Rajesh Gurunathan

Mobile: +91 8056181219 Email: rajesh.guru21@gmail.com

Professional Summary

Highly motivated quick learner, team player and success oriented professional seeking a challenging position to contribute my skills and knowledge in the advanced technologies of Networking, Network Security & Information Security in a dynamic and performance oriented organization.

Having 5.2 Years of extensive professional experience in Networking and Network Security providing operations and project support for the customers across Retail, Banking, Finance and Insurance sectors. Strong understanding in ITIL service delivery standards, problem management, change management and customer support. Excellent problem analysis and troubleshooting skills. Proven strengths in effective work-flow management and team work. Internal training and process consultancy are supplementary skill sets to my profile.

IT Qualifications● Cisco Certified Network Associate (CCNA)● Cisco Building Cisco Multilayer Switched Networks (CCNP-Switching)● Cisco Certified Network Professional (CCNP – Route)● Juniper Networks Certified Internet Specialist (JNCIS-FWV)● Check Point Certified Security Administrator (CCSA)

● Arc sight Certified Security Analysist HP0-M54 (ACSA)● Preparing for Q_ Radar SIEM.

Technical Skills

Networking HardwareRouters: Cisco 2600/2800/3500 Switches: Cisco 6509/6506/6504/4506/3750, Nexus 5K (5010), 2K SeriesFirewalls: Checkpoint, Juniper firewall SSG550M, Cisco ASA 5510/5520, Fortinet 100DWireless: Cisco Controller 5500, Access point (Cisco Air LAP1142N)Authentication: Cisco Secure ACS.Security Analysis: Arc sight r71, Q_ Radar

SecurityVPNs (Site-to-Site, IPsec, Remote Access), Access Lists, Cisco VPN Concentrator, Cisco PIX / ASA Firewalls, Cisco VPN Client, Juniper Netscreen Firewalls, Checkpoint R75, Arcsight ESM, Arcsight Logger, Arcsight FlexConnectors, Monitoring and analysing Event logs

RoutingStatic Routing, RIPv1, RIPv2, IGRP, EIGRP, OSPF, BGP, Policy Based Routing PBR, Route Filtering, Redistribution, Summarization

Switching & BridgingCatalyst CatOS and IOS based Switches, VTP, STP, MST, RSTP+, Trunking, VLANs, Layer 3 Switches, and Logical Ether Channels. Nexus FEX, Port profile , Nexus VDC and VPC

LANMedia: Ethernet, Fast Ethernet, Gigabit Ethernet.Network Analyzers: Ethereal and Wireshark

Various Features & ServicesIOS and CatOS Features, HSRP, BLGP, NAT, SNMP, SYSLOG, NTP, DHCP, CDP, DNS, HTTP, TFTP and FTP Management.

Network Monitoring and Management SystemsHP-Open view, Netflow analyser, MRTG, PRTG, Kiwi syslog and Cattools (for backup)

Work ExperienceTechnical Associate – Network Security and Arcsight Analyst (Apr ‘22nd 2013 – Present)3i_Infotech Ltd, Chennai.

● Managing corporate and customer firewalls such as Juniper, Checkpoint & Fortinet firewalls, ● Managing the Cisco layer 2 stack switches (3750 & 2960) and the core Nexus switches..● Monitoring the WAN, LAN and Communication devices through Manage engine, syslog, HP NNM

and PRTG. Coordinating with Vendors or ISPs in case of issues on the WAN pipes.● Involved in troubleshooting issues on the communication devices and making firewall changes to

provide access to the DMZ servers on demand basis through the ticketing system.● Logging Change request for significant changes in the network domain and getting approval

through Change Advisory Board to implement them.● Installing and troubleshooting Router, Firewall based Site-to-Site VPN and switch stacks on the

DMZ environments● Have been involved in various projects from the designing and planning phase and implementing

them as planned on the scheduled window such as Firewall & switch upgrades and implementing Nexus VDC on the production network.

● Configuring and updating the IPS signature, DOS profile, application & file filtering profile, UTM profiles.

● Documentation: Visio diagrams (low and high levels), CMDB updates. To name some – Master Inventory spreadsheet and Firewall request form etc.

● Representing changes for the execution of the firewalls and switches upgrades as a part of refresh project. Successfully upgraded the ScreenOS on the Juniper SSG550M and IOS images to the recommended newer version on the Cisco Switches.

● Monitor security events using the Arc Sight Console and Web Console. ● Actions against correlated events such as notifying stakeholders, case creation, automatic

security incident logging in the internal ticketing system, graphical analysis and remediation.● Build or use standard content to correlate, view and respond to security incidents.● Involved in deployment and maintaining the Arc Sight network model to accurately build content,

view and report on security incidents.● Content development, which includes Filters, Rules, Data Monitors, Active Channels, Active list,

Session list, Trends, Reports etc..

