Messaging Administrator - Active Directory

Key Responsibilities

• Administer, troubleshoot, and maintain Microsoft Exchange environments (2010, 2013, 2016, 2019).
• Manage Office 365 environments including mailbox migrations, policy configurations, and compliance enforcement.
• Implement and maintain Cisco IronPort email security solutions.
• Oversee hybrid mail flow configurations, connectors, and coexistence between on-premises Exchange and Exchange Online.
• Resolve technical issues related to OWA, ECP, Autodiscover, Database Availability Groups (DAG), SSL certificates, and IIS.
• Manage user and group accounts, including distribution lists, public folders, and shared mailboxes.
• Support Azure AD Connect, ADFS, and Single Sign-On (SSO) integrations.
• Develop and execute PowerShell scripts to automate Exchange and Office 365 tasks.
• Maintain email retention policies, eDiscovery workflows, and compliance configurations.
• Provide Level 2 and Level 3 support for escalated messaging incidents.

Technical Skills Required

• Expertise in Microsoft Exchange Server (2010/2013/2016/2019).
• Office 365 and Exchange Online administration.
• Experience with Cisco IronPort Email Security.
• Proficient with Azure Active Directory and Azure AD Connect.
• Skilled in hybrid mail flow configuration and troubleshooting.
• PowerShell scripting for Exchange and Office 365 automation.
• Strong understanding of SMTP, MAPI, POP3, IMAP, and Outlook Anywhere protocols.
• SSL certificate and IIS management and troubleshooting.
• Familiarity with Windows Server 2012 and 2016 environments.

Nice to Have

• Microsoft 365 Certifications such as MS-101, MS-200, or 70-347.
• Experience with email gateways and Menlo Security.
• Knowledge of retention labels and policies in Office 365.
• Experience with Quest migration tools.

Behavioral Traits

• Excellent customer communication and incident management skills.
• Ability to work independently and handle critical incident resolution.
• Strong attention to detail and a proactive approach to troubleshooting.