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Performance Tester

Job in Reading, Berkshire, RG1, England, UK
Listing for: DCV Technologies
Full Time position
Listed on 2026-08-06
Job specializations:
  • IT/Tech
    IT QA Tester / Automation, Systems Engineer
Salary/Wage Range or Industry Benchmark: 500 GBP Daily GBP 500.00 DAY
Job Description & How to Apply Below
Our client, working with a British multinational energy company who are a constituent of the FTSE 100 Index are seeking an experienced Performance Tester to support the Keystone transformation program, focusing on non-functional validation of billing systems, integrations, and dual run operations.

The role involves validating system scalability, response time, throughput, and stability under real-world and peak load conditions to ensure business-critical billing processes operate without performance degradation.

Your responsibilities:

* Analyse performance testing requirements including user load, throughput, transaction volumes, and usage patterns

* Prepare Performance Test Strategy and Test Plan aligned to program milestones

* Design and develop performance test scripts using JMeter and/or Load Runner

* Execute load, stress, endurance, and volume testing

* Monitor application performance using tools such as Dynatrace, App Dynamics, or Azure Monitor

* Analyse results and identify bottlenecks and system limitations

* Prepare performance reports and tuning recommendations

* Manage performance defects through to resolution

* Support dual run validation ensuring stable billing operations

* Validate high-volume transactions across multiple integrated systems.

Your Profile

Essential skills/knowledge/experience:

* 5–10 years of experience in Performance Testing / Non-functional Testing

* Strong experience with JMeter, Load Runner, or Neo Load

* Understanding of workload modelling and performance engineering concepts

* Experience in Agile / Dev Ops environments

* Experience in utilities or billing systems is highly desirable

Key Deliverables

* Performance Test Strategy and Plan

* Test Scripts and Workload Models

* Execution Reports and Dashboards

* Bottleneck Analysis and RCA

* Performance Test Summary and Sign-off Report

Desirable skills/knowledge/experience:

* Strong analytical and problem-solving skills

* Excellent communication and stakeholder management

* Ability to work in multi-vendor environments

* Proactive risk identification and mitigation
Additional Information / Benefits
Inside IR35
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