Performance Test Engineer

Performance Test Engineer

Role type: Permanent

Location: Hybrid (50% onsite) – London or Leeds

Team: Digital Assurance & Performance Engineering

Clearance required: SC Cleared

The role

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.

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

Use scripting languages such as Python and JavaScript for test automation and data analysis

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

Strong scripting skills using Python and/or JavaScript for test automation and data analysis

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

Desirable skills

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