Ajayy Kumar Gupta
@ajayykumargupta
Microsoft 365 and Exchange Online administrator specializing in L3 support, security, and tenant migrations.
ZimbabweWhat I'm looking for
I’m a Microsoft 365 and Exchange Online administrator with 7 years of experience delivering advanced L3 support, troubleshooting, and tenant-level administration in enterprise Microsoft 365 environments. I specialize in Exchange Online and Hybrid Exchange, and I’m recognized for improving service quality and resolving complex technical issues for global enterprise clients.
I manage Microsoft 365 tenants end-to-end—Exchange Online, SharePoint Online, Teams, and OneDrive—while strengthening email security through mail flow management and email authentication (SPF, DKIM, DMARC). I also support compliance outcomes by configuring DLP, eDiscovery, and retention policies, partnering with security and compliance teams to implement protection and governance effectively.
I bring 3.5 years of PowerShell experience, using Exchange Online and Azure AD PowerShell modules for bulk user creation, mailbox administration, monitoring, and automation. From Azure AD and Conditional Access/MFA to Microsoft Defender for Office 365 and Intune endpoint management, I help ensure secure access, reliable connectivity, and strong tenant security posture.
Experience
Work history, roles, and key accomplishments
Office 365 Administrator
IBM / Sureworks Infotech
May 2025 - Mar 2026 (10 months)
Managed Microsoft 365 tenant administration including Exchange Online, SharePoint Online, Teams, and OneDrive, and delivered L3 support focused on email security, mail flow, and client connectivity. Used PowerShell for bulk user creation, license assignment, mailbox and group administration, and configured security controls including SPF/DKIM/DMARC, Conditional Access, MFA, DLP, and retention/eDis
Provided technical support for Exchange Online, handling email security, mail flow, and client connectivity while administering Hybrid Exchange and mailbox migrations from on-premises to Exchange Online. Implemented and supported Microsoft Purview (DLP, retention labels, eDiscovery), Microsoft Defender for Office 365 anti-phishing/anti-spam/malware policies, and automated administration tasks usin
Delivered Microsoft 365 and Exchange Online support for Premier customers, including tenant-level administration and troubleshooting for mail flow and Outlook connectivity. Managed Azure AD Connect for user synchronization, implemented compliance and endpoint security configurations, and supported enterprise Microsoft 365 migrations and authentication for client applications.
Senior Engineer
Mindtree
Jul 2021 - Jul 2022 (1 year)
Performed Microsoft 365 administration, mail flow management, and Exchange Online troubleshooting, including syncing Office 365 and Azure AD with on-premises Active Directory. Supported Office 365 Enterprise plan implementations, executed mailbox migrations, configured transport rules/connectors, and troubleshot Intune enrollment and compliance issues.
Supported Active Directory, DNS, DHCP, and Microsoft infrastructure environments, providing L1 support for Exchange and enterprise collaboration tools with incident management and SLA adherence. Performed Exchange system administration tasks, handled Office 365/Azure AD synchronization with on-premises AD, and supported user security/compliance via MDM-related policies.
Education
Degrees, certifications, and relevant coursework
Ram Niranjan Jhunjhunwala College
Bachelor of Science
Earned a Bachelor of Science from Mumbai University at Ram Niranjan Jhunjhunwala College (2014).
Tech stack
Software and tools used professionally
Availability
Location
ZimbabweAuthorized to work in
Job categories
Skills
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