Messaging Administrator / Office 365 Consultant

We are seeking a highly skilled and experienced Messaging Administrator with strong expertise in Microsoft Exchange (20102019), Office 365, and email security (IronPort). The ideal candidate will be responsible for managing messaging systems, supporting hybrid email environments, and ensuring the performance, availability, and security of mail infrastructure.

Key Responsibilities

• Administer, troubleshoot, and maintain Microsoft Exchange 2010, 2013, 2016, and 2019 environments.

• Manage Office 365 environments including mailbox migrations, policy setup, and compliance.

• Implement and maintain Cisco IronPort email security solutions.

• Manage hybrid mail flow, connectors, and coexistence between on-premise and cloud platforms.

• Resolve issues related to OWA, ECP, autodiscover, DAG, SSL certificates, and IIS.

• Perform user and group management including DLs, public folders, and shared mailboxes.

• Handle cases involving Azure AD Connect, ADFS, and SSO integrations.

• Execute PowerShell scripts for Exchange and O365 automation.

• Maintain email retention policies, eDiscovery, and compliance configurations.

• Provide L2/L3 level support for escalated messaging incidents. Technical Skills Required

• Microsoft Exchange Server (2010/2013/2016/2019)

• Office 365 & Exchange Online

• Cisco IronPort Email Security

• Azure Active Directory & Azure AD Connect

• Hybrid Mailflow configuration and troubleshooting

• PowerShell scripting for Exchange and O365

• Strong understanding of SMTP, MAPI, POP, IMAP, Outlook Anywhere

• SSL/IIS Management & Troubleshooting

• Windows Server (2012, 2016) Nice To Have

• Microsoft 365 certifications (MS-101, MS-200, 70-347)

• Familiarity with email gateways and Menlo

• Knowledge of Retention Labels & Policies

• Experience using Quest Migration Tools Behavioral Traits

• Strong customer communication and incident handling skills

• Ability to work independently and manage critical incidents

• Attention to detail and proactive troubleshooting mindset