SUMMARY

• A result driven IT Professional with over 16 years of IT Experience in Design, Administer and Support the Information System Solutions.
• Experience in Microsoft Active Directory services 2003, 2008, 2012 design, planning and Implementation in Large Enterprise Environments.
• Experience in Installing and Maintaining Microsoft Windows Server 2000, 2003 and 2008.
• Experience in Design, Installation and Support of Microsoft Exchange Server 2000, 2003, 2007, 2010, 2013 and Exchange Online/Office 365 Multi - Tenant and O365Dedicated (ITAR) hosted on Microsoft Cloud and as well On-Premise and Hybrid environment
• Design and Implement Active Directory Federation Services (AD FS) services and Identity Management Infrastructure (Active Directory Federation server services, Federation Proxy server) for Single Sign-on (SSO) from Active Directory to Windows Azure Application on Microsoft Office 365 Cloud Technology for both On-Premise and On Hybrid environment
• Design and Implement Active Directory Synchronization with Directory Synchronization (DirSync) Azure Active Directory Connect (Azure AD Connect)
• Experience in Design, Installation and Support of Microsoft Lync Server 2010, Lync Survivable Branch Appliance for Branch Sites for Enterprise Voice Resiliency
• Experience in Design, Installation and Support of Mobility Messaging System such as Blackberry 3.6v, 4.0v, 4.1, 5.0v and Cloud services
• Nokia Intellisync 6.4.6.1v and Good Link 4.0v, 4.5v
• Experience in Design, configuration and supporting storage systems such as SAN Storage (HP EVA 5000, EVA8000 & MSA 1000) and DAS (Direct Attached Storage)
• Troubleshooting network connectivity and latency issues (LAN, WAN and VPN) with tools such as Netmon and Wireshark
• Migrated Exchange databases on-Premise to New Virtual Exchange hosts leveraging the Microsoft Database Porting feature
• Built and Managed Quest Migration server 8.1v to migrate Mailboxes from acquired foreign domains to Native domains
• Migrated Mailboxes from Multi Exchange environment (Foreign domains) to Native Mailbox servers
• Migrated Mailboxes from On-Premises Exchange to Microsoft Cloud on Office 365
• Manage Exchange Online Protection (EOP) hosted on Microsoft Cloud Services for Email protection and spam content filter.
• SPF (Sender Policy Framework) record customization to help prevent email spoofing by adjusting the domain’s DNS records in Internet facing DNS servers
• Manage and Administer Office 365 related issues
• Design and Implement the Hybrid Exchange environment
• Configure Trust relationship and federation with Inter-Org Exchange environment
• Design, Build and Manage Barracuda PST Enterprise server solution for PST migration
• Build and Upgrade PST Enterprise server 3.2 to 5.1/5.2 version for better and optimized PST migration solution supporting O365 environment
• Troubleshooting Lync SIP traces to fix Lync connectivity issues using tools such as Snooper and One Click
• Planned and Executed the Migration of Exchange Mailboxes and Servers from Legacy version to New Messaging environment
• Planned and Executed the Migration of Exchange Mailboxes and Servers from Cross Forest Domain
• Worked on Quest Migration 8.xv utility to Sync and Migrate Exchange Objects and Mailboxes from Foreign domain (Acquired Companies)
• Planned and performed migration of office communicator accounts to Microsoft Lync Environment
• Administered and managed up to 250 Microsoft Exchange Servers in an Enterprise Environment.
• Administered and managed up to 450K Mailboxes in 110 Exchange Clusters.
• Performed disaster recovery of Exchange Databases and Mailbox restoration using recovery storage group/recovery server.
• Administered and managed Enterprise Email Archiving System using Symantec Vault 10.1v, NearPoint Mimosa 4.2v with SQL Server 2008
• Administered and managed eDiscovery Tool to search/Extract archived emails for Legal Investigations
• Worked and trouble shoot public folder issues using tools such as PFDAVAdmin and InterOrg.
• Executed and migrated 100K+ Mailboxes including the BES user accounts.
• Managed, Installed and Administered McAfee Email Gateway Security Appliance 6.7.v and 7.6v both in Physical and Virtual environment to control Antispam and malwares messages from flowing into the environment
• Maintain and Administer Whitelist and deny list of Email Domains to control the Mail flow
• Managed and Administered Cisco IronPort Email Gateway Security Appliance
• Configure Message filters to apply special rules to handle the messages and attachments as they are received in mail gateway
• Administered and managed up-to 80 Microsoft Lync Servers in an Enterprise Environment.
• Administered and managed up-to 110K Lync Accounts in Lync 2010 Enterprise Environment.
• Executed Migration of LCS 2005 users accounts to OCS 2007 server
• Executed Migration of 100K OCS 2007 users accounts to Lync 2010 sever
• Executed disaster management of Lync SQL Database and Servers in Enterprise Environment to test Resiliency.
• Experience in installing and configuring and troubleshooting DNS, WINS, and DCHP servers.
• Worked on client issue such as Outlook 2003/2007/2010/2013 , Public Folders, Outlook Web Access, Blackberry and Intellisync Mobility devices.
• Involved in taking back-up using, VERITAS, NetBackup and IBM Tivoli (TSM Version - 5.1.5).
• Worked extensively on performance fine tuning and capacity planning of Exchange severs, Global Catalog servers using tools such as Perfmon, Netmon, Dcdiag, Store trace, Jetstress, Eseutil and Exmon.
• Followed and implemented ITIL process for operations.
• Completed Six Sigma and Implemented on Projects to fine tune Exchange server performance and to reduce SCOM alerts
• Administered and managed Backup solutions using IBM Tivoli Storage Manager, Symantec NetBackup, Ultrabac 9.2v and Microsoft Data Protection Manager 2010 (DPM)
• Managed and Administered Microsoft Forefront ISA 2006 and TMG 2010 Server to scan incoming traffic for published services like Web App, ActiveSync
• Involved in CIP (Change implementation plan), SOP (Standard Operation procedure) and POAs as per Six Sigma Process.
• Dynamic and Assertive Team player with strong commitment and ability to acclimatize new Technologies/Situations with ease and implement the Business System/Process analysis in an efficient manner.
• Excellent in understanding Project Management and tracking issues for resolution
• Excellent interpersonal communication and Technical skills

