Find the vulnerabilities in the systems of one of the Netherlands' largest banks.Imagine: you're rushing into a shop at the train station. At checkout, the terminal beeps: 'insufficient funds'. You grab your phone, log into your banking app, and instantly transfer money from your savings to your current account. The fact that this is all possible, quickly and above all securely , is partly thanks to the work of our security professionals.As a Security Tester, you are the expert who challenges our applications and finds vulnerabilities before malicious actors can. For a leading financial institution, we are looking for a driven specialist who wants to make a difference.Your Technical Playground & SkillsYour expertise is the key to a secure digital environment. We are looking for a candidate with a strong technical background in the following domains:Secure Code Review: You have in-depth knowledge and experience reviewing code in .NET, JAVA, React, and AngularJS .Infrastructure & Cloud Security: You know the weak spots in cloud environments ( Azure, AWS ) and on-premise systems ( Linux, Windows ).Testing Expertise: You are an expert in (web) application pentesting, mobile testing (iOS & Android), and network testing .Tooling & Certification: You have extensive experience with DAST/SAST tooling and code-scanning. A certification like OSCP (or similar) is a strong plus.Way of Working: You feel at home in an Agile environment and have a DevOps mindset.Your Mission: Keeping the Bank SecureAs a Security Tester in the Vulnerability Management team, your mission is clear: find and report vulnerabilities in the systems used by millions of customers every day. You will:Perform Security Tests: Proactively hunt for weaknesses across a wide range of applications.Analyze Code: Dive into the source code to identify vulnerabilities at an early stage.Advise Development Teams: Not only inform developers about findings but also advise them on concrete solutions and best practices.Collaborate on Security: You will be part of a team that also provides services like Vulnerability Hunting, Responsible Disclosure, and Vulnerability Scanning.Your ProfileBesides your technical expertise, you are creative and think 'out-of-the-box'. You have a true 'security mindset,' are highly analytical, proactive, and an excellent communicator who collaborates well within a large, complex organization.About the ClientOur client is a cooperative bank with millions of customers at home and abroad. With their mission to make the world a little better, they are actively committed to social projects that contribute to welfare and prosperity. You will be joining an organization where technology and societal impact go hand in hand.The Offer & Practical DetailsRole: Security Tester / Pen TesterLocation: Utrecht, CroeselaanStart Date: As soon as possible (intended period until March 31, 2026).Contract Type: Payroll contract through us. Please note: Freelance (ZZP) is not possible.Language: English is mandatory, Dutch is a plus.Screening: A High Risk Screening is part of the procedure.Ready to apply your ethical hacking skills?Apply now! Please note: due to the large number of expected applicants and the search for only one candidate, we may close this vacancy early. We advise you to apply promptly.
