6 of 6 White-Box Testing Jobs in London

include: manual test cases, writing test automation, and use of various tools. Our QA Engineers use black box, gray box, and white box testing techniques; they are able to understand software internals, debug problems using log files, and write automated tests and/or user-level test automation tools. Software … assess product quality. Knowledge of professional software engineering practices & best practices for the full software development life cycle, including coding standards, code reviews, source control management, build processes, testing, and operations. Experience developing in a Linux environment and in utilizing virtual machines. Expert in software quality and testing methodologies. Comfortable working in a fast-paced, highly More ❯

manage a large-scale, multi-vendor network with an emphasis on automation, telemetry, and model-driven infrastructure as code. Automate the full network lifecycle-including provisioning, configuration, observability, testing, troubleshooting, and capacity planning. Collaborate with architecture and design teams and the CTO office to implement new technologies that ensure scalability, efficiency, and operational resilience. Develop tools and platforms More ❯

Tester to join a dynamic and collaborative security consultancy based in London. This role is ideal for a proactive individual with a hacker’s mindset and broad security testing experience across applications, networks, cloud platforms, and more. You'll be a key player in delivering high-quality penetration tests while also supporting client advisory, team development, and process … improvement. What’s in it for you? Autonomy and ownership in conducting diverse penetration testing engagements. Ongoing professional development with access to industry events and training. A positively charged work environment with flexibility for hybrid working post-probation. Responsibilities: Conduct web, mobile, API, infrastructure, cloud, and wireless penetration testing. Create detailed technical reports and deliver test findings directly … marketing materials such as research papers and articles. Skills/Must have: Strong knowledge of OWASP methodologies and offensive testing across black/grey/white-box approaches. Proficiency in tools like Burp Suite, Kali, Nmap, Nessus, Qualys, Metasploit. Familiarity with cloud platform security testing (AWS, Azure, GCP). Understanding of mobile More ❯

Job Title: Security Testing Consultant (Penetration Testing) Location: London SE1 (with hybrid working available post-probation) Salary: 45,000 - 60,000 + benefits Are you a skilled Penetration Tester looking to join a collaborative and mission-driven cyber security team? This Security Testing Consultant position offers the chance to deliver high-impact security assessments … across web applications, infrastructure, cloud platforms, APIs, mobile, and wireless systems. You'll be part of a close-knit team delivering trusted security testing and advisory services for clients across various industries. If you're passionate about offensive security and want to contribute to Red Team activities while supporting junior team members, this role is for you. What … API, infrastructure, and cloud penetration tests. Deliver high-quality technical reports and confidently present findings to clients. Support remediation efforts and provide client-facing consultancy. Help develop internal testing methodologies and contribute to Red Team and social engineering operations. Support junior team members and engage in knowledge sharing. Key Skills & Experience: 3-5 years' penetration testing More ❯

Job Title: Security Testing Consultant (Penetration Testing) Location: London SE1 (with hybrid working available post-probation) Salary: £45,000 - £60,000 + benefits Are you a skilled Penetration Tester looking to join a collaborative and mission-driven cyber security team? This Security Testing Consultant position offers the chance to deliver high-impact security assessments … across web applications, infrastructure, cloud platforms, APIs, mobile, and wireless systems. You'll be part of a close-knit team delivering trusted security testing and advisory services for clients across various industries. If you're passionate about offensive security and want to contribute to Red Team activities while supporting junior team members, this role is for you. What … API, infrastructure, and cloud penetration tests. Deliver high-quality technical reports and confidently present findings to clients. Support remediation efforts and provide client-facing consultancy. Help develop internal testing methodologies and contribute to Red Team and social engineering operations. Support junior team members and engage in knowledge sharing. Key Skills & Experience: 3-5 years' penetration testing More ❯

team, though team members lead individual projects. You will mostly work with the evals team, but you will likely sometimes interact with the interpretability team, e.g. for white-box evaluations, and with the governance team to translate technical knowledge into concrete recommendations. You can find our full team here . ABOUT THE ROLE We're looking More ❯