Senior Microsoft 365 Platform Architect

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

Benefits offered by this job

Bonus or Commission (variable cash)

Equity part of compensation

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 the engineering, administration, governance, security, and continuous improvement of our global Microsoft 365 platform.

You will serve as the technical lead for Microsoft 365 collaboration, IAM, Entra ID, and endpoint management services, ensuring secure, scalable digital workplace solutions across the enterprise.

Qualifications

• Bachelor's degree or equivalent experience in IT, CS, or related field.
• 7+ years hands-on Microsoft 365 admin/engineering in medium to large enterprises.
• Deep expertise in Microsoft 365 services: SharePoint Online, Teams, Exchange Online, OneDrive, Entra ID (Azure AD).
• Experience with IAM, SSO, MFA, Conditional Access, RBAC, PIM, Identity Governance.
• Strong PowerShell and Microsoft Graph automation experience.
• Experience with Hybrid AD and Entra ID environments.
• Endpoint management with Intune and Windows Autopilot.

Responsibilities

• Own the 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 M365 platform issues.
• Design and implement secure, scalable M365 solutions aligned with security standards.
• Lead SharePoint governance, permissions, lifecycle management, and migration initiatives.
• Administer IAM capabilities including Hybrid Identity, SSO, MFA, Conditional Access, PIM, and Identity Governance.
• Support enterprise app integrations using SAML, OAuth, OpenID Connect, and SCIM.
• Manage endpoint solutions via Intune and Windows Autopilot (provisioning, compliance, deployment).
• Develop automation using PowerShell and Microsoft Graph.
• Monitor platform health, security posture, adoption, and compliance metrics.
• Partner with Cybersecurity to implement M365 security, compliance, governance controls.
• Participate in incident response and root cause analyses.
• Create architecture docs, runbooks, and operational procedures.
• Evaluate roadmap enhancements and lead adoption of new capabilities.

Skills

Microsoft 365 Administration

SharePoint Online Administration

Microsoft Teams

Exchange Online

OneDrive for Business

Microsoft Entra ID (Azure AD)

Identity & Access Management (IAM)

Microsoft Intune

Hybrid Active Directory

SSO / MFA / Conditional Access

RBAC / PIM / Identity Governance

PowerShell scripting

Microsoft Graph automation

Windows Autopilot

Education

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

Job description

Repligen Corporation in the United States seeks a Senior Microsoft 365 Platform Engineer to lead the engineering, administration, governance, security, and continuous improvement of our global Microsoft 365 platform.

You will serve as the technical lead for Microsoft 365 collaboration, IAM, Entra ID, and endpoint management services, ensuring secure, scalable digital workplace solutions across the enterprise.