Senior Microsoft 365 Platform Engineer

Repligen Corp; Waltham (MA); On-site; USD 140,000 - 180,000; Full time

Benefits offered by this job

Health/dental/vision insurance

Retirement benefits

Flexible spending accounts

Paid time off

Job summary

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

This technical lead will oversee SharePoint Online, Teams, Exchange Online, Entra ID, Intune, and IAM, partnering with Cybersecurity to implement robust controls and scalable, compliant digital workplace services across the enterprise.

Qualifications

• Bachelor's degree in IT/CS or equivalent experience.
• 7+ years of hands-on Microsoft 365 administration and engineering in a medium-to-large enterprise.
• Deep expertise in Microsoft 365 Administration, SharePoint Online, Teams, Exchange Online, OneDrive, Entra ID and IAM.
• Strong PowerShell scripting and Microsoft Graph automation experience.
• Experience with Hybrid Active Directory and Entra ID environments.
• Expertise in SSO, MFA, Conditional Access, RBAC, PIM, and Identity Governance.

Responsibilities

• Own the administration, governance, and 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 M365 platform issues.
• Design and implement secure, scalable M365 solutions aligned with security standards.
• Lead SharePoint governance, permissions management, site lifecycle, and migration initiatives.
• Manage IAM capabilities including Hybrid Identity, SSO, MFA, Conditional Access, PIM, and Identity Governance.
• Develop automation using PowerShell and Microsoft Graph.
• Monitor platform health, security posture, adoption, and compliance metrics.
• Partner with Cybersecurity to implement M365 security, compliance, and governance controls.
• Participate in incident response and root cause analysis; create runbooks and docs.

Skills

Microsoft 365 Administration

SharePoint Online Governance

IAM & Entra ID

PowerShell scripting

Microsoft Graph automation

Hybrid Identity / SSO

MFA & Conditional Access

Education

Bachelor's degree in Information Technology or Computer Science

Tools

Microsoft 365 suite

Entra ID (Azure AD)

Intune

Graph API

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.

Thank you for your interest in Repligen! Working at Repligen means being part of a team that is excited to find new and creative ways to overcome challenges in bioprocessing — and to help our customers make a difference in the world.