SUMMARY

• Over 6+ years of Experience in providing IT infrastructure solutions on technologies like Office 365, MS Exchange, System Center Configuration Manager, Active Directory, VMware ESX/ESXi, Hyper - V, Windows Server, Networking.
• Working experience with various servers and have vast knowledge in Windows, MAC, Linux and Unix Operating Systems.
• Experienced in Implementation and Migration of Skype for Business, Lync 2010, Lync 2013, Exchange 2013 and 2016, Active Directory 2008, 2002 and 2016, System Center Configuration Manager 2016.
• Experienced in configuring Windows Server 2016, 2012R2 Active Directory Domains, configuring DNS, DHCP, trust relationship, permissions.
• Worked with business units to incorporate Office 365 and cloud-based solutions into business operations
• Worked with Office 365 Tenant implementation with Azure AD Connect and ADFS for Single Sign-On.
• Experience in discussing the E-discovery needs.
• Track key metrics and activities to ensure a fully defensible e-discovery process
• Extensive experience in configuring and managing. Troubleshooting Physical, Virtual infrastructure in Cloud and On Premise on Windows server, Active Directory, Networking, Storage, VMware, Hyper -V, AWS Cloud, Microsoft Azure (IAAS, PAAS, SAAS), MS Exchange, Office 365, PowerShell scripting, and Power Shell.
• 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.
• Expert in Microsoft Exchange technologies Exchange 2003, 2007, 2010, 2013, as well as Office 365 and Microsoft Lync 2010 and 201.
• Experience with windows clustering services and deploying CCR, SCR and LCR.
• Worked on Tier 2 support for O365 Hybrid environment, including support for Single Sign on using Site minder, Azure AD Connect tool, SharePoint, Skype for Business and on-premises Exchange.
• Experienced in configuring Windows Server 2012 Active Directory Domains, configuring DNS, DHCP, trust relationship, permissions.
• Successfully created team sites on SharePoint Online and SharePoint migration to Office 365.
• Vast experience troubleshooting issues with Outlook, Exchange server, ActiveSync and OWA.
• Experience in networking and connection solutions VPNs, LAN, WAN, DNS, and TCP/IP.
• Experience in Implementation of P2V and V2V Migrations using SCVMM 2012, VMware Converter and Plate Spin tools.
• 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.
• Implemented Right fax 9 environment. Created a hybrid VM and virtual server environment.
• Providing High Availability Solutions (DAG) for User Mailbox Databases.
• Experience of Cisco LAN switches, including 6500 HP 5500 and 5120 switch installation requirements and guidelines.
• Expertise with Symantec Enterprise Vault in outlook
• Knowledge on Symantec Enterprise Vault email archiving
• Experience in administration, troubleshooting and resolving Group Policy Objects.
• Knowledge on Microsoft Identity Manager (MIM) and Forefront Identity Manager (FIM).
• Experience working with and configuring ISA servers.
• Good communication skills, inter personal skills and proven ability to perform both as an individual and as a team player.
• Ability to make decisions and manage time effectively to a deliver plan on schedule.

TECHNICAL SKILLS

Cloud: AWS, Microsoft Azure, Office 365

Ticketing System: Remedy and ServiceNow

Virtualization: VMware vSphere 4.x.5.x, Hyper-V, VMotion, VMware ESX/ESXi 4.x, 5.x, VCenter.

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.

Admin Management: Group policies, Active Directory(AD), Active Directory Federation Services(ADFS), Microsoft Exchange Servers and Microsoft Windows servers.

PROFESSIONAL EXPERIENCE

Confidential, Dallas, TX

Exchange/Office 365 Administrator

Responsibilities:

• Working and Deployed with upgraded Microsoft Exchange 2013 to Office 365 Environment.
• Troubleshooting Experience with Outlook, Exchange server, ActiveSync and OWA.
• Managed Microsoft Exchange server 2016 and recipient objects
• Planning and configuring the active directory infrastructure on exchange server 2016
• Configured DirSync and ADFS Servers for synchronization and single sign-on.
• Developed transition plans and managed migration projects across a variety of scenarios including on premise, Hybrid and hosted Exchange, and application upgrades. Including Active Directory Federated Services with Windows Server.
• Install and configure users with VPN access & remote access Experience with System Center Configuration Manager (SCCM). Patching updates/ Application Inventory/ deploying software etc.
• Providing Technical Support for Post ­Migration Issues/Issues faced by users in the Hybrid Environment.
• Extensive experience in configuring and managing. Troubleshooting physical, Virtual infrastructure in cloud and ON premises on Windows Server, Active directory, Networking Storage, VMware, Hyper-V.
• Planned and implemented transition from Exchange 2013 to Exchange Online for a few hundred users.
• Assisted in troubleshooting Remote Servers, TLS connections, Application Mail Relay, Backup and Restore, Disaster Recovery and Patch Management.
• Ensured all Office 365 products installed on client IT systems has end-to-end optimal performance, capacity and availability.
• Used ID Fix and ADMODIFY.NET to fix synchronization errors for Active Directory, but not limited to UPN matches, SMTP Errors, and GUID and Immutable ID issues.
• Providing High Availability Solutions (DAG) for User Mailbox Databases.
• Experience with windows clustering services and deploying CCR, SCR, LCR.
• Administered the Domain Name Server (DNS). The DNS is tied to the directory, and the operation of the directory service is based on a properly functioning dynamic DNS infrastructure.
• Performance monitoring on the overall utilization of the cluster. Experience in implementation of Office 365 Enterprise E1, E3, E4 and E5 Licenses.
• Supported Offline Address book, Calendaring and free busy related issues. Prepared on premise AD infrastructure for migration effort by using the IDFIX tool for directory cleanup.

