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Senior Vulnerability Researcher (Cyber Security)

coretech security • United Kingdom
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Join CoreTech Security as a Senior Vulnerability Researcher to lead cutting-edge security research, reverse engineering, and exploitation tasks. Focus on Android/iOS internals, proprietary binary analysis, and developing novel tools for high-impact vulnerabilities. Requires deep technical expertise in reverse engineering, bug hunting, and collaboration with a top-tier research team.

Key Highlights
Lead vulnerability research and reverse engineering for high-profile UK clients
Develop novel tools and techniques for advanced security research using Ghidra/IDA Pro
Work with ARM, ARM64, MIPS, and Linux/Android/iOS internals to uncover critical flaws
Key Responsibilities
Develop deep technical understanding of Android/iOS and Linux internals
Reverse engineer proprietary binaries using ARM/ARM64/MIPS architectures
Audit C/C++ source code to identify and exploit security vulnerabilities
Design and implement niche security solutions with real-world impact
Collaborate with engineers to develop novel research tools and methodologies
Lead technical projects and mentor junior researchers
Technical Skills Required
Reverse Engineering (Ghidra/IDA Pro) ARM/ARM64/MIPS Exploitation C/C++ Programming
Benefits & Perks
Market-leading salaries based on technical excellence
25 days annual leave + bank holidays (with optional extra days)
Financial relocation support for HMRC allowable costs
Private medical insurance (GP, physiotherapy, mental health support)
8% company pension contribution with no minimum employee contribution
Enhanced maternity/paternity/adoption leave (12-20 weeks full pay)
Cycle-to-work scheme (including e-bikes up to £1,000)
O'Reilly books subscription and technical training opportunities
Annual health assessments and company-wide bonus scheme
Flexible work arrangements (hybrid/remote near Salisbury)
Nice to Have
Expertise in x86/x64 architectures
Web/network vulnerability research experience
Familiarity with iOS internals
Experience in developing proof-of-concept exploits in Python/Assembly

Job Description

Working for CoreTech as a vulnerability researcher will see you join a world-class team of developers and vulnerability researchers whose mission is to deliver bespoke products and research into the most interesting cyber security clients in the UK.CoreTech is looking for candidates with a bug hunting, ethical hacking or reverse engineering background to join our vulnerability research team. We deliver bespoke and innovative solutions which enable the operational needs of our clients. Our team is highly experienced, deeply technical and has a rich history of blending rapid prototyping, security research and software engineering skills.
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