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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Senior Test Specialist-ATR000299 - **Company:** ITProposal - **Location:** Brussel, Belgium - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** Vbscript, Agile Testing, Automation of Tests, Batch Processing, Software Bug Management, Code Coverage, DevOps, Scrum Methodology, Regression Testing, Standard Sql, Security Software, SoapUI, SQL Databases, Extensible Markup Language (XML), Freeform SQL, Enterprise Software Applications, Test Scripts, Integration Tests - **Published:** August 21, 2026 - **Apply:** https://www.adzuna.be/details/5850701343 ## About the Role * Minimum 7 years of experience as a Functional Tester. * Minimum 5 years of experience as a Test Specialist. * Proven experience writing test scenarios. * Strong knowledge of formal test methods and techniques. * Proven experience with Waterfall testing methodology. * Proven experience in Agile/Scrum testing or relevant Agile testing training. * Strong experience with: + DevOps + VBScript + SOAP UI + XML + SQL * Proven ability to write and execute simple and complex SQL queries. * Experience reading and understanding Technical Design Documents, including if/then/else logic. * Proven experience within the Belgian energy sector. * ISTQB Foundation certification or higher. * English proficiency at minimum CEFR C1, with the ability to communicate fluently in English. * Dutch or French proficiency at minimum CEFR C1. * Strong analytical and problem-solving skills. * Proactive, critical and quality-oriented mindset. * Ability to work collaboratively within a multidisciplinary testing team. * Experience with test automation. * Additional experience with Agile testing methodologies. * Experience supporting integration testing and complex enterprise applications. * Experience providing knowledge transfer or mentoring to other testers. The successful candidate should be: * Proactive and eager to learn new business and application domains. * Comfortable working independently while actively supporting team members. * Critical in assessing product quality and test coverage. * Collaborative in working with analysts, technical teams and vendors. * Flexible in working across both Waterfall and Agile/Scrum approaches. * Focused on continuous improvement of testing processes and quality. The role requires a minimum of 2 working days per week on-site in Brussels. Additional on-site attendance may be required for project needs, meetings, onboarding, knowledge transfer, security requirements or other operational reasons. Occasional travel to other offices or third-party locations may also be required. The candidate is expected to provide their own laptop equipped with up-to-date security software. Functional Testing | SAT Testing | Test Scenarios | Test Cases | Regression Testing | Sanity Testing | Defect Management | Waterfall | Agile/Scrum | SOAP UI | XML | SQL | DevOps | VBScript | Technical Design Documents | Test Automation | ISTQB | Belgian Energy Sector ## Description We are looking for a Senior Test Specialist to join a testing team responsible for planning and executing System Acceptance Testing (SAT), supporting functional testing, defect analysis, and test activities across multiple business and application domains. The role requires a strong technical and functional testing background, with the ability to work effectively in both Waterfall and Agile/Scrum environments. The successful candidate will collaborate closely with functional analysts, test coordinators, technical teams, and vendors. * Plan, prepare and execute sanity, regression and functional tests. * Write detailed and effective test scenarios and test cases. * Execute existing test scripts and support semi-automated regression testing. * Perform functional testing across application and integration changes. * Analyse, document and follow up on defects according to priority. * Perform first-line defect analysis for major releases. * Execute SQL queries for test preparation, validation and investigation. * Test integrations using SOAP UI, XML and related interfaces. * Review and understand Technical Design Documents, including if/then/else logic. * Support testing across message exchange, batch processing and infrastructure-related changes. * Provide input to improve test techniques, test coverage and execution approaches. * Challenge product quality and identify potential issues, particularly around integrations. * Participate in Agile/Scrum testing activities where applicable. * Support knowledge transfer and onboarding within the testing team. * Organise and participate in alignment meetings and daily stand-ups. * Collaborate closely with analysts, test coordinators, test managers and vendors. * Execute ad-hoc testing requests when required. ## Related Videos - [From DevOps to Scaled DevOps: How We’re Rebuilding Continuous Delivery as a Platform](https://www.wearedevelopers.com/videos/100018-from-devops-to-scaled-devops-how-we-re-rebuilding-continuous-delivery-as-a-platform) - [SMART Test Automation - the experience of legacy transformation](https://www.wearedevelopers.com/videos/100215-smart-test-automation-the-experience-of-legacy-transformation) - [DevOps Maturity Check – a way to balance autonomy and alignment](https://www.wearedevelopers.com/videos/58-devops-maturity-check-a-way-to-balance-autonomy-and-alignment) - [The 2025 State of JavaScript Testing](https://www.wearedevelopers.com/videos/1678-the-2025-state-of-javascript-testing) - [How to add test automation to your project: The good, the bad, and the ugly](https://www.wearedevelopers.com/videos/1668-how-to-add-test-automation-to-your-project-the-good-the-bad-and-the-ugly) - [#90DaysOfDevOps - The DevOps Learning Journey](https://www.wearedevelopers.com/videos/548-90daysofdevops-the-devops-learning-journey) ## Related Articles - [The 8 Best Code Testing Tools](https://www.wearedevelopers.com/magazine/402-the-8-best-code-testing-tools) - [Best Companies in the Netherlands: Top 25 Companies in 2023 ](https://www.wearedevelopers.com/magazine/193-best-companies-in-the-netherlands-top-25-companies-in-2023) - [How to land a developer job in Amsterdam](https://www.wearedevelopers.com/magazine/36-how-to-land-a-developer-job-in-amsterdam) - [The 12 Best Jobs for Software Engineers](https://www.wearedevelopers.com/magazine/401-the-12-best-jobs-for-software-engineers) - [Where To Find Software Engineering Jobs](https://www.wearedevelopers.com/magazine/396-where-to-find-software-engineering-jobs) - [The Netherlands – Europe’s powerhouse for software development?](https://www.wearedevelopers.com/magazine/31-the-netherlands-europe-s-powerhouse-for-software-development)