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Performance Tester x
Remote / Online - Candidates ideally in
London, Greater London, W1B, England, UK
Listed on 2026-06-08
London, Greater London, W1B, England, UK
Listing for:
CBSbutler Holdings Limited trading as CBSbutler
Full Time, Remote/Work from Home
position Listed on 2026-06-08
Job specializations:
-
IT/Tech
IT QA Tester / Automation, Systems Analyst, Data Analyst
Job Description & How to Apply Below
Performance Test Analyst (x2)
Location:
Remote
Rate: £430 per day Inside IR35
Security Clearance:
Active SC Clearance Required
We are currently seeking two experienced Performance Test Analysts to join a large-scale data transformation programme. This is an excellent opportunity to work on a high-profile project involving cloud technologies, complex data environments, and enterprise-scale applications.
The successful candidates will be responsible for planning, executing, and analysing performance testing activities across critical systems, ensuring applications meet performance, scalability, and reliability requirements.
Key Skills Required
Active SC Clearance (essential)
Strong experience with Informatica
Proven experience working on data-focused projects
Experience working within AWS environments
Experience working within Azure environments
Strong understanding of performance testing methodologies and best practices
Responsibilities
Analyse non-functional requirements, architecture documentation, and deployment designs
Define performance testing scope and strategy
Create and execute performance test scenarios
Develop and maintain performance test scripts
Perform load, stress, soak, endurance, and scalability testing
Monitor application and database performance during testing
Analyse results, identify bottlenecks, and provide recommendations
Raise and manage defects through to resolution
Produce clear test reports and performance assessments
Work closely with technical and business stakeholders to ensure successful delivery
Desirable Experience
Load Runner
Performance Centre
Application and database performance monitoring
Performance bottleneck identification and root cause analysis
Enterprise-scale testing environments
Nice to Have
Gatling, JMeter, or Artillery
Test strategy and planning experience
Test estimation and delivery management
Creation of reusable testing assets and frameworks
Risk and issue management
Experience working within complex transformation programmes
Strong stakeholder engagement and communication skills
What's on Offer?
Fully remote working
Competitive day rate of £430 per day (Inside IR35)
Opportunity to work on a major cloud and data transformation programme
Collaborative and highly skilled delivery environment
Long-term contract potential
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