Penetration Tester

Penetration tester responsible for leading AI-enabled vulnerability research and bug-hunting across priority applications, with initial focus on internet-facing assets. The role combines deep manual offensive testing with frontier-model-assisted discovery, exploit validation (including chaining), risk-based triage, and remediation enablement. Focus is on identifying real exploitable risk quickly, preventing triage backlog growth, and improving security engineering outcomes through repeatable testing standards and guardrails.

Project Context

• Critical programme addressing AI-related security threats
• Building a new specialist squad within Cyber Security
• Work will be iterative and agile, focused on identifying and remediating vulnerabilities

Role Purpose

• Combine traditional penetration testing with AI capabilities
• Focus on:
• AI-enabled vulnerability research
• Perform end-to-end testing, including:
• Source code review using AI
• Manually validating vulnerabilities

Key Requirements

• Experience with:
• Vulnerability research
• Pen testing tools, methodologies, and processes
• Hands-on experience using AI/LLMs
• Experimenting with AI for security testing
• Using LLMs for automation or research
• Validate AI-generated findings manually
• Translate findings into actionable insights

Nice-to-Have

• Experience building or automating AI-driven testing workflows
• Bug bounty / research background
• Advanced experimentation with LLMs in security contexts
• Advanced experimentation with LLMs in security contexts

Candidate Profile

• Senior, proactive, and research-driven
• At the cutting edge of AI in security
• Lead assigned workstreams
• Provide feedback to engineering teams
• Strong communication skills (critical for cross-team collaboration)

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