDS/IPS
Experience with security management tools
Experience with Nexpose Vulnerability Assessment tool.
Experience with Wire shark tool
Knowledge of multi-site LAN/WAN
Involved IOS upgradations for Router,Switches security devices.
Performing NAT rules & access lists in firewalls, routers in order to establish the connectivity between internal and external network.
Configured and troubleshooting Site-Site VPN s, in Cisco routers, firewalls
Monitoring, analysing & reporting network traffic events and 3-way Handshake process on Real Time Monitoring on Cisco Firewalls.
Involved in log correlation activities in SIEM tools like Splunk,Tufin
Configuring & Monitoring of Dynamic & Static Routing on Cisco routers.
Configured and managing of Lease Lines, GRE tunnels, CDMA etc
Experience in layer-3 Routing and Nexus models like 5K, 7K, and 2K series.
Capable of handling Switching Configuration like Vlan, Trunking, VTP, STP, RSTP, Port-Security, HSRP, VRRP, GLBP
Handled load-balancing in CSM (Content Switching Module) and analysed connections between servers and clients according to the business requirement.
Working Knowledge in F5 Balancers (LTM & GTM)
Involved in configuring Cisco Access Points and WLAN controllers.
Maintained configuration backups for all network and security devices in periodic intervals.
Involved in various features & services HSRP, NAT, SNMP, SYSLOG, NTP, DHCP, CDP, DNS, TFTP and FTP Management.
Configure & support Firewalls, Content Engines, Intrusion Detection or Prevention Systems
Evaluate & design Firewalls, Content Engines, Intruder Detection or Prevention Systems
Troubleshoot connectivity issues to determine relation to security tools and resolve if necessary
Review network designs and evaluate compliance to applicable security standards
Define and enforce controlled access to corporate security zones as required
Participates in the production or modification of disaster recovery and business continuity work practices
Interact and negotiate with vendors, cloud services and contractors to obtain protection services and products
Provide on-call security support
Recommend, schedule and perform security improvements, upgrades and/or purchases
Responsible to rise and implement necessary changes, requests as per ITIL Standards for all network and devices in IT infrastructure and data centres.
Professional Experience
Environment:
Wisconsin Department Of Justice. Madison, WI, USA
January 2016 Till Date
Senior Network Engineer
Project Description:
The Wisconsin Department of Justice is a state law enforcement agency with jurisdiction throughout the state of Wisconsin. The WDoJ manages the state's crime labs, and investigates major crimes involving, among other things, illegal drugs, fugitives, public corruption, official misconduct, organized crime, domestic terrorism, Medicaid fraud and patient abuse. The agency provides legal advice and representation, criminal investigation, and other law enforcement services for the state. The department consists of: the Division of Criminal Investigation, Division of Law Enforcement Services, Division of Legal Services, Division of Management Services, Office of Crime Victim Services etc.
Role & Responsibilities:
Experience with Cisco firewall support and troubleshooting
Experience with access control, intrusion protection, and protocol analysis
Experience with IDS/IPS
Experience with security management tools
Experience with information services
Knowledge of multi-site LAN/WAN
Site to Site VPN setup using Cisa ASA firewall.
Working on Context based Cisco ASA firewall and zone based firewall
Established OTV technology on ASR routers between DC and DR locations.
Working on solutions to migrate data center to evolve new data center and disaster recovery plans by meeting the compliance standards.
Single point of contact for Data center Nexus switches
Nexus 7k, 5k, 2k Implementation and Management
Implemented contexting, Failover, NAT functionality, Access rules in DC and DR enterprise firewalls like ASA 5580 and in other all Cisco firewalls which are located in different locations.
Working on Routing Protocol Eigrp,OSPF,BGP
Site to site VPN tunnels build for remote sites.
Implemented core switching technology in Nexus switches.
Various DMVPN tunnels are configured to access different web services with 3 party vendors and different sheriff's offices.
Involved to advertise required routes, networks and subnets from Department of Administration.
Point of contact for Network Security operations for various divisions, departments.
SLA Management
Working with various vendors
Using Tufin for analysing Firewall traffic and troubleshooting.
Using Splunk tool for analysing Firewall traffic and troubleshooting.
Using Cisco prime for Managing all the Network devices and auto configuration backup
Wireless troubleshooting skills
F5 Load balancer Troubleshooting skills.
