Uzair Ahmed P
Infrastructure Lead - M365 Collaboration & Exchange
Bangalore
Summary
Microsoft 365 Exchange SME & Infrastructure Lead with 10 years of enterprise IT experience. Expert in Exchange Online, Hybrid Exchange, and Azure AD/Entra ID with strong focus on identity governance, compliance, and automation. Skilled in PowerShell scripting, migrations, and global BAU operations, delivering secure, scalable, and high‑availability collaboration environments.
Overview
3
3
Certifications
10
10
years of professional experience
Work History
Infrastructure Lead – Microsoft 365 & Exchange
Eurofins IT Solutions India Pvt Ltd
01.2025 - Current
- Lead M365 Exchange BAU operations, ensuring high availability, performance, and SLA compliance.
- Managed Exchange Online and hybrid environments: mail flow troubleshooting, connectors, transport rules, and accepted domains.
- Developed PowerShell automation scripts for Exchange Online (mailbox provisioning, transport rules, compliance reporting, MFA enforcement, message trace analysis), reducing manual workload, and saving approximately 3 to 4 hours per week.
- Defined governance frameworks, compliance strategies, and security models as Exchange SME.
- Implemented and maintained retention policies, litigation hold, and mailbox archiving to meet compliance requirements.
- Configured and enforced antispam and antimalware policies, spam filters, and mailbox recovery procedures.
- Resolved calendar sharing permissions, mail delivery issues, and NDR code troubleshooting to improve user experience.
- Collaborated with security teams to address Defender alerts, implement DKIM/DMARC, and mitigate compliance risks.
- Administered organization-wide Exchange policies and configurations to enforce consistent security baselines and exception handling across three geographical regions and more than 57 business units.
- Governed Azure AD identity security (Conditional Access, MFA, PIM, RBAC), and supported Zero Trust implementation.
- Led incident response efforts, root cause analysis, and ITIL‑aligned change management initiatives.
- Partnered with stakeholders and cross-functional teams to deliver service improvements and disaster recovery leadership.
Principal Associate IT – Microsoft 365 Administrator
Eurofins IT Solutions India Pvt Ltd
04.2020 - 12.2024
- Managed Exchange Online administration, including mailboxes, connectors, transport rules, and retention policies, ensuring availability and compliance.
- Administered Azure AD lifecycle management, RBAC, privileged accounts, and Conditional Access.
- Delivered governance for SharePoint Online, Teams, and OneDrive, establishing best practices for user access, and data management.
- Supported security and compliance monitoring (Defender, Purview DLP, audit logs).
- Performed migrations (on-prem to M365) using BitTitan and Quest.
- Handled L2/L3 incidents, escalations, and change management, maintaining service reliability, and minimizing disruption.
Information Technology Analyst
Tata Consultancy Services (Client: PwC Australia)
09.2016 - 03.2020
- Managed user lifecycle operations for about 12000+ accounts (create, update, disable accounts) and group memberships in Azure AD.
- Assisted with provisioning privileged account, password resets and MFA enrollment issues, providing frontline identity support.
- Configured and troubleshot Conditional Access policies to secure access to Microsoft 365 services, enhancing overall security posture.
- Supported application registrations and SSO integrations, ensuring smooth access to enterprise apps.
- Monitored sign‑in logs and security alerts to identify and escalate suspicious activity.
Education
Bachelor of Science - Computer Science
Vellore Institute of Technology
Vellore 04.2001 -
Skills
Exchange Online & Hybrid Exchange – Administration, mail flow, connectors, accepted domains, and EOP
Exchange Administration – End‑to‑end management of mailbox servers, policies, and compliance
Migration Tools – Tenant‑to‑tenant and hybrid migrations using BitTitan & Quest
Azure AD / Entra ID – Identity governance, Conditional Access, MFA, RBAC
Security & Compliance – DKIM/DMARC, Microsoft Defender, Purview
Privileged Identity Management (PIM) – Just‑in‑time access configuration and Zero Trust implementati
Collaboration Platforms – Teams, SharePoint Online, and OneDrive governance with cross‑functional en
Automation & Scripting – PowerShell scripting for provisioning, reporting, and workload reduction
Operations & Governance – SLA adherence, ITIL‑aligned change management, and incident/problem resolu
Leadership & Stakeholder Collaboration – Disaster recovery leadership, team mentoring, and global st
Service Management Tools – Proficient in ServiceNow and BMC Helix for enterprise ITSM
Endpoint Management – Intune device and app management for secure enterprise mobility
Certification
Microsoft Certified: Azure Fundamentals (AZ-900)
Timeline
Infrastructure Lead – Microsoft 365 & Exchange
Eurofins IT Solutions India Pvt Ltd
01.2025 - Current
Principal Associate IT – Microsoft 365 Administrator
Eurofins IT Solutions India Pvt Ltd
04.2020 - 12.2024
Information Technology Analyst
Tata Consultancy Services (Client: PwC Australia)
09.2016 - 03.2020
Bachelor of Science - Computer Science
Vellore Institute of Technology
04.2001 -