TECHNICAL SKILLS

Operating systems: Windows Server NT4.0/ 2000/20 & Linux

Messaging Environment: Exchange 5.5, 2000, 2003, 2007, 2010, 2013 and Exchange Online ITAR/Cloud Office 365 Multi-tenant/Multi-tenant Enhanced

Email Gateways: Microsoft Exchange Online Protection (MS EOP), Cisco IronPort, MiraPoint server and McAfee IronMail, Intel/McAfee Email Gateway 6.x, 7.x in Cluster environment

Mobility Systems: ActiveSync, Blackberry, Intellisync and Good Link

Archiving Solutions: Symantec Enterprise Vault 10.x

Database/RDBMS: SQL 2008

SAN Storage: SAN EVA 5000, 8000, MSA 1000 and DAS

Hardware Platform: HP, IBM, Dell, Cisco.

Tools: and Utilities: Dcdiag, LDAP, ADSIEdit, Perfmon, Netmon, Jetstress, Log Parser, ESEUtil, Exons, ExRAP, ExMerge, PFDAVAdminMdbvue32, MFCMAPI, HP Openview, SCOM/SCCM, Snooper

PROFESSIONAL EXPERIENCE

Confidential, Dallas, Texas

Microsoft Infrastructure Engineer/Messaging Specialist/Programmer Analyst

Responsibilities:

• Manage, Design and Administer Microsoft Messaging Infrastructure - Office 365 Dedicated/ITAR on Microsoft Cloud environment.
• Ensure performance and stability of Messaging environment for smoother operations of Microsoft Exchange servers, Lync/Skype for Business on hosted on Microsoft Cloud services.
• Design, Build and Manage Barracuda PST Enterprise Server for PST migration
• Upgrade PST Enterpriser server from 3.2 to 5.1/5.2 for better scalability and enhanced support for O365 environment
• Manage, build and Administer the SMTP mail relay Infrastructure to support mail relays for Applications hosted On-Premise
• Migrated the SMTP environment from Exchange 2010 (ARUNA/ANSI 14) to Exchange 2013 (ANSI 15) version
• Migrated Mailboxes from Exchange 2010 EDOS (Exchange Dedicated Online Services hosted on Microsoft Cloud Dedicated) to Exchange 2013 environment hosted on Microsoft Cloud services
• Manage and Administer Exchange Online/Office 365D related issues
• Troubleshoot Object synchronization issues from On-Premise Active Directory to Azure Active Directory cloud services using DirSync/AD Connect and MMSSPP sync engine tools
• Build PowerShell script to automate the work-flow tasks
• Migrate Lync Objects from multi-domain forest to Lync Online services
• Write Knowledge Base Articles and provide solution to enhance the product service availability
• Research and test new features to enhance the product scalability
• Design and prepare the environment for vNext Cloud services to migrate the Messaging/Skype infrastructure to O365 MTE (Multi-Tenant Enhanced) which is unique from online shared services
• Assess and design the On-Premise AD/ADFS Infrastructure to scale with O365 MTE environment
• Harden EOP (Exchange Online Protection) Mail gateway to filter spam messages
• Align SPF/DMARC/DKIM records to protect the brand and message from spoofing and phishing attacks
• Design and Prepare the environment for next phase of Email Migration to Office 365 MTE Cloud environment (Multi-Tenant Enhanced) from ITAR Dedicated

