Lead Performance Tester ( SC Cleared/ SC Eligible )
Scrumconnect Consulting • City of London, England, United Kingdom
Salary: £400 - £450 / day
Role & seniority: Senior Performance Tester (Active SC Cleared), Contract role
Stack/tools: AWS cloud; performance testing: JMeter, Gatling, LoadRunner, k6 (or equivalent); APIs/HTTP, databases, messaging, caching; log/monitoring analysis; CI/CD integration
Top 3 responsibilities
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Design and execute load, stress, volume, soak, and scalability tests for large-scale services
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Analyze results, logs, and metrics to identify bottlenecks; validate NFRs, volumetrics, and capacity assumptions
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Prepare/maintain test scripts and runbooks; raise defects with evidence; collaborate with developers, architects, and operations; support CI/CD where required
Must-have skills
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Extensive performance testing of enterprise-scale systems
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Hands-on delivery with JMeter, Gatling, LoadRunner, or k6
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Strong understanding of APIs, HTTP, databases, messaging, caching
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Experience with logs/monitoring data analysis; Regulated/high-assurance environments
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Agile/hybrid delivery experience; Active SC clearance
Nice-to-haves
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Experience in AWS-hosted, cloud-native environments
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Public sector/government project experience
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Familiarity with non-production environments and test reporting
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Location & work type: London, Greater London, EC1A, United Kingdom; Contract role, outside IR35; £400-£450/day (as per posted range)
Full Description
Job Information
Date Opened
13/02/2026
Job Type
Contract
Work Experience
5+ years
Industry
Public Sector and Government
Salary
400-450 outside IR35
City
London
Province
Greater London
Country
United Kingdom
Postal Code
EC1A
About Scrumconnect Consulting
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 Senior Performance 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
Essential Skills & Experience
Strong experience in performance testing of enterprise-scale systems
Hands-on delivery experience using tools such as
- JMeter
- Gatling
- LoadRunner
- 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.
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