Swaminathan Balasubramanian has over 18 years of experience in networking, core networking, network virtualization, ISP systems administration and e-commerce. He has experience managing teams and leading projects for companies like Tech Mahindra, ATT, British Telecom and Bharti Airtel. Currently he works as a senior technical architect at Tech Mahindra where he is responsible for requirement engineering, network design, testing and troubleshooting for various virtualization and core routing projects.

1. Swaminathan Balasubramanian Phone: +1 425-516-8565
EXPERIENCE SUMMARY
• Over 18 years of experience in Networking, Core networking, Network Virtualization ,
ISP, System admin and Ecommerce with different responsibilities
• Preparing High level solution design documents, Low level design, Scope documents, Test
Design and review, execution and trouble shooting in networking , Virtual platforms &
telecom domain
• Middle level team management (Asst. Manager & Manager) experience of 6 years
• Manage 24/7 operations of DSL networks and Servers
• Hands-on on experience in commissioning and testing Internet / IP Services, CISCO Routers
Configuration (1700,1800, 3600,4000,7000, 10000), Cisco ASR5500, Cisco Switches (2900,3500 , 4500 &
6500) ,Cisco CRS1 and CRS3, Juniper MX960, M320, T640, T1600, IP based DSLAMS (Ericsson &
Siemens) and ATM DSLAMs (Siemens)
• Maintenance of Juniper Edge Routers (ERX 700 & 1400) and Load balancer EX3600.
• Experience with Redback SE800 BB routers
• Strong knowledge & working experience with popular Routing technologies like Frame Relay,
Ethernet RIP, OSPF, BGP, and MPLS.
• Strong knowledge & working experience in Switching technologies like Spanning tree, VLAN, VTP
and Ether channel
• Experience in Testers like Spirent and IXIA
• Knowledge and working experience in IPV6, multicast, QOS, Route Filters and NAT
• Knowledge and working experience in traffic analysis with network snipers like Tcp dump &
ethereal.
• Hands on experience with Cisco & Juniper Load balancers
• Hands-on experience in Brocade ADX, vADX and Vyatta firewalls
• Experience in maintenance of customer traffics through MRTG, What’s up gold Monitoring tools
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2. Swaminathan Balasubramanian Phone: +1 425-516-8565
Devices Handled
Function Device / Hardware
Routers
Cisco CRS-1 & CRS-3, Juniper T-640, T-1600, Tx-Matrix, M-320, Alcatel-
Lucent 7750 SR-12, ASR 5500, Cisco 7000, Cisco 10000 series, Juniper
MX960, Brocade-Serveriron-Loadbalalcers-ADX10K,vADX
BRAS Redback SE800, ERX1440,Alcatel-Lucent 7750 SR12
Switches Cisco 6509 & 6513 virtual switches, Alcatel-Lucent 7750
Operating
Systems
Windows, Cisco-IOS, XOR, NX-OS, JUNOS, SE-OS, RHEL-6.x,
GUI HP-VC, VMware Vsphere Client, HPQC, HUS, Wiki, Screen OS.
Case Tools
Spirent-Maxslam,Maxip, STC,Avalanche-Commander, IXIA-IXload,
IXNetwork, IXExplorer, ANUE, Iperf, Wireshark.
Servers HP-C-7000, HP-DL380P (Gen8 & Gen9) Servers
WORK HISTORY
Duration Organization Designation
August 2008 to till date Techmahindra.Ltd Sr. Technical Architect
November 2007 to August
2008
Netcomm Systems Sr. Technical Consultant
February 2006 to October
2007
Bharti Airtel Ltd Asst. Manager Technical
February 2000 to February
2006
Mercado Online Pvt. Ltd
Technical Manager
April 1997 to January 2000 Micro Academy Pvt. Ltd Senior Technical Engineer
WORK EXPERIENCE
A. TechMahindra Ltd, Bangalore, India.
Sr. Technical Architect Aug 2008 – Till Date.
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3. Swaminathan Balasubramanian Phone: +1 425-516-8565
1. Project: ATT – Network Virtualization Project, U.S.
Sr. Technical Architect and Project Manager - Nov 2014 to till date
Hardware Juniper MX-960, MX-480, QFX-5100
Brocade - ADX10K , vADX, vyatta 5600
HP – Flex Switch, C-7000, DL380P (Esxi 5.5, 6.0 & vCenter
5.5 & 6.0)
Hitachi – HUS110
OS Windows, RHEL6.X
Tools IXIA – IxLoad, IxNetwork & Spirent – STC, Avalanche
As a Sr. Technical Architect and Project Manager responsible for ,
• Requirement engineering, understanding the design, drafting the high level design
• Creating the low level design, test plan design, scheduling, planning.
