Sandeep Kumar Das
@sandeepkumardas
Microsoft 365 cloud engineer delivering secure, scalable tenant architecture and hybrid migrations.
IndiaWhat I'm looking for
I’m an Office 365 / Microsoft 365 Cloud Engineer with 17+ years of experience driving digital transformation through robust IT operations and Microsoft 365 architecture. I design, deploy, and govern Exchange Online, SharePoint Online, Teams, Intune, and OneDrive environments, with a strong focus on security, identity, and user experience.
At HCL Technologies, I architect and administer a global Microsoft 365 tenant supporting 50,000+ users, ensuring high availability and security. I lead complex hybrid migrations from on-premises Exchange to Exchange Online, build Microsoft Teams governance frameworks, and optimize SharePoint Online environments with automation using Power Automate and Power Apps.
I also strengthen access security by configuring Azure AD Connect, Conditional Access policies, RBAC, and Zero Trust-aligned identity controls, including enforcing Azure MFA across workloads and applications. I automate routine administration with PowerShell to reduce manual effort by 40%, and collaborate on compliance by implementing retention and sensitivity labeling with audit logging.
Experience
Work history, roles, and key accomplishments
Associate Consultant - Microsoft 365
HCL Technologies Limited
Jan 2019 - Present (7 years 2 months)
Architected and administered a global Microsoft 365 tenant supporting 50,000+ users, ensuring secure, high-availability Exchange Online, Teams, SharePoint Online, Intune, and OneDrive. Led hybrid Exchange migrations, implemented Teams governance, enforced Azure MFA/conditional access with Zero Trust alignment, and reduced manual administration effort by 40% via PowerShell automation.
Associate Consultant (M365 & Cloud)
HCL Technologies Limited
Jan 2019 - Present (7 years 2 months)
Architected and administered a global Microsoft 365 tenant for 50,000+ users, ensuring high availability and security across Exchange Online, Teams, SharePoint Online, Intune, and OneDrive. Led hybrid Exchange migrations, implemented Teams governance (including Phone with Direct Routing), automated administration with PowerShell, and reduced manual effort by 40%.
Senior Support Engineer
Convergys India Pvt Ltd
Jan 2015 - Jan 2019 (4 years)
Served as a Level 3 escalation point for complex Office 365 issues, troubleshooting Exchange Online, Azure AD Connect synchronization, and hybrid mail flow. Completed IMAP/PST and hybrid mailbox migrations to Exchange Online and supported SharePoint Online and OneDrive sync while resolving permission and connectivity errors.
Senior IT Executive
Suncity School/Suncity Project Pvt Ltd
Jan 2007 - Jan 2015 (8 years)
Directed IT infrastructure strategy for a 150+ user environment, managing Windows Server (AD, Group Policy, DHCP, DNS, file services) and server hardware (HP ProLiant, Dell PowerEdge). Managed network security using Cyberoam UTM, SonicWall, and Untangle, implemented McAfee antivirus and backups, and handled vendor management/AMCs for critical equipment.
Education
Degrees, certifications, and relevant coursework
Monad University
Master of Computer Applications (MCA), Computer Applications
Earned a Master of Computer Applications (MCA) at Monad University in Uttar Pradesh.
University of Delhi
Bachelor of Arts, Arts
Earned a Bachelor of Arts degree from the University of Delhi in New Delhi.
Availability
Location
IndiaAuthorized to work in
Salary expectations
Job categories
Skills
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