Test Analyst | Manual testing | API Testing | Postman | Brussels
ilias-solutions.jobs.personio.com
Diegem
Posted Sep 15, 2026
- Full-time
- Testing
Job description
Opportunity
Ensure the quality and reliability of our Defense Platform which offers a complete in-service support lifecycle for materials, consumables, and repairable items within defense organizations.
You focus on validating Enterprise Suite functionalities, testing APIs, and ensuring that systems behave as expected in environments where quality and reliability matter.
Meaningful Work in a Mission Driven Environment
Your work supports applications used in operational environments. You ensure that functionality, integrations, and business processes are reliable, consistent, and ready to support users and operational activities.
The Impact You Help Create
You improve application quality, reduce risk, and ensure that business-critical systems perform reliably. Your work supports consistent and trustworthy outcomes.
Your Mission
What you will do:
Design, execute, and maintain detailed test plans and test cases covering functional and non-functional testing
Perform API testing
Perform integration, regression, and end-to-end testing activities
Identify, document, and track defects
Support test documentation and reporting
Work with development teams to resolve issues and improve quality
Contribute to structured testing processes and continuous improvement
Support automated testing activities
What You Bring
Experience in manual and functional testing
Strong experience with API testing
Proven experience using Postman
Understanding of testing methodologies (ISTQB foundation level or similar knowledge)
Experience with test and defect management tools such as Jira, Spira, Xray, or similar
Knowledge of test automation tools such as Playwright or equivalent
Analytical mindset and attention to detail
Strong communication skills in English
Ability to work independently and within a team
Systems Thinking and Analytical Strength
You understand how business processes, application functionality, APIs, and system behavior connect. You analyze outcomes and ensure that applications perform consistently across scenarios.
Working Across Teams and Functions
You work with developers, analysts, and others stakeholders. You support collaboration and ensure that quality is maintained across the development process.
Build Your Future with ILIAS
Grow Through Capability and Innovation
You develop your expertise in (non)functional testing, API testing, and test automation while working on the Enterprise Solution applications.
Grow in a Mission Driven Environment
At ILIAS Solutions, you contribute to applications that support operational systems and business-critical processes.
Build Capability Over Time
At ILIAS, learning is embedded in the way we work.
You develop through hands-on testing, collaboration with teams, and exposure to complex applications.
As capability grows, so does your impact.
Contribute to What Comes Next
You support continuous improvement of application quality and contribute to reliable and scalable systems.
Contact
Ready to ensure quality in enterprise applications and APIs?
Apply directly or contact