• Certification and Performance benchmarking of Virtual Load Balancers, Virtual Firewall
• End to end services and performance testing on protocols like LAG,OSPF and BGP
• Certification and Performance benchmarking of control plane applications like DNS,
DHCP, LDAP, NTP etc
• Migrate most of the physical application environment into a virtual platform.
• Traffic generation using IXload, IXnetwork, IXExplorer, Spirent-Avalanche Commander,
Spirent Test center. Etc…
• Defect management, Vendor co-ordination on defects and troubleshooting the issues.
• Responsible for overseeing the Finance, Quality procedures related to the project.
• Client communication with respect to technical and managerial
2. Project: ATT – Core Router Testing, U.S.
Sr. Technical Architect and Project Manager - Aug2013 to Oct 2014
.
As a Sr. Technical Architect and Project Manager responsible for,
• Managing and Leading the team of 15 people in Cisco CRS core router testing and
certification
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Hardware Cisco CRS-1, CRS-3
Tools IXIA – IxLoad, IxNetwork & Spirent - STC

4. Swaminathan Balasubramanian Phone: +1 425-516-8565
• Requirement analysis, Network Design Validation, Network integration,
• Testing the ATT Core network with various vendors of ATT like Cisco ,Juniper etc…
• End to end services testing on protocols like OSPF/BGP /MPLS/QOS/Link-
Bundle/BFD with respect to Cisco CRS-1 & CRS-3
• IOS-XR-Upgrade-Downgrade, ISSU upgrade, etc…
• Multicast/Automatic-Multicast(AMT) etc.. on Cisco CRS-1 & CRS-3 routers for ATT Core
networks.
• Extensive use of testers like IXIA- IxNetwork, IxLoad , Spirent – STC for validating these
technologies.
• IPv6 and 6RD testing with CGSE and CGSE+ cards on CRS1 and CRS3
• Implementation of technical recommendations.
• Test Scope writing
• Test Plan Design and test case review
• BUG Fix verification
• Working with vendors on defects and troubleshooting the issues
3. Project: ATT Neo Zone , U.S
Sr. Technical Architect - March 2012 to July 2013
• Leading the team for end to end services testing on VoLTE Network which includes
Requirement analysis, Network Design Validation and Testing the VOLTE network with
various vendors of ATT like Cisco ,Juniper , Ericson, etc…
• End to end services tested for protocols like LAG,OSPF,BGP ,MPLS,QOS and BFD
• Extensive use of IXIA- IXload for Traffic generation
• Validating latest technologies like Multi-Chassis LAG, Dual LAG on VoLTE Network
equipments.
• Prepared new network technology strategies and implementation recommendations.
• Test Scope writing
• Test Plan Design and test case review
• Test Plan Execution
• BUG Fix verification
• Troubleshooting network issues
• Maintaining test case results on HP QC
4. Project: British Telecom, Adastral Park, Ipswich, UK.
Sr. Test Analyst - October 2008 to Feb 2012
• Leading the team for end to end services testing of Metro Core and Broadband domain
which includes SVCT, MVCT, Regression for new patch and IOS releases of various
vendors of BT like Cisco, Juniper, Alcatel, Redback, Fujitsu, Huawei etc…
• Test design planning, development, reviews, and execute test plans.
• Certify new devices like Routers and Virtual Switches introduced in to the network on
both SVCT and MVCT .
• Work closely with Design team and part of design discussion and review
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5. Swaminathan Balasubramanian Phone: +1 425-516-8565
• Test and certify the new services and features for the network and documents test results.
• E2E network functional , non-functional and inter-operability testing on multivendor
equipment
• Implement, configure and test on multi-vendor environment.
• OS upgrade and testing the new services and features(IOS, IOS-XR, JUNOS , SR OS.)