Client:
W.W. Grainger IL, USA
July 2013 Jan 2016
Senior Network Engineer
Role & Responsibilities:
Working Knowledge in MPLS Network
Nexus 7k, 5k, 2k Implementation and Management
Installing, configuring Cisco Catalyst switches 6500, 3750 & 3550 series and configured routing protocol OSPF, EIGRP, BGP with Access Control lists implemented as per Network Design.
Designing and deploying EIGRP, OSPF, BGP, DMVPN protocols and routing technologies for connecting data center to remote locations.
Working Knowledge in Cisco ASA firewall
Working knowledge in IPSec and GRE site to site VPN tunneling
Working Knowledge in TCP/IP
Experience in configuring, upgrading and verifying the NX-OS operation system.
DHCP Management and IP address Management.
Implementation of Access Lists for allowing/blocking desired traffic.
Network redesign and configuration WAN and LAN infrastructure utilizing redundant Cisco ASA firewalls, Cisco switches and routers over MPLS and VPN connectivity.
Involved in complete LAN, WAN development (including IP address planning, designing, installation, configuration, testing, maintenance etc.).
Possess good experience in configuring and troubleshooting WAN technologies like MPLS, T1, DS3
Expertise in maintenance of layer 2 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
Strong knowledge on networking concepts like TCP/IP, Routing and Switching
Involved in Switching Technology Administration including creating and managing VLANs, Port security, Trunking, STP, InterVlan routing and LAN security.
Configuring VLANs/routing/NATing with the firewalls as per the network design.
Performing network monitoring, providing analysis using various tools like WireShark, Solar winds Netscout etc
Working experience in DNS, DHCP, SMTP, SNMP, & NTP
SLA Management
Team Management skills
Client:
Target Corporation MN, USA
May 2012 July 2013
Onsite Network Lead
Role & Responsibilities:
Implementing the necessary changes such as adding, moving and changing as per the requirements of business lines in a data center environment.
Worked on checkpoint smart view tracker for verifing firewall logs.
Managing Large Network team members
Managing 25 members offshore and onsite
Implemented with Cisco Layer 3 switches 3750, 4500, 6500 in multi VLAN environment with the use of inter-VLAN routing, HSRP, ISL trunk, ether channel.
Wireless Network Management
DHCP Management and IP address Management
Configured IP, EIGRP and OSPF in routers. Configured and installed multi-protocol (IP, IPX) multi-interface Cisco routers.
Work experience in Checkpoint firewall
Experience working with Cisco Nexus 2148 Fabric Extender and Nexus 5000 series to provide a Flexible Access Solution for datacenter access architecture.
Experience configuring Virtual Device Context in Nexus 7010
Deploying and decommission of VLANs on core IOS switches
Provide Tier III Level Load Balancer expertise on F5 BigIP Local Traffic Managers (LTM). Designing F5 solutions/support for migration work of applications and websites from Cisco CSS Load Balancers to the F5 BigIP Load Balancers.
Responsible for Checkpoint firewall management and operations across our global networks.
Client:
General Motors - Michigan,USA
April2012 May 2012 (Onsite- Warren, Michigan)
April 2011 to April 2012 (Offshore- Chennai, India)
Senior Network Engineer
Role & Responsibilities:
Experienced with manipulating various BGP attributes such as Local Preference, MED, Extended Communities,
Experience in working with Cisco Nexus series switches in data center.
Performed and configured VLANs
Working Knowledge in Cisco ASA firewall
Working knowledge in IPSec
Managing Large Network team members
Involved in the configuration & troubleshooting of routing protocols: MP-BGP, OSPF, LDP, EIGRP, RIP, BGP v4. Configured IP access filter policies.
Configuring HSRP between VLANs, Configuring Ether-Channels, Port Channel on 6500 catalyst
Having Data Center Design Experience, installing and Configuring Network Devices in a Data Center including patching the cables in the Patch Panel.
Used IPSec VPN tunneling to provide access to user machines and partners in other network. Provided application level redundancy and availability by deploying F5 load balancers LTM.
Assisted in MPLS migrations, implemented a backup for the existing WAN connection using site-to-site IP sec VPN tunnels.
Configured and installed 6500, 4500 in Campus networks.
Switches Replace branch hardware with new 2851 routers and 2960 switches.
Worked on converting WAN routing from OSPF to BGP (OSPF is used for local routing only) which involves new WAN links and Branch WAN links from TDM circuits to MPLS.
Involved in Configuration of Access lists (ACL) on ASA firewall for the proper network routing for the B2B network connectivity.
To secure configurations of load balancing in F5, SSL/VPN connections, Troubleshooting CISCO ASA firewalls and building the VPN tunnel and VPN encryption.
