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 with Microsoft Purview, eDiscovery, retention, legal hold, and records- management capabilities.
• Experience with Microsoft Teams and Skype for Business.
• Experience recovering or reconstructing historical email archives.
• Experience supporting former-user mailbox recovery and data preservation.
• Experience working with email archiving, migration, conversion, or forensic/recovery tools.
• Familiarity with federal records-management or electronic-record retention requirements.
• Knowledge of NIST, FISMA, NARA, or other federal security/records-management standards.
• Experience supporting federal government environments is preferred.