Senior Microsoft 365 Platform Lead — IAM, Security & Governance

Repligen Corporation; West Virginia; On-site; USD 140,000 - 180,000; Full time

Benefits offered by this job

Bonus or commission

Equity may be part of compensation

Paid time off

Health/dental/vision benefits

Retirement benefits

Flexible spending accounts

Job summary

Repligen Corporation seeks a Senior Microsoft 365 Platform Engineer to lead the engineering, governance, and security of our global M365 stack, including SharePoint Online, IAM (Entra ID), and endpoint management with Intune.

You will serve as the technical authority for M365 initiatives, driving secure, scalable solutions and ensuring governance across enterprise collaboration, identity, and device management.

Qualifications

• Bachelor's degree in IT or related field or equivalent experience.
• 7+ years of hands‑on Microsoft 365 administration and engineering in medium‑to‑large enterprise.
• Deep expertise in Microsoft 365 Administration, SharePoint Online Admin & Governance, Microsoft Teams, Exchange Online, OneDrive, Entra ID, IAM, Microsoft Intune.
• Strong experience with Hybrid Active Directory and Entra ID environments.
• Expertise implementing and managing SSO, MFA, Conditional Access, RBAC, PIM, Identity Governance.
• Strong PowerShell scripting and Microsoft Graph automation experience.
• Experience supporting endpoint management, Windows Autopilot, and modern device management.
• Strong understanding of Microsoft 365 security, compliance, governance, and collaboration technologies.

Responsibilities

• Own administration, governance, and continuous improvement of Microsoft 365 services (SharePoint Online, Teams, Exchange Online, OneDrive, Entra ID, Intune).
• Serve as Tier 3 escalation point and technical authority for Microsoft 365 issues.
• Design and implement secure, scalable M365 solutions aligned with security standards.
• Lead SharePoint governance, permissions, lifecycle management, migration initiatives.
• Administer IAM capabilities including Hybrid Identity, SSO, MFA, CA, PIM, Identity Governance.
• Support enterprise integrations using SAML, OAuth, OpenID Connect, SCIM.
• Manage endpoint solutions via Intune and Windows Autopilot (provisioning, compliance, deployment).
• Develop automation with PowerShell and Microsoft Graph; monitor health, security, and compliance metrics.
• Collaborate with Cybersecurity to implement M365 security controls; participate in incident response.
• Create and maintain architecture docs, runbooks, and operational procedures.

Skills

Microsoft 365 Administration

SharePoint Online Administration

Teams

Exchange Online

OneDrive for Business

Microsoft Entra ID

Identity & Access Management

Microsoft Intune

PowerShell

Microsoft Graph automation

Hybrid Identity

SSO

MFA

Conditional Access

RBAC

PIM

Endpoint management

Education

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

Tools

Microsoft Graph

Job description

Repligen Corporation seeks a Senior Microsoft 365 Platform Engineer to lead the engineering, governance, and security of our global M365 stack, including SharePoint Online, IAM (Entra ID), and endpoint management with Intune.

You will serve as the technical authority for M365 initiatives, driving secure, scalable solutions and ensuring governance across enterprise collaboration, identity, and device management.