Microsoft Exchange On-Premises, Expert

Master Works is seeking a Microsoft Exchange On-Premises, Expert to administer, operate, maintain, secure, and optimize the organization’s on-premises Microsoft Exchange environment, ensuring reliable and secure enterprise email services. Key Responsibilities Administer, maintain, configure, upgrade, patch, and troubleshoot Microsoft Exchange Server On-Premises environments. Manage Exchange databases, mailboxes, distribution groups, resource mailboxes, quotas, retention, journaling, and archiving. Configure and troubleshoot mail flow, SMTP connectors, transport rules, relay services, and email domains. Manage Exchange DAG, high availability, backup, restore, disaster recovery, and business continuity. Monitor Exchange server health, databases, queues, storage, capacity, and performance. Manage Exchange integration with Active Directory, DNS, Group Policy, and Windows Server. Manage Exchange certificates, TLS, secure mail communication, RBAC, SPF, DKIM, and DMARC. Integrate Exchange with secure email gateways, anti-spam, anti-malware, and email security platforms. Perform security hardening, vulnerability remediation, root cause analysis, and preventive actions. Use Exchange Management Shell and PowerShell for administration, automation, reporting, and troubleshooting. Develop scripts for mailbox management, health checks, reporting, and operational automation. Participate in Exchange migration, upgrade, and infrastructure refresh projects. Provide Level 3 support and coordinate with Microsoft support and third-party vendors. Maintain architecture diagrams, SOPs, operational procedures, and technical documentation. Requirements Bachelor’s degree in Computer Science, Information Technology, Computer Engineering, or a related field. Minimum 8–10 years of relevant infrastructure or messaging experience. Minimum 8–10 years of hands-on Microsoft Exchange Server administration experience. Strong experience with enterprise-scale and multi-site Exchange environments, including Exchange DAG across multiple data centers. Strong experience in Exchange migration, upgrades, backup, recovery, disaster recovery, and security hardening. Strong knowledge of Active Directory, DNS, Group Policy, SMTP, TLS, Windows Server, mail routing, and Outlook connectivity. Strong hands-on experience with Exchange Management Shell, PowerShell, Exchange RBAC, and Exchange mailbox databases. Experience with secure email gateways, anti-spam, anti-malware, SPF, DKIM, and DMARC. Experience with enterprise backup platforms and ITIL-based incident, change, and problem management. Strong competencies in advanced troubleshooting, Exchange architecture and administration, high availability, disaster recovery, security hardening, root cause analysis, PowerShell automation, capacity planning, technical documentation, and vendor coordination. Job Location: Client Site