Senior Lead Vulnerability Engineer

Salary: £100,000 - 100,000 per year

Requirements

• We are looking for someone with at least 5 years of experience blending vulnerability research with production-grade software engineering.
• We need proven experience in original 0-day discovery, public advisories, CVEs, and 0-day or n-day patch diffing.
• We require deep competence across both web and binary vulnerability classes.
• We expect hands-on experience with Burp Suite, Ghidra or IDA, debuggers, and fuzzers.
• We are looking for strong Python programming skills and experience building and deploying production-quality code used by real users.
• We value practical experience designing and implementing LLMs to accelerate research or engineering workflows.
• We need a proactive, ownership-driven mindset that can thrive in a fast-paced scale-up environment.
• We welcome candidates with strong offensive security expertise and the ability to work across multiple domains.
• We do not require certifications if you can demonstrate relevant experience and measurable impact.

Responsibilities

• We hunt for 0-day and n-day vulnerabilities through security research, patch diffing, and reverse engineering.
• We engineer and maintain internal tooling for automated vulnerability discovery, exploit validation, and detection signature generation.
• We design and operationalise LLM-powered workflows to accelerate offensive security research and engineering.
• We focus on critical, high-impact weaknesses such as full system compromise and remote code execution.
• We present original research to the global cybersecurity community at top-tier conferences.
• We work across web and binary targets, including source-available and binary-only systems.
• We build robust, production-quality tools that scale our research across a broad attack surface.

Technologies

• Support
• LLM
• Python
• Security
• Web
• AI
• Firmware

More

We are a multi-award-winning, software-based organisation at the forefront of pre-emptive exposure management, backed by significant venture funding and growing our offensive security capabilities globally. This is a fully remote role for candidates based in the UK, offering a salary of up to £115,000 plus bonus, share scheme, and staff benefits. We support original research, sponsor conference presentations, and value attitude and aptitude over certifications. We are committed to diversity, equity, and inclusion and welcome applications from underrepresented groups, minorities, women in cybersecurity, neurodiverse individuals, LGBTQ community members, veterans, and people from diverse socioeconomic backgrounds.

last updated 19 week of 2026