PROFESSIONAL SUMMARY:

• Over 7years of extensive experience of Office 365 Administration, End - User computing, VMware and Migration.
• Completed many complex ADFS & ADFS Proxy Deployments, ADFS Claim Based Rules, Publishing of ADFS with TMG 2010, Single & Multiple Domain Federation of ADFS with Microsoft Office 365 Cloud, Dir Synchronization, Exchange email migration using Cutover, Staged and Hybrid Deployment and POP3 and IMAP email clients Migration.
• Excellent understanding of Exchange Online Configuration and Email migration, FIM synchronization.
• Experience in implementing office 365 to Apple, Android devices using Microsoft Intune, Active sync
• Lync online Configuration and installation on Client machines, Creation of Team Sites on SharePoint Online, Setup of ADFS 2.0 and ADFS proxy servers, Directory Synchronization, Email Migration approaches.
• Assisted Office 365 customers with configuration of onboarding tools and processes, Initial setup of Office 365 (Mail Flow, Office installations, basic tasks when starting with Office 365).
• Delivered more than 30 migrations from on premise Exchange platforms to Office 365.
• Migrated customer's 15,000 Exchange 2003 mailboxes to Microsoft Office 365.
• UpgradeWindows7/8/8.1 Laptops & Desktops toWindows10.
• ConfigureWindows10settings
• Utilized PowerShell and well as the Lync control panel to enable users, set and check polices, and monitored services and replication.
• Assisted existing staff with Lync 2013 Server (Skype for Business, Lync 2013, and Lync 2011 for Mac clients), MobileIron and Exchange 2013 system maintenance, configurations, upgrades, installations and troubleshooting for production and non-production environments.
• Configuring and administration on complex Lync/Skype for Business and Lync Enterprise Voice solutions, Audio/Video/Web Conferencing, Configure mobile access for Skype for Business, SIP Trunk Configuration, Call Admission Control and Quality of Service.
• Advanced Knowledge of Active Directory, DNS, and DHCP in an enterprise environment.
• Deep understanding of multi domains, multi forests.
• Worked in Multi-forests environment.
• Deployed Active Directory environment including file shares and DNS to replace workgroup based infrastructure.
• Implementation of PowerShell scripts to efficiently fix errors for the customer's support teams found through the Active Directory environment.
• Experience with Active Directory (including Federated Services, and Enterprise Group Policy Management), Microsoft Identity Management platforms.
• Installed, configured, and maintained Active Directory and third-party migration products for the duration of the project.
• Office 365 Migration participated as part of a team responsible for migrating Exchange 2013 to Office 365 Online. Setup rules for SPAM filtering & Blacklist and Whitelist Email Address/Domain in the cloud and TLSconnectors.
• Responsible for creating and maintaining the new LDAP OU, Groups, Schema, and attributes.
• Understanding of AD Attributes, LDAP Queries, PowerShell Scripting to Modify AD Attributes, Group Policy Analysis, GPO Configuration Trouble shot issuesrelated to Forefront Identity Manager.
• Experience in configuring LDAP, SSL, SSO (CA Siteminder) and Digital Signatures.
• Tracked incoming\outgoing mail and troubleshoot mail flow issues through the use of message trace.
• Provisioned accounts in directory using FIM.
• Resolved technical issues for clients in person, on the phone and through e-mail.
• Resolved connectivity issues for remote users while managing upgrades, backups, server configuration, remote mail, security, virus protection and software troubleshooting.
• Configuredmy profilesandmysitesin SharePoint.
• Managed Phone API applications and cloud services through social networking portals.
• Added user accounts, fixed issues with users and the monitored usage on multiple applications.
• Maintained a non-production lab environment with various versions of Exchange (2003, 2007and 2010) for several testing purposes.
• Configured and performed backups of various Exchange Server Mailboxes.
• Experience in Creating and managing Mailboxes, Distribution Lists, and Public Folders.
• Performed role of a Server Administrator for 20+ Microsoft Servers running Windows Server 2003/2008/2012.
• Experience in troubleshooting issues with Outlook, Exchange server, ActiveSync and OWA.
• Ability to make decisions and manage time effectively to a deliver plan on schedule.
• Strong perseverance and diligence towards attaining challenging goals and effective time management.
• Good communication skills, inter personal skills and proven ability to perform both as an individual and as a team player.

