Microsoft 365 Messaging & Governance Engineer

We are a large, technology-driven organization supporting a diverse group of businesses and teams through a highly integrated Microsoft 365 environment. Our technology organization partners closely with cybersecurity, risk, compliance, enterprise applications, and business stakeholders to create secure and scalable collaboration solutions.

As our Microsoft 365 environment continues to evolve, we are investing further in the governance, security, and long-term management of our messaging and collaboration platforms. This role will have the opportunity to help establish standards, influence how governance is approached across the organization, and build solutions that support both security and business productivity.

Why join us?

Shape the environment: Play a key role in building and maturing governance standards rather than simply maintaining established processes.

Combine architecture with engineering: Stay hands-on with Microsoft 365 while helping determine how governance should be designed and implemented.

Work across the organization: Partner with business units, security, compliance, and technology leaders on initiatives with enterprise-wide impact.

Solve complex M365 challenges: Work within a large-scale environment where governance, collaboration, security, and usability all need to work together.

Opportunity for ownership: Bring ideas forward, identify gaps, and help establish long-term standards for messaging and collaboration.

Evolving technology landscape: Work with modern Microsoft 365 capabilities, automation, Purview, and emerging collaboration and AI technologies., We are seeking a Senior Microsoft 365 Messaging & Governance Engineer to help design, develop, and mature the governance framework across our Microsoft 365 messaging and collaboration environment.

This role will sit closely within the messaging and collaboration space, with a primary focus on Exchange Online and Microsoft Teams, while partnering with teams supporting SharePoint and OneDrive.

We are looking for someone who combines strong Microsoft 365 engineering knowledge with the ability to help architect governance standards from the ground up. You should understand the underlying messaging and collaboration infrastructure well enough to determine how governance policies should be designed, implemented, automated, and enforced.

You will work closely with GRC, cybersecurity, technology teams, and business units to establish practical standards around lifecycle management, retention, data protection, external sharing, access, and policy enforcement.

What You’ll Do

M365 Governance & Architecture

Design, implement, and continuously improve governance policies for Exchange Online and Microsoft Teams

Establish standards around naming conventions, provisioning, ownership, archival, and deletion

Develop lifecycle management processes for mailboxes, distribution lists, Microsoft 365 Groups, and Teams

Configure and maintain retention policies, sensitivity labels, and Data Loss Prevention rules within Microsoft Purview

Develop governance standards around external sharing, guest access, permissions, and data exposure

Partner with cybersecurity, risk, and compliance teams to translate organizational requirements into scalable technical controls

Conduct periodic access reviews and governance assessments to identify policy drift and areas of risk

Help establish formal governance processes in areas where standards may still be evolving

Automation & Reporting

Develop automation using PowerShell, Microsoft Graph API, and Power Automate

Automate governance processes including orphaned resource cleanup, ownership certification, lifecycle management, and policy enforcement

Build dashboards and reporting using Power BI, Purview, and native Microsoft 365 reporting tools

Monitor compliance posture, governance adherence, license utilization, and platform usage

Evaluate new Microsoft 365 governance, security, and compliance features before broader implementation

Messaging & Collaboration Engineering

Administer and engineer Exchange Online environments

Support mail flow rules, connectors, shared mailboxes, distribution lists, and anti-spam and anti-phishing controls

Support Microsoft Teams architecture including meeting policies, channel structure, application management, and related platform configuration

Troubleshoot complex platform and messaging issues

Monitor service health and assist with capacity and licensing planning

Partner with Microsoft support and internal technical teams as needed

Business & Stakeholder Partnership

Partner directly with business units to understand collaboration requirements and develop scalable governance solutions

Translate technical and governance requirements into clear guidance for technical and non-technical stakeholders

Balance security and compliance requirements with usability and business productivity

Help drive adoption of governance standards across different teams and business groups

Develop governance documentation, technical standards, runbooks, and training materials

Serve as an escalation point for governance-related issues including oversharing, policy violations, and permissions concerns

7+ years of experience within Microsoft 365 messaging, collaboration, governance, administration, or engineering

Strong hands-on experience with Exchange Online and/or Microsoft Teams

Experience designing, developing, or significantly improving Microsoft 365 governance standards

Strong experience with Microsoft Purview, including retention, DLP, and sensitivity labels

Experience with lifecycle management, ownership models, access controls, naming standards, and sharing governance

Strong PowerShell experience within Microsoft 365

Familiarity with Microsoft Graph API for automation and reporting

Strong understanding of Exchange Online mail flow and Microsoft Teams architecture

Familiarity with compliance frameworks such as GDPR, HIPAA, SOC 2, ISO 27001, and NIST

Experience with Microsoft 365 licensing and optimization

Strong analytical and documentation skills

Ability to communicate technical concepts clearly to business stakeholders

Comfortable working across technical teams, security, compliance, and business groups

Preferred Qualifications

Microsoft certifications such as SC-400, MS-102, or MS-700

Background supporting IT compliance, risk management, or audit initiatives

Experience supporting Microsoft 365 Copilot data readiness

Experience with Power Automate and Power BI

Exposure to ITIL or formal change management practices

Familiarity with Teams Phone or voice engineering

Experience supporting messaging or collaboration migrations