Systems Administrator

• Manage Microsoft 365 services across the unified communications environment, ensuring stable performance and consistent user support.
• Provide advanced Tier 2 and Tier 3 troubleshooting for email, collaboration, and content-related incidents, driving issues through to resolution.
• Administer Exchange Online in a cloud-based environment connected to on-premises Active Directory infrastructure.
• Oversee mailbox setup, account changes, deprovisioning activities, and the full lifecycle of user and shared mailbox administration.
• Configure and maintain distribution groups, mailbox permissions, connectors, transport rules, accepted domains, and other mail flow components.
• Investigate delivery problems using message tracing and related diagnostic tools to identify root causes and restore service quickly.
• Carry out approved configuration updates, perform validation testing, and confirm outcomes align with documented technical requirements.
• Develop and maintain runbooks, operational procedures, and support documentation to improve consistency and knowledge sharing.
• Partner with infrastructure and cross-functional teams on messaging-related initiatives, including retention, archiving, and mailbox policy administration.

• Use PowerShell to automate administrative tasks, streamline support activities, and improve operational efficiency. Requirements - At least 2 years of experience administering Exchange Online and Microsoft 365 in an enterprise setting.
• Hands-on knowledge of Microsoft 365 services, including messaging, collaboration, and content management administration.
• Experience supporting Exchange Online in a cloud environment integrated with Active Directory.
• Proficiency in PowerShell scripting for automation, reporting, and systems administration tasks.
• Strong understanding of mail flow, including connectors, transport rules, accepted domains, and message troubleshooting.
• Working knowledge of Active Directory, Microsoft Windows Server, and Exchange Online Protection.
• Ability to produce clear technical documentation, standard operating procedures, and support runbooks.
• Demonstrated capability to handle escalated support issues in a Tier 2 or Tier 3 environment.

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