Sr. Systems Engineer

Senior Systems Engineer Local DMV-area candidates only | Washington DC Onsite 3 months+ video & In-person Please submit only candidates with strong hands-on Proofpoint enterprise experience, particularly IronPort-to-Proofpoint migration, Proofpoint Messaging Security Gateway 8.x, firewall rules, block/quarantine management, Linux, and VMware experience. Position Requirements: Lead the migration from on-premises IronPort email security appliances to Proofpoint cloud-based email security solution,

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 mess

Lead the migration from on-premises IronPort email security appliances to Proofpoint cloud-based email security solution, ensuring seamless transition with minimal disruption to email services. Expert level experience designing, configuring and maintaining Proofpoint as an enterprise service Experience in setting Proofpoint firewall rules and maintaining block lists; responding to requests to quarantine or release email Deep understanding of MTA and Proofpoint Messaging Security Gateway and Proo

Senior System Engineer (Email Security) Washington, DC - 100% ONSITE Compensation: W2 or C2C Per Federal contract U.S. Citizenship Required Security Clearance: Must be able to pass Federal background check Application Deadline: 9/11/2026 Responsibilities: Lead the migration from on-premises IronPort email security appliances to Proofpoint cloud-based email security solution, ensuring seamless transition with minimal disruption to email services. Design, configure, and maintain Proofpoint as a