Environment: Office Pro Plus 365, Exchange online, Microsoft Exchange server 2007/2012/2013 , VMware ESX, Office Enterprise 365 E1, E3, E4 and E5, Windows Power Shell, ESX/Virtual center, Windows server 2008/2012, TCP/IP, DNS, Group Policy, IMAP, LDAP, AD DS, DNS, SCCM, DCHP.

Confidential, Middletown, NJ

Office365/Exchange Administrator

Responsibilities:

• Worked closely with the Office 365 migration team during large client migrations to assist and provide support.
• Worked and resolved issues on Azure AD relating to Office 365 identity and user permissions.
• Provided a business solutions for the small and enterprise level companies using Lync Online and combination of Cloud-based Office 365 and On-premises Exchange servers.
• Configuring a managing DNS, DHCP, web servers and other Active Directory Services.
• Furnished large-scale Active Directory/Exchange 2007/2010, Lync 2010 configuration, migration involving Blackberry Enterprise Server accounts with general administration and oversight.
• Administration, Maintenance and Management of Mailboxes and Troubleshooting Exchange Components (Exchange Database, Outlook Web Access, Offline Address List, Mail Flow, Public Folders, Free/Busy Information).
• Troubleshoot Azure services synchronization with on premise AD and resynchronized using the Azure tools.
• 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.
• Assisted in troubleshooting Remote Servers, TLS connections, Application Mail Relay, Backup and Restore, Disaster recovery and Patch Management.
• Designed mail flow and requirements for external connectivity including. OWA, ActiveSync and Outlook anywhere.
• Experience in deploying virtual servers using VMware ESX/ESXi platforms.
• Establish high availability using techniques such as continuous replication, recovery storage groups, network load balancing, single copy clustering, and similar techniques.
• Manage recipient objects, including migrating recipients from previous versions of Exchange server to Exchange server 2010/2013.
• Performed administration tasks, including modifying the Active Directory, server and database maintenance, deletion, creating Notes ID's, password resets and client configuration.
• Administered daily tasks both for the on premise and the cloud environment using PowerShell.

Environment: Azure AD Connect, Dir Sync, ADFS, Web Application Proxy, PowerShell cmdlets.

Confidential, Kansas City, MO

Office 365 Administrator/ Exchange Administrator

Responsibilities:

• Performed various Office365 administrative roles in Exchange Control Panel (ECP), Skype for Business, Password management, Exchange and Security management.
• Maintained documentation for all the deployment related steps of the Microsoft O365/Exchange and Messaging-computing environment.
• Worked on deployment of hybrid Office 365 environment with upgraded Exchange 2016 environment.
• Developed transition plans and managed migration projects across a variety of scenarios including on premise, Hybrid and hosted Exchange, and application upgrades. Including Active Directory Federated Services with Windows Server.
• 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.
• Performing Migrations from On-premise to the Cloud based Office 365 Environment and troubleshooting Errors and problems encountered during migrations.
• 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.
• 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.
• Utilized Exchange Calculator Sheet for Mailbox Sizing.

Environment: Exchange 2007, 2010, OU, Security Groups and Distribution Groups

Confidential

Windows system Administrator

Responsibilities:

• Maintained and managed Exchange components including Exchange Database, Public Folders, Offline Address List, Free/Busy Information, Outlook Web Access and Mail Flow.
• Troubleshot issues with OWA, ActiveSync, and Outlook connectivity.
• 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.
• Deployed Client Access and Mailbox server roles on separate servers to provide balanced workload functionality.
• Performed system administration, monitoring and patching of Microsoft Windows 2000/2003/2008 and VMware.
• 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.
• Administration, Troubleshooting and Monitoring of Microsoft Exchange 2003, 2007 and 2010 mail servers, andOfficeCommunication Server servers. The setup consists of about 30, 000 mailboxes across the globe
• Expertise in server builds in Disaster recovery (DR) mode.
• Ensured highest availability of mail servers, monitoring exchange message routing and database backup and troubleshooting.
• Troubleshooting all 2nd and 3rd Level email, SPAM and Outlook client related issues.
• 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.
• Deployed Client Access and Mailbox server roles on separate servers to provide balanced workload functionality.
• Deployed Edge server for Exchange for external communication as well as to authenticate mobile devices.

Environment: Windows 2008, 2008/R2, ADS, DNS, DHCP, Microsoft Outlook, Disk utility.

Confidential

System Administrator/Technical consultant

Responsibilities:

• Analyzed, logged, and tracked complex software and hardware matters of significance pertaining to network connectivity and/or access issues reported via phone, email or other ticketing system.
• Documented SOPs and user documentation for Incident Management, Account Management, Laptop Training Support, and support.
• Created the user accounts and profiles, assigned permissions using Active Directory, a directory service which contains information of all user accounts and which optimizes the network traffic.
• Monitored the server and analyzed the root cause for the issues and further resolving it by providing the Documentation.
• Experience in implementing and maintaining Intranet-websites. Support experience in Windows administration and Hardware Troubleshooting.
• Configuring different e-mail clients like MS-Outlook.
• Executed modifications to Windows systems in order to improve efficiency, reliability, performance &System Security.
• Troubleshot issues with the client, user authentication, and mobile devices.
• Evaluated and recommended cost effective new or enhanced hardware and/or software systems, services and network technologies for maximum functionality and infrastructure security based on customer and/or company needs. Creating domain trusts for different domain users to gain access to data and resources.
• Defined and documented Backup & Recovery plans, as well as robust disaster recovery strategies.

Environment: Windows 2008, 2008/R2, ADS, DNS, DHCP, Microsoft Outlook, Disk utility, Windows XP\7.