Senior Microsoft 365 Platform Engineer

Posted Yesterday
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Waltham, MA, USA
In-Office
140K-180K Annually
Senior level
Biotech
The Role
Leads the engineering, administration, governance, security, and continuous improvement of the global Microsoft 365 platform. Owns SharePoint Online, Teams, Exchange Online, OneDrive, Entra ID, Intune, IAM, endpoint management, automation, platform monitoring, incident response, and security controls. Serves as the Tier 3 technical authority, develops PowerShell and Microsoft Graph automation, manages migrations and integrations, maintains architecture documentation, and drives adoption of new Microsoft capabilities.
Summary Generated by Built In
A 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.

Skills Required

  • Bachelor's degree in Information Technology, Computer Science, or a 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, Microsoft Teams, Exchange Online, OneDrive for Business, Microsoft Entra ID, IAM, and Microsoft Intune
  • 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
  • Experience supporting global organizations and geographically distributed teams
  • Microsoft 365 Certified: Enterprise Administrator Expert certification
  • Microsoft Certified: Identity and Access Administrator Associate certification
  • Microsoft Certified: Endpoint Administrator Associate certification
  • Microsoft Certified: Cybersecurity Architect Expert certification
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The Company
HQ: Waltham, MA
1,220 Employees

What We Do

FRAUD ALERT: Please take note that it has come to our attention that individuals purporting to work for Repligen are reaching out to prospective job applicants using fraudulent email addresses. All legitimate communications from Repligen will be sent from an individual with an email address ending in @repligen.com. If you have any concerns that a communication may be fraudulent and you would like to confirm whether it is, you may email [email protected] and someone will respond. Repligen is a bioprocessing-focused life sciences company bringing over 40 years of expertise and innovation to our customers. We are inspiring advances in bioprocessing through the development and commercialization of high-value products and flexible solutions that address critical steps in the production of biologic drugs, principally monoclonal antibodies. Repligen headquarters is in Waltham, Massachusetts and our manufacturing facilities are located around the world. We market our products globally through a direct commercial organization in the U.S., Europe and Asia, as well as through strategic partners in select markets.

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