> Markdown version of [/jobs/ext/1986003-penetration-tester-web-infra-security](https://www.wearedevelopers.com/jobs/ext/1986003-penetration-tester-web-infra-security). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Penetration Tester: Web & Infra Security - **Company:** Wtw - **Location:** Madrid, Spain - **Contract:** Permanent contract - **Skills:** Software System Penetration Testing, Vulnerability Analysis - **Published:** August 8, 2026 - **Apply:** https://www.buscojobs.com.es/penetration-tester-web-infra-security-en-madrid-ID-366028363 ## About the Role WTW is seeking a security-focused professional to conduct vulnerability assessments, perform penetration testing, and provide remediation guidance. The role emphasizes ethical testing practices and staying updated with evolving threats. Strong English communication is required, with a background in web and infrastructure security.The candidate will collaborate with developers and IT teams to strengthen security controls and document findings for leadership and stakeholders. #J-*****-Ljbffr ## Description WTW is seeking a security-focused professional to conduct vulnerability assessments, perform penetration testing, and provide remediation guidance.The role emphasizes ethical testing practices and staying updated with evolving threats.Strong English communication is required, with a background in web and infrastructure security.The candidate will collaborate with developers and IT teams to strengthen security controls and document findings for leadership and stakeholders.#J-*****-Ljbffr ## Related Videos - [Security Pitfalls for Software Engineers](https://www.wearedevelopers.com/videos/726-security-pitfalls-for-software-engineers) - [How to Cause (or Prevent) a Massive Data Breach- Secure Coding and IDOR](https://www.wearedevelopers.com/videos/39-how-to-cause-or-prevent-a-massive-data-breach-secure-coding-and-idor) - [Hacking Kubernetes: Live Demo Marathon](https://www.wearedevelopers.com/videos/488-hacking-kubernetes-live-demo-marathon) - [You can’t hack what you can’t see](https://www.wearedevelopers.com/videos/41-you-can-t-hack-what-you-can-t-see) - [Maturity assessment for technicians or how I learned to love OWASP SAMM](https://www.wearedevelopers.com/videos/351-maturity-assessment-for-technicians-or-how-i-learned-to-love-owasp-samm) - [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 - [The 8 Best Code Testing Tools](https://www.wearedevelopers.com/magazine/402-the-8-best-code-testing-tools) - [Understanding and Mitigating Common Web Vulnerabilities](https://www.wearedevelopers.com/magazine/565-understanding-and-mitigating-common-web-vulnerabilities) - [Dev Digest 134 - Where pixels sing?](https://www.wearedevelopers.com/magazine/477-dev-digest-134-where-pixels-sing) - [Walking Into The Era of Supply Chain Risks](https://www.wearedevelopers.com/magazine/106-walking-into-the-era-of-supply-chain-risks) - [Where To Find Software Engineering Jobs](https://www.wearedevelopers.com/magazine/396-where-to-find-software-engineering-jobs) - [9 Ways to Make Money Hacking](https://www.wearedevelopers.com/magazine/333-9-ways-to-make-money-hacking)