Performance Tester

DCV Technologies

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 LoadRunner
  • Execute load, stress, endurance, and volume testing
  • Monitor application performance using tools such as Dynatrace, AppDynamics, 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, LoadRunner, or NeoLoad
  • Understanding of workload modelling and performance engineering concepts
  • Experience in Agile / DevOps 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
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