Messaging & Collaboration Engineer II

Job description

SUMMARY: The Messaging & Collaboration Engineer is responsible for the administration, security, availability, and optimization of Microsoft 365 services across Microsoft Exchange (hybrid), collaboration, compliance, archiving, and endpoint management platforms. This role supports hybrid and cloud deployments, mail flow and SMTP routing, email security and data governance controls, automates administration using PowerShell, and ensures reliable service delivery and user experience. ESSENTIAL DUTIES AND RESPONSIBILITIES include the following. Other duties and special projects may be assigned. Messaging, Mail Flow & Email Security: - Administers and supports Microsoft Exchange (hybrid), including user and shared mailboxes, distribution groups, and mail flow - Manages Proofpoint email security services, including spam filtering, and phishing protection - Configures and maintains Authorized Sender / Trusted Sender policies in Proofpoint and Exchange Online - Manages allow/block lists, trusted domains, and third-party sender configurations - Designs, configures, and supports Application Mail Relay for internal and third-party applications - Creates and maintains mail relay connectors, a...