Confidential, Winston Salem, NC

Microsoft Messaging Specialist

Responsibilities:

• Manage, Design and Administer Microsoft Messaging Infrastructure on both On-Premises and On-Cloud environment.
• Ensure performance stability of Messaging environment for smoother operations of Microsoft Exchange servers, OCS, BlackBerry, NearPoint Mimosa Email Archive, Symantec Enterprise Vault, and Backup Solutions on both Physical and Virtual environment.
• Manage, build and Administer Hybrid Messaging Infrastructure running On-Premises Exchange 2007/2010 servers and on Microsoft Exchange Online/Cloud Office 365 environment
• Migrate Mailboxes from On-Premises Exchange to Microsoft On-Cloud Office365
• Manage and Administer Exchange Online/Office 365 related issues
• Design and Implement Active Directory Federation Services (AD FS) and Identity Management Infrastructure (Active Directory Federation server services, Federation Proxy servers) for Single Sign-On (SS) from Active Directory to Windows Azure Application on Microsoft Office 365 Cloud Technology for both On-Premise and on Hybrid environment
• Manage and Administer Exchange 2010 Infrastructure of acquired foreign domains.
• Manage and Administer Exchange servers on both Physical and Virtual environments.
• Manage and Administer OCS 2007 server on both Physical and Virtual environments.
• Manage and Administer OCS 2007 on-Premise and Lync Online on Microsoft Cloud.
• Leveraged Microsoft Exchange Database Porting feature during disaster recovery. Migrated Exchange databases On-Premises to New Virtual Exchange hosts leveraging the Microsoft Database Porting feature
• Built and Managed Quest Migration server to migrate Mailboxes from acquired foreign domains to Native domains
• Migrated Mailboxes from Multi Exchange environment to Native Mailbox servers
• Migrated Mailboxes from On-Premise Exchange to Microsoft Exchange Online/Office 365
• Manage and Administer Exchange Online/Office 365 server related issues
• Configured Trust relationship and federation with Inter-Org Exchange environment
• Work with Network team in case of routing and firewall issues related to Mail flow, free-busy availability with inter-org Exchange environment.
• Manage and Administer Symantec Enterprise Vault 10.1v, the Email archiving solution for Corporate and Legal holds.
• Search Mail items and extract Mail contents from Enterprise vault using eDiscovery tool for legal.
• Manage and Administer NearPoint Mimosa 4.2v for Email Archiving and Legal Solutions.
• Troubleshoot and resolve issues reported for Exchange 2007, 2010, Exchange Online/Office 365, Windows, OCS 2007, Lync online and Backup (DPM, Ultrabac) Solutions
• Troubleshoot and resolve issues reported for Virtual environment.
• Tier 3 level Engineer for handling Messaging, OCS and Backup environment issues.
• Administration and Maintaining Exchange 2010 and Lync 2010 server environment
• Work on Database Capacity Management to ensure equal load distribution of Mailboxes on Exchange database.
• Evaluate the load and Performance on Exchange servers/Database and fine tune the server for stability
• Maintain stable Directory Services, Outlook Web Access, Outlook Web App and Mail routing.
• Work and coordinate with Multiple Application teams to resolve SMTP/IMAP/POP Mail relay and routing issues.
• Administer and Maintain Blackberry Enterprise servers 5.0v
• Manage, and Administer Mail Gateway running on McAfee Email Gateway 7.6v on Virtual environment
• Built the latest McAfee Email Gateway 7.6v and migrated the SPAM rules, Accepted domains, whitelist and deny list from legacy environment to production
• Manage and control Antispam and Malwares in flowing into the environment by keeping the Antispam definitions up-to date and adjust the SPAM rules as per the requirement.
• Escalation Engineer to Analyze and resolve end-user Messaging and Lync problems and connectivity issues in a timely and accurate fashion.
• Patch Management. Analyze the risk assessment of Microsoft released latest Security updates, test it and roll over the patches/updates on All Exchange, BlackBerry, OCS and Tools Servers in production environment.
• Run Microsoft Exchange Best Practice Analyzer Tool frequently to validate Exchange environment health. Also run the Best Practice Analyzer to validate the OCS environment and fix problems if reported.
• Perform Performance tuning of Exchange and OCS Environment.
• Script PowerShell to automate the Process and Reporting of Exchange and OCS server environment health like Database status, Message queue, Disk space and service health
• Maintain an adequate level of knowledge of Windows operating system and software Applications being used in the environment to provide high level of support to users.
• Own and write the RCA (Root cause Analysis) for the issues reported and resolved.
• Communicate to End-users and Top Management in case of any issues noticed with regards to messaging environment causing any degradation of performance issues.
• Responsible for direct interaction with customer and Vendors like Microsoft, BlackBerry, Symantec and McAfee
• Write Knowledge base Articles based on the troubleshooting performed on Messaging, OCS and Backup related issues and assist the Tier 2 level engineers in resolving the issue during escalation in a timely fashion.
• Schedule weekly Governance call with the Top Management and discuss issues related to Messaging environment and the solutions implemented
• Propose consolidation and action plans as necessary to the Top Management
• Remediate issues and provide solutions for problem reported and drive the issue to closure
• Also conduct Training and Mentor the Team members to Improve Knowledge on Exchange, OCS, Enterprise Vault and Backup.
• Discuss and provide solutions for issues or problem raised by the team members on daily operations.

