Senior Microsoft 365 Platform Lead & Security Architect
Repligen Corporation
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Job summary
Repligen Corporation seeks a Senior Microsoft 365 Platform Engineer to lead administration, governance, security, and ongoing improvement of our global M365 platform. You will guide IAM, Entra ID, and endpoint management, serving as the technical authority for M365 collaboration across the enterprise.
You will design secure, scalable solutions, drive governance for SharePoint, and partner with Cybersecurity to enforce controls.
Qualifications
- Bachelor degree or equivalent experience in IT/CS.
- 7+ years of hands-on Microsoft 365 admin and engineering.
- Deep expertise in M365, SharePoint, Teams, Exchange, OneDrive, Entra ID, IAM, Intune.
Responsibilities
- Own admin, support, governance, and improvement of Microsoft 365 services.
- Serve as Tier 3 escalation point and technical authority for M365 issues.
- Design and implement secure, scalable M365 solutions per security standards.
- Lead governance, permissions, site lifecycle, and migration in SharePoint.
- Administer IAM: Hybrid Identity, SSO, MFA, Conditional Access, PIM.
- Support integrations using SAML, OAuth, OpenID Connect, SCIM.
- Manage endpoint solutions via Intune and Windows Autopilot.
- Develop automation with PowerShell and Microsoft Graph.
- Monitor health, performance, security posture, adoption, compliance.
- Partner with Cybersecurity to implement security and governance controls.
- Participate in incident response, RCA, and continuous improvements.
- Create and maintain architecture docs, runbooks, and procedures.
- Evaluate roadmap enhancements and lead adoption of new tech.
Skills
Education
Tools
Job description
Repligen Corporation seeks a Senior Microsoft 365 Platform Engineer to lead administration, governance, security, and ongoing improvement of our global M365 platform. You will guide IAM, Entra ID, and endpoint management, serving as the technical authority for M365 collaboration across the enterprise.
You will design secure, scalable solutions, drive governance for SharePoint, and partner with Cybersecurity to enforce controls.
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