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701 Sr. Systems Engineer

Job in Washington, District of Columbia, 20006, USA
Listing for: iQuasar LLC
Full Time position
Listed on 2026-08-15
Job specializations:
  • Engineering
    Systems Engineer, Cybersecurity
Job Description & How to Apply Below

Sr. Systems Engineer

iQuasar LLC is seeking to fill a Sr. Systems Engineer position in Washington DC. At iQuasar, we strive to provide the next generation of cutting-edge technologies. Our growth means exciting career opportunities for talented professionals in engineering, software development, and other key areas. We offer competitive compensation and benefits including Health, Vision, and Dental Insurance, a matching 401k plan, and other benefits given below, excellent training, and a vibrant working environment.

Our exceptional employees give us a competitive advantage by innovating solutions with a strong sense of mission and integrity.

Position Requirements:

  • Lead the migration from on-premises Iron Port 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 Proofpoint Messaging Security Gateway 8.x
  • Experience with Linux Server and VM Ware

Note:

  • Unless specified, we require full-time onsite presence.

An Equal Opportunity Employer

iQuasar LLC is a proud partner of the Military Spouse Employment Partnership (MSEP) and the Virginia Values Veterans (V3) Program, reflecting our strong commitment to supporting military spouses, veterans, and inclusive hiring practices. We are an Equal Opportunity Employer and do not discriminate based on race, religion, color, national origin, political affiliation, sex, sexual orientation, gender identity, age, marital/parental/veteran status, disability, genetic information, membership in an employee organization, retaliation, military service, non-merit factors, or any other characteristics protected by applicable law.

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