SUMMARY

• Around 6 years of experience in Systems administration, enterprise solution architecture Fundamental understanding of modern cloud infrastructure capabilities.
• Experience in different Microsoft products including Exchange 2013, 2010, 2007, 2003 and Office 365, Lync, Skype for business and MS office suites.
• Designed, configured, implemented and maintained an enterprise messaging environment including office 365, Exchange 2013/2010/2007 .
• Experience in administrating the Microsoft Lync 2010 in a production environment.
• Responsible for all components of Office 365 including one drive, Skype for business, yammer and SharePoint.
• Supporting the end user production environment with implementing and maintaining Active directory environment.
• Designing and implementing AD cross forest migration or new forest implementation across windows server platforms.
• Experience with Active Directory Domain Services (AD DS), Microsoft DNS, DHCP, File & Storage Services, Active Directory Federation Services (ADFS/SSO).
• Experience with Azure, Azure AD, O365 and good understanding of TCP/IP Stack, OSI Model Reference.
• Experienced in configuring and deploying the Mailbox servers.
• Implementing and Managing Client Access Servers.
• Expertise in providing solutions for High Availability in Exchange.
• Planning, configuring and managing Messaging security, Administrative security and auditing.
• Planning, provisioning and deploying Office 365 and Experience in Office 365 migrations and hybrid solutions.
• Expertise in migration of Microsoft messaging technologies of newer versions. Migration from On - premises to Office 365.
• Knowledge in Synchronizing Directory from On-premises to Office 365 using different Identities as per business needs.
• Experience in Security and Compliance by Managing Data loss prevention and Data governance.
• Support assistance in public folder creation, replication, rights assignments, free busy related issues, offline address book, and Calendaring services.
• Team player in implementing and deploying MS infrastructure and MS Office 365.
• Have provided support for server 2008/R2 2012/R2 on the components, exchange 2007/2010/2013 , AD, Networking issues with DNS, DHCP, IIS etc.

TECHNICAL SKILLS

Office 365: Exchange, Outlook, Lync/Skype for Business, Share point, Yammer, Azure AD, On Drive and Active Directory.

Cloud: AWS, Microsoft Azure, Office 365

Ticketing System: Remedy and Service Now

Migration Exchange: 2007 to 2010, 2010 to 2013, 2013 to Office 365.

Operating Systems: Windows Vista, Windows XP, Windows 7, Windows 8, Windows 10, Microsoft Server 2008, Microsoft Server 2012 r2, Unix and Linux.

Networking: Service control layer (TCP/IP), application layer (DNS/WINS, SMTP), and Management layer (DHCP) and LAN/WAN/WLAN concepts.

PROFESSIONAL EXPERIENCE

Confidential, San Ramon, CA

Office 365/ System Administrator

Responsibilities:

• Protecting from Spam Attack by implementing the anti-spam on the HUB-servers.
• Resetting the Calendar permissions after the migration as per the user issue.
• Utilizing the Log files, Lync snooper, Wireshark and PowerShell for trouble shooting Lync related issues.
• Migrated Lync pilot environments to production. Migrate Exchange 2007 messaging infrastructures to Exchange 2010 to provide site DR which included stretched DAGs.
• Allowing the self-service for resetting passwords and unlocks by introducing Password Management Tool.
• Managing AD and Network to ensure the overall stability and performance.
• Responsible to manage and drive projects to completion like Datacenter (infrastructure) Migration Application service migration to public cloud - Azure.
• Developed the process to patch and support clients using software updates management in SCCM.
• Designed and implemented network design using TCP/IP.
• Configured and managed multi-account AZURE infrastructure consisting of cross-account access roles, policies, and users.
• In depth knowledge and technical proficiency in TCP/IP protocol stack and other network protocols such as: DNS, DHCP, Direct Access, VPN, IPV4/IPV6.
• Installing Windows 2008 R2 also deploying server VM from Templates.
• Installing configuring knowledge of ADS, DNS & DHCP.
• Remote installation of software’s & Patches.
• Deploying Operating Systems through Windows Deployment Service.
• Handling incidents, troubleshoot, resolve or escalate to higher levels when required.
• Assisted in restoring databases from different types of backups Online, Offline and volume shadow copy.
• Monitors critical applications during US business hours as defined within the prevailing Service Level Agreement by performing health monitoring and maintenance activities to ensure service availability, integrity, and quality are upheld.

