Jobs and Careers

Messaging & Collaboration Engineer II

Miami Lakes, United Statesfull_timeVerifiedPosted 6 May 2026

About the role

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, authentication methods, and IP based trust relationships
Ensures proper configuration and alignment of SPF, DKIM, and DMARC, including application and relay senders
Troubleshoots application mail delivery issues and relay failures
Provides Tier 2/3 support for messaging, collaboration, endpoint, and application email services
Partners with security, networking, and application teams to troubleshoot service issues across authentication, mail flow, DNS, and client connectivity.
Microsoft 365 Administration:
Administers Microsoft 365 services including Exchange Online, Intune, Teams, OneDrive, and SharePoint
Administers device enrollment, configuration, and lifecycle management
Manages MDM and MAM for corporate-owned and BYOD devices
Configures device enrollment methods (Autopilot, corporate-owned, BYOD)
Creates and maintains device compliance policies, configuration profiles, and security baselines
Manages Microsoft Purview (Security & Compliance) features including retention policies (Exchange Online retention/M365 retention), data retention requirements, and DLP.
Develops and maintains administrative automation using PowerShell scripting across Office 365, Azure AD, Teams, and SharePoint.
Monitors Microsoft 365 service health and manage service-related incidents
Troubleshoot device enrollment, compliance, and access issues affecting Microsoft 365 services
Coordinates tenant configuration changes and feature rollout
General:
Helps Desk ticket response, MAC (Move/Add/Change) request fulfillment, formal Change Control processes
Maintenance and creation of team documentation and process workflows
Other responsibilities as assigned by Management.
Adheres to and complies with applicable, federal and state laws, regulations and guidance, including those related to anti-money laundering (i.e. Bank Secrecy Act, US PATRIOT Act, etc.).
Adheres to Bank policies and procedures and completes required training.
Identifies and reports suspicious activity.

EDUCATION
College degree or equivalent work experience required
EXPERIENCE

1-3 YearsExperience with Desired Configuration Management (DCM) tools required
4-6 YearsPractical experience in Information Technology and Desktop Supportrequired
1-3 YearsHands-on experience with Proofpoint email security, including authorized sender and relay managementpreferred
4-6 YearsExperience designing and supporting Application Mail Relay solutionsrequired
4-6 YearsExperience with Microsoft Intune and mobile device management (MDM/MAM)required
4-6 YearsPowerShell experience for M365, Exchange, Intune, or mail flow automationrequired
Experience integrating third-party security solutions with Microsoft 365 (eg, Proofpoint)