Romford, Essex, United Kingdom Hybrid / WFH Options
Sky
optimise and innovate. We turn big ideas into the products, content and services millions of people love. And we do it all right here at Sky. As a Senior Performance Engineer, you will be working as part of Global Commerce Central test team. You will be responsible for coordinating performancetesting activities, acting as a single point … management skills, including ability to communicate complex concepts to non-technical and technical audiences. Taking ownership of NFR, requirement analysis and finalisation and driving non-functional initiatives like Chaos testing Detailed results analysis including application monitoring, identify Performance bottlenecks and recommend/implement improvements or performance optimisation. Mediate potential conflicts and foster solutions-oriented discussions with stakeholders. … Establish and maintain efficient and scalable performancetesting automation framework. Design, develop and maintain Performance Test scripts. Test execution & co-ordination across multiple external and internal teams for issue resolution. Conduct discovery process to specify scope, extent and type of Performancetesting required. Able to define and troubleshoot Test environments to identify issues across System More ❯
Borehamwood, Hertfordshire, United Kingdom Hybrid / WFH Options
Sky
optimise and innovate. We turn big ideas into the products, content and services millions of people love. And we do it all right here at Sky. As a Senior Performance Engineer, you will be working as part of Global Commerce Central test team. You will be responsible for coordinating performancetesting activities, acting as a single point … management skills, including ability to communicate complex concepts to non-technical and technical audiences. Taking ownership of NFR, requirement analysis and finalisation and driving non-functional initiatives like Chaos testing Detailed results analysis including application monitoring, identify Performance bottlenecks and recommend/implement improvements or performance optimisation. Mediate potential conflicts and foster solutions-oriented discussions with stakeholders. … Establish and maintain efficient and scalable performancetesting automation framework. Design, develop and maintain Performance Test scripts. Test execution & co-ordination across multiple external and internal teams for issue resolution. Conduct discovery process to specify scope, extent and type of Performancetesting required. Able to define and troubleshoot Test environments to identify issues across System More ❯
Plumstead, Norfolk, United Kingdom Hybrid / WFH Options
Sky
optimise and innovate. We turn big ideas into the products, content and services millions of people love. And we do it all right here at Sky. As a Senior Performance Engineer, you will be working as part of Global Commerce Central test team. You will be responsible for coordinating performancetesting activities, acting as a single point … management skills, including ability to communicate complex concepts to non-technical and technical audiences. Taking ownership of NFR, requirement analysis and finalisation and driving non-functional initiatives like Chaos testing Detailed results analysis including application monitoring, identify Performance bottlenecks and recommend/implement improvements or performance optimisation. Mediate potential conflicts and foster solutions-oriented discussions with stakeholders. … Establish and maintain efficient and scalable performancetesting automation framework. Design, develop and maintain Performance Test scripts. Test execution & co-ordination across multiple external and internal teams for issue resolution. Conduct discovery process to specify scope, extent and type of Performancetesting required. Able to define and troubleshoot Test environments to identify issues across System More ❯
Acton, Suffolk, United Kingdom Hybrid / WFH Options
Sky
optimise and innovate. We turn big ideas into the products, content and services millions of people love. And we do it all right here at Sky. As a Senior Performance Engineer, you will be working as part of Global Commerce Central test team. You will be responsible for coordinating performancetesting activities, acting as a single point … management skills, including ability to communicate complex concepts to non-technical and technical audiences. Taking ownership of NFR, requirement analysis and finalisation and driving non-functional initiatives like Chaos testing Detailed results analysis including application monitoring, identify Performance bottlenecks and recommend/implement improvements or performance optimisation. Mediate potential conflicts and foster solutions-oriented discussions with stakeholders. … Establish and maintain efficient and scalable performancetesting automation framework. Design, develop and maintain Performance Test scripts. Test execution & co-ordination across multiple external and internal teams for issue resolution. Conduct discovery process to specify scope, extent and type of Performancetesting required. Able to define and troubleshoot Test environments to identify issues across System More ❯
