Senior Microsoft 365 Platform Engineer

Job summary

Repligen is seeking a highly skilled and hands-on Senior Microsoft 365 Platform Engineer to join our Global Information Technology organization. This role is responsible for the engineering, administration, governance, and continuous improvement of Microsoft 365 collaboration, identity, and endpoint management platforms across a global enterprise environment.

Benefits

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

Responsibilities

• This role is responsible for the engineering, administration, governance, and continuous improvement of Microsoft 365 collaboration, identity, and endpoint management platforms across a global enterprise environment.
• 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

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