Infrastructure Engineer Sr. (Proofpoint Engineer)
Core
Senior Infrastructure Engineer responsible for monitoring, maintaining, and securing enterprise-scale Proofpoint email infrastructure (60k+ mailboxes, 7MM emails/day) and responding to security events.
Role type
Senior Infrastructure Engineer (Email Security)
Builds
Production email security infrastructure and monitoring workflows
Domain
Financial Services / Email Security
Deliverable
production ML models | product features | dashboards & analysis | infrastructure
Required skills
Proofpoint on-premises & cloud platforms, SKIM/SPF/DMARC, SMTP diagnostics, complex email flow configuration, enterprise change management, architectural documentation
Preferred skills
Proofpoint certifications, security event response, system anomaly detection
Technologies
Proofpoint, SMTP, SKIM, SPF, DMARC
Responsibilities
Monitor health and functionality of Proofpoint infrastructure, assist with responding to security events and system anomalies, develop and maintain process workflow and infrastructure architectural diagrams, ensure adherence to enterprise change and risk control management standards, perform on-call rotation for critical after-hours support
Seniority
Senior, hands-on IC