Peterborough, Cambridgeshire, England, United Kingdom
Sanderson
Performance Tester Permanent | Hybrid | £55,000 - £65,000 + Bonus Peterborough (3 days onsite) Are you passionate about delivering exceptional user experiences and ensuring software performs seamlessly at scale? We're looking for a Performance Tester to join a global technology team, helping to refine and execute performancetesting strategies for enterprise-scale applications. In this … role, you'll work with cutting-edge tools such as LoadRunner, Splunk, and Dynatrace , collaborating with cross-functional teams to ensure systems meet performance, reliability, and scalability targets. Responsibilities: Designing, executing, and analysing performance tests to identify bottlenecks and optimise system performance. Working in an Agile environment-participating in daily scrums, prioritising work, and communicating progress clearly. Collaborating … with development and infrastructure teams to identify and resolve performance issues. Using your analytical mindset to interpret test results, metrics, and logs, and provide actionable insights. Supporting load and usage model creation to simulate real-world scenarios. What You'll Bring 3+ years of hands-on experience in performancetesting or engineering. Proficiency with LoadRunner (VuGen, Controller More ❯
Peterborough, Cambridgeshire, East Anglia, United Kingdom
Sanderson Recruitment
Performance Tester ?? Permanent | Hybrid | £55,000 - £65,000 + Bonus ?? Peterborough (3 days onsite) Are you passionate about delivering exceptional user experiences and ensuring software performs seamlessly at scale? We're looking for a Performance Tester to join a global technology team, helping to refine and execute performancetesting strategies for enterprise-scale applications. In this … role, you'll work with cutting-edge tools such as LoadRunner, Splunk, and Dynatrace , collaborating with cross-functional teams to ensure systems meet performance, reliability, and scalability targets. Responsibilities: Designing, executing, and analysing performance tests to identify bottlenecks and optimise system performance. Working in an Agile environment-participating in daily scrums, prioritising work, and communicating progress clearly. Collaborating … with development and infrastructure teams to identify and resolve performance issues. Using your analytical mindset to interpret test results, metrics, and logs, and provide actionable insights. Supporting load and usage model creation to simulate real-world scenarios. What You'll Bring 3+ years of hands-on experience in performancetesting or engineering. Proficiency with LoadRunner (VuGen, Controller More ❯
clean driving licence and their own car. Travel expenses will be paid. This role may require Security Clearance in the future. Responsibilities: Writing and executing functional, regression, system, and performancetestingTesting of software solutions/applications to ensure that the developed products meet the requirements and are free of defects Reading and understanding requirements documentation Involvement … and coverage Collaborating with software, hardware, and system engineers to identify defects, reproduce issues, and drive resolutions Ensuring test environments, test equipment, and infrastructure are maintained and available for testing Mentoring junior test engineers and contribute to the growth of the test team Requirements Bachelor's or Master's degree in computer science, Electronics, Telecommunications, or a related field … years UK residency is required for security check ISTQB certification (preferred but not mandatory) A high level of communication skills and technical understanding Solid experience in manual and automation testing, preferably in embedded systems, telecommunications, or mission-critical applications Experience with manual testing methodologies for embedded software and hardware products Familiarity with TETRA and LTE technologies is highly More ❯
Cambridge, Landbeach, Cambridgeshire, United Kingdom
Polytec Personnel Ltd
clean driving licence and their own car. Travel expenses will be paid. This role may require Security Clearance in the future. Responsibilities: * Writing and executing functional, regression, system, and performancetesting * Testing of software solutions/applications to ensure that the developed products meet the requirements and are free of defects * Reading and understanding requirements documentation * Involvement … and coverage * Collaborating with software, hardware, and system engineers to identify defects, reproduce issues, and drive resolutions * Ensuring test environments, test equipment, and infrastructure are maintained and available for testing * Mentoring junior test engineers and contribute to the growth of the test team Requirements * Bachelor's or Master's degree in computer science, Electronics, Telecommunications, or a related field … years UK residency is required for security check * ISTQB certification (preferred but not mandatory) * A high level of communication skills and technical understanding * Solid experience in manual and automation testing, preferably in embedded systems, telecommunications, or mission-critical applications * Experience with manual testing methodologies for embedded software and hardware products * Familiarity with TETRA and LTE technologies is highly More ❯