Environment: Office 365, Exchange Server 2010/2013, Active directory, Azure, TCP/IP, Outlook Anywhere, Lync 2010/2013, VMware, ADS, DNS and DHCP.

Confidential, Princeton, NJ

Office 365/ Exchange Consultant

Responsibilities:

• Responsible in successful migration of the Microsoft Exchange 2010 environment to an Exchange 2013 scenario, provided support and administration and complete documentation.
• Installed and the managed the active directory, Created the GPO’s based on the requirements and placed them as OU.
• PowerShell Scripts to automate migration steps.
• Maintained organization of new and removed Active Directory users created by Exchange.
• Support in responsible for the Active Directory (AD), GPO, Domain Users, Users and groups and given appropriate permissions, shares and privilege to access to LAN and Domain Environment.
• Setting up Outlook Anywhere for the environment and perform databases maintenance using eseutil tools.
• Operation management for Lync/skype for Business, Using windows server: 2012, cloud server.
• Establishing user accounts and group policies with troubleshooting existing GPOs.
• Create DAG configuration for High Availability of mailbox databases in a cross-site configuration.
• Tested Load Balanced configuration for High Availability of mailbox databases in a cross-site configuration.
• Verified user functionality and access to services via Outlook, OWA, and Outlook Anywhere and assisted in resolving issues.
• Responsible to design, implement and support solutions:
• Configuration of ISA server for web publishing and access
• Microsoft Windows Server 2008 Failover Cluster Planning and configuration
• IPsec Exceptions - which undergoes Microsoft Policy
• Participate in the verification of DNS and Exchange 2010 systems and made changes to infrastructure to better suite migration effort.

Environment: Office 365, Exchange 2010/2013, Skype for business, Lync 2010/2013, DAG, Outlook Anywhere, AD, GPOs, Azure AD Connect.

Confidential, Houston, TX

System Administrator

Responsibilities:

• Worked closely with the Office 365 migration team during large client migrations to assist and provide support
• Setup and maintained Microsoft Office 365 (SharePoint Online, Exchange Online)
• Proven experience installing and administering Exchange Server 2007/2010.
• Perform MS Exchange system administration activities involving install, update, configure and maintain servers
• Migrated Exchange 2007 to Exchange 2010 for 6500 users.
• Migrated user mailboxes to the Exchange 2010 environment and mitigated any issues that arose.
• Load balanced Client Access servers to provide high availability of services.
• Created Database Availability Groups for the high availability of the back-end databases.
• Troubleshot issues with OWA, ActiveSync, and Outlook connectivity. Decommissioned legacy Exchange 2007 servers after completion of transition.
• Used SCOM to monitor services within Exchange and Lync environments.
• Handled administrative tasks within Active Directory.
• Created new OUs, security groups, distribution groups.
• Assisted in resolving replication issues with Domain Controllers.
• Added, deleted, modified user and group permissions and access in Active Directory.
• Managing and monitoring NOC (Data Center Network & servers).
• Responsible for implementation Leased Line in all locations.
• Maintenance of LAN network, wan network, for different departments and Implementations of LAN network and WAN Configurations
• Windows 2003 Servers, Windows XP, Data Backup and restore, Migration, Backup Domain Server management, TCP/IP
• Troubleshooting, monitoring testing of various Lease lines with various speeds between 2Mbps to 8 Mbps.

Environment: Office 365, Exchange Server 2007/2010, Office 365 Exchange Online, Active Directory, Outlook Anywhere