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1. Sudharsan Rangasamy
Specific Expertise
Extensive experience in the IT industry, with over 8 years of experience in Network and
security. Expertise in Networking engineering design (data / security) and Capable of
designing, implementing and maintaining highly functional scalable networks using a
comprehensive knowledge of LAN and WAN technologies. Responsible of the
engineering, configuration, installation and administration of LAN & WAN networks
switched and firewall in secure channel.
Computer System Experience:
Operating system Windows XP, 7, 8, 8.1, Windows server 2K/2K3/2K8
Routers Cisco 7200 Series, 3600, 3845, 3945, 1800.
Switches 6509,6506,4507,4506, 3750, ME 3750, 2960, 2950, Nexus 5K, 7K.
Firewalls / Proxy ASA 55XX Series, FWSM, Palo Alto, Checkpoint, Fortinet, Bluecoat SG / AV,
Net screen.
Routing Protocols OSPF , EIGRP , BGP
Load Balancer Radware LLB, F5 LTM, Cisco ACE
Other devices and
Protocols
Cisco UCSM (Cisco UCSM firmware fabric interconnect),UTM Firewall,
Multi Context Firewall, S2S, SSL, VRF, VPC, VSS, VTP, STP, PVSTP+, HSRP,
Ether channel, OTV, FCoE, OSPF.
Tools & Certifications Remedy Tool, SAP CRM, AOTS, Salesforce.
Cisco Certified Network Associates
Cisco Certified Securing Networks with ASA Foundation
Cisco Certified Deploying Cisco ASA VPN Solutions
Certified ITIL Foundations
Professional Experience
14th
JAN 2015 – As of date XORIANT SOLUTIONS TECHNICAL LEAD
Project I SAP Mobile Services.
Description SAP Mobile Services is the global leader, in enabling mobile information services for
mobile operators, financial institutions and enterprises. It provides customers the
widest offering in SMS, MMS, GRX, IPX Interoperability and innovative mobile consumer
engagement services. SAP Mobile Services processes more than 1.8 billion messages per
day reaching more than 1010 operators and 6.1 billion connections around the world
Deputed to manage the network infrastructure for SAP Mobile Services datacenters
scattered across the globe.
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2. Contribution
 Implementing & troubleshooting the various devices including Cisco cat switches,
Nexus, Cisco ASA Firewall across SAP MS datacenters.
 Implemented New COLO datacenter in Singapore from the base level and build
several device from base configuration to project go live and implemented for
several mobile operator connections in SAP Sybase Singapore.
 Maintenance and operational support in areas of firewall and network security
infrastructure on a daily basis.
 Leading and executing major data centers and Service migration activities for Legacy
to next generation infrastructures.
 Configuring and Troubleshooting CISCO ASA firewall 5500 series and 5500-x next
generation firewall series access filtering, VPN (S2S), Syslog, CSS switch, PRTG Tool
IPAM Tool, SAP CRM tool, ACS.
 Configuring and troubleshooting of WAN and LAN infrastructure devices.
 Configuring the VPN S2S setup and maintaining and troubleshooting.
 Maintain Inter Data center connectivity Through VPN and MPLS.
 Performing L2/L3 troubleshooting on A2P and P2P messaging (SMPP, MMS) services
traversing network devices.
Environment Cisco ASR routers , Nexus 5,7& 9 K Switches , Cisco 6500,4500,3500 series switches ,
Cisco 7206 , 3845 and ASR Routers , Cisco ASA 5500 and 5500–X firewall, SAP CRM ,
Cisco ACS, PRTG.
10th
Jan 2014 – 12th
Jan 2015 JDA Software Pvt Ltd Sr Technical consultant
Project I Cloud Services
Description Senior Network and Security Engineer to implement complex network solutions in cloud
services on supply chain industries across globe (USA / SINGAPORE / Mexico), with
responsibility for implementation, verification and documentation and provisioning new
solution based on various cloud supply chain products.
Contribution
 Managing the Cloud Service infrastructure for JDA Supply chain across global
locations with Geo Redundancy. Implementing & troubleshooting the various
devices which involve Cisco Catalyst switches, Nexus Switches 5k, 7K, Cisco ASA Next
Gen Firewall, Palo Alto, and BIG-IP F5 LTM.
 Responsible to provide maintenance and operational support in areas of firewall
and network security infrastructure on a daily basis.
 Configuring and troubleshooting the next generation firewall with Botnet filtering.
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3.  Leading and Handling major data centers and Service migration of various Supply
chain application thorough Legacy to Cloud services.
 Configuring and Troubleshooting Checkpoint, CISCO ASA firewall 5500 series and
5500-x next generation firewall series access filtering.
 Configuring and troubleshooting CISCO 5500-X Multi context firewall.
