Career Summary:

7 years of experience as a Systems Administrator on Active Directory Exchange 2013, 2010, 2007, 2003,O365, Lync 2013 Blackberry Enterprise Server 10, BES 5.0.4, 4.5, Good for Enterprise Vcenter 5.0, Power Shell. Skilled at learning new concepts quickly, working well under pressure, communicating ideas clearly, effectively and following through on assigned tasks and responsibilities. Ability to work collaboratively and commitment to achieving corporate goals.

Professional Summary:

• 7 years of extensive professional experience in Microsoft Exchange 2003, 2007, 2010, O365,
• 5 years of professional experience in Active Directory.
• 4 years of Professional experience in administering Microsoft Lync 2013, BES 4.5, 5.0, BES 10 environments and Good for Enterprise
• 2 years of experience in Active Directory migration, deployment, maintenance and troubleshooting experience.
• Professional experience Windows OS 2003, Win XP, Win Vista, Windows 7
• Strong skills in Windows Servers 2003/ 2008/2012, DNS, DHCP administration and trouble shooting.
• Migrating Good and Blackberry Mobile accounts from Lotus Domino Infrastructure to Onprem and O365 Infrastructures.
• Experience in migrating users from one domain to other domain using ADMT tool.
• Maintenance and troubleshooting experience on Exchange Onprem and O365 Infrastructures.
• Troubleshooting mail flow issues using Exchange Management Shell and using Exchange tools.
• Strong commitment to high quality of work and timely deliverables.
• Proficient in building Desktop, Server Images and software, patch distribution architecture using the tools WinInstall.
• Identifying application dependencies and making them work smoothly together. Trace configuration and operation issues with problem applications.
• Implementation and administration of DNS, DHCP in AD environment.
• Implemented Group Policies at Domain level and OU levels to satisfy various security needs in the enterprise. Also used GPO for securing/ locking workstations. Setup policies with GPO.
• Setting up Windows 2008 R2, Windows 2003 Servers, Enterprise Edition on Dell/ HP servers
• Experienced in troubleshooting problems related to applications installed on Windows servers
• Highly Experienced in Installing and Maintaining MS-Exchange Server 2003/2007/2010.
• Experience in supporting Good for Enterprise support like creating New user's accounts, Activation issues, Troubleshooting Good application server issues, Analyzing Good server logs, Coordinating with Good Support for critical issues.

SKILLS:

• Network Operating System : Windows NT 2012 R2.
• Databases : Microsoft SQL
• Mail servers Clients : Microsoft Exchange, Lync 2010/2013, Blackberry Enterprise Server, Good for Enterprise
• Backup Solution : Symantec Netback up
• Virtualization : VMware ESX
• P2V Tools Clustering : Microsoft Clustering.
• Web Servers : IIS
• Management Skills : Team building.
• Documenting Ticketing : Service Now

PROFESSIONAL EXPERIENCE:

Confidential

Senior System Administrator

Responsibilities Managed:

• Exchange Setup: Installing, configuring and administration of Exchange Server 2010 and Exchange Server 2013 and O365.
• Administering and troubleshooting experience on Active Directory.
• Maintenance and troubleshooting experience on Exchange Onprem and O365 Infrastructure.
• Providing Tier 3 support on Server Side Issues.
• Providing Mobility Tier 3 support for Blackberry and Good for Enterprise.
• Troubleshooting system performance and
• Troubleshooting mail flow related issues in Exchange using Mail Flow troubleshooter, Message tracking and EMS.
• Implementing Changes and upgrades to Exchange, Good and Blackberry Servers Environment.
• Supporting Blackberry Enterprise servers 5.x both Server and Client End issues.
• Troubleshooting Enterprise activation and Mail flow and sync issue on BES 5.x and BES 10.1.
• Troubleshooting Client side issues along with activation issues on Good Mobile Servers and Good Server issues.
• Troubleshooting GMC server issues.
• Follow up with Vendors for any Vendor dependent issues.
• Managing server health checks Manual and PowerShell Script .
• Performing Installation for approved patches and Reboot of servers by keeping servers into maintenance.
• Troubleshooting the servers in case of failures and finding route cause for the failures.
• Experience in Disaster recovery.

Good Mobile Administration:-

• Good support New user's activations.
• Migration from Good accounts to new infrastructure.
• Troubleshooting handheld device issues.
• Troubleshooting Good server issues.
• Analyzing Good server logs.
• Capacity performance tuning of Good servers.
• Coordinating with Good Support for critical issues.

Blackberry 5.0 Administration:-

• Blackberry support New user's activations.
• Troubleshooting handheld device issues.
• Troubleshooting BES 5 server issues.
• Capacity performance tuning of BES 5 server.
• Coordinating with RIM for critical issues.

Confidential

Sr. Messaging Administrator

Responsibilities:

• Managing, administering, troubleshooting Exchange 2003.
• Collaborating with Vendors and other IT organizational teams in support of enterprise wide goals.
• Assigning the responsibilities to offshore team and guiding them to resolve.
• Troubleshooting of Exchange 2010 client and server problems.
• Certifying patches/upgrades for application in production environment in close partnership with the messaging engineering team/resources.
• Take preventive or corrective action to resolve any issues that may arise.
• Managing Enterprise 24x7 for email, Blackberry.
• Collaborating with other IT organizational teams in support of enterprise wide goals.
• Troubleshooting of Exchange client and server problems.
• Daily monitoring of Messaging environment, maintenance of mailboxes across the various mail servers.
• Exchange Database maintenance activities, e.g. optimization, white space, etc.
• Testing and certifying patches/upgrades for application in production environment in close partnership with the messaging engineering team/resources.
• Integrating Microsoft Exchange solutions with Antivirus/anti-spam/content filtering solutions.
• Adding, removing, or updating user account information, reset passwords, etc.
• Responding to technical queries and interfacing with customer as needed.
• Restoration of user email and any exchange related recoveries.
• Performing backups.
• Applying operating system updates, patches, and configuration changes.
• Installing and configuring new hardware and software.
• Working closely with the customer to support and maintain the Active Directory Domain and Exchange and Blackberry Messaging Infrastructure.

Confidential

System Engineer

Responsibilities:

• Administer the working of Microsoft Exchange and provided support for any server related issue.
• Upgraded existing Exchange 2003 servers.
• Troubleshooting SQL Backend issues.
• Performed daily system monitoring, reviewing system and application logs, and verifying completion of scheduled jobs such as backups.
• Performed daily backup operations, ensuring all required file systems and system data are successfully backed up to appropriate media, media is recycled and sent off site as necessary.
• Maintained Active Directory computers user accounts.
• Regulated troubleshooting for the two tiers support of the system.
• Coordinated with the external agencies to resolve any up gradation issues of the system.
• Served as first level for client interface by providing solutions.
• Created migration plan to assist technical staff in performing mailbox moves.
• Troubleshooting Mail flow Issues.
• Resolving event ids.
• Troubleshooting performance issues.
• Troubleshooting Outlook issues.
• Coordinated with engineering and development teams in implementing and executing the future design of messaging environment as a part of technology convergence initiative.
• Communicated to end-users, management, and any call/problem tracking system regarding status of reported problems/projects.