Worked with CISCO IOS and IOS-XR OS.
Designed and implemented DMZ for Web servers, Mail servers & FTP Servers using Cisco ASA 5500 Firewalls.
Client:
Electro-Motive Diesels Inc.,
March 2009 March 2011 (Offshore India)
Network Lead
Role & Responsibilities:
Worked on Cisco Layer 2 switches (spanning tree, VLAN).
Configured HSRP and VLAN trucking 802.1Q, VLAN Routing on Catalyst 6500 switches.
WAN Infrastructure running OSPF & BGP as core routing protocol.
Configuration and troubleshooting of Cisco 2500, 2600, 3000, 6500, 7500, 7200 Series routers.
Optimized performance of the WAN network consisting of Cisco PHONE NUMBER AVAILABLE
catalyst 6505, 4500, 3550 switches with various VLAN.
Troubleshooting IOS related bugs based on past history and appropriate release notes.
Worked on different connection medium like Fiber and Copper Connectivity.
In-depth expertise in the implementation of analysis, optimization, troubleshooting and documentation of LAN/WAN networking systems.
Planning and configuring the routing protocol
Client:
TCS Internal project Network support
February 2007 March 2009 (Offshore India)
Network Engineer
Role & Responsibilities:
Worked on Cisco routers 7200, 3700 and Cisco switches 4900, 2900
Key contributions include troubleshooting of complex LAN/WAN infrastructure.
Configured Firewall logging, DMZs & related security policies & monitoring
Creating Private VLANs & preventing VLAN hopping attacks & mitigating spoofing with snooping & IP source guard
Installed and configured Cisco PIX 535 series firewall and configured remote access IPSEC VPN on Cisco PIX Firewall.
Enabled STP Enhancements to speed up the network convergence that include Port-fast, Uplink-fast and Backbone-fa
Establishing VPN Tunnels using IPSec encryption standards and also configuring and implementing site-to-site VPN, Remote VPN.
Configured network access servers and routers for AAA Security (RADIUS/ TACACS+)
Responsible for Configuring SITE_TO_SITE VPN on Cisco Routers between Head Quarters and Branch locations
Client:
Satyam Computer Services
October 2004 - February 2007 (offshore India)
Network Engineer
Role & Responsibilities:
Frame relay Network Management
IP Routing. (RIP, EIGRP, OSPF).
Configuring Encryption on GRE tunnels as well Serial interface using Cisco Routers,
Vlan Management
Site to site VPN tunnels and client to site VPN tunnels created for multiple projects.
Cisco switches Management
Router Audit tool for Maintaining Security standards
ISDN Configuration and trouble shooting
MRTG, CA Unicenter
Client:
Financial Software and Systems(FSS)
July 2004 - September 2004
Network Administrator
Role & Responsibilities:
Provided estimated bandwidth requirements for data replication, to best determine adequate timing for migration service levels
Configuring HSRP between VLANs, Configuring Ether-Channels, Port Channel on 6500 catalyst
Switches Replace branch hardware with new 2851 routers and 2960 switches.
Configuring/Troubleshoot issues with the following types of routers Cisco (7200, 6500, 4500, 1700, 2600 and 3500 series), to include: bridging, switching, routing, Ethernet, NAT, and DHCP, as well as assisting with customer LAN /MAN, router/firewalls.
Wrote IOS upgrade procedures and Pre/Post checks for customer production upgrades.
Actively participated in upgrading fast Ethernet, Layer 3 switched/routed LAN infrastructure from Cisco 3640 to Cisco 2811 ISR routers and switches at access level to 2950, 3550.
Configuring Vlan s, VTP s, enabling trunks between switches.
Client:
Wipro Authorized Franchisee
October 2003 - July 2004(Offshore India)
Network Administrator
Role & Responsibilities:
ING vysya Bank Data center Network support
OSPF Routing Protocol
Implementing and Administration WAN
Network and maintaining CISCO Routers,
E1 Lines, PRI Lines, BRI Lines, and Leased Line Modems
Implement Internet Connectivity through Leased Lines,
ISDN Configuration
DDR configuration
Client:
DNC communication
May 2000 October 2003
Project Manager
Role & Responsibilities:
Network implementation & Troubleshooting of MAN & WAN for Branches of LIC interconnections within Kerala Region.
Cisco Routers (1700,3600) and Modems (RAD ASM20/ASM31) were used as communication devices with Leased Line medium.
Installing/Configuring & Troubleshooting of Cisco Routers and Cisco switches |
