Senior Test Specialist

Il y a 5 jours

Brussels Metropolitan Area, BRU, Belgique Asenium Consulting Temps plein
Senior Test Specialist – Freelance Brussels, Belgium | Hybrid | 2 days on-site per week Full-time | 2-year assignment | Start date: 9 November 2026 Asenium is looking for a Freelance Senior Test Specialist to join a dedicated testing team working on a strategic project within the Belgian energy sector. You will work closely with the Team Lead and four Medior Test Specialists, taking ownership of complex functional testing activities and contributing to the quality and reliability of business-critical applications.

Key responsibilities

- Analyse functional requirements and technical design documentation.
- Define test scenarios, test cases and test data.
- Execute functional, sanity and regression testing.
- Validate data, services and integrations using SQL, SOAP UI and XML.
- Record, investigate and track defects through to resolution.
- Perform first-level defect analysis during major releases.
- Maintain traceability between requirements, test cases and results.
- Prepare clear reports covering progress, coverage, defects and risks.
- Support the Team Lead with test planning and technical coordination.
- Provide guidance and support to Medior Test Specialists.
- Collaborate with business analysts, technical teams and external suppliers.
- Contribute functional input to the preparation of automation scripts.
- Promote knowledge sharing and continuous improvement. Required profile
- Strong senior-level experience in functional testing.
- Proven ability to design and execute complex test scenarios.
- Sound knowledge of formal testing methods and techniques.
- Experience in Agile/Scrum and Waterfall environments.
- Practical experience writing and executing SQL queries.
- Experience with SOAP UI and XML.
- Ability to understand technical design documentation.
- Strong defect management and analytical skills.
- Experience working in complex, multi-application environments.
- Excellent communication and stakeholder-management skills.
- English at C1 level or above.
- French or Dutch at C1 level or above.
- Availability to work full-time and attend the Brussels office at least 2 days per week. Preferred qualifications
- Experience in the Belgian energy sector.
- Knowledge of structure, measure, cross-domain, billing, infeed or settlement processes.
- ISTQB Foundation Level certification or higher.
- Experience with SAT testing.
- Knowledge of DevOps, VBScript or test automation.
- Previous experience supporting or mentoring testing professionals. Assignment details
- Contract:
Freelance through Asenium
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Location:
Brussels, Belgium
- Working model: Hybrid, with 2 days per week on-site
- Workload: Full-time
- Start date: 9 November 2026
- Duration: 2 years
- Daily rate: To be agreed in euros based on experience Interested? Please apply with your updated CV, availability, expected daily rate, language proficiency and relevant certifications.