Senior Offensive Security Lead (Remote/UK)

Monzo • cardiff, wales • Posted June 29, 2026

About the Role

Monzo's Offensive Security team seeks a security professional in Cardiff to identify vulnerabilities before they can be exploited. Responsibilities include leading security projects, simulating real-world attacks, and mentoring others. Candidates should possess a strong attacker mindset and hands-on experience in offensive security.

The role offers a competitive salary of £76,500 - £90,000 plus incentives, flexible working hours, and a generous learning budget.

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