SC Cleared Tester (Performance)

Salary: £117,000 - 123,500 per year

Requirements:

• Ability to design, execute, and analyse performance, load, stress, and volume tests.
• Familiarity with monitoring and observability tools (Grafana, Splunk) and diagnostics platforms (New Relic, Dynatrace).
• Understanding of containerisation technologies (Docker, Kubernetes) and big data platforms (Databricks).
• Ability to analyse complex performance issues and provide actionable recommendations.
• Strong scripting skills (e.g., Python, JavaScript) for test automation and data analysis.
• Knowledge of performance test strategy and defining non-functional requirements.
• Proven experience in performance testing of cloud-based architectures (Azure, AWS, GCP).
• Strong knowledge of performance testing methodologies and tools (such as JMeter, LoadRunner, Eggplant Performance, Gatling).
• Knowledge of middleware systems (Kafka, IBM MQ).
• Experience with ELK stack and reporting tools (e.g., Tableau).
• Exposure to CI/CD tools (Github Actions, Jenkins) and version control systems (Git).
• Familiarity with security and compliance considerations in performance testing.
• Experience integrating performance testing into CI/CD pipelines.

Responsibilities:

• Design and run performance, load, and stress tests using tools like JMeter, LoadRunner, or Gatling.
• Ensure tests meet strategy and non-functional requirements.
• Collaborate with technical teams to troubleshoot issues.
• Monitor systems with Grafana and Splunk.
• Use diagnostics tools such as New Relic and Dynatrace.
• Integrate tests into CI/CD pipelines.
• Drive improvements to ensure robust, scalable systems across cloud, hybrid, and on-premises environments.
• Enhance and shape scalability and reliability in cloud and container-based environments.
• Leverage observability tools and diagnostics to optimise application performance.

Technologies:

• AWS
• Azure
• Big Data
• CI/CD
• Cloud
• Databricks
• Docker
• Dynatrace
• ELK
• GCP
• Git
• GitHub
• Grafana
• IBM
• JavaScript
• Jenkins
• JMeter
• Kafka
• Kubernetes
• Python
• Security
• Splunk
• Tableau

More:

We are hiring an SC Cleared Performance Tester for an inside IR35 role in Leeds with hybrid working. In this role, we focus on enhancing and shaping the scalability and reliability of our systems across cloud, hybrid, and on-premises environments. You will work with cloud and container-based technologies, observability tools, and diagnostics to optimise application performance. We also offer the opportunity to work with technical teams on robust performance testing strategies and CI/CD integration.

last updated 38 week of 2026