No third-party candidates allowed Exchange Administration Manage and maintain Exchange Online and on-prem Exchange environments, including mail flow, hybrid configurations, and security hardening. Implement and maintain Exchange Online Protection (EOP) and Microsoft Defender for Office 365 policies, including anti-spam, anti-phishing, Safe Links, and Safe Attachments. Troubleshoot mail delivery, transport rules, and compliance issues. Manage mail routing, transport rules, connectors, accepted domains, DKIM, DMARC, SPF, and hybrid mail flow configurations. Administer shared mailboxes, resource mailboxes, distribution groups, Microsoft 365 Groups, and mail-enabled security groups. Perform advanced troubleshooting of mail flow, hybrid connectivity, directory synchronization, transport services, message trace analysis, and client connectivity issues. Qualifications Deep expertise in Exchange Online and on-prem Exchange administration. Experience troubleshooting mail flow, hybrid Exchange environments, transport services, connectors, and message delivery issues. Strong knowledge of Microsoft Teams governance, lifecycle management, and SaaS integrations such as Jira and ServiceNow. Experience supporting and troubleshooting Microsoft Purview compliance, retention, and information governance solutions. Familiarity with Exchange Online Protection (EOP), Microsoft Defender for Office 365, and email security best practices. Working knowledge of Microsoft Entra ID, Single Sign-On (SSO), Conditional Access, and hybrid identity solutions including Microsoft Entra Connect. Proficiency in PowerShell scripting for automation and troubleshooting. Solid understanding of Active Directory, Group Policy, DNS, certificate management, and hybrid identity architectures. Experience with network and server administration fundamentals. Knowledge of general disaster recovery validation methods and willingness to assist in testing efforts. Comfortable working within a strict, heavily vetted Change Management process. Ability to support security, audit, and risk control requirements within a regulated environment, with familiarity in common industry security frameworks. Strong documentation skills for platform configurations and user instructions. Excellent troubleshooting skills and ability to take ownership of tasks from start to finish. Exceptional communication and problem-solving skills; able to clearly articulate initiatives and solutions. Highly organized with strong attention to detail. Self-driven, proactive, and capable of adapting quickly to changing business and technology requirements. #LI-HK1