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Senior Proofpoint / Email Security Engineer

Radiant System, IncWashington, DC🇺🇸United StatesPosted 12 Aug 2026

Why This Role Stands Out

This role offers a fantastic opportunity to lead a significant cloud migration and gain expert-level experience with Proofpoint, a leading email security solution. You'll thrive here if you have a strong background in enterprise email security and enjoy managing critical security infrastructure in a hybrid environment. Apply today to advance your career and contribute to a robust security posture.

Quick Overview

Seniority
Mid Senior
Work mode
Hybrid
Location
Washington, DC, United States
Posted
4 weeks ago
GPTVMware

Job Description

Requirements:

  • Lead the migration from on-premises IronPort email security appliances to a Proofpoint cloud-based email security solution, ensuring a seamless transition with minimal disruption to email services.
  • Expert-level experience designing, configuring, and maintaining Proofpoint as an enterprise email security service.
  • Strong experience configuring Proofpoint firewall rules and maintaining block lists/allow lists.
  • Experience responding to requests to quarantine, release, or manage email messages.
  • Deep understanding of MTA (Mail Transfer Agent) concepts and Proofpoint Messaging Security Gateway (PSMG) 8.x.
  • Hands-on experience with Linux Server environments.
  • Experience working with VMware and virtualized infrastructure.
  • Strong troubleshooting and problem-solving skills in enterprise email security environments.
  • Ability to coordinate migration activities, resolve issues, and minimize impact to business email services.
 

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