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Senior Security Engineer — Network, SaaS & AI

Job in Arlington, Arlington County, Virginia, 22201, USA
Listing for: CoStar Group
Full Time position
Listed on 2026-11-05
Job specializations:
  • IT/Tech
    Cybersecurity
Salary/Wage Range or Industry Benchmark: 115000 - 203000 USD Yearly USD 115000.00 203000.00 YEAR
Job Description & How to Apply Below

CoStar Group is seeking a Senior Security Engineer to advance enterprise security across network, cloud, SaaS, and AI systems. Role spans NGFW, CASB/SSE tooling, incident response, and governance with strong emphasis on secure design and risk management.

The position is hybrid in the US (Arlington/Richmond, VA) with in-office Mon–Thu and remote on Fridays, requiring clear communication with technical and non-technical stakeholders.

We invite applications for the Senior Security Engineer — Network, SaaS & AI position located in Arlington, VA, United States.

Learn more about the Senior Security Engineer — Network, SaaS & AI role in the description above.

We appreciate your interest in this position.

Join CoStar Group and contribute to our ongoing work.

Take a moment to read everything above and see whether this role is right for you.

Position Requirements
10+ Years work experience
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