Senior Microsoft 365 Platform Engineer

Responsibilities

• Own the day-to-day administration, support, health, and continuous improvement of the Microsoft 365 platform.
• Serve as the primary technical authority and Tier 3 escalation point for Microsoft 365-related incidents and complex technical issues.
• Design, implement, and maintain Microsoft 365 solutions that are secure, scalable, and aligned with enterprise architecture standards.
• Administer and support Exchange Online, Microsoft Teams, SharePoint Online, OneDrive for Business, Microsoft Entra ID, and Microsoft Intune.
• Manage hybrid identity services including Microsoft Entra ID, Active Directory integration, Conditional Access, Multi-Factor Authentication, and Single Sign-On.
• Support enterprise application integrations leveraging SAML, OAuth, OpenID Connect, and SCIM provisioning.
• Develop and maintain standards, governance controls, operational procedures, and platform best practices.
• Evaluate Microsoft roadmap enhancements and lead the adoption of new technologies and platform capabilities.
• Administer endpoint management solutions including Intune, Windows Autopilot, device compliance policies, configuration profiles, application deployment, and endpoint security baselines.
• Design and maintain automated device provisioning and lifecycle management processes.
• Develop PowerShell and Microsoft Graph-based automation to improve operational efficiency, platform governance, reporting, and service delivery.
• Monitor platform health, capacity, service performance, and user experience, proactively identifying and resolving issues.
• Build and maintain operational dashboards, reporting, and metrics related to platform performance, adoption, compliance, and service quality.
• Partner with Cybersecurity teams to implement and support Microsoft 365 security controls, including Conditional Access, identity protection, and collaboration governance.
• Participate in major incident response, root cause analysis, problem management, and service improvement initiatives.
• Create and maintain technical documentation, architecture diagrams, operational runbooks, and support procedures.
• Provide technical guidance and mentorship to Service Desk, Digital Workplace, Infrastructure, and operations teams.
• Collaborate with Infrastructure, Security, Service Desk, Digital Workplace, and business stakeholders to deliver reliable and innovative solutions.

Qualifications

• Bachelor's degree in Information Technology, Computer Science, Information Systems, or a related field, or equivalent work experience.
• Minimum of 7 years of hands-on experience supporting Microsoft 365 in a medium or large enterprise environment.
• Deep expertise with Exchange Online, Microsoft Teams, SharePoint Online, OneDrive for Business, Microsoft Entra ID, and Microsoft Intune.
• Strong experience managing hybrid identity environments integrating Active Directory and Entra ID.
• Experience implementing and supporting Conditional Access, Multi-Factor Authentication, and Single Sign-On solutions.
• Hands-on experience with Windows Autopilot, endpoint management, compliance policies, and modern device management practices.
• Strong PowerShell scripting and automation experience.
• Experience using Microsoft Graph API for administration, automation, and reporting.
• Experience supporting SaaS application integrations using SAML, OAuth, OpenID Connect, and SCIM.
• Strong understanding of Microsoft 365 security, governance, and compliance capabilities.
• Experience supporting Microsoft Teams Phone and voice services is preferred.
• Working knowledge of Microsoft Purview, Microsoft Defender, and related Microsoft security technologies.
• Familiarity with ITIL-based service management processes and ITSM platforms such as ServiceNow.
• Excellent troubleshooting, analytical, communication, and documentation skills.
• Experience supporting global and geographically distributed organizations is preferred.
• Microsoft certifications such as Microsoft 365 Enterprise Administrator Expert, Identity and Access Administrator Associate, or Endpoint Administrator Associate are highly desirable.