Network Engineer – Networks & Security (Aug ’01st 2012 – Apr ’20th 2013)Adecco Private Ltd.,(Tata Communication Limited) Chennai.

● Deputed for a Multinational IT firm (Tata Communication Limited) located in Chennai● A Change Management Team resource based out of TCL’s Global Service Delivery Center

providing Networks & Security services to a well reputed Client based firm .● Key ownership of Remote Access solution and Cisco/Check Point Firewalls. Ownership of the

onsite and offshore Disaster Recovery tests.● Managing and maintaining Check Point, Nokia and Cisco ASA Firewalls for security rules, VPNs

by following ITIL processes like service requests and change management while adhering to the SLAs.

● Liaising with Information Security team for 3rd party VPN set-ups, approvals, configuration changes to meet business needs aligning with the Company Security Policies.

● Played a key role in the firewall upgrades. Successfully upgraded the Checkpoint images to recommended newer versions with upgrade to Check Point R76 with latest HFA.

● Successful migration of business critical web servers to a separate DMZ for PCI compliance.● Vendor coordination in support of various security products viz. Check Point, Fortinet,

WAN/MPLS for service issues, maintenance activities and upgrades etc.● Also responsible for assorted Networks tasks viz. Network monitoring and checks, Routing

changes, Switch installations, ACL configurations etc. .● Providing on-call support and standby cover for incidents/changes/maintenance activities

affecting IT and business services.

Network Engineer –(Network Operations Center) Care IT Solutions (Mar ‘08th 2011 – Jul ‘28th 2012)(Information Technology and Services industry)

● Deputed for a Multinational IT firm (Wipro Technologies – http://www.wipro.com) located in Chennai.

● Being a part of Network Operation Center, managing around 246 Client networks at 7 various locations in Chennai and other regions in all over India

● Clients WAN link bandwidth management and monitoring.

● Identifying LAN and WAN faults and getting them resolved. Coordinating with respective ISPs, vendors for any vendor related issues/problems.

● Working in Tickets raised by the users.

● Installing and troubleshooting Router, Pix based Site-Site VPN and Remote Access VPN (C2S).

● Managing VPN concentrators for the Offshore Development Centers.

● Implementation of New Projects in co-ordination with the internal and onsite team. ● Co-ordination with Global Team in case of critical Network Outages.

● Providing regular updates and feedbacks on NOC operations.

● Tracking the Customer end device Changes.

● Vendor management in terms of coordinating with Vendor for the WAN/MPLS circuit, hardware issues and making sure to maintain high availability on the services

● Recommended various change managements proactively to enhance the network performance for the customers thereby gaining further knowledge on Change request.

Service Engineer – Perfect Computer Services (Jul‘10th 2010 – Mar ‘07th 2011))(Hardware & Software Support and Services Industry)

● Assembling and installing all types of PC’s with any configuration.● Installing Operating systems and establishing Network (LAN) setup to connecting under

workgroup or DNS and providing WAN settings.● Involved in various stages of troubleshooting in systems, LAN and Hardware problems including

all types of printers.● Handling Antivirus Software’s such as Norton Antivirus, AVG Edition, MacAfee● Configuring Windows backup and enabling fragmentation for the better usage of storage devices. ● Job including domestic client support in terms of installing, servicing and maintaining the assets

which covers under contact● Deploying and managing additional Domain Controllers and promoting as an AD server for the

designated Domain and enabling Database servers for the accounts software (Tally)

Education

● B.E., in Electronics & communication Engineering (2006-2010), Mount Zion College of Engineering &

Technology, Pudukkottai with 66 % aggregate.

● HSC in A.P. Govt. Hr. Sec. School (2006), Tamil Nadu State board with 67.3% aggregate.

● SSLC in A.P. Govt. Hr. Sec. School (2004), Tamil Nadu State board with 87.8% aggregate

Personal Strengths

● Ability and willingness to learn things with positive frame of mind and apply them in the interest of the team/department.

● Hardworking, flexible and a passionate team player. ● Prepared to give more than 100% every single time● Excellent customer handling and vendor coordination skills.

Personal Details:● Gender : Male● Father Name : Gurunathan A● Date of Birth : 08_06_1989● Age : 26 Years● Nationality : Indian● Languages : English and Tamil● Marital Status : Single

Declaration:I affirm that all the information given above is true to my knowledge and I’ll do my best.

Date:

Place: Chennai (Rajesh Gurunathan)