Senior Cyber Security Test Researcher
We are seeking a Senior Cyber Security Test Researcher to lead the research, design and delivery of advanced security testing activities across complex systems, applications and infrastructure. You will investigate emerging threats, develop realistic attack scenarios and assess how effectively defensive controls identify, contain and respond to malicious activity. Working across multidisciplinary teams, you will turn technical findings into clear, actionable recommendations that strengthen resilience and support informed security decisions.
Your responsibilities will include planning and conducting penetration tests, red-team exercises, vulnerability assessments and threat-led security evaluations. You will research new attack techniques, tools and vulnerabilities, creating proof-of-concept exploits or test methods where appropriate. You will analyse test results, validate weaknesses, document evidence and produce high-quality technical reports for both specialist and non-specialist audiences. You will also contribute to security testing methodologies, improve repeatable processes, mentor less experienced colleagues and present findings to senior stakeholders. The role may involve collaborating with developers, engineers, incident responders and risk professionals to track remediation and confirm that identified issues have been effectively addressed.
Applicants should have substantial experience in cyber security testing, offensive security research or a closely related discipline, with a strong understanding of networks, operating systems, cloud environments, web applications and common security protocols. Practical experience using penetration-testing and vulnerability-assessment tools is essential, alongside the ability to script or develop in languages such as Python, PowerShell, Bash or similar. You should be comfortable researching unfamiliar technologies, questioning assumptions and working independently on complex technical problems. Relevant professional certifications, such as OSCP, CREST, GIAC or equivalent experience, would be advantageous. Strong written and verbal communication skills, sound judgement and a methodical approach to managing sensitive information are also required.
Senior Cyber Security Test Researcher
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