• Service testing which includes PBR,LAG, Multi-Chassis LAG
RSTP,LACP,dot1q,QinQ,OSPF,BGP , IP/MPLS, QOS, VPN, Ethernet, VPLS , BFD and
security services
• Core network backbone capabilities
• Re-produce live network issues if any and find mitigations through discussion with
vendors & respected teams
• Configure and test dual-stack capability for broadband subscribers
• Ensuring the risks are highlighted & made aware to stakeholders in details
• Discussing in technical forums for reporting the issues/defects through tracking and also
able understand & assess the new changes/modifications in OS
• Troubleshooting and identifying RCA for the products/services defects ranging from
design issues to vendor technology issues
• Handling the hardware related issues
• Implement and test the graceful restart mechanism
• providing support to teams for Proof of Concept
• providing live demo if required for Operations team
• Extensive use of testers like IXIA- IxNetwork, IxExplorer , Spirent - Maxslam,AX4000,
MAXIP
• Support for OSS/BSS
• Maintaining test case results on HP Mercury QC
B. Bharti Airtel Limited (19 Months)
Assistant Manager- Technical
Primary Responsibilities:
• Router /L3 Switches / DSLAM installation / monitoring / maintenance, Local
Bandwidth Monitoring / allotment / planning / Augmentation.
• IP Pool monitoring/ allocation/ configuration, Internet Backbone Bandwidth
Monitoring/Allotment/Planning/Augmentation.
• Manage 24/7 operations of DSL networks.
• Part of Carrier Ethernet Network Design and implementation Team
• Maintain Network Uptime
• Ensure Backup of NE & NMS Server.
• Audit Clearance on Network Security related aspects
• Ensure on time reporting on the network events, MIS, Spares, Inter connectivity issues,
Web TAC issues
• Technical Representative of Billing issues – ensures error-free Bill generation and
metering for customers, analysis of usage pattern of customer base.
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6. Swaminathan Balasubramanian Phone: +1 425-516-8565
• Vendor interaction – Interaction with vendors for new device deployment, network
maintenance and escalation/resolution of core network issues.
• Report generation for Bandwidth utilization, network Expansion, addition of new
customers etc… as per the requirement
• Ensuring the reduction in customer down time
• MSSQL Database maintenance, Backup and restore management
C. Mercado Online Pvt. Ltd (66 Months)
Manager Technical
Primary Responsibilities:
• Installing, configuring, maintaining Cisco and Zyxel routers and Switches
• ISDN installation and configuration
• Installing, configuring and Managing the Leased line, Broadband and LAN network
• Installing and configuring NT windows 98, windows XP, windows 2000 and windows
2003 Server with appropriate service packs
• Installing, configuring, maintaining, updating Exchange 2000 mail Server and Clients
• Installing and maintaining MSSQL 2000 and MSSQL7.0 with appropriate service packs,
creating and managing, import / export, backup / Restore of Database
• Performance monitoring
• Trouble shooting customer related problems
• Training to internal & external (dealers) engineers on products and its applications
D. Micro Academy Pvt. Ltd ( 33 Months)
Senior System Engineer
Client : Wipro Infotech Ltd
• Maintaining LAN and WAN Network
• Link monitoring at all BPCL locations
• Maintaining proxy server, Hubs and Routers
• Monitoring and delivery of mail Q and mails
• Installing NT, Exchange server 5.5, Creating user ids, Maintaining and trouble shooting
• Creating and Configuring X.400 connectors
• Client installation, user training at client locations in southern Regions
• Scheduling replications
• Backup and Restore
• Installing and maintaining Site Server 3.0
• Triggering the updates to other Sites
• Installing, updating Antivirus Server and Clients of Southern regions
• Troubleshooting client problems
• Installing and maintaining Novell NetWare 3.12, and 4.11 server, SCO-Unix
• Implementing and maintaining SFT III on Novell NetWare 4.11
• User creation and permissions
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7. Swaminathan Balasubramanian Phone: +1 425-516-8565
• Installing, Creating mail ids maintaining and troubleshooting in Ms mail
• Maintaining and troubleshooting in all the win95, Unix and NT clients
• Installing, Creating user ids and maintaining Exchange Server 5.5 with service packs
• Installing third party Backup Utility
• User migration from Novell to NT as well as MS Exchange
WORKSHOPS/TRAINING PROGRAMS ATTENDED
• Training on MPLS & Metro Ethernet by Datacraft, Bangalore
ACADEMICS
• Diploma in Electronics and Communications Engineering.
CERTIFICATIONS
CCIE
• CCIE Routing and Switching Qualifier exam
completed(350-001)
• Attempted Routing and Switching LAB Exam Once
CCIE
• CCIE Service Provider Qualifier exam completed(350-
029)
CSVPN • Cisco Secure Virtual Private Networks (CSVPN)
CCNA • Cisco Certified Network Associate
JNCIA • Juniper Network Certified Associate
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