 Configuring and troubleshooting next generation NEXUS switches 5K, 7K with VPC,
OTV with VDC context.
 Configuring and troubleshooting BIG-IP F5 Load balancer (LTM), with various I rule
for various application platforms in supply chain with round robin and least
connection method.
 Exposing the Application through F5 with HTTP and HTTPS.
 Configuring and troubleshooting UCSM fabric interconnection with multiple chassis
and SAN configuration.
 Configuring the VPN S2S, SSL, C2S setup and maintaining and troubleshooting.
 Migrating data centers with next generation switches and firewalls.
 Maintain Inter Data center connectivity (VPN/DS3/MPLS).
 Provide training for internal and level-1 and leve-2 engineers.
 Hardware OS upgrade and migration.
 Configuring and Performing pro-active alarm monitoring on NMC
 Performing L1/L2/L3 troubleshooting network devices. Including switches, firewalls,
servers, load balancer LTM.
 Configuring and maintaining Network devices backup and restore services.
 Enforcement of Service Level Agreement process across the region
 Pre/post- sales and daily operation support/troubleshooting/consultation.
Environment Cisco ASR routers , Nexus 5,7& 9 K Switches , Cisco 6500,4500,3500 series switches ,
Cisco 7206 , 3845 and ASR Routers , Cisco FWSM, ASA 5500 and 5500–X firewall,
Salesforce , Cisco ACS, Raritan. F5 LTM, Palo Alto.
26th
June 2013 to 9th
Jan 2014 Aditya Birla Minacs worldwide Technical Lead
Project I SAP Mobile Services.
Description SAP Mobile Services is the global leader, in enabling mobile information services for
mobile operators, financial institutions and enterprises. It provides customers the
widest offering in SMS, MMS, GRX, IPX Interoperability and innovative mobile consumer
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4. engagement services. SAP Mobile Services processes more than 1.8 billion messages per
day reaching more than 1010 operators and 6.1 billion connections around the world
Deputed to manage the network infrastructure for SAP Mobile Services datacenters
scattered across the globe.
Contribution
 Managing the network infrastructure for SAP Mobile Services across global
locations, implementing & troubleshooting the various devices which involve Cisco
Catalyst switches, Cisco ASA Firewall, on Various Datacenters in Singapore, France,
USA, UK, and Switzerland.
 Responsible to provide maintenance and operational support in areas of firewall
and network security infrastructure on a daily basis.
 Leading and Handling major data centers and Service migration for Legacy to next
generation.
 Configuring and Troubleshooting CISCO ASA firewall 5500 series and 5500-x next
generation firewall series access filtering, VPN (S2S), Syslog, CSS switch, PRTG Tool
IPAM Tool, SAP CRM tool, ACS, Operator Gateway.
 Configuring and troubleshooting Cisco switches
 Configuring the VPN S2S setup and maintaining and troubleshooting.
 Migrating data centers with next generation switches and firewalls.
 Maintain Inter Data center connectivity Through VPN and MPLS.
 Configure and troubleshooting L2 and L3 STP/VTP.
 Coordinating with Onshore team with daily basis work.
 Performing L1/L2/L3 troubleshooting on A2P and P2P messaging (SMPP, MMS)
network devices. Including switches, firewalls, and servers.
 Configuring and maintaining Network devices backup and restore services.
 Enforcement of Service Level Agreement process across the region.
Environment Cisco ASR routers , Nexus 5K,7K Switches , Cisco 6500,4500,3500 series switches , Cisco
7206 , 3845 and ASR Routers , Cisco FWSM, ASA 5500 and 5500–X firewall, SAP CRM,
PRTG.
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5. 15th
Dec 2011 to 16th
June Tata Communications Transformation Services Sr executive
Project I Cable and Wireless Hosting.
Description C&W was the global leader in ISP in UK and it was acquired by Vodafone, TCTS was
providing the hosting solution and design team for C&W and their customers.
Contribution
 Building the Datacenters for several Customers, implementing & troubleshooting
the various devices which involves Cisco Catalyst switches, Nexus Switches 4k,5k,
Cisco ASA Firewall, Checkpoint Firewalls, on Datacenters
 Responsible to provide maintenance and operational support in areas of firewall
and network security infrastructure on a daily basis.
 Installing & Configuring Cisco ASA Firewall 5500 series with VPN and Multi-context,
Checkpoint Firewall (Nokia IPSO) to optimize the networks.
 Configuring and Troubleshooting on IPSEC Virtual Private Network & SSL VPN
Networks. Up-gradation of signature packs.
 Configuring and troubleshooting next generation NEXUS switches 4K, 5K, 7K with
VPC, OTV with VDC context.
 Works together with the solutions design team to provide technical review and
feedback on critical project input documentation. The resulting architecture and
networks are scalable and adaptable enough to evolve with changing customer
requirements.
