> Markdown version of [/jobs/ext/2305258-pen-tester](https://www.wearedevelopers.com/jobs/ext/2305258-pen-tester). 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). --- # Pen Tester - **Company:** Remarkable Jobs - **Location:** London, UK (Remote available) - **Experience:** Experienced - **Salary:** £45,000.0 - £60,000.0 - **Contract:** Permanent contract - **Skills:** Application Programming Interfaces (APIs), Amazon Web Services, Software System Penetration Testing, Microsoft Azure, Burp Suite, Continuous Integration, White-Box Testing, Hardware Security Module, Kali Linux, Nmap, Red Team (Cyber Security), Google Cloud, Cloud Platform System, Containerization, Metasploit, Nessus - **Published:** August 30, 2026 - **Apply:** https://www.collegerecruiter.com/job/2815363356-pen-tester ## About the Role * 3-5 years of hands-on penetration testing experience * Strong understanding of OWASP and vulnerability testing standards * Proficiency with tools such as Kali, Burp Suite, Nmap, Nessus, Metasploit * Knowledge of cloud platform testing (AWS, Azure, GCP) * Strong reporting and client communication skills * Relevant qualifications such as CREST CRT, OSCP, OSCE, or CCT Desirable * Familiarity with CI/CD environments and containerisation * Programming and scripting knowledge * Red Team or bug bounty experience * Experience with CobaltStrike, IoT, or hardware security, * Organised, proactive, and analytical * Strong communicator with a collaborative mindset * Able to manage time effectively across multiple assignments * Detail-oriented with a commitment to high-quality documentation ## Description As a Security Testing Consultant (Pen Tester), you will play a vital role in identifying and mitigating vulnerabilities in client systems including applications, infrastructure, cloud platforms, APIs, and mobile technologies. You'll be part of a collaborative team, providing expert guidance and helping to ensure the highest standards of cybersecurity., * Deliver penetration testing across web, cloud, mobile, and infrastructure * Conduct black box, grey box, and white box testing * Produce detailed reports and deliver findings to clients * Advise clients on remediation strategies and provide post-test support * Support team knowledge sharing and mentor junior consultants * Participate in Red Team activities and social engineering assessments * Contribute to evolving internal processes and methodologies ## Related Videos - [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) - [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) - [Security Pitfalls for Software Engineers](https://www.wearedevelopers.com/videos/726-security-pitfalls-for-software-engineers) - [Securing Your Web Application Pipeline From Intruders](https://www.wearedevelopers.com/videos/53-securing-your-web-application-pipeline-from-intruders) ## Related Articles - [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) - [Should senior developers refuse interview coding challenges?](https://www.wearedevelopers.com/magazine/29-should-senior-developers-refuse-interview-coding-challenges) - [Dev Digest 138 - Are you secure about this?](https://www.wearedevelopers.com/magazine/486-dev-digest-138-are-you-secure-about-this) - [Why Upskilling And Reskilling is Important For Developers](https://www.wearedevelopers.com/magazine/428-why-upskilling-and-reskilling-is-important-for-developers)