GrepJob
Monzo

Senior Offensive Security Engineer

Monzo
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about 3 hours ago
Remote, United Kingdom or London, United KingdomSenior

Responsibilities

  • Lead offensive security projects from initial idea through to execution and reporting.
  • Simulate real-world attacks to uncover vulnerabilities across systems, infrastructure, and products.
  • Partner with engineering and security teams to improve detection, response, and resilience.
  • Bring an attacker mindset into conversations, challenging assumptions.
  • Produce proof-of-concept exploits to demonstrate risk and drive meaningful fixes.
  • Mentor others in the team and act as a highly independent technical lead on complex engagements.

Requirements

  • Possess a strong attacker mindset and curiosity about system vulnerabilities.
  • Have hands-on experience in offensive security across web, mobile, cloud, or infrastructure.
  • Be comfortable working with modern tech stacks like Kubernetes, AWS/GCP, and microservices.
  • Demonstrate ownership of ambiguous problems and drive them to impactful outcomes.
  • Enjoy collaborating with others and influencing teams to think more securely.
  • Have experience in security testing and/or relevant certifications (e.g., OSCP, CREST).

Benefits

  • Salary range of £76,500 - £90,000 plus performance-based incentive awards.
  • Flexible working hours and the option for remote work within the UK.
  • £1,000 annual learning budget for books, training courses, and conferences.
  • Provision of Macbooks and support for remote work setup.