 Understanding of networking and security product best practices. Capable of
debugging and resolving complex network problems. Well versed in multiple
technology areas; continuously learning new skills where required.
 To conduct the technical analysis of Firewalls, network nodes, LAN/WAN
communications, switches, and various transmission systems
 Provide technical support and guidance to Project Managers, to support the
implementation of new hosting services.
 Provide technical impact assessments for planned changes, and service
amendments, during the early life support phase for new Hosting Services.
 Lead virtual teams of Implementation Engineers to deliver new Hosting services.
Develop and maintain good relationships within the Hosting organization to
facilitate the delivery of new Hosting services.
 Analyze and evaluate technology and network services for current and future
network development
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6.  To support the network systems in areas of configuration and troubleshooting of
network problems.
 Coordinate with vendors to install firewalls, routers, bridges, concentrators and
switches
 Responsible to conduct analysis, prepare reports, and work on project
implementation.
Environment Cisco ASR routers , Nexus 5K,7K Switches , Cisco 6500,4500,3500 series switches , Cisco
7206 , 3845 and ASR Routers , Cisco FWSM, ASA 5500 and 5500–X firewall, Remedy.
4th
May 2009 to 12th
Dec 2011 AT&T Global Network Services Pvt Ltd Sr Engineer
Project I IBM Blue sky.
Description AT&T Inc. is the largest provider of fixed telephony in the United States, and also
provides broadband and subscription television services. AT&T is the second largest
provider of mobile telephony service in the United States, with over 85.1 million
wireless customers, and more than 210 million total customers. Southwestern Bell
Corporation was founded in 1983 as a Regional Bell Operating Company following the
break-up of the original AT&T as a result of the United States v. AT&T antitrust suit.
Contribution
 Provided Tier 2 support for Cisco firewalls.
 Designing and implementation of customer’s network infrastructure.
 Installing and Configuring Cisco firewall ASA( 5505, 5510 ,5520,5540 & 5580) & pix
( 501 , 505E , 506E) , FWSM.
 Troubleshooting vpn & performance related issues in the pix by capturing logs.
 Configuring Active/standby and Active/ Active fail over in ASA.
 Implemented IPSEC Remote Access and l2l vpn, SSL vpn as per the customer
requirements.
 configuring certificate based authentications in firewall
 Implemented the NAT, PAT and policy NAT to protect the local network.
 Configuring traffic filters using Standard and Extended access-lists.
 Prevented TCP flood attacks with access-lists designed with ICMP rate limiting and
TCP intercept on Cisco perimeter firewalls.
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7.  Upgrade Cisco Firewall PIX IOS using TFTP.
 Migrating Pix devices to ASA in customer sites.
 Implemented SNMP on devices for network management.
 Responsible for the Network Management System (NMS) maintenance and the
Database management of the concerned NMS system. The NMS installed and
configured for monitoring the network services includes IP PLAN, Syslog Server.
 Responsible for commissioning / decommissioning and Transition of new accounts.
 Migrated from FWSM to ASA 5580
 Adding rules, Nat and troubleshooting connectivity issues in Checkpoint even.
 Configuring and implementing the devices- IDS, IPS, and AIP-SSM.
28th July 2008 to 31st Dec 2008 SIFY Technologies Associate Engineer
Project I Datacenter.
Description During my tenure in Sify Technology as a Network Switching Engineer - IT, I was given
the responsibility for configuring and maintenances Cisco switches and routers, and
maintaining the Level III Data centers.
Contribution
 Implementation of Leased Line connectivity, Level III Data Center operation and end
to end management which includes HOSTING / BACKUP /SWITCHING functions.
 Worked on restructuring the LAN with VLAN and setting up the ACL on the network.
 Cisco PIX / ASA: VPN (S2S, C2S, and SSL) Solutions.
 Protocols: OSPF, VTP, STP, RSTP, HSRP, etc.
4th
July 2007 to 30th
June 2008 ISMART Associate Engineer
Project I Datacenter.
Description Support engineer for various bank and their networking.
Contribution
 During my tenure in ISMART Global private limited as a Support Engineer – IT for
ABN AMRO & Barclays finance, I was given the responsibility for configuring and
maintenances Cisco switches and Modem, and maintaining the Network for local
users.
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8. Education
 Diploma in Electronics and communication 2001-2004
 B.E, Electronics and communication engineering, 2004-2007
PERSONAL INFORMATION
 Date of Birth : 7th May 1986
 Father's Name : Rangasamy D
 Passport : G9823542
 Nationality : Indian
 E-mail : sudharsanbeece@gmail.com
 Contact Info : +91 9986041385
DECLARATION
I hereby declare that the above-furnished particulars are genuine to the best of my knowledge and
belief.
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