Senior Performance Test Engineer (SC Cleared)

London Source: WhatJobs

See advert for pay

Overview

In this role you will lead performance testing for critical applications, applying end-to-end performance engineering across cloud, hybrid, and on‑prem environments. You will collaborate with cross‑functional teams to design and execute load, performance, and stress tests, align with non-functional requirements, and drive efficiency through platform performance initiatives. You will mentor junior team members and progressively integrate tests into CI/CD pipelines, leveraging monitoring and diagnostics tools to identify bottlenecks and improve system scalability. This role offers impactful work on core apps within a security‑conscious, forward‑thinking team. A clear SC clearance is required.

Responsibilities

Lead performance testing for core critical apps
Own Performance Test Engineering across multiple systems
Design and execute performance, load and stress tests using JMeter, Gatling, LoadRunner
Ensure tests align with non-functional requirements
Integrate tests into CI/CD pipelines
Monitor and troubleshoot using Grafana, Splunk, New Relic, Dynatrace
Identify bottlenecks and drive efficiency through platform performance engineering
Mentor and share skills with junior team members

Key requirements

Around three years’ experience leading performance testing with JMeter
Azure / Cloud experience (ADF useful but not essential)
OAT and Functional Test Automation using Selenium, Playwright, Cucumber in Agile
SC clearance (current)
Experience with end-to-end performance testing across architectures
Familiarity with Grafana, Prometheus, Jenkins, CI/CD