Senior Penetration Tester — Cloud & Web Security Lead

Cybersecurity
Arlington
May 11, 2026
$100000 - $130000 / year
Full Time
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Job Description

Company: CoStar Group, Inc.

Location: Arlington, US

CoStar Group, Inc. seeks a Security Penetration Tester in Arlington, VA, to lead penetration tests and collaborate with the security team, focusing on web applications and infrastructures. The role requires a Bachelor’s in Computer Science, 6 years of technical experience, and expertise in offensive security tools. CoStar offers competitive compensation, comprehensive benefits, and fosters a collaborative culture to empower employees.

Source: JobLeads

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