Performance Test Lead

Performance Testing Opportunities (Lead & Engineer) - Transformation Programme Location: Reading (2 days onsite per week) We are supporting a major transformation programme and are looking for experienced Performance Testing professionals at both Lead and Engineer levels to drive non-functional testing across critical billing systems and integrations. These roles are key to ensuring scalability, stability, and performance assurance during dual-run operations and peak demand cycles. The Roles Performance Test Lead You will own and drive the end-to-end performance engineering strategy, leading testing across complex, business-critical systems. This includes defining SLAs/NFRs, managing stakeholders, mentoring teams, and ensuring readiness for go-live through robust performance validation and sign-off. Performance Tester / Engineer You will play a hands-on role in designing, executing, and analysing performance tests, ensuring systems perform under real-world and peak loads. This includes scripting, execution, monitoring, analysis, and supporting defect resolution across integrated systems. Key Responsibilities (across both roles)

• Define and execute performance testing strategies and plans
• Design and run load, stress, endurance, and volume tests
• Conduct workload modelling and realistic scenario creation
• Monitor systems using Dynatrace, AppDynamics, or similar tools
• Analyse results, identify bottlenecks, and provide optimisation recommendations
• Support dual-run validation and high-volume transaction processing
• Collaborate with architects, developers, and business stakeholders
• Ensure performance testing is embedded within Agile/DevOps delivery pipelines
Key Skills & Experience
• Proven experience in Performance Testing / Engineering (5-12+ years depending on level)
• Strong hands-on expertise with JMeter, LoadRunner, or NeoLoad
• Experience with performance monitoring tools (Dynatrace, AppDynamics, etc.)
• Solid understanding of performance engineering principles and workload modelling
• Experience working in Agile / DevOps environments
• Exposure to utilities, billing, or high-volume transactional systems (highly desirable)
• Strong communication and stakeholder engagement skills
Why Apply?
• Work on a large-scale transformation programme with real business impact
• Opportunity for both hands-on technical delivery and leadership ownership
• Immediate start with strong contract potential
If you're a Performance Test Lead or Engineer looking for your next contract, please apply promptly to be considered.


• Proven experience in Performance Testing / Engineering (5-12+ years depending on level)
• Strong hands-on expertise with JMeter, LoadRunner, or NeoLoad
• Experience with performance monitoring tools (Dynatrace, AppDynamics, etc.)
• Solid understanding of performance engineering principles and workload modelling
• Experience working in Agile / DevOps environments
• Exposure to utilities, billing, or high-volume transactional systems (highly desirable)
• Strong communication and stakeholder engagement skills