Ravi Chinnasamy has over 20 years of experience in IT with a focus on architecting and managing Microsoft infrastructure solutions. He currently works as a senior IT professional at MTA New York City Transit, where he leads projects involving Microsoft technologies like Azure, Office 365, System Center, and Active Directory. Prior to his current role, he has worked as an IT consultant for various companies, specializing in areas like Exchange administration, virtualization, disaster recovery, and cloud migrations.

1. Ravi Chinnasamy
1 Irene Ct / East Brunswick,NJ 08816 / raveendran@outlook.com /732 307 4872
 An energetic, enthusiastic IT Professional with extensive experience in
architecting infrastructure solutions.
 Experience in every role of technical support analyst, including analysis, design,
system architecture, development, testing, implementation, and maintenance.
 Able to manage and coordinate strong relationships with colleagues and clients
at all levels; flexible and reliable team player with exceptional problem solving
and customer service skills with multi-tasking efficiently.
 Strong analysis skills that include insight on successfully applying technological
solutions and best practices to resolve business issues, while improving overall
efficiency
 Excellence in Scripting with PowerShell and VB Script
 Excellent motivator with the aptitude for assessing corporate needs and
delivering programs that meet goals and remain in budgetary guidelines
Core Competencies:
Technical: Microsoft Server /Directory & Messaging technology using all versions of
Windows Server platforms .
Identity Management and Access control (single-Sign on)
Helpdesk and Security Management
Architect of Platform /Messaging Migration
Cloud Management and migration (Azure and AWS)
Server Virtualization and Application optimization
Monitoring and Disaster recovery.
Managerial: Technical Project Management
Project Life cycle methodology
Lean sigma and ITIL Framework
Mapping Business process to IT Methodology
Liaison between BAU and Customers.
PROFESSIONAL EXPERIENCE
MTA- New York City Transit New York NY April 2007 –Present
Responsible to plan, design and management of Enterprise Messaging /Directory using
Microsoft technologies/Azure /Office 365. Led technical team for projects involving
Microsoft technologies across MTA agencies including System center (SCCM/SCOM) , Dell
/Quest Management tools ,Active directory ,Exchange 2007/2010/2013 .
Azure Cloud Implementation:
 Dedicated Express route for Azure Data center .
 Install and Administration of Microsoft Azure Cloud to extend Multiple Active
directory to Cloud Infrastructure.
 Administration and provisioning of Azure Virtual Machines.
 Implemented Azure Site to site VPN with segmentation of access with cloud servers
with extended multiple Corporate Active Directory Forests.
 Install and administration of Azure Multifactor Authentication and Azure Rights
Management.

2.  Management of Azure on premises Multifactor Authentication for in house applications
using LDAP and Mobile web authenticator.
 Administration of Data loss Protection (DLP) with Azure Compliance Manager.
Office 365 Exchange Migration /Hybrid Implementation.
 Envisioned and implemented most complex Hybrid office 365 implementation with
7 user account forests and single resource /user forests.
 Dedicated pairing of Office 365 traffic to Microsoft datacenters.
 Provided solutions for autodiscover with 10+ Exchange CAS sever in an AD site.
 Designed Data loss Prevention (DLP) in Office 365
 Consolidation of name spaces for office 365
 Implemented FIM 2010R2 for directory synchronization(DirSync) with Azure
 Designed and installed ADFS for cross-forest authentication from a single forest
source for Office 365 authentication.
 Integrated one drive for business and Yammer.
 Provisioning of office 365 Kiosk mailboxes
 Migration of exchange mailboxesto office 365 mailboxes
 Migration to Exchange hosted archives from 140 TB of Legacy
ZANTAZ(Autonomy) and EVAULT archiving systems .
 Manage SOPHOS SMTP gateways and Microsoft online protection for Exchange.
Office 365 LYNC online /Hybrid implementation:
 Design and implementation of LYNC 2013 Hybrid provisioning
 Migration of LYNC 2013 users to hybrid
 Migration from LYNC 2010 to 2013.
 Integrated Dial in conference with 3 rd. party in LYNC online.
 Administration of LYNC 2013 Front end and Edge servers.
 Integrated XMPP and Federation partners with LYNC 2013 and Online services.
Exchange 2013/2010 migration:
 Architectural design /Managed Implementation of Exchange 2003 to Exchange
2007/2010 Migration
 Design and implementation of 3 datacenter DAG design with 5 copies of
databases for 30000 mailboxes
 Migrated 6 GroupWise domain to single Exchange organization.
 Migration of 8000 Mailboxesfrom GroupWise
 Migration of 22000 Mailboxesfrom Exchange 2003 to 2010
 Migration of Public folders.
 Implemented and administration of Exchange DAS storage with 200 TB for 225
Databases spread across different geographical location.
Other Major Projects not limited to following:
 Upgrade of Active directory upgrade to Windows 2012 for all MTA agencies
 Design and implementation of Windows 2008/2012 Hyper-V and APP-V
 Part of VMWARE project for MTA VM consolidation.
 Technical team Lead in converting NETID DNS to Active directory DNS.
 Windows NT domain migration to Active Directory using Quest Migration.
 Mapping of Business process to Novell IDM Active Directory automation for
Identify Management /single sign-on.
 Delegation of Active Directory Security delegation ( Roles and responsibility )
using Dell /Quest Active Role server /One Identity Manager .
 Handled multiple IPAM migration from NETID to MS –Active Directory DNS.
 Integrated Infoblox IPAM to Active Directory DNS.