Confidential, Tempe, AZ

Microsoft Unified Collaboration Specialist

Responsibilities:

• Design, implement and Support Microsoft Messaging Infrastructure
• Design, implement and Support Microsoft Lync Infrastructure.
• Ensure performance stability and smoother operations of Exchange Messaging System and corresponding hardware and software
• Ensure stable performance and operation of Microsoft Lync System and corresponding hardware and software
• Migrated the messaging environment Exchange Server 2003 to Exchange 2010 Servers
• Migrated the LCS 2005/OCS 2007 to Lync 2010 Servers
• Migrated 100000+ Mailboxes hosted on 60+ Exchange 2003 Cluster Servers to Exchange 2010 DAG running on Windows 2008 Servers.
• Migrated 100000+ LCS 2005 Accounts to Lync 2010 Infrastructure.
• Troubleshoot issues in Exchange email systems, Lync Enterprise Server. Report, and resolve major email and Lync related Incidents to team members.
• Analyze and resolve end-user Messaging and Lync problems and connectivity issues in a timely and accurate fashion.
• Administration and Maintaining Exchange 2010 and Lync 2010 server environment
• Design, Implement and Support Microsoft Lync Infrastructure.
• Design, Implement and Support Lync Survivable Branch Appliances for Branch site for Enterprise voice Solution and Resiliency.
• Work on Capacity Management to ensure even distribution of Mailbox load on Exchange servers/Database to load balance the server performance
• Maintaining Directory Services, Outlook Web Access, routing and transports.
• Worked with Application teams to resolve SMTP/IMAP/POP mail relay issues.
• Administer and Maintain Blackberry servers.
• Management of SPAM and controls
• Manage and troubleshoot Cisco IronPort Email Gateway Appliance
• Installed and Configured IronPort Appliance, enforce email policies for content scanning and message filtering
• Windows Security updates and Patch Management on all Messaging and Lync Server Infrastructure.
• Run Exchange Best Practice Analyzer Tool frequently to validate Exchange environment health. Also run the Best Practice Analyzer to validate Lync environment.
• Perform Performance tuning of Exchange and Lync Environment.
• Script PowerShell to automate the Process and Reporting of Exchange and Lync server environment health
• Maintain an adequate level of knowledge of Windows operating system and software applications being used to provide high levels of support to users.
• Ownership in providing the RCA (Root cause Analysis) for all the issues solved.
• Communicate to end-users, management, and any call/problem tracking system regarding status of reported problems/projects.
• Responsible for direct interaction with customer and Vendors like Microsoft, AudioCodes,
• Worked Intensively on Microsoft Exchange Servers, Active Directory, Microsoft Lync and Collaboration Services, Security Updates, DNS/DHCP and Security Tools
• Create Knowledge base article and Publish to troubleshoot Exchange and Lync related issues and assist Tier 2 engineers in resolving the Issue during escalation. Also conduct Training and Mentor the Team members to Improve knowledge on AD, Exchange and Lync.

