Position Title: Proofpoint Email Remediation Engineer Project Overview - The organization operates a large-scale enterprise messaging environment supporting approximately 47,000 Office 365 and Exchange mailboxes across 12,000 users. The email ecosystem includes advanced security and hygiene controls leveraging tools such as Proofpoint TRAP (Threat Response Auto-Pull), Proofpoint on Demand (POD), and Microsoft O365 Security & Compliance capabilities. The environment requires a balance between str