TECHNICAL SKILLS

Active Directory administration: GPO, Domain Controllers, OU

Solid understanding of application systems like: SharePoint 2010-2016, Microsoft Office products 2003-2016, Vmware ESX/ESXi, TCP/IP DNS/WINS DHCP, Lotus Notes, Office 365 Pro Plus, Microsoft forefront identity manager, VMware, VSphere 3.5/4.1/5.0, Workstation, ESX Server 3.5

Strong technical acumen of servers for administration purpose: MS Windows Server, MS SharePoint Server, MS Office Communication Server, PowerShell Scripting, Hyper-V Server Administration

Thorough understanding of Office 365 products: Active Directory, Lync, Skype for Business, Yammer, Azure Active Directory, PowerShell, Microsoft Office products 2003-2016, Microsoft FastTrack

Experience in Operating Systems: Windows XP, Windows 7, Windows 8, 8.1, Windows 10, Microsoft Server 2003, Microsoft Server 2008, Microsoft Server 2012, Ubuntu, Linux, Mac OSX, Apple products, Android, iOS devices

PROFESSIONAL EXPERIENCE:

Confidential, Louisville, KY

Windows System Administrator

Responsibilities:

• Successfully migrated 1500 user mailboxes from Exchange 2013 toOffice365to create a hybrid deployment for the business.
• Worked on deployment of hybrid Office 365 environment with Exchange 2013 environment.
• Deployed Azure AD Connect and performed Office365 tenant validation.
• Created repository for new modern public folders and moved hierarchy and content from Exchange 2007.
• Management the Exchange 2007/2013 Servers. Performed advanced trouble shooting of Exchange 2007/2013 server hardware & Office 365 including mail routing issues.
• Migrated ADFS 2.0 server farm to ADFS 3.0.
• Managed and configured Microsoft’sOffice365Azure directory.
• Used Azure AD Connect for directory synchronization and federation with ADFS 3.0.
• Completed Exchange Online Hybrid deployment using Exchange 2010 servers.
• Implemented pilot group for Exchange Online.
• Migrated 1050 mailboxes to Exchange Online.
• Assigned and revoked licenses to user accounts for services withinOffice365.
• Enabled test users to skype for business online, and tested their functionality.
• Enabled all users for licenses for Skype for Business and enabled policies and conferencing.
• Migrated Blackberry, Android devices using Intune.
• Fixed synchronization errors for Active Directory, SMTP and GUID and Immutable ID issues.Architected and deployed the technology infrastructure within the environment, including Microsoft Exchange Servers, and Windows Servers Performed mid-migration and post-migration support to the enterprise.
• Used Exchange Server Profile Analyzer to understand the current environment
• Utilized Exchange Calculator Sheet for Mailbox Sizing.
• Cleaned up Active Directory user objects with inconsistencies that prevented them from synchronizing through DirSync to Office 365.
• Managed the deployment and migration of Lync 2010 to Lync 2013.
• Assisted with the testing implementation of Skype for Business 2015 for IM, Voice, Video, and collaboration services. Performedweekly status informationon all the projects to Project Manager. Configure and troubleshoot AD smart card authentication.
• Performing Migrations from On-premise to the Cloud basedOffice365Environment and troubleshooting errors and problems encountered during migrations.
• Exchange Online Configuration and Email migration and Lync online Configuration and installation on Client machines.
• Maintained system documentation logs and assisting in troubleshooting and diagnosis of system problems.
• Management of users, computers, and GPOs in Active Directory.
• Maintaining Active Directory infrastructure, create accounts, groups, GPO etc.
• Designed and Implemented network design using TCP/IP.
• Monitored mailbox moves using migration reporting and addressed issues with bad items and failed moves.
• Provided support and maintenance of Microsoft Office Outlook Web Access and Microsoft Office Outlook Email, Calendaring & Scheduling.