to our commitment to creating products that are not just intuitive but downright obvious. At the heart of this commitment is the Roku OS QA Team, dedicated to rigorously testing every product and feature to ensure we deliver the most reliable streaming media platform in the industry. Our mission is simple: help people effortlessly find and stream the content … Ability to design, implement, and optimize solutions leveraging LLMs via API Experience using various LLMs (Open AI, Anthropic APIs) and AI Frameworks like langchain, Tensorflow etc. Hands-on experience testing AI-powered features (e.g., recommendation systems, computer vision models, chatbots). 2+ years of experience developing test plans and test cases Bachelor's degree in Computer Science or related … cloud providers Ability to learn new technologies quickly Mentoring less experienced Engineers and driving automation development A self-directed professional able to work independently Previous experience with Non-Functional Testing (PerformanceTesting, Stress Testing) Experience with infrastructure as code and orchestration technologies (Terraform, Kubernetes, CloudFormation) Certifications or training in AI/ML or AI testingMore ❯
Head of Performance & Reliability EngineeringFull-Time - Hybrid (3 days in Cambridgeshire) Up to £95,000 + Bonus This is an exceptional opportunity to join a major organisation at a pivotal stage in their digital transformation. As Head of Performance & Reliability Engineering You'll shape strategy, lead performancetesting and chaos engineering initiatives, and embed reliability best … practices across engineering, DevOps, and infrastructure teams. This is a senior, strategic leadership role focused on system excellence, observability, and continuous improvement. Ideal Candidate: Proven experience leading Performance Engineering, Reliability, or SRE functions Deep expertise in performancetesting methodologies (load, stress, spike, soak) Strong hands-on background with LoadRunner and Dynatrace (plus tools such as NeoLoad, k6 … or JMeter) Skilled in chaos engineering , resilience testing , and system scalability Experience defining and managing SLOs, SLIs, and error budgets Strong knowledge of distributed systems , cloud platforms (AWS, Azure, or GCP), and microservice architectures Proven ability to influence senior stakeholders and embed performance and reliability into the SDLC Inspirational leader with experience building, mentoring, and enabling high-performing More ❯
Employment Type: Full-Time
Salary: £84,000 - £95,000 per annum, Negotiable, Inc benefits
Head of Performance & Reliability Engineering Full-Time - Hybrid (3 days in Cambridgeshire) Up to £95,000 + Bonus This is an exceptional opportunity to join a major organisation at a pivotal stage in their digital transformation. As Head of Performance & Reliability Engineering You'll shape strategy, lead performancetesting and chaos engineering initiatives, and embed reliability … best practices across engineering, DevOps, and infrastructure teams. This is a senior, strategic leadership role focused on system excellence, observability, and continuous improvement. Ideal Candidate: Proven experience leading Performance Engineering, Reliability, or SRE functions Deep expertise in performancetesting methodologies (load, stress, spike, soak) Strong hands-on background with LoadRunner and Dynatrace (plus tools such as NeoLoad … k6, or JMeter) Skilled in chaos engineering , resilience testing , and system scalability Experience defining and managing SLOs, SLIs, and error budgets Strong knowledge of distributed systems , cloud platforms (AWS, Azure, or GCP), and microservice architectures Proven ability to influence senior stakeholders and embed performance and reliability into the SDLC Inspirational leader with experience building, mentoring, and enabling high More ❯
Head of Performance & Reliability Engineering Full-Time – Hybrid (3 days in Cambridgeshire) Up to £95,000 + Bonus This is an exceptional opportunity to join a major organisation at a pivotal stage in their digital transformation. As Head of Performance & Reliability Engineering You’ll shape strategy, lead performancetesting and chaos engineering initiatives, and embed reliability … best practices across engineering, DevOps, and infrastructure teams. This is a senior, strategic leadership role focused on system excellence, observability, and continuous improvement. Ideal Candidate: Proven experience leading Performance Engineering, Reliability, or SRE functions Deep expertise in performancetesting methodologies (load, stress, spike, soak) Strong hands-on background with LoadRunner and Dynatrace (plus tools such as NeoLoad … k6, or JMeter) Skilled in chaos engineering , resilience testing , and system scalability Experience defining and managing SLOs, SLIs, and error budgets Strong knowledge of distributed systems , cloud platforms (AWS, Azure, or GCP), and microservice architectures Proven ability to influence senior stakeholders and embed performance and reliability into the SDLC Inspirational leader with experience building, mentoring, and enabling high More ❯
