IT Performance Specialist Job ID: JP054414
ITProposal • Brussels, Brussels • Posted June 23, 2026
Position Overview
IT Performance Specialist
Location: Brussels (Hybrid)
Seniority: Senior / Expert
Mission
We are looking for an experienced IT Performance Specialist to support a major application modernization project and strengthen performance testing practices across the organization. The role combines hands-on performance testing, performance engineering, automation, and coaching of development and QA teams.
Key Responsibilities
Performance Testing
- Define performance testing strategies based on non-functional requirements (NFRs).
- Design, develop, and maintain performance test scripts using Apache JMeter and existing frameworks.
- Execute load, stress, endurance, and scalability testing campaigns.
- Monitor application and infrastructure performance metrics during test execution.
- Analyze results, identify bottlenecks, and provide technical recommend...