M365 Integration Engineer

Built on meritocracy, our unique company culture rewards self-starters and those who are committed to doing what is best for our customers.

Brown & Brown is seeking an M365 Integration Engineer to join our growing team in Plano, TX. 

The M365 Integration Engineer is responsible for designing, implementing, and operationalizing Microsoft 365 integration solutions across newly acquired organizations. Operating within the Technical IMO integration engine, this role ensures acquired companies are onboarded into enterprise productivity, collaboration, identity, and security platforms in a secure, standardized, and repeatable manner.

The M365 Integration Engineer serves as the technical subject matter expert for Microsoft 365 integration activities, supporting pre-close planning, Day 1 readiness, post-close migration execution, and platform standardization. The role works closely with Technology Integration Managers, Security Engineering, End User Computing, Identity teams, and enterprise platform owners to deliver scalable integration outcomes while minimizing business disruption.

How You Will Contribute: 

Microsoft 365 Integration Engineering

• Design and execute Microsoft 365 integration strategies for assigned acquisitions.

• Assess acquired Microsoft 365, Exchange, SharePoint, Teams, OneDrive, Entra ID, and related environments.

• Develop migration and onboarding plans aligned with enterprise standards and integration timelines.

• Identify risks, dependencies, licensing considerations, and technical constraints.

• Support Day 1 readiness planning and integration execution.

Tenant Integration & Migration Execution

• Execute tenant-to-tenant migration activities.

• Support mailbox migrations, Teams migrations, SharePoint migrations, and OneDrive migrations.

• Configure coexistence, cross-tenant access, and migration tooling where required.

• Coordinate migration sequencing, cutover plans, and validation activities.

• Ensure successful transition of users, groups, devices, and collaboration services into enterprise platforms.

Identity & Access Integration

• Support Entra ID integration and identity consolidation initiatives.

• Implement authentication, federation, and directory synchronization solutions as required.

• Partner with Security and Identity teams to align acquisitions with enterprise access standards.

• Assist with integration of conditional access, MFA, identity governance, and security controls.

• Validate user provisioning, licensing, and role assignments throughout integrations.

Collaboration & Productivity Enablement

• Integrate Microsoft Teams, Exchange Online, SharePoint Online, and OneDrive services.

• Support collaboration modernization initiatives for acquired organizations.

• Ensure acquired users are enabled on standard communication and collaboration platforms.

• Coordinate adoption activities with EUC, Service Desk, and operational support teams.

• Support post-integration stabilization and issue resolution.

Engineering Standards & Automation

• Develop and maintain standardized migration approaches, runbooks, and implementation patterns.

• Create automation solutions using PowerShell, Microsoft Graph, and other Microsoft platform tooling.

• Contribute to continuous improvement of integration playbooks and engineering methodologies.

• Reduce manual effort through automation and repeatable deployment patterns.

• Ensure engineering activities align with enterprise governance and security standards.

Technical Discovery & Due Diligence Support

• Participate in technology due diligence activities for prospective acquisitions.

• Assess Microsoft 365 architecture, licensing models, collaboration platforms, and identity configurations.

• Identify integration complexity, modernization opportunities, and transition risks.

• Provide engineering estimates and migration approaches that support deal planning and execution.

Skills & Experience to be Successful:

Education

• Bachelor's degree in Information Technology, Computer Science, or related field preferred.

• Equivalent experience may be considered in lieu of formal education.

Experience

• 5+ years of experience supporting Microsoft 365 environments.

• Experience administering Exchange Online, Teams, SharePoint Online, OneDrive, and Entra ID.

• Experience with migration and integration projects in enterprise environments.

• Experience supporting mergers and acquisitions, tenant consolidations, or large-scale migrations preferred.

• Experience developing automation and scripting solutions using PowerShell preferred.

