O365 Admin (Exchange Online) L3 Support Engineer

Key Responsibilities:

• Provide L3-level support for Exchange Online and hybrid Exchange environments.
• Proofpoint experience is must
• Should have good experience in Powershell and should be able to develope scripts for bulk operations.
• Troubleshoot and resolve complex issues related to mail flow, mailbox access, transport rules, and Exchange Online Protection (EOP).
• Handle escalations from L1 and L2 teams, ensuring timely resolution within SLA.
• Perform root cause analysis and implement permanent fixes for recurring issues.
• Manage and support hybrid configurations (Exchange Online + Exchange On-Prem).
• Collaborate with Microsoft support for unresolved or critical issues.
• Monitor service health, usage reports, and alerts via Microsoft 365 Admin Center.
• Assist in migration projects (e.g., Exchange On-Prem to Exchange Online).
• Maintain and update technical documentation and knowledge base articles.
• Participate in on-call rotations and provide support during critical incidents.
• SharePoint and Onedrive experience will de added advantage.

Required Skills

• Deep understanding of Exchange Online architecture and services.
• Experience with PowerShell scripting for Exchange Online administration.
• Knowledge of Active Directory, Azure AD, and identity federation (ADFS, SSO).
• Familiarity with Microsoft 365 Security & Compliance Center.
• Strong troubleshooting skills in Outlook connectivity, OWA, MFA, and mobile device access.
• Experience with email security, SPF/DKIM/DMARC, and anti-spam/anti-phishing policies.