Confidential, Princeton, NJ

Office 365/Exchange administrator

Responsibilities:

• Created and configured mirroring in case ofDisaster Recovery problems.
• Installation on clustered environments and createdclustered and non- clustered indexes
• Worked closely with theProjectteam in clarification of requirements and
• communicated the same to theoffshore team.
• Performedweekly status informationon all the projects to Project Manager.
• Configure and troubleshoot AD smart card authentication.
• Performing Migrations from On-premise to the Cloud basedOffice365Environment and troubleshooting errors and problems encountered during migrations.
• Exchange Online Configuration and Email migration and Lync online Configuration and installation on Client machines.
• Maintained system documentation logs and assisting in troubleshooting and diagnosis of system problems.
• Management of users, computers, and GPOs in Active Directory.
• Maintaining Active Directory infrastructure, create accounts, groups, GPO etc.
• Designed and Implemented network design using TCP/IP.
• Monitored mailbox moves using migration reporting and addressed issues with bad items and failed moves.
• Provided support and maintenance of Microsoft Office Outlook Web Access and Microsoft Office Outlook Email, Calendaring & Scheduling.
• Configured email client with office 365 email addresses, configured mobile phones with email clients, shared calendars and trouble shoot issues related to sharing, experienced with Office 365 Pro Plus troubleshooting issues.

Confidential, Washington, DC

Systems/VMware Support Engineer

Responsibilities:

• VMware ESX 2.5, Windows Management Console, vSphere Migration, VMware Tools and VMotion tools.
• Performed systems administration for Windows based servers on VMware ESX 2.5 infrastructure environment.
• Publishing and assigning the user permissions to access the Applications in Windows Management Console.
• Creating the load evaluators for load balance purpose while users accessing the Applications.
• Co-ordinated with storage team for the datastore consolidation and resize project after the vSphere migration from 4.1 to 5.5.
• Maintained web Servers by using putting in IIS 6, FTP websites and Experience in managing ESX 4.0 server, installing, configuring it.
• Installed and configured windows and Linux servers on VM's. Installing VMware Tools in a Linux virtual machine using RPM and Compiler.
• Upgrading VM tools, VM hardware versions and Datastores upgrade to VMFS 5.
• Worked on building new VMware Active directory exchange and MS Exchange 2010.
• Design, Install and configure VMware vSphere 5.0 servers on Cisco UCS chassis and B250 blade servers.
• Manage and monitor Active Directory services and group policies.
• Worked on large datacenter consolidations and completed them successfully using multiple P2V conversion using VCenter Converter.
• Migrating infrastructure VMs from VSphere ESXi hosts.
• Creation of templates for deploying new virtual machines, managing multiple snapshots, cloning Virtual Machines, Installation of VCenter server and Configuring ESXi - hosts within the cluster using VMotion and HA.
• Configuration, Administration and Troubleshooting of Active Directory, Group Policy Management (GPO), IIS.
• ManagedVMwareESXi Hosts using vSphere client and Web client.

Confidential, Merrimack, NH

Windows System Administrator

Responsibilities:

• Active Directory, VMware, ESXI servers, LAN/WAN, vSphere V5.0, VMware View VDI
• Windows Server administration and maintenance including Active Directory and Group Policy.
• Implemented the local configuration of a new server/communications room and installed application servers as well as configured and deployed desktop hardware and software into the new network environment.
• Planned, implemented and tested disaster recovery solutions with department managers from North American offices on an ongoing basis.
• Supported and maintained LAN/WAN and related equipment.
• Diagnosed and resolved all network related issues.
• Directed the move of 50 client’s data and applications from previous company ensuring data integrity and accessibility.
• Assisted with all related VMware issues including the regional ESXi servers refresh.
• Responsible for updating and patching all ESXi servers.
• Responsible for maintaining Virtual Center for the Test and Development environments.
• Administered and maintained the vSphere V5.0 infrastructure.
• Administered DHCP Server creation of reservation and under reservation options, configuring of router IP address.
• Involved in Monitoring and basic troubleshooting of storage devices. Installed and configured various applications in Citrix environment.
• Worked on Configuring and maintaining VMware View VDI environment.
• Configured and maintained DNS, DHCP, File & Print Servers.
• Created security groups, user accounts and maintaining them.
• Involved in Installing, configuring, and maintaining Sophos as an anti-virus solution.
• Participated in the design and review of new technologies for Windows/VMware systems and Windows application deployments as part of the system procurement and long term strategic goals.

