Lead Performance Tester ( SC Cleared/ SC Eligible )

Scrumconnect Limited; Greater London; On-site; GBP 75,000 - 110,000; Full time

Job summary

Scrumconnect Consulting is seeking a Lead Performance Tester (SC Cleared/ SC Eligible) to deliver hands-on load and performance testing across large-scale digital services and backend applications in London, United Kingdom. This is a technically delivery-focused role in governed environments where performance, resilience, and scalability are critical to service success.

The successful candidate will work with cloud-based distributed services in AWS-hosted environments, designing and executing

Qualifications

• Experience delivering load and performance tests for large-scale digital services.
• Experience with AWS-hosted environments and cloud-based distributed systems.
• Familiarity with Agile or hybrid delivery models in regulated environments.

Responsibilities

• Design and execute load, stress, volume, soak, and scalability tests.
• Analyse performance results, logs, and system metrics to identify bottlenecks.
• Gather and validate performance NFRs, volumetrics, and capacity assumptions.
• Prepare and maintain performance test scripts and execution runbooks.
• Execute performance tests in cloud-hosted (AWS) non-production environments.
• Raise performance defects with clear technical evidence.
• Support CI/CD integration for performance testing where required.
• Contribute to test reports, defect triage, and test completion evidence.
• Collaborate closely with developers, architects, platform, and operations teams.

Skills

Load testing

Performance testing

AWS cloud

CI/CD

Test automation

Tools

JMeter

Gatling

k6

Job description

Lead Performance Tester ( SC Cleared/ SC Eligible )

London, United Kingdom | Posted on 01/09/2026

Scrumconnect Consulting is a multi-award-winning digital consultancy, recognised for delivering impactful technology solutions across UK government departments. Our work has positively influenced the lives of over 40 million UK citizens.

We are driven by user-centred design, agile delivery, and a commitment to building innovative digital services that truly matter.

Role Overview

We are seeking a highly skilled LeadPerformance Tester (Active SC Cleared) to deliver hands-on load and performance testing across large-scale digital services and backend applications.

This is a technical, delivery-focused role operating in structured and governed environments where performance, resilience, and scalability are critical to service success. The successful candidate will have experience working with cloud-based distributed services and performance testing within AWS-hosted environments.

Key Responsibilities

• Design and execute load, stress, volume, soak, and scalability tests
• Analyse performance results, logs, and system metrics to identify bottlenecks
• Gather and validate performance Non-Functional Requirements (NFRs), volumetrics, and capacity assumptions
• Prepare and maintain performance test scripts and execution runbooks
• Execute performance tests in cloud-hosted (AWS) non-production environments
• Raise performance defects with clear technical evidence
• Support CI/CD integration for performance testing where required
• Contribute to test reports, defect triage, and test completion evidence
• Collaborate closely with developers, architects, platform, and operations teams
• Strong experience in performance testing of enterprise-scale systems

Hands-on delivery experience using tools such as:

• JMeter
• Gatling
• k6 (or equivalent)

• Solid understanding of:

• APIs and HTTP protocols
• Databases
• Messaging systems
• Caching mechanisms
• Backend and distributed system performance characteristics
• Experience analysing logs and monitoring data

Familiarity with Agile and hybrid delivery models

Experience working in regulated or high-assurance environments

Our Commitment to Diversity & Inclusion

At Scrumconnect Consulting, we believe that diversity drives innovation. We are committed to creating an inclusive environment where everyone is respected, valued, and supported. We actively encourage applications from women, people with disabilities, individuals from under-represented communities, and those seeking flexible working arrangements. As a Disability Confident Level 1 employer, we provide reasonable adjustments throughout the recruitment process and employment to ensure equal opportunity for all.