Confidential

Messaging Technical Specialist

Responsibilities:

• A Tier3 Support Enterprise Email Administrator, responsible for supporting more than 500+ servers which includes 250 Exchange Servers 5.5/2000/2003 and 250+ Active Domain Controllers hosting 600,000 mailbox Objects and 50 Blackberry servers spread Globally across 35 data center Worldwide.
• Installed and configured Exchange server 2003 in Windows Clustered Environment for high Availability.
• 24/7 support and manage Exchange servers in Windows mixed mode and Cluster environment.
• Troubleshoot Active Directory issues like Replication, Authentication and Performance issues.
• Troubleshoot L3 client issues for Outlook 2003/2007, Public Folders, OWA, Blackberry, Intellisync devices and Active sync (EAS).
• Troubleshoot issues with Message routing, SMTP connectors and cluster issues.
• Involved in deployment of servers at the Datacenters.
• Troubleshoot and resolve hardcore OS level problems on Windows NT, 2000 and 2003 servers.
• Perform Driver/firmware upgrades to keep the server healthy and upto-date
• Install Security updates, hotfixes and patches to keep the Servers healthy and Application running.
• Install Break-fix and Perform registry changes during OS/Application crash
• Debug memory dumps and analyze any OS/Application crash.
• Monitor the servers during hardware/network maintenance by vendors.
• Migrated Mailboxes from 5.5 to 2003.
• Install and Manage blackberry servers V3.6, V4.0, V4.1.
• Involved in migration of Blackberry servers from 3.6 to 4.0 and 4.1
• Configured anti-spam settings and troubleshoot issue with Spam and phishing issues.
• Installed and configured Anti-virus software’s such as Trend Micro Server Protect and Microsoft Antigen.
• Monitor performance of servers based on the MOM alerts generated by Mentoring servers.
• Manage and troubleshoot Third Party Messaging solutions such as IronPort and Mirapoint.
• Manage SMTP ACLs (connections) for Application servers via IronPort SMTP Relay server
• Manage Routine Security Updates for servers using Microsoft WSUS server.
• Work on Problem Management, Change Management Process and Request Management initiated by the GE-GIS as per ITIL standard.
• Configure and Manage SAN solutions (HP EVA 5000, EVA8000 & MSA1000) for Exchange Server Database Storages.
• Worked with Application Teams to resolve SMTP relay issues.
• Responsible for analysis and discussion of High server availability, transition plan.
• Provided Ownership in RCA (Root cause Analysis) for all critical incidence resolved.
• Worked with vendors like Microsoft, HP, Blackberry, IBM, Nokia, and Motorola during Application issues and critical incidence.
• Installed and Configured IronPort Appliance’s for Email Spam and content filtering.
• Maintain SMTP ACLs by creating sender groups and update policy in IronPort to provide access to client Applications and Systems to relay messages.
• Troubleshoot issues during mail delay and message queues.
• Upgraded Microsoft Exchange 5.5 to Exchange 2000 and 2003 servers
• Build, Configure and Administer Exchange 2000, 2003 on Windows 2000, 2003 Active directory domain controllers
• Configure Exchange Cluster Resources for higher Database Availability
• Migrated Mailboxes along with data from Exchange 5.5 to Exchange 2000 and 2003 Servers for GE Business worldwide.
• Create and Implement organization units, groups and system policies in Active directory.
• Create Site links, Subnets and Trust relationship between domains.
• Export Active directory objects like AD Accounts, Mailbox Information and groups from Active Directory to .CSV file by using csvde utility for Audit purpose.
• Perform Backup and restore system state data during DM Exercise.
• Install and configure Wireless Suite - Nokia Intellisync Mobile Suite 3.4.61.x
• Deployed and configured the Nokia Intellisync Mobility Application Server for GE World-Wide in Clustered environment
• Install and configure RIM’s BlackBerry Application
• Deployed and configured the Blackberry Mobility Application Server for GE worldwide.
• Also upgraded the BES Application Server from 3.6 to 4.1.2 version and migrated the BB user Accounts
• Worked on Good Technology - Goodlink Mobility Application Server for GE
• Performed Backup and Restored Exchange Database on 2003 during critical database crash and corruption using IBM Tivoli Storage Manager and Symantec Backup Server tools
• Worked Intensively on Microsoft Exchange Servers, Active Directory, IBM Tivoli Storage Manager, Symantec NetBackup, Microsoft Software Updates Server (WSUS), IronPort Appliance, Symantec Trend Server protect for Anti-Virus Solutions, BlackBerry, Nokia Intellisync, Good and Mirapoint.

Confidential

Network Technical Specialist

Responsibilities:

• Worked as Technical Support Engineer in managing and supporting Major Client’s Infrastructure
• Plan, Design and Implement of Local Area Network, Switches and Printer both Local & Network.
• Installed Windows NT and Novell Netware for Manufacturing Cooperate Business
• Configure User accounts, security policies and ACLs
• Troubleshoot and resolve Network and System related issues.