Senior Microsoft 365 Platform Engineer

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

Benefits offered by this job

Bonus program

Equity potential

Paid time off

Health/dental/vision

Retirement benefits

Job summary

Repligen Corporation seeks a Senior Microsoft 365 Platform Engineer to lead governance, security, and improvements across the global M365 platform. You will drive SharePoint Online, IAM, Entra ID, and endpoint management while serving as the technical authority for platform initiatives.

Ideal candidates have 7+ years in M365, strong PowerShell and Microsoft Graph automation skills, and experience with Hybrid Identity and security controls.

Qualifications

• Bachelor’s degree or equivalent experience in IT/CS or related field.
• 7+ years hands-on Microsoft 365 administration and engineering in large teams.
• Strong expertise in M365 suite, SharePoint Online, Teams, Exchange Online, OneDrive, Entra ID.
• Experience with IAM, SSO, MFA, Conditional Access, PIM, Identity Governance.

Responsibilities

• Own admin, governance, and improvement of Microsoft 365 services including SharePoint Online, Teams, Exchange Online, and Intune.
• Act as Tier 3 escalation point and technical authority for M365 platform issues.
• Design secure, scalable M365 solutions aligned with security standards.
• Lead governance, permissions, site lifecycle, and migration initiatives for SharePoint.
• Manage IAM capabilities including Hybrid Identity, SSO, MFA, and Conditional Access.
• Support integrations using SAML, OAuth, OpenID Connect, SCIM.
• Oversee endpoint management with Intune and Windows Autopilot.
• Develop automation with PowerShell and Microsoft Graph.
• Monitor health, performance, security posture, and compliance metrics.
• Partner with Cybersecurity to implement security and governance controls.

Skills

Microsoft 365 Administration

SharePoint Online Administration

IAM / Entra ID

PowerShell scripting

Microsoft Graph automation

Hybrid Identity

Endpoint management (Intune)

Education

Bachelor's degree in IT/CS or related

Tools

Microsoft Intune

Azure AD / Entra ID

Microsoft Defender / Purview

Job description

A highly skilled Senior Microsoft 365 Platform Engineer to lead the engineering, administration, governance, security, and continuous improvement of our global Microsoft 365 platform. This role will serve as the technical lead for Microsoft 365 collaboration, SharePoint Online, Identity & Access Management (IAM), Entra ID, and endpoint management services, ensuring secure, scalable, and reliable digital workplace solutions across the enterprise.

Key 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 and enhance Identity & Access Management (IAM) capabilities including Hybrid Identity, Single Sign-On (SSO), Multi-Factor Authentication (MFA), Conditional Access, Privileged Identity Management (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

Qualifications

• Bachelor's degree in Information Technology, Computer Science, or related field, or equivalent experience.
• 7+ years of hands‑on Microsoft 365 administration and engineering experience in a medium‑to‑large enterprise.
• Deep expertise in:
• Microsoft 365 Administration
• SharePoint Online Administration & Governance
• Microsoft Teams
• Exchange Online
• OneDrive for Business
• Microsoft Entra ID (Azure AD)
• Identity & Access Management (IAM)
• Microsoft Intune
• Strong experience with Hybrid Active Directory and Entra ID environments.
• Expertise implementing and managing SSO, MFA, Conditional Access, RBAC, PIM, and 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.
• Experience with Microsoft Defender, Purview, ServiceNow, and ITIL processes preferred.
• Experience supporting global organizations and geographically distributed teams.

Preferred Certifications

• Microsoft 365 Certified: Enterprise Administrator Expert (MS-102)
• Microsoft Certified: Identity and Access Administrator Associate (SC-300)
• Microsoft Certified: Endpoint Administrator Associate (MD-102)
• Microsoft Certified: Cybersecurity Architect Expert (SC-100)

Our mission is to inspire advances in bioprocessing as a trusted partner in the production of biologic drugs that improve human health worldwide. Focused on cost and process efficiencies, we deliver innovative technologies and solutions that help set new standards in bioprocessing. The estimated salary range for this role, based in the United States of America is $140,000-$180,000. Compensation decisions are dependent on several factors including, but not limited to an individual's qualifications, location, internal equity, and alignment with market data. Additionally, employees are eligible to participate in one of our variable cash programs (bonus or commission) and eligible roles may receive equity as part of the compensation package. We offer a wide range of benefits such as paid time off, health/dental/vision, retirement benefits and flexible spending accounts. All compensation and benefits information will be confirmed in writing at the time of offer.