SC Cleared Performance Test Engineer

Quality Ai; Greater London; Hybrid; GBP 60,000 - 85,000; Full time

Benefits offered by this job

Flexible hybrid work

Career development opportunities

London and Leeds offices

Job summary

QualityAI is seeking a SC Cleared Performance Test Engineer to drive performance assurance across cloud, hybrid, and on‑prem environments. You will design and execute performance, load, stress, and volume tests, identify bottlenecks, and work closely with development teams to ensure scalable, resilient, high‑performing applications.

Join a hybrid London/Leeds role with a focus on CI/CD integration, monitoring with Grafana/New Relic, and collaboration with architects to optimize performance and

Qualifications

• Experience with performance testing tools such as JMeter, LoadRunner, Gatling, or Eggplant Performance.
• Testing cloud-based applications on Azure, AWS, or GCP.
• Strong knowledge of performance testing methodologies and non-functional requirements (NFRs).
• Hands-on with Docker and Kubernetes.
• Strong scripting skills in Python or JavaScript.

Responsibilities

• Design and execute performance testing strategies and test plans.
• Perform load, stress, endurance, and volume testing.
• Analyze test results and provide performance improvement recommendations.
• Monitor applications using Grafana, Splunk, New Relic, and Dynatrace.
• Integrate performance testing into CI/CD pipelines.
• Collaborate with developers and architects to resolve performance issues.

Skills

Performance testing methodologies

Scripting in Python/JavaScript

Stakeholder management

Analytical problem solving

Tools

JMeter

LoadRunner

Gatling

Eggplant Performance

Azure

AWS

GCP

Docker

Kubernetes

Job description

SC Cleared Performance Test Engineer

Date: 23 Oct 2026 Company: QualityAI Country/Region: GB

Location: London or Leeds, UK (Hybrid)
Type: Permanent

Role Overview

We are looking for a Performance Test Engineer to drive performance assurance across cloud, hybrid, and on-premise environments. You will design and execute performance, load, stress, and volume tests, identify bottlenecks, and work closely with development and architecture teams to ensure scalable, resilient, and high-performing applications.

Key Responsibilities

• Design and execute performance testing strategies and test plans.


• Perform load, stress, endurance, and volume testing.


• Analyze test results and provide performance improvement recommendations.


• Monitor applications using Grafana, Splunk, New Relic, and Dynatrace.


• Integrate performance testing into CI/CD pipelines.


• Collaborate with developers and architects to resolve performance issues.

Required Skills & Experience

• Proven experience with performance testing tools such as JMeter, LoadRunner, Gatling, or Eggplant Performance.


• Experience testing cloud-based applications (Azure, AWS, or GCP).


• Strong understanding of Performance Testing methodologies and NFRs.


• Hands-on experience with Docker and Kubernetes.


• Strong scripting skills in Python or JavaScript.


• Excellent analytical, problem-solving, and stakeholder management skills.

Desirable Skills

• Kafka, IBM MQ, ELK Stack, Tableau.


• GitHub Actions, Jenkins, and Git.


• Experience embedding performance testing within CI/CD pipelines.


• Knowledge of security and compliance considerations in testing.

Why Join?

Flexible and hybrid working environment.

• Opportunity to work on large-scale digital transformation initiatives.


• Collaborative culture with strong career development opportunities.


• Available from both London and Leeds locations.