Salary: £48,000 - 54,000 per year Requirements: Proven experience as an NFR Lead Tester. Strong background in performance testing and performance engineering. Hands-on experience with: - JMeter, LoadRunner - Python, Groovy, custom scripting - Grafana, New Relic, AppDynamics, ELK Ability to analyse performance issues and drive resolution with development teams. Excellent communication and documentation skills. Responsibilities: Lead the performance test team and manage day-to-day test activities. Conduct performance testing questionnaire evaluations. Prepare detailed Performance Test Plans and Performance Closure Reports. Gather and validate Non-Functional Requirements (NFRs). Develop and maintain scripts using Python, Groovy, and custom code where required. Execute performance tests using recognised tools such as JMeter and LoadRunner. Monitor application performance using tools including Grafana, New Relic, AppDynamics, and ELK. Analyse performance test results, identify bottlenecks, and provide actionable recommendations to development teams. Technologies: ELK Grafana Groovy JMeter Python More: We are seeking an experienced Quality Engineer (Performance & Resilience Management) to lead non-functional testing (NFR) activities within a major Energy & Utilities programme. This role involves overseeing performance testing across complex systems, ensuring stability, scalability, and resilience of critical applications. This position is UK remote work with very occasional office travel, and the contract range is £400 to £450 per day inside IR35. last updated 11 week of 2026