Senior Exchange / Microsoft 365 Administrator

Key Responsibilities:

• Configure and support Exchange (on-prem & online), ActiveSync, IIS, Active Directory, and Windows Server
• Monitor server performance, run diagnostics, and manage failover processes
• Perform and support mailbox migrations and Exchange upgrades
• Troubleshoot messaging-related issues across applications and teams
• Participate in disaster recovery planning and execution, including environment restoration
• Administer hybrid and cloud environments across multiple Azure AD tenants
• Manage and support Microsoft 365 / Office 365 configurations and policies
• Administer and support Exchange Online deployments
• Implement and maintain security and compliance policies (e.g., data retention)
• Support the Microsoft 365 messaging environment in the cloud
• Utilize PowerShell for administration, automation, and reporting
• Develop scripts to automate processes and improve efficiency
• Lead Exchange / Microsoft 365-related projects and initiatives

Required Qualifications:

• Strong experience with Exchange (on-premises and online)
• Experience managing hybrid Microsoft 365 environments
• Proficiency with Active Directory, Azure AD, and Windows Server
• Hands-on experience with PowerShell scripting and automation
• Experience with mailbox migrations and Exchange deployments
• Knowledge of Intune and/or AirWatch MDM solutions
• Ability to troubleshoot complex messaging and infrastructure issues
• Strong communication and collaboration skills

Preferred

• Experience working across multiple Azure AD tenants
• Background in enterprise environments with high availability requirements
• Experience leading or supporting large-scale Exchange / M365 projects

Overview

We are seeking a Senior Exchange / Microsoft 365 Administrator to support and manage a complex hybrid messaging environment. This role will be responsible for administration, maintenance, and optimization of Exchange (on-premises and online) and the broader Microsoft 365 ecosystem.