Penetration Tester - Web in London

My client is a fast-growing cybersecurity company protecting digital and physical access for some of the world\’s most security-conscious organisations. Their platforms operate at global scale and defend against modern threats including automation, deepfakes, and generative AI.
As part of thier continued growth, we\’re looking for an experienced Red Team Engineer to join our offensive security team, with a strong focus on web applications, APIs, and identity flows .
What you\’ll be doing Run Red Team operations against web platforms and APIs
Perform penetration testing and real-world attack simulations
Research attacker TTPs and build proof-of-concept exploits
Identify, exploit, and clearly communicate security risks
Produce actionable remediation guidance for engineering teams
Partner with developers and defenders to drive secure-by-design outcomes
Validate fixes and feed findings into secure SDLC and CI/CD pipelines
What we\’re looking for 5+ years\’ experience in red teaming, pentesting, or offensive security
Strong knowledge of modern web technologies and application security
Proficiency with tools like Burp Suite or OWASP ZAP
Experience building custom security tooling or automation
Clear written and verbal communication skills
You\’ll work on high-impact security challenges, collaborate with top engineers, and help defend systems used by millions — all within an inclusive, high-growth environment where your work truly matters.
Apply now or message us to learn more.

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