<p>Onsite in MA 3x per week, non-negotiable</p><p><br></p><p>We are looking for a Systems Engineer to join our team in Massachusetts and provide senior-level expertise across Microsoft 365 environments. This position is suited for someone who excels at solving complex technical challenges, guiding enterprise integration efforts, and partnering with cross-functional teams to deliver secure, well-structured outcomes. The role offers the opportunity to influence architecture decisions while remaining deeply involved in hands-on engineering work.</p><p><br></p><p>Responsibilities:</p><p>• Direct Microsoft 365 integration efforts related to organizational consolidation, including planning, coordination, and execution across multiple environments.</p><p>• Develop identity integration approaches using Azure AD and Entra ID, covering synchronization, domain alignment, and access control design.</p><p>• Oversee the migration and integration of Exchange Online, including mailbox transitions, mail routing, retention configuration, and discovery requirements.</p><p>• Manage SharePoint Online and OneDrive integration activities, including content structure, permissions alignment, and data movement planning.</p><p>• Build and use PowerShell-based scripts and automation processes to improve consistency, accuracy, and repeatability throughout migration work.</p><p>• Collaborate with security, compliance, and legal stakeholders to align access policies, governance standards, retention practices, and eDiscovery needs.</p><p>• Provide technical direction during cutover windows and deliver support to stabilize services following implementation.</p><p>• Act as the primary technical advisor for Microsoft 365 architecture, integration strategy, and risk reduction best practices.</p>