Job Description: UAT TesterType: B2B Contract-Till end of 2026 plus yearly extensions Location: BrusselsThe location can be either 50% onsite in Belgium (onshore rate) or fully remote within the EU, with occasional travel to the Brussels office (travel expenses reimbursed, offshore rate) Overview:We are seeking a skilled and detail-oriented UAT Tester to join our team. The ideal candidate will play a critical role in ensuring the quality and functionality of our systems by working closely with business analysts, client representatives, and technical teams. This role focuses on manual testing with a future on test automation. Key Responsibilities:Work closely with various documentation describing functional and non-functional aspects of the systems (e.G., use cases, user stories).Prepare comprehensive test scripts and scenarios for both manual execution and future automation.Collaborate closely with client representatives, business analysts, and other stakeholders to ensure accurate test coverage.Execute prepared tests, report defects, and perform retesting to validate fixes.Contribute to creating and maintaining a traceability matrix to ensure complete test coverage.Participate in test case reviews and incorporate feedback to enhance quality.Stay informed about system updates and contribute to ongoing test planning and strategy.Must-Have Skills:Experience: Minimum of 3 years as a manual tester/test analyst across diverse projects.Documentation: Hands-on experience interpreting and extracting test conditions from requirements documentation (e.G., use cases, user stories).Test Scenarios: Proven ability to create end-to-end test scenarios and a robust traceability matrix.Testing Expertise: Knowledge of conducting test case reviews and test execution.Certification: ISTQB Foundation-level certification or equivalent (not mandatory).Critical Thinking: Strong analytical and critical thinking skills.Communication: Excellent communication skills with experience collaborating with clients, client representatives, and third-party suppliers.Language Skills: English.Ability to work in a multi-cultural team environment.Preferred Skills:Experience working in Agile environments.Knowledge of non-functional testing aspects, such as performance or security testing.Any experience of air traffic management would be a bonusAny development background would be a bonusPossibility to transition into test automation with a relevant background.