3.  Migration /Management of Akamai DNS for external DNS.
 Management of DigiCert PKI Solutions for Enterprise MTA domains
 Design and implementation of MTA Enterprise PKI to secure all websites /Identities
 Disaster Recovery Management during Hurricane Sandy for EMAIL and Windows
servers.
 Design, migration and Implementation of System Center: Operation Manger (SCOM
2007R2 /SCOM2012).
 Design/Implement/administration of Dell /Quest Change Auditor for Auditing
multiple Active directory forests and Exchange infrastructure.
 PCI audit and compliance.
 Internal Audit control for Microsoft infrastructure services.
 Consolidation of MS SQL database servers (2008/2012) for infrastructure services .
Affiliated Computer services INC New York NY OCT2006 –Mar 2007
Senior Exchange Architect/Engineer
Client: Disney Networks Inc /ABC TV Networks
Key Contributions:
 Design and deployment of Exchange 2003 Disaster/Recovery using Double Tree Replication
for WABC TV networks in the event of any disaster happens in New York City
 Design team member of Share point Portal Server 2007 project for Walt Disney Networks.
 Re designed Blackberry architecture inside Disney networks across US .,
 Remapped key delivery objectives of Messaging team to provide 100 % SLA confidence to
customer .
 NETIQ monitor performance enhancement for Blackberry applications
IBM Global Services SouthburyCT Sep 2001- OCT 2006
(As a Consultant from Apollo Consulting Services)
Client : Altria Corporation /Phillip Morris USA( From Oct 2005)
Title: Exchange /Active Directory Migration Specialist
Technical lead of Architect /Migration team to provide solutions for Logical separation Active
Directory into multiple AD Forests and Exchange 5.5 to Exchange 2003 ( team Size :5 Members)
Windows 2003 Active Directory Migration tasks handled:
 Design and implement Active Directory migration from a Single forest (20000 users) to
multiple forest with Cross Forest GPO Migration and Consolidations ,Active Directory
Replication topology and consolidate Active directory sites & subnets
 Windows 2000 Server Consolidation using windows 2003 File server Clusters.
 Created Role based security model based on Active directory delegation
 Users, groups and resources migration with Quest Migration Manager
 Disaster recovery design for Active directory forest
 Domain migration for Web application servers hosted in IIS6.0
Exchange 2003 Migration tasks handled:
 Design and implementation of Exchange 2003 Migration with Exchange 2003 clusters in a
IBM DS8000 SAN, Interscan Messaging security suite (IMSS) as anti virus scan server and
Ironmail for Anti-SPAM from Exchange 5.5 and Disaster Recovery plan for Exchange 2003
 Deployed Trend Micro Antivirus architecture with officescan and Trend scan mail (VSAPI)
for Exchange servers
 Executed Exchange migration with Quest Exchange Migration Wizard ( EMW )
Active Directory and Exchange Administration Tasks:
 Administration of Exchange 2003 and SMTP Routing topology

