
Software Tester
ThoughtLabs Belgium • Brussels, Brussels-Capital, Belgium
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Role & seniority
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Senior/Lead Test Analyst / Test Engineer (long experience required: 10+ years; ISTQB Advanced Level expectations)
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Focus: functional, integration, and system validation testing for embedded apps and monitoring platforms
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Stack/tools
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Test management & reporting: Azure DevOps Test Plans (draft/manage/extract test results)
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Testing certifications: ISTQB Advanced Level (Test Analyst / Technical Test Analyst / Test Manager); Certified Test Automation Engineer (or equivalent)
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Test automation: ISTQB automation certification and practical experience (some to multiple years)
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Top 3 responsibilities
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Define, execute, and document functional, integration, and system validation test scenarios for compliance/robustness/reliability
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Analyze anomalies/defects and qualify fixes/corrective actions before acceptance
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Verify interoperability between software modules and deployed network equipment
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Must-have skills
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Strong expertise in embedded applications + monitoring platform testing
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Defect/anomaly analysis and corrective-action verification
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Test case design and documentation across functional/integration/system validation levels
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Azure DevOps Test Plans usage for managing and extracting results
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ISTQB Advanced Level (Test Analyst/Technical Test Analyst/Test Manager) and ISTQB automation (or higher/equivalent)
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Language: Dutch **C1
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Full Description
📌 Task Description The role involves defining, executing, and documenting functional tests, integration tests, and system validation tests to ensure the compliance, robustness, and reliability of embedded applications and monitoring software platforms.
The tester will also
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Analyze anomalies and defects
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Qualify fixes and corrective actions
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Verify interoperability between software modules and the equipment deployed across the network
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🛠️ Technical Skills
Languages
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Dutch and French – C1 (advanced mastery)
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English – B2 (upper‑intermediate; reading, writing, comprehension)
Certifications
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ISTQB Advanced Level: Test Analyst, Technical Test Analyst, Test Manager
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Practical experience applying these certifications across diverse testing projects (≥ L1: at least some experience)
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Certified Test Automation Engineer (ISTQB) or equivalent/higher certification
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Experience in test automation (≥ L1: at least some experience)
Testing Expertise
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Defining, executing, and documenting functional, integration, and system validation test scenarios
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Ensuring compliance, robustness, and reliability of embedded applications and monitoring platforms
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Extensive experience (≥ L4: at least 10 years)
Tools & Platforms
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Azure DevOps Test Plans: drafting, managing, and extracting test results
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Solid experience (≥ L3: at least 5 years)
Candidate Expectations
- Understanding the Context
- The candidate must demonstrate knowledge of Infrabel, the IT world, and the challenges of the role. They should also understand Infrabel’s mission and key activities.
- Integration into Teams
- The candidate must show they are able to integrate into Infrabel’s teams, particularly by embodying the company’s values: kindness, courage, positivity, and reliability.
- Professional Competencies
The candidate must demonstrate skills inherent to the role within the ICT department, including
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Strong presentation abilities
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Professional attitude
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Integrity and respect toward management
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Clear and effective communication
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Responsible commitment for the duration of the contract