Senior Microsoft 365 & Identity Infra Lead

Clarivate Analytics; Philadelphia (Philadelphia County); Hybrid; USD 115,000 - 144,000; Full time

Job summary

Clarivate is seeking a Lead Infrastructure Engineer to design, operate, and evolve enterprise Microsoft 365 and end-user computing platforms including Exchange Online, Entra ID, and Intune.

You will act as senior escalation point for identity, messaging, and endpoint management, owning architecture, deployment, and security across hybrid environments. This role requires deep Microsoft expertise and hands-on leadership.

Qualifications

• 10+ years of experience supporting, engineering, and operating enterprise Microsoft infrastructure environments.
• Hands-on experience with Microsoft 365, Exchange Online, Hybrid Exchange, Entra ID, Active Directory, Intune, SCCM/MECM, Microsoft Teams, SharePoint Online, and OneDrive for Business.
• Experience designing, troubleshooting, and supporting complex Microsoft 365 hybrid environments.
• Strong understanding of directory services, identity architecture, authentication protocols, federation, SSO, MFA, Conditional Access, and Zero Trust principles.
• Proven experience managing large-scale endpoint estates, including Windows 10/11, Autopilot, application deployment, patch management, compliance, and device lifecycle management.
• Expert-level PowerShell scripting and automation skills, with experience using Microsoft Graph or modern infrastructure management techniques.
• Experience resolving enterprise-wide outages, conducting root cause analysis, and improving operational stability for critical services.
• Strong understanding of Microsoft licensing, service architecture, security controls, compliance requirements, and operational best practices.
• Experience with Microsoft Purview, Information Protection, DLP, eDiscovery, and Records Management.
• Experience with Microsoft Defender for Endpoint, Defender for Identity, and Defender for Office 365.
• Experience leading Microsoft 365 tenant-to-tenant migrations, M&A activities, divestitures, or large-scale carve-outs.
• Familiarity with JAMF, Apple device management, and cross-platform endpoint management.
• Experience with Azure infrastructure, automation frameworks, Infrastructure as Code, and Microsoft Graph API development.
• Relevant Microsoft certifications, such as Microsoft 365 Enterprise Administrator Expert, Identity and Access Administrator, Messaging Administrator, Endpoint Administrator, or Azure Administrator.

Responsibilities

• Serve as senior Tier-3 escalation for complex Microsoft infrastructure, identity, messaging, and endpoint issues.
• Own architecture and lifecycle of Microsoft 365 services (Exchange Online, Entra ID, Teams, SharePoint Online, OneDrive, and Purview).
• Lead hybrid identity designs integrating Active Directory, Entra ID, federation, and directory sync.
• Manage enterprise messaging: Exchange Online, hybrid deployments, mail routing, retention, and security.
• Architect endpoint management across Intune, SCCM/MECM, Autopilot, patching, and app deployment.
• Drive automation via PowerShell, Microsoft Graph, and modern infrastructure tooling.
• Partner with Security on identity governance, conditional access, privileged access, DLP, and compliance controls.
• Support tenant optimization, roadmaps, cloud transformations, and large-scale migrations.

Skills

PowerShell scripting

Automation

Leadership

Microsoft 365

Exchange Online

Identity security

Tools

Microsoft Graph

Intune

Autopilot

Job description

Clarivate is seeking a Lead Infrastructure Engineer to design, operate, and evolve enterprise Microsoft 365 and end-user computing platforms including Exchange Online, Entra ID, and Intune.

You will act as senior escalation point for identity, messaging, and endpoint management, owning architecture, deployment, and security across hybrid environments. This role requires deep Microsoft expertise and hands-on leadership.