Senior Performance Test Engineer (SC Cleared)

SC-Cleared Senior Performance Test Engineer | London | Hybrid | Inside IR35

My client is seeking an SC-cleared Senior Performance Test Engineer to join a forward-thinking team. You will bring proven experience in the following areas:

• Around three years’ experience leading performance testing with JMeter
• Azure / Cloud (ADF would be useful but not essential)
• OAT and Functional Test Automation – tools such as Selenium, Playright, Cucumber in an Agile environment
• Own the Performance Test Engineering for a number of core critical apps
• Performance Tested end to end architecture using Gatling, Jenkins, CI/CD, Grafana, Prometheus
• Performance analysis to identify bottlenecks
• Develope non-functional requirements (NFRs)
• Drive efficiency through platform performance engineering
• Showcase skills to junior team members

You will design and execute performance, load and stress tests using JMeter, LoadRunner or Gatling, ensuring that testing aligns with the performance strategy and agreed non-functional requirements.

Working closely with technical teams to troubleshoot issues, monitor systems with Grafana and Splunk, and use diagnostics tools such as New Relic and Dynatrace. Later, you’ll integrate tests into CI/CD pipelines and drive improvements to ensure robust, scalable systems across cloud, hybrid, and on-premises environments.

If you have current SC clearance and the relevant performance testing experience, please apply to to discuss the role.