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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Senior Consultant, Web Application Pen Testing - **Company:** Google - **Location:** UK - **Experience:** Expert - **Salary:** £88,000.0 - £90,000.0 - **Contract:** Permanent contract - **Skills:** JavaScript (Programming Language), Microsoft Windows, Application Programming Interfaces (APIs), Apple Mac Systems, Business Logic, Software System Penetration Testing, Bioinformatics, Cloud Computing Security, Cyber Security, Computer Programming, Linux, Python (Programming Language), Network Protocols, Open Web Application Security, Red Team (Cyber Security), Web Applications, GWAPT, Information Technology, Graphql, Restful APIs, Operating System Security, Api Management, Microservices - **Published:** August 12, 2026 - **Apply:** https://jobs.theguardian.com/job/10171679/senior-consultant-web-application-pen-testing/ ## About the Role * Bachelor's degree or equivalent practical experience in Computer Science, Cybersecurity, or a related field. * 5 years of experience in offensive security, specifically focused on manual web application pen testing and API testing. * Experience with operating system security across Linux, Windows, and macOS. * Experience delivering reports to both technical and executive audiences (e.g., explaining exploit chains or technical risks)., * Relevant industry certifications such as Offensive Security Web Expert (OSWE), GIAC Web Application Pen Tester (GWAPT), Offensive Security Certified Professional (OSCP), eLearnSecurity Web application Pen Tester eXtreme (eWPTX), or CCT APP. * Experience assessing cloud security environments, including GCP. * Proficiency in scripting and programming languages such as Python, JavaScript, or Go for custom tool creation and exploit development. * Understanding of the OWASP Top 10 and advanced exploitation techniques for modern JavaScript/SPA frameworks, GraphQL, REST APIs, and microservices. * Understanding of network protocols, system administration, and technical incident response processes. * Proven track record of manually discovering and exploiting critical vulnerabilities. ## Description * Participate in the external phases of larger Red Team assessments, leveraging web application compromise to establish initial footholds. * Conduct in-depth, manual pen testing of web applications, APIs, microservices, and mobile backends, focusing on complex business logic vulnerabilities and novel attack vectors. Conduct network and infrastructure pen testing as part of broader client assessments. * Dedicate time to security research, finding new exploitation techniques, discovering 0-days, developing custom tools, and contributing back to the security community. * Author comprehensive, accurate, and highly technical reports detailing precise exploitation steps, proof-of-concepts, and remediation advice for developers and C-level stakeholders. * Act as a technical lead on engagements, helping to scope projects, guide delivery, and mentor junior consultants in advanced application security testing techniques. Information collected and processed as part of your Google Careers profile, and any job applications you choose to submit is subject to Google's Applicant and Candidate Privacy Policy. Google is proud to be an equal opportunity and affirmative action employer. We are committed to building a workforce that is representative of the users we serve, creating a culture of belonging, and providing an equal employment opportunity regardless of race, creed, color, religion, gender, sexual orientation, gender identity/expression, national origin, disability, age, genetic information, veteran status, marital status, pregnancy or related condition (including breastfeeding), expecting or parents-to-be, criminal histories consistent with legal requirements, or any other basis protected by law. See also Google's EEO Policy, Know your rights: workplace discrimination is illegal, Belonging at Google, and How we hire. If you have a need that requires accommodation, please let us know by completing our Accommodations for Applicants form. Google is a global company and, in order to facilitate efficient collaboration and communication globally, English proficiency is a requirement for all roles unless stated otherwise in the job posting. To all recruitment agencies: Google does not accept agency resumes. Please do not forward resumes to our jobs alias, Google employees, or any other organization location. Google is not responsible for any fees related to unsolicited resumes. Equity is granted exclusively and discretionarily by Alphabet Inc. on the basis of an agreement concluded between you and Alphabet Inc. Alphabet Inc. is your sole contractual partner with respect to equity grants. GSU grants are not guaranteed, are discretionary, are subject to approval by the Alphabet Inc. board of directors or its delegate, the terms of the relevant Alphabet Inc. stock plan, and your grant agreement. They have no impact on statutory payments. Current or past grants do not confer an acquired right. ## Related Videos - [Putting the Graph In GraphQL With The Neo4j GraphQL Library](https://www.wearedevelopers.com/videos/257-putting-the-graph-in-graphql-with-the-neo4j-graphql-library) - [Docker network without Docker](https://www.wearedevelopers.com/videos/1418-docker-network-without-docker) - [Security Pitfalls for Software Engineers](https://www.wearedevelopers.com/videos/726-security-pitfalls-for-software-engineers) - [GraphQL + Apollo + Next.js: A Lovely Trio](https://www.wearedevelopers.com/videos/311-graphql-apollo-next-js-a-lovely-trio) - [Docker exec without Docker](https://www.wearedevelopers.com/videos/1094-docker-exec-without-docker) - [It's a (testing) trap! - Common testing pitfalls and how to solve them](https://www.wearedevelopers.com/videos/1193-it-s-a-testing-trap-common-testing-pitfalls-and-how-to-solve-them) ## Related Articles - [Understanding and Mitigating Common Web Vulnerabilities](https://www.wearedevelopers.com/magazine/565-understanding-and-mitigating-common-web-vulnerabilities) - [The 8 Best Code Testing Tools](https://www.wearedevelopers.com/magazine/402-the-8-best-code-testing-tools) - [9 Ways to Make Money Hacking](https://www.wearedevelopers.com/magazine/333-9-ways-to-make-money-hacking) - [Dev Digest 134 - Where pixels sing?](https://www.wearedevelopers.com/magazine/477-dev-digest-134-where-pixels-sing) - [Dev Digest 120 - Apple and peers](https://www.wearedevelopers.com/magazine/455-dev-digest-120-apple-and-peers) - [The Most Popular IT Jobs on the Market](https://www.wearedevelopers.com/magazine/376-the-most-popular-it-jobs-on-the-market)