Office 365 Infrastructure & Security Management Lead
Core
Strategic leadership and operational management of the global Microsoft 365 ecosystem, focusing on Exchange Online administration, enterprise email security, and tenant governance.
Role type
Senior IC Microsoft 365 Infrastructure & Security Management Lead
Builds
Secure, highly available, and scalable Microsoft 365 services for a global enterprise
Domain
Enterprise IT / Cloud Security / Microsoft 365
Deliverable
production ML models | product features | dashboards & analysis | infrastructure
Required skills
Microsoft 365 tenant administration, Exchange Online management, email security strategy, Proofpoint administration, Microsoft Defender for Office 365, threat prevention, tenant governance, identity services (Entra ID, SSO, MFA), conditional access, DLP, Zero Trust implementation, service operations (ITIL, SLAs), vendor management, automation strategies
Preferred skills
Hybrid Exchange environment management, advanced threat protection (ATP), Safe Links/Attachments, email authentication (SPF, DKIM, DMARC), Microsoft Purview, Insider Risk Management, Microsoft Intune, disaster recovery planning
Technologies
Microsoft 365, Exchange Online, Proofpoint, Microsoft Defender for Office 365, Microsoft Defender XDR, Microsoft Entra ID, Microsoft Purview, Microsoft Intune, ServiceNow
Responsibilities
Own strategy, roadmap, and architecture of the M365 platform; Lead global administration of Exchange Online and email security initiatives; Manage email routing, mail flow, and hybrid environments; Drive implementation and optimization of email security controls (DLP, ATP, anti-phishing); Partner with Cybersecurity teams to strengthen security posture; Administer identity services and tenant configurations; Lead day-to-day service operations and incident management; Develop governance controls and conduct risk assessments
Seniority
Senior, hands-on IC with strategic oversight