Soham Sankar Hazra

IT Infrastructure engineer experienced in Microsoft Exchange server/Office 365 administrator responsible for providing support and maintenance to hybrid messaging infrastructure for the client. My objective is to obtain client satisfaction through my work and provide service improvement plans in terms of technology and process.

• Office 365 administration / Microsoft 365 administration
• Microsoft Exchange server administration (Exchange server 2013/2016/2019 and Exchange Online)
• Migrated Exchange mailboxes from Exchange 2013/2019 to Office 365 (Full hybrid migration)
• Microsoft Powershell
• Microsoft Azure AD connect/Entra connect
• SMTP Relays
• Proofpoint Email Gateway administration
• Microsoft Teams administration
• One Drive and SharePoint online administration
• Microsoft Windows Server, Windows Active directory and Azure Active Directory

Exchange server on-premises and Exchange Online Experience-

• Working as a support engineer handling infra email mail flow and other email issues related to MS Exchange/Office 365 in a hybrid email messaging environment.
• Managed the designing of Mail flow architecture and implementation of Exchange hybrid environment between Exchange 2013 and Office 365 environment.
• Providing support to a hybrid environment consisting of Exchange on-premise infrastructure and Exchange online.
• Have good knowledge on co-existence of Exchange on-premise with Exchange online/office 365.
• Have working knowledge on Exchange hybrid deployment (Full hybrid migration).
• Have managed hybrid identity for Exchange environment via both password hash and pass-through authentication sync solution methods and also have working knowledge on ADFS authentication method’s working.
• Providing technical support for server level troubleshooting and Outlook client issues related to client connectivity with server.
• Recipient creation in office 365 tenant, licensing of end users and recipient management for new users and user leaving organization.
• Created Office 365 groups, Security groups/Mail enabled security groups, Distribution lists and Dynamic distribution list, resource mailbox and shared mailbox and assigning permissions like send as/full access/send on behalf to mailboxes.
• Created custom domains inside office 365 tenant and configuring DNS records to verify domain ownership and working with different Office 365 workloads.
• Configured email address policies for email addresses through exchange on-premise admin centre for accepted domains.
• Mailbox database management and user mailbox configuration management from Exchange management console.
• Created of mailbox databases, setting up of (DAGs) for high availability solutions.
• Worked on deploying Azure AD connect as a directory sync tool from Exchange on premise to Microsoft 365 environment.
• Worked on handling mail flow issues in Exchange hybrid environment and Autodiscover issues.
• Worked on Exchange online protection (EOP) gateway for troubleshooting spam, malware and malicious email domain related issues for Exchange hybrid environment along with creation of DLP policy and ATP policies for managing email messaging hygiene.
• Created accepted domains and configuring remote domains for email management.
• Configured connectors for mail flow through EAC and Exchange online admin centre.
• Configured federated trust sharing for calendar free/busy information and performed troubleshooting of calendar permission issues.
• Performing litigation holds, inplace hold and content search to user mailboxes and obtaining results through eDiscovery search.
• Creating retention tags and assigning retention policies to mailboxes, working on inactive mailboxes.
• Performed Mailbox content restoration from one user to another.
• Performed mailbox dumpster clearing.
• Performed audit log search from Office 365 admin centre for compliance management and email journaling in exchange hybrid environment for regulatory needs.
• Possess knowledge and participated in Exchange CU installation activity.
• Have knowledge on Exchange on premises transport architecture.
• Worked on extraction of mailbox databases in form of PST via Kernel for Exchange servers and also worked eDiscovery content export for mailboxes.
• Usage of troubleshooting tools like Sara, Fiddler and Wireshark for investigating issues via logs.
• Worked on installing, renewal of exchange certificates and troubleshooting issues regarding exchange certificates.
• Monitoring health of office 365 apps from health centre.

Proofpoint Email Gateway Experience-

• Worked on handling different mail delivery issues from external domains to client domain via Proofpoint email gateway.
• Whitelisting/Blocking of IP addresses/email addresses and exceptions on Proofpoint gateway.
• Email tracking through Proofpoint smart search.

Microsoft Teams administration experience-

• Worked on addition/deletion of domains for external access through Microsoft Teams admin centre.
• Worked on configuration of guest access for members in Microsoft Teams.
• Performed Microsoft Teams room health checking and troubleshooting related to policies and permissions.
• Performed Microsoft Teams call quality and meeting issues troubleshooting.
• Handled issues related to Microsoft team’s client customization through Microsoft Team’s admin centre and it’s messaging policies.
• Worked on addition/deletion of members from a Microsoft Teams channel.

Sharepoint Online and OneDrive administration experience- 

• Have SharePoint Online, One Drive and Office Deployment Tool (ODT) Experience.
• Worked on SharePoint online sites access and configuring SharePoint site policies for access related issues.
• Worked on troubleshooting of OneNote sync issues with OneNote online, OneDrive data syncing issues with OneDrive online, handling Yammer related issues.
• Worked on providing One Drive profile access of terminated users to new user accounts.
• Restoration of deleted SharePoint online sites from SharePoint online admin centre.
• Worked on SharePoint Online storage limits.
• Worked with deployment of Office 365 pro plus suite through Office deployment tool (ODT).

BAU activities performed-

• Worked on ticketing tool Service Now for incident management and providing support through chat, calls and email support to meet target SLA and customer satisfaction and provide service improvement plans through technology and process.
• Working and collaborating with vendor Microsoft as the final point of contact for any service outage.
• Performing BAU activities for optimizing service management like KB article creations, updating run books and SOP.

• Cleared Microsoft Azure Fundamental AZ-900 certification.
• Attended MS 203 Microsoft Messaging administrator certification from Udemy.
• Attended MS 900 Microsoft 365 fundamental certification from Udemy.

I hereby declare that the information furnished above is true to the best of my knowledge and belief.