Microsoft Exchange Server Administrator

Microsoft Exchange Server Administrator Work Authorization: US Citizen Location: Washington, DC Need secret security clearance Job Summary : We are seeking an experienced Microsoft Exchange Server Administrator / Engineer to support the administration, maintenance, migration, recovery, and troubleshooting of Microsoft messaging environments. The ideal candidate will have hands-on experience with Microsoft Exchange Server, Outlook, Microsoft 365 messaging technologies, mailbox administration, email data recovery, and Exchange-related security and compliance. The position will support Exchange infrastructure and messaging data throughout its lifecycle, including mailbox management, email migration, OST/PST management, backup and recovery, troubleshooting, records preservation, and integration with Microsoft collaboration and compliance technologies. Key Responsibilities : Install, configure, administer, maintain, and troubleshoot Microsoft Exchange Server environments. Manage Exchange mailboxes, distribution groups, shared mailboxes, permissions, connectors, and mail-flow rules. Monitor Exchange services, database health, storage utilization, message queues, and system performance. Perform mailbox migrations between Exchange environments and Microsoft 365/Exchange Online where required. Support Microsoft Outlook connectivity, configuration, synchronization, and troubleshooting. Troubleshoot email delivery, authentication, mailbox access, database, and performance issues. Manage and troubleshoot OST and PST files, including identification, collection, validation, repair, conversion, and recovery. Convert OST files to PST or other supported formats when necessary and validate recovered mailbox information. Import and export PST data into Exchange mailbox environments. Recover deleted, damaged, incomplete, or inaccessible mailbox and email data. Support Exchange database backup, restore, disaster recovery, and business continuity activities. Analyze mailbox and messaging data, including message counts, date ranges, folder structures, calendars, contacts, and other mailbox items. Assist with reconstruction and restoration of historical or former-user mailboxes. Support Microsoft collaboration technologies such as Teams and Skype for Business where messaging integration is required. Support Microsoft Purview, retention policies, eDiscovery, legal holds, records management, and related Microsoft compliance capabilities. Maintain documentation covering Exchange configurations, recovery activities, operating procedures, and troubleshooting processes. Work with cybersecurity, infrastructure, records-management, and application teams to maintain secure messaging services. Follow organizational security requirements for protecting sensitive and controlled information. Provide technical guidance, knowledge transfer, and training to administrators and support personnel. Required Qualifications : 8+ years of experience administering or engineering Microsoft Exchange environments. Strong hands-on experience with Microsoft Exchange Server. Experience supporting Microsoft Outlook and enterprise email environments. Experience with mailbox creation, configuration, migration, recovery, and troubleshooting. Strong understanding of Exchange databases, mailbox stores, transport services, mail flow, and permissions. Hands-on experience working with OST and PST files. Experience performing mailbox backup, restoration, import/export, and data recovery. Experience troubleshooting Exchange and Outlook issues. Working knowledge of Active Directory, DNS, authentication, and Windows Server technologies. Experience with PowerShell scripting for Exchange administration and automation. Understanding of enterprise backup and disaster-recovery practices. Strong troubleshooting, documentation, communication, and analytical skills. Preferred Qualifications : Experience with Exchange Online / Microsoft 365. Experience with hybrid Exchange environments. Experience wit…

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