Head of Performance & Reliability Engineering Full-Time – Hybrid (3 days in Cambridgeshire) Up to £95,000 + Bonus This is an exceptional opportunity to join a major organisation at a pivotal stage in their digital transformation. As Head of Performance & Reliability Engineering You’ll shape strategy, lead performancetesting and chaos engineering initiatives, and embed reliability … best practices across engineering, DevOps, and infrastructure teams. This is a senior, strategic leadership role focused on system excellence, observability, and continuous improvement. Ideal Candidate: Proven experience leading Performance Engineering, Reliability, or SRE functions Deep expertise in performancetesting methodologies (load, stress, spike, soak) Strong hands-on background with LoadRunner and Dynatrace (plus tools such as NeoLoad … k6, or JMeter) Skilled in chaos engineering , resilience testing , and system scalability Experience defining and managing SLOs, SLIs, and error budgets Strong knowledge of distributed systems , cloud platforms (AWS, Azure, or GCP), and microservice architectures Proven ability to influence senior stakeholders and embed performance and reliability into the SDLC Inspirational leader with experience building, mentoring, and enabling high More ❯
Head of Performance & Reliability Engineering Full-Time – Hybrid (3 days in Cambridgeshire) Up to £95,000 + Bonus This is an exceptional opportunity to join a major organisation at a pivotal stage in their digital transformation. As Head of Performance & Reliability Engineering You’ll shape strategy, lead performancetesting and chaos engineering initiatives, and embed reliability … best practices across engineering, DevOps, and infrastructure teams. This is a senior, strategic leadership role focused on system excellence, observability, and continuous improvement. Ideal Candidate: Proven experience leading Performance Engineering, Reliability, or SRE functions Deep expertise in performancetesting methodologies (load, stress, spike, soak) Strong hands-on background with LoadRunner and Dynatrace (plus tools such as NeoLoad … k6, or JMeter) Skilled in chaos engineering , resilience testing , and system scalability Experience defining and managing SLOs, SLIs, and error budgets Strong knowledge of distributed systems , cloud platforms (AWS, Azure, or GCP), and microservice architectures Proven ability to influence senior stakeholders and embed performance and reliability into the SDLC Inspirational leader with experience building, mentoring, and enabling high More ❯
Cambridge, Cambridgeshire, United Kingdom Hybrid / WFH Options
Arm Limited
We are looking for an experienced engineer who is passionate about developing compilers and managed runtimes and loves open-source software. In this role you will be working on performance analysis and optimisation across a range of runtimes. You'll be part of the bigger CE-SW Runtimes team, whose goal is to improve modern languages support on the … the organisation and with open source communities to tackle challenges in enabling the future of computing. Responsibilities Identify and implement changes to compilers and managed runtimes to improve the performance of selected workloads and better support Arm architectural features and CPU designs. Implement new runtime or compiler features and fine-tune existing ones. (e.g. garbage collectors, interpreters, optimisation passes … projects and engage with open-source community. Collaborate with colleagues across Arm to improve the support for the Arm Architecture and CPUs. Help develop the project automated functionality and performancetesting frameworks. Required skills and experience Strong programming skills in C/C++. Familiar with performance analysis tools and system level performance tuning. Be flexible, with More ❯
Stevenage, Hertfordshire, South East, United Kingdom Hybrid / WFH Options
MBDA
Basic Personnel Security Standard checks (BPSS), which are managed by the MBDA Personnel Security Team. What we can offer you : Company bonus : Up to £2,500 (based on company performance and will vary year to year) Pension : maximum total (employer and employee) contribution of up to 14% Overtime : opportunity for paid overtime Flexi Leave: Up to 15 additional days … for flexible working arrangements Enhanced parental leave : offers up to 26 weeks for maternity, adoption and shared parental leave. Enhancements are available for paternity leave, neonatal leave and fertility testing and treatments. Facilities : Fantastic site facilities including subsidised meals, free car parking and much more. The opportunity : Your role will be to define and specify test approaches; identifying any … support the design, integration and validation of test system hardware solutions. Knowledge of test needs and techniques in support of product life cycle development. Experience of Design Proving and performancetesting during development. Experience of Environmental and EMC testing during qualification. Strong document writing skills associated with Test Equipment hardware design needs. Experience of managing packages of More ❯