Senior Microsoft 365 Platform Lead: IAM & Entra ID Security

Repligen Corporation; South Carolina; On-site; USD 140,000 - 180,000; Full time

Benefits offered by this job

Paid time off

Health/dental/vision benefits

Retirement benefits

Flexible spending accounts

Job summary

Repligen Corporation in the United States seeks a Senior Microsoft 365 Platform Engineer to lead administration, governance, security, and continuous improvement of our global Microsoft 365 platform across SharePoint Online, Teams, Exchange Online, and IAM.

This role requires 7+ years of hands‑on M365 experience, strong PowerShell and Graph automation, and a track record implementing hybrid Identity, SSO, MFA, and endpoint management.

Qualifications

• Bachelor's degree or equivalent experience in IT or related field.
• 7+ years of hands‑on Microsoft 365 administration and engineering in a medium‑to‑large enterprise.
• Deep expertise across Microsoft 365 suite and IAM technologies.

Responsibilities

• Own the administration, support, governance, and continuous improvement of Microsoft 365 services, including SharePoint Online, Teams, Exchange Online, OneDrive, Entra ID, and Intune.
• Serve as the Tier 3 escalation point and technical authority for Microsoft 365 platform issues and initiatives.
• Design and implement secure, scalable M365 solutions aligned with enterprise architecture and security standards.
• Lead SharePoint governance, permissions management, site lifecycle management, collaboration standards, and migration initiatives.
• Administer IAM capabilities including Hybrid Identity, SSO, MFA, Conditional Access, PIM, and Identity Governance.
• Support enterprise application integrations using SAML, OAuth, OpenID Connect, and SCIM.
• Manage endpoint solutions through Microsoft Intune and Windows Autopilot, including device provisioning, compliance, application deployment, and endpoint security.
• Develop automation and operational improvements using PowerShell and Microsoft Graph.
• Monitor platform health, performance, security posture, adoption, and compliance metrics.
• Partner with Cybersecurity teams to implement Microsoft 365 security, compliance, and governance controls.
• Participate in incident response, root cause analysis, and continuous service improvement activities.
• Create and maintain architecture documentation, standards, runbooks, and operational procedures.
• Evaluate Microsoft roadmap enhancements and lead the adoption of new technologies and platform capabilities

Skills

Microsoft 365 Administration

SharePoint Online Administration

Microsoft Teams

Exchange Online

OneDrive for Business

Microsoft Entra ID

IAM

PowerShell scripting

Microsoft Graph automation

Hybrid Active Directory

SSO

MFA

RBAC

PIM

Identity Governance

Endpoint management

Windows Autopilot

ITIL processes

Education

Bachelor's degree in Information Technology, Computer Science, or related field, or equivalent experience

Tools

PowerShell

Microsoft Graph

Job description

Repligen Corporation in the United States seeks a Senior Microsoft 365 Platform Engineer to lead administration, governance, security, and continuous improvement of our global Microsoft 365 platform across SharePoint Online, Teams, Exchange Online, and IAM.

This role requires 7+ years of hands‑on M365 experience, strong PowerShell and Graph automation, and a track record implementing hybrid Identity, SSO, MFA, and endpoint management.