Confidential

Windows System Administrator

Responsibilities:

• Organizational Units, LAN, WAN, DNS, DHCP, TCP/IP, VPN
• Migrated over 700 mail accounts from Lotus Mail.
• Created new OUs, shared mailboxes, security groups, distribution groups.
• Supported customers having MS Outlook and Active Directory issues.
• Executed Server health checks for proactive monitoring and maintenance of messaging infrastructure. Duties included troubleshooting all 2nd and 3rd Level email, SPAM and Outlook client related issues.
• Administration, Troubleshooting and Monitoring of Microsoft Exchange 2007 and 2010 mail servers, andOfficeCommunication Server servers. The setup consists of about 30, 000 mailboxes across the globe.
• Worked on and managed Operating System upgrades within the environment from Windows Server 2008 to Windows Server 2012.Deployed virtual servers using VMWare to build out the Exchange environment.
• Deployed Client Access and Mailbox server roles on separate servers to provide balanced workload functionality.
• Deployed and configured Database Availability Groups to provide high availability of services.
• Deployed Edge server for Exchange for external communication as well as to authenticate mobile devices.
• Ran server health and replication reports to assure that systems were running at the expected optimal performance.
• Worked closely with the firewall and security team to open ports and set rules for functionality.
• Troubleshot issues with email internally as well as externally.
• Troubleshot issues with the client, user authentication, and mobile devices.
• Used transaction logs to aid in troubleshooting efforts regarding emails and databases.
• Held training for user and help desk to enhance user adoption and decrease calls to service desk personnel.Provided technical support for Android, Blackberry, iPhone, along with tablets of Android and IOS operating systems when facing issues with ActiveSync.
• Added, deleted, modified user and group permissions and access in Active Directory.
• Migrated Exchange 2007 to Exchange 2010 for 6500 users.
• Configured virtual servers for the Exchange deployment utilizing VMWare ESXi platform.
• 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.
• Administered in place Lync 2010 deployment. Maintain MicrosoftWindowsServers (2003 and 2008), DNS, DHCP.
• Responsible for Maintaining and monitoring Datacenter.

Confidential

Windows System Administrator

Responsibilities:

• Backup, LAN, WAN, VMware, Hyper V, Network Diagrams, Router Settings, DHCP Server
• Project involves reorganization of Client IT Documentation.
• Involves in Software up gradation from an old application.
• Assembling Documentation from Disparate locations and in some cases acquiring the needed information from source applications. Then, entering the data in the proper locations in the software.
• Worked on various Network Diagrams, Server, Firewall, Router, Backup, LAN, WAN Settings.
• Monitoring Various Clients Daily Backup Information and updating the Daily Maintenance of overall performance of the Clients Systems.
• Configuring new Systems and Servers for the clients. Dismantling old Systems as for requirement.
• Trouble Shooting Clients LAN connection and making corrections to it.
• Installation of Software’s and Operating System as of required by the clients.
• Configured, Monitored and Maintained Virtual server farms consisting VMware and Hyper V.
• Defined and documented Backup & Recovery plans, as well as robust disaster recovery strategies.
• Assisted with VMware planning, consolidation, and upgrades
• Performed cost analysis supporting consolidation of physical servers into VMware
• Responsible for the planning, testing and implementation of server software patches and upgrades as scheduled
• Administered DHCP Server creation of reservation and under reservation options, configuring of router IP address.