Collaboration Services M365 Exchange & Security Administrator , Assistant Vice President
Core
Hands-on administrator responsible for secure administration, implementation, documentation, and advanced support of Exchange Online, hybrid, and on-premises environments, alongside Microsoft Defender for Office 365 and enterprise email security services.
Role type
Senior IC M365 Exchange & Security Administrator
Builds
Secure mail flow, threat-protection capabilities, and operational resilience for business and technical users
Domain
Financial Services / Enterprise Email Security
Required skills
Exchange Online administration, Exchange hybrid/on-premises management, Microsoft Defender for Office 365, email security controls, PowerShell scripting, Microsoft Graph APIs, Microsoft Entra ID, Conditional Access, Microsoft Purview, incident management, root cause analysis
Preferred skills
Python, Power Automate, third-party email security integrations, DLP platforms, service principal management
Technologies
Exchange Online, Exchange Server, Microsoft Defender for Office 365, Microsoft Purview, Microsoft Entra ID, PowerShell, Microsoft Graph, Python, Power Automate
Responsibilities
Administer mail flow, transport rules, connectors, and certificates; manage anti-phishing, anti-spam, and anti-malware policies; troubleshoot complex production issues; automate administration via PowerShell and Graph; support application onboarding and legacy platform decommissioning; monitor threats and service health; lead technical troubleshooting during major incidents; maintain least-privilege access and RBAC; create technical standards and operational procedures; participate in audit activities
Seniority
Senior, hands-on IC
