Monzo’s Offensive Security team is looking for a security professional to identify and demonstrate vulnerabilities before others do through testing, red teaming, purple teaming, and adversarial research.

Responsibilities

• Leading offensive security projects from initial idea through to execution and reporting
• Simulating real‑world attacks to uncover vulnerabilities across our systems, infrastructure, and products
• Partnering with engineering and security teams to improve detection, response, and resilience
• Bringing an attacker mindset into conversations – asking what if? and challenging assumptions
• Producing proof‑of‑concept exploits to clearly demonstrate risk and drive meaningful fixes
• Mentoring others in the team and acting as a highly independent technical lead on complex engagements

Qualifications

• Strong attacker mindset and natural curiosity about how systems can be broken
• H...