4.  Performing day-day activities of maintaining Exchange 2003 servers in a Multiple Exchange
administrative groups, routing groups environment which includes Mailbox Database
maintenance, Server health check, SMTP routing, backup, monitor with Tivoli, Outlook Web
access ( OWA) , Bridgehead server queue monitor .
 Evaluate new products and technology as per business needs.
 Proactive Maintenance of Exchange /Infrastructure server operations in 24 X 7 environment
Client: Avaya Communication (Sep 2001 – Oct 2005)
Tier4 Exchange/Active Directory Consultant (Exchange 2000/Active Directory
Administrator)
As a consultant Of IBM Global Services, provided Tier 4 exchange/Active Directory Support to Avaya
Communication‘s Global Messaging Environment Which involves design, maintain, upgrade and
troubleshoot Active Directory with 35000 user accounts in a multiple forest environment.
Key Contributions:
 Plan, Design and Deployment of Exchange 2003 Migration from Ex 2000 with Active/passive 7
Node Exchange 2003 Clustering using HP Servers and EMC SAN
 Disaster recovery Design and operations which includes Active Directory authoritative restores,
Exchange databases /Mailboxes restores, Recovery from Hardware issues using Implementation
of RAID in server level, EMC backup solutions and Veritas Backup Exec
 Security Solutions with Bright mail Anti Spam, Virus Scan and Groupsheild for Exchange 2000.
Patch Management and McAfee policy Orchestrator..
 Install and administration of Avaya Unified Messenger and Omtool Geni fax
 Migrated Corporate Email Backbone to Exchange 2000 from Exchange 5.5 and objects to
Windows 2000 Active Directory using NetIQ
 Design and administration Public Folder Replication, Wireless Email with Blackberry and Good link
servers
 Proactive Maintenance of Exchange /Infrastructure server operations in 24 X 7 environment with
escalated server /Client issues from Tier 3 with Scripting to do Active Directory Management using
VBscript
 Design and administration of Active Directory Sites, Domain Trusts, Domain Group Policies, Active
Directory DNS/WINS/DHCP Servers and Active Directory Schema
 Daily Server health checks for 30 Exchange / 100 Windows 2000 infrastructure Servers (DC
/SMS/DNS/WINS) .OS/hardware /application Support for 320 servers with HP Open view
Operations as Event logs Monitoring and Hardware monitoring using HP-COMPAQ Insight
Manager & IBM Netfinity Director.
 Migrated Corporate Email Backbone to Exchange 2000 from Exchange 5.5 and objects to Windows
2000 Active Directory using NetIQ
PlanetU Inc /San Francisco (CA) Feb 2000 – Aug 20001
(As a consultant from Melstar Inc USA)
System Engineer (Technical operations)
Managed Internet and Intranet Infrastructure of Operations, Envisioned and deployed Co location with
dual Redundant Network Architecture with CISCO fail safe solutions.
Key Contributions:
 Managed Exchange 5.5 email servers in a NT4.0 Windows domain
 Performed as a Unix team administrator and experienced with Veritas volume manager and Send
mail administration
 Security Management with Checkpoint4.1SP2, PIX and Net screen solutions
 Managed Application level clustering with Net dynamics with IIS 4.0
 Implemented change Management practice and Incident management process
 Redesigned Web/App server Load balancing Techniques using CISCO load Balancer
 Responsible for Disaster/Recovery of Network, Exchange and production servers
 Implementation of UNITY voice messaging system

5.  Performing Security /system audits, Report Performance of web servers to management
The Right desk Inc, San Jose USA Oct 99- Feb 00
( as a Consultant from Melstar Inc USA )
Corporate System Consultant
System Consultant to setup the IT facilities and infrastructure for the new startup and the existing corporate
customers
Key Contributions :
 Administration of the NT Domain and Novell Netware 5.0
 Design and implementation of Windows 2000 and the LAN
 Analysis and design of the Help desk software product that helps the resolving Helpdesk
Engineer who can use the Knowledge bank built within the system.
Hyundai Motor India Limited - INDIA July 1997 –Oct 99
Network Supervisor
Member of project team build IT Facilities and Infrastructure for the new factory
Key Contributions:
 Created and managed Enterprise IT Helpdesk for supporting 500 + Desktops spanning around
country .
 Relationship management with departments and IT production ( dev) team .
 Created New LAN/WAN infrastructure in Hyundai factory from ground level which includes
evaluate, pilot, test and implementation of various products from CISCO/IBM /Nortel networks with
Implementation of RIP and IPX network protocols and VSATs.
 Management of NT domain with Exchange /Lotus Notes Servers and Deployment of Windows’98
SR2 Desktop across India offices
 Implemented Novell 5.0 Network in Sales offices for product launch
 Design and implementation of 256 k overseas link to Korea with IBM 2216 N Ways Multi protocol
router with Cray FPX 1010 Data /Voice Multiplexers.
 Design and implementation of factory Network (CAT 5, Fiber ST II) with IBM 8260 N ways Multi
protocol access concentrator with fail over safe.
Soft Bankk Micro Systems Private limited -INDIA September 95-May 1997
Senior technical lead of Professional support to provide after sales support to HP /Digital Server based
solutions:
Key Contributions:
 Provided Technical Networking Solutions to Corporate Customers with HP- Digital Servers and
Novell Netware.
 Worked with different levels of customers and provided various kind of networking solutions.
Involved in day-to-day trouble shooting of problems in LAN installations and have gained technical
excellence with good trouble shooting skills.
 Managed back end technical support to a 10 member team installing and configuring of Network
server NOS like Novell 4.11, NT 4.0 UNIX.
CompACT INDIA June 1990- September 1995
Part of Customer Service group to provide wide range of solutions for office automation with
Novell network solutions.
Key Contributions:
 Provided Support of Networking to the Corporate Customers.
 Worked with different levels of customers and provided various kind of networking solutions using
NOS like Novell NetWare 2.x.3.x and Ethernet Network .

6.  Provided Technical solutions to our customers and analyzing their requirements and sizing their
network equipment like Servers, hubs and structured cabling Products
PROFESSIONAL CERTIFICATIONS
 Microsoft Certified System Engineer (MCSE) in Windows 2003 /2000/NT4
 Microsoft Certified System Administrator (MCSA) in Windows 2003 /2000/NT4
 MCSA/MCSE in Messaging (Exchange 2000 Design and admin)