Senior Microsoft Exchange Server Administrator

We are seeking a highly experienced Exchange Server Administrator with in-depth expertise in managing both on-premises and cloud-based Exchange environments, including Exchange Online (Office 365). The ideal candidate should have strong experience in email infrastructure, migration planning, security compliance, and be highly skilled in scripting (PowerShell) for automation and administration.

Key Responsibilities:
Manage and administer Exchange Server (2013/2016/2019) and Exchange Online environments, ensuring high availability and performance.

Handle email migrations (on-premises to Exchange Online), hybrid configurations, and directory synchronization via Azure AD Connect.

Design, implement, and maintain email security, anti-spam/anti-malware, DLP, mail flow rules, and TLS configurations.

Troubleshoot mail delivery, performance issues, client connectivity (Outlook, ActiveSync, OWA), and hybrid email flow.

Manage public folders, shared mailboxes, distribution lists, and resource mailboxes.

Create and maintain PowerShell scripts for automation, reporting, mailbox management, and Exchange configuration tasks.

Implement retention policies, litigation holds, compliance rules, and eDiscovery solutions.

Monitor server performance, perform capacity planning, and conduct regular health checks using Exchange Admin Center (EAC) and Exchange Management Shell (EMS).

Provide support for M365 mail-related services including Defender for Office 365, Purview Compliance, and M365 audit/log analysis.

Work collaboratively with security, network, and application teams for change management, patching, and updates.

Technical Skills & Expertise:
Expertise in Exchange Server 2013/2016/2019 and Exchange Online / Office 365

Deep understanding of hybrid Exchange environments and Azure AD Connect

Proficient in PowerShell scripting for Exchange and Office 365 administration

Experience with Exchange migrations (Cutover, Staged, Hybrid, PST import)

Knowledge of DNS, SMTP, TLS, SPF, DKIM, DMARC

Familiarity with Microsoft Defender for Office 365, Purview, Security & Compliance Center

Hands-on with certificate management for secure mail flow (internal and external)

Basic understanding of Microsoft Intune / MDM policies for email access control (optional)

Qualifications:
Bachelor s degree in Computer Science, Information Technology, or a related field

8+ years of relevant experience in Microsoft Exchange and messaging systems

Microsoft Certifications preferred:

MS-102: Microsoft 365 Administrator

Exchange Server MCSE (Retired but valuable)

MS-700 or MS-101 (desirable)

Soft Skills:
Strong communication and documentation abilities

Proactive, self-motivated, and detail-oriented

Ability to work independently or in a team across multiple projects

Excellent troubleshooting and analytical skills