Preferred Certifications

• Microsoft Certified: Messaging Administrator Associate

• Microsoft Certified: Collaboration Communications Systems Engineer

• Microsoft Certified: Identity and Access Administrator Associate

• Microsoft Certified: Azure Administrator Associate

• Other Microsoft 365 or cloud platform certifications preferred

Teammate Benefits & Total Well-Being

We go beyond standard benefits, focusing on the total well-being of our teammates, including:

• Health Benefits: Medical/Rx, Dental, Vision, Life Insurance, Disability Insurance
• Financial Benefits: ESPP; 401k; Student Loan Assistance; Tuition Reimbursement
• Mental Health & Wellness: Free Mental Health & Enhanced Advocacy Services
• Beyond Benefits: Paid Time Off, Holidays, Preferred Partner Discounts and more.

Not reflective of all benefits. Enrollment waiting periods or eligibility criteria may apply to certain benefits. Benefit details and offerings may vary for subsidiary entities or in specific geographic locations.

Recruiting Vendor Disclosure Statement

Brown & Brown does not accept unsolicited resumes from external recruiters, recruitment vendors or employment agencies ("Recruiting Vendors"). Recruiting Vendors must have a valid written agreement and received prior written authorization from an authorized Brown & Brown representative before submitting candidates for any publicly posted role. Any unsolicited resumes submitted to Brown & Brown or its employees become the property of Brown & Brown, and no fees will be paid for such submissions. Additional information regarding this policy can be found on our careers page.

The Power To Be Yourself

As an Equal Opportunity Employer, we are committed to fostering an inclusive environment comprised of people from all backgrounds, with a variety of experiences and perspectives, guided by our Diversity, Inclusion & Belonging (DIB) motto, “The Power to Be Yourself”.

Welcome

We think of ourselves as a team, so we have teammates - not employees. We strive to attract people who are competitive, driven, and disciplined. Built on meritocracy, our unique company culture rewards self-starters and those who are committed to doing what is best for our customers.

About Us

Founded in 1939 as a small, two-partner firm, Brown & Brown (NYSE: BRO) and our team of companies have grown into one of the world’s largest insurance brokerages while staying true to our foundation of trust, resilience, and delivering results. With a team that is as connected locally as it is globally, our high-performing, highly collaborative team delivers innovative risk and insurance solutions.

We look for individuals who embrace our culture, thrive in a collaborative environment, are driven to grow and succeed, and are committed to always doing what is right. With a unique culture built on integrity, superior capabilities and grit, we value teamwork, trust and courage. We think of ourselves as a team, so we have teammates—not employees, and leaders—not managers. Everything we do is about the greater “WE”—never “me.” While diverse in abilities and experience, we are all connected through our core values, a commitment to our local communities and a shared mission—always doing what is best for our customers.

Recruiting Vendor Disclosure Statement

Brown & Brown and its affiliates maintain an internal recruiting team responsible for filling open roles posted to the public. In certain situations, Brown & Brown may supplement its internal capabilities by engaging external recruiting vendors and employment agencies (“Recruiting Vendors”). Recruiting Vendors are not authorized to submit resumes, share candidate data, or directly or indirectly contact Brown & Brown employees to present candidates for employment opportunities. The only exception applies to Recruiting Vendors with an active Valid Agreement (as defined below) that has been approved by Brown & Brown.

In accordance with this policy, and to ensure appropriate authorization for sharing candidate personal information, Brown & Brown will not accept unsolicited resumes from any source other than Authorized Recruiting Vendors with a Valid Agreement in place who have been expressly invited to support a specific role. Any unsolicited resumes, incomplete submissions, or candidate data received through any means (including email or otherwise) will be considered the property of Brown & Brown. Brown & Brown will not pay any placement or related fees for unsolicited submissions or candidate data provided in violation of this policy. Such submissions may be used by Brown & Brown without any obligation to pay fees of any kind to Recruiting Vendors.

A Valid Agreement is defined as a written contract signed by an authorized representative of Brown & Brown. In the absence of a Valid Agreement, Brown & Brown assumes no liability under any legal theory, including but not limited to breach of contract, breach of implied contract, tortious interference, quantum meruit, any/or any other contractual or equitable claims in connection with candidates identified through unsolicited submissions made in violation of this policy.

If you are an existing Brown & Brown teammate, please click here to apply to a job on our internal career site.