Performance Test Engineer

Peregrine; Greater London; Hybrid; GBP 55,000 - 90,000; Full time

Job summary

Peregrine is seeking an experienced Performance Test Engineer to lead performance testing across cloud, hybrid and on-premises environments. You will identify bottlenecks, analyse system behaviour and drive performance improvements with modern tooling.

You will work with Grafana, Splunk, New Relic and Dynatrace, building robust test scripts with JMeter, Gatling or LoadRunner while collaborating with developers and architects to ensure scalable, reliable platforms.

Qualifications

• Experience in Performance Testing or Performance Engineering.
• Ability to design, execute and analyse performance, load, stress and volume tests.
• Knowledge of performance testing methodologies and tools such as JMeter, LoadRunner, Eggplant or Gatling.

Responsibilities

• Design, execute and analyse performance, load, stress and volume tests against complex applications and platforms.
• Develop performance testing strategies and define Non-Functional Requirements.
• Identify system bottlenecks and investigate complex performance issues with actionable recommendations.
• Use monitoring and observability tooling (Grafana, Splunk) to understand performance.
• Utilise diagnostics tools (New Relic, Dynatrace) to investigate issues.
• Collaborate with developers and engineers to troubleshoot performance at scale.
• Develop and maintain performance test scripts using tools like JMeter, Gatling, or LoadRunner.
• Conduct performance testing across cloud architectures (Azure, AWS, GCP).
• Support performance engineering in containerised environments (Docker, Kubernetes).
• Integrate performance testing into CI/CD pipelines and drive testing process improvements.
• Communicate findings and risks clearly to technical and non-technical stakeholders.

Skills

Performance Testing

Load Testing

CI/CD

Observability

Stakeholder comms

Cloud Platforms

Automation scripting

Problem Solving

Tools

JMeter

LoadRunner

Gatling

Grafana

Splunk

New Relic

Dynatrace

Docker

Kubernetes

Azure

AWS

GCP

GitHub Actions

Jenkins

Kafka

IBM MQ

Databricks

ELK

Tableau

Job description

Permanent | Hybrid (50% onsite) | London or Leeds | Digital Assurance & Performance Engineering

At Peregrine, we’re always seeking Specialist Talent that have the ideal mix of skills, experience, and attitude, to place with our vast array of clients. From Business Analysts in large government organisations to Software Developers in the private sector – we are always in search of the best talent to place, now.

The role:

We are looking for an experienced Performance Test Engineer to join a major technology transformation environment, working on complex, high-profile platforms where scalability, resilience and reliability are critical.

You’ll play a key role in shaping and delivering performance testing strategies across cloud, hybrid and on-premises environments. Working closely with developers, architects and wider engineering teams, you’ll identify performance bottlenecks, analyse system behaviour and help ensure applications and services can perform effectively under significant load.

This is a hands-on performance engineering role where you’ll have the opportunity to work with modern performance testing, observability, cloud and containerisation technologies while helping to develop and improve the wider performance engineering approach.

Responsibilities:

• Design, execute and analyse performance, load, stress and volume tests against complex applications and platforms.
• Develop performance testing strategies and define Non-Functional Requirements.
• Identify system bottlenecks and investigate complex performance issues, providing clear and actionable recommendations.
• Use monitoring and observability tooling including Grafana and Splunk to understand system performance and behaviour.
• Utilise diagnostic and Application Performance Monitoring tools such as New Relic and Dynatrace to investigate performance issues.
• Work closely with developers, architects and engineering teams to troubleshoot performance and scalability problems.
• Develop and maintain performance test scripts using tools such as JMeter, LoadRunner, Eggplant Performance and Gatling.
• Conduct performance testing across cloud-based architectures including Azure, AWS and GCP.
• Support performance engineering across containerised environments using technologies such as Docker and Kubernetes.
• Integrate performance testing into CI/CD pipelines and drive continuous improvements to testing processes.
• Communicate performance findings, risks and recommendations clearly to technical and non-technical stakeholders.

Skills & Experience:

• Strong experience within Performance Testing or Performance Engineering.
• Ability to design, execute and analyse performance, load, stress and volume tests.
• Strong knowledge of performance testing methodologies and tools such as JMeter, LoadRunner, Eggplant Performance or Gatling.
• Experience with monitoring and observability tools such as Grafana and Splunk.
• Experience with diagnostic platforms such as New Relic and Dynatrace.
• Proven experience performance testing cloud-based architectures across Azure, AWS or GCP.
• Understanding of containerisation technologies including Docker and Kubernetes.
• Knowledge of Performance Test Strategy and defining Non-Functional Requirements.
• Ability to analyse complex performance issues and provide actionable recommendations.
• Strong analytical and problem-solving skills.
• Excellent communication and stakeholder management skills.
• Ability to work collaboratively within a fast-paced technical environment.
• Knowledge of middleware technologies such as Kafka and IBM MQ.
• Experience with Databricks or other big data platforms.
• Experience with the ELK stack and reporting tools such as Tableau.
• Exposure to CI/CD technologies including GitHub Actions and Jenkins.
• Experience using Git or similar version control systems.
• Experience integrating performance testing into CI/CD pipelines.
• Familiarity with security and compliance considerations within performance testing.

About Peregrine

We build workforces that deliver tech and change programmes at leading UK organisations. By combining data science from Peregrine Intelligence, our industry-accredited Peregrine Academy, and market-leading attraction and diversity initiatives, we bridge capability gaps at all levels in public and private sector organisations. We work closely with our clients to understand their challenges and deliver flexible, long-term solutions that make a real difference. When you join Peregrine, you become part of a team that’s focused on growth, both yours, our clients’, and the sectors we support. You’ll also get access to a full range of benefits alongside your salary.

How Specialist Talent Works

As a permanent employee at Peregrine, you’ll be part of our Specialist Talent team. That means you’ll work on-site or remotely with our clients, supporting them on complex, high-impact projects in Data, Digital and Business Transformation. You’ll get the variety and challenge of consultancy work, with the stability and support of a permanent role. You’re not a contractor - you’re a valued member of our team, with access to all the same benefits, learning opportunities, and community.

Our Culture

We’re curious, open, and always learning. We believe in doing great work and doing it with integrity. We support each other, share ideas freely, and celebrate progress big and small. And we care about the impact we make, whether that’s helping clients solve tough problems or creating opportunities for people from all walks of life.

Diversity and Inclusion

We’re proud to be a diverse team, with 20+ nationalities represented across Peregrine. We welcome people from all backgrounds and experiences, and we’re committed to building an inclusive workplace where everyone can thrive. Through our partnerships and internal initiatives, we’re working to improve social mobility, reduce our environmental impact, and help our clients build more inclusive teams too.

Find out more: peregrine.global or check out our LinkedIn page: peregrine-resourcing