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Senior Security Researcher
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Senior Security Researcher
Salary: £90,000 - £100,000 + attractive benefits
Location: UK (Remote-first / occasional London meetings)
Employment: Full Time, Permanent
This is an opportunity to join a high-growth, PE-backed cybersecurity software company whose technology protects organisations against sophisticated file-based and zero-day threats.
Following significant investment and continued growth, the business is expanding its technical capability and strengthening its dedicated security research function. This senior appointment will take ownership of complex, open-ended investigations and turn original research into practical defensive capability.
You will explore unfamiliar technologies, analyse malicious material, build proof-of-concept files and become the internal subject-matter expert, working closely with developers to translate findings into live product improvements.
The Role
As a Senior Security Researcher, you will independently investigate emerging threats, unfamiliar file formats, technical specifications and potentially malicious content. You will design experiments, develop proof-of-concept files and produce clear, evidence-based findings that other technical teams can use.
The ideal person is naturally curious and comfortable beginning without a known answer or established playbook. You may come from security research, threat hunting, malware analysis, detection research or offensive security, but you must be able to demonstrate investigations you have personally owned and explain how your work created a practical outcome.
Senior Security Researcher Responsibilities
- Lead independent research into emerging threats, attack techniques, file formats and security vulnerabilities.
- Investigate unfamiliar technical material and rapidly develop subject-matter expertise.
- Analyse suspicious files, malware, scripts and shellcode using static and dynamic techniques.
- Determine whether material is malicious or benign and understand its likely behaviour and objectives.
- Design experiments and build proof-of-concept files, prototypes and defensive solutions.
- Translate research findings into practical product capabilities alongside Software Engineering.
- Act as the internal SME, supporting developers and other technical teams through implementation.
- Produce clear, repeatable and evidence-based technical reports and demonstrations.
- Use AI-assisted tools to accelerate research while critically validating their output and limitations.
- Share research through internal briefings, technical publications, demonstrations or industry events.
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Senior Security Researcher Benefits
- £90,000 - £100,000 basic salary plus an attractive benefits package.
- Join a high-growth, PE-backed cybersecurity software company solving complex security challenges.
- Genuinely exploratory research rather than a role governed by a predefined playbook.
- Direct influence over the development of cutting-edge defensive cybersecurity technology.
- Remote-first UK culture with occasional meetings in Central London.
- Private medical, life assurance, critical illness and income protection.
- Scope to progress into project leadership or team management as the research function grows.
Senior Security Researcher Requirements:
- Substantial hands-on experience in security research, threat hunting, malware analysis, detection research, red teaming or a related discipline.
- Evidence of independently owning complex, open-ended technical investigations within the last five years.
- Strong understanding of malware behaviour and the ability to classify suspicious material as malicious or benign.
- Practical experience of static and dynamic analysis, including scripts, shellcode or disassembled code.
- Ability to interpret disassembled code at a high level; deep binary reverse-engineering expertise is beneficial but not essential.
- Programming or scripting capability using Python, C++, C#, PowerShell, Bash or comparable languages.
- Experience working with developers and translating research into implementable defensive or product capability.
- Ability to discuss previous projects clearly, including your personal contribution, methodology and outcome.
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Desirable:
- Published security research, technical blogs, white papers or conference presentations.
- Public GitHub projects, proof-of-concept code or CVEs supported by detailed technical research.
- Experience developing detections, defensive tooling or capability within a cybersecurity product.
- A relevant degree or recognised offensive, defensive, malware or reverse-engineering certification.
To Be Considered:
Please either apply by clicking online or emailing annabelle.edwards@searchability.com. By applying for this role, you give express consent for us to process and submit (subject to suitability) your application to our client in conjunction with this vacancy only.
Key Skills: Security Research, Malware Analysis, Threat Hunting, Reverse Engineering, Static Analysis, Dynamic Analysis, Python, Cyber Security
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