Messaging & Collaboration Engineer II

BankUnited, Inc.•Miami Lakes, FL

10h•Onsite

About The Position

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.

Requirements

College degree or equivalent work experience required
1-3 YearsExperience with Desired Configuration Management (DCM) tools required
4-6 YearsPractical experience in Information Technology and Desktop Support required
4-6 YearsExperience designing and supporting Application Mail Relay solutions required
4-6 YearsExperience with Microsoft Intune and mobile device management (MDM/MAM) required
4-6 YearsPowerShell experience for M365, Exchange, Intune, or mail flow automation required
Hands-on administration of Microsoft 365 tenant services with strong operational and troubleshooting skills.
PowerShell scripting expertise within Office 365 / Azure AD / Teams / SharePoint.
Strong knowledge of authentication in a Microsoft hybrid environment, including modern authentication and hybrid identity patterns.
Strong understanding of email authentication (SPF, DKIM, DMARC) and mail routing
Strong troubleshooting, documentation, and communication skills
Ability to build relationships between the customers and the team members
Ability to work independently
Self-motivated
Ability to set own goals and manage towards them
Strong written and oral communication skills
Strong customer service skills
Understanding of Microsoft 365, Windows 365, Entra, Intune, Exchange Online and MS Teams platform administration
Understanding of common application technologies (e.g. Office 365 suite, Outlook, Copilot, Edge)

Nice To Haves

1-3 YearsHands-on experience with Proofpoint email security, including authorized sender and relay management preferred
Experience integrating third-party security solutions with Microsoft 365 (eg, Proofpoint)

Responsibilities

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.
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
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.