Senior Microsoft 365 Messaging & Governance Engineer

Location: New York

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Amanda Preston Are you a fit? Easy Apply now by clicking the "Quick Apply" button and sending us your resume. Salary: $150,000 - $160,000 per year A bit about us:
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. Job Details 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 One Drive.

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 Power Shell, 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…