Southampton, Hampshire, United Kingdom Hybrid / WFH Options
NICE
the highest standards and execute beyond them. And if you're like us, we can offer you the ultimate career opportunity that will light a fire within you. Lead Performance Test Engineer - Southampton (hybrid). So, what's the role all about? We are looking for a talented Lead Performance Test Engineer to join our team. … will you make an impact? Understanding the functional and non-functional requirements Evaluating the objectives of the service level agreement Designing the test scripts Identifying parameter for testing Executing performance runs Using consistent metrics for monitoring Identifying bottlenecks, and where they occur Interpreting results and graphs Understand describe the relationship between queues and sub-systems. Identify suggestions for performance … Strategies in a global organization and to oversee the testing team activities and initiatives for best practices. Have you got what it takes? At least 10+ years' experience in Performance Testing, software R&D and/or System support/engineering Experience in Performance Testing web applications, services and support architectural assets thru using solutions such as K6 More ❯
pace, and to maintain our cadence we believe in hiring strong technical talent and then supporting that talent to grow with us. Our offices are in Abingdon but this Performance Test Engineer Lead role could be either office based or hybrid with monthly office days . You should live within reasonable commute of Abingdon. The Role Working as … part of our Software Quality team, you will play a key role in strategising, implementing, and optimising performance testing for our systems, ensuring robust, scalable, and high-performing applications. This is a hands-on position requiring both technical expertise and the ability to mentor junior team members while driving improvements in performance testing practices across the business. Key … Tasks and Responsibilities Design and implement detailed performance testing plans, including load, stress, endurance, and scalability testing. Develop and maintain automated performance testing suites using tools like JMeter, Gatling, NeoLoad, LoadRunner or similar. Integrate automated performance tests into CI/CD pipelines using Jenkins, TeamCity, or similar tools. Establish and maintain key performance metrics through baseline More ❯
Southampton, England, United Kingdom Hybrid / WFH Options
Nice Group
Join to apply for the Lead Performance Test Engineer role at Nice Group . At NICE, we challenge our limits and set high standards. We are looking for a talented Lead Performance Test Engineer to join our team in Southampton (hybrid). The role involves analyzing business scenarios, designing test scripts, executing performance runs, and … identifying bottlenecks to improve system performance. Responsibilities include: Analyzing business scenarios and requirements Designing and executing performance tests Monitoring metrics and identifying bottlenecks Preparing test reports and providing performance tuning suggestions Qualifications: 10+ years in Performance Testing, R&D, or System support/engineering Experience with web performance testing tools like K6, LoadRunner, JMeter Strong understanding More ❯
Farnborough, Hampshire, United Kingdom Hybrid / WFH Options
Lenovo
the world's largest PC company with a full-stack portfolio of AI-enabled, AI-ready, and AI-optimized devices (PCs, workstations, smartphones, tablets), infrastructure (server, storage, edge, high performance computing and software defined infrastructure), software, solutions, and services. Lenovo's continued investment in world-changing innovation is building a more equitable, trustworthy, and smarter future for everyone, everywhere. … trustworthy, and smarter future for everyone, everywhere. To find out more visit , and read about the latest news via our StoryHub . Description and Requirements Building on our breakthrough performance in high-performance computing (HPC) and our expanding global HPC customer base, Lenovo is enhancing our global HPC/AI team with specialist performance engineers. We aim … to lead the next generation of air and Neptune liquid-cooled high-performance computational platforms. To achieve this mission, we are looking for a motivated and innovative HPC/AI PerformanceEngineer to join our team. This role involves rigorous testing of our systems at scale to ensure optimal performance helping us to build some of More ❯
us in London to be part of a highly motivated and skilled team that thrives on delivering impact and innovation at speed. The Role We’re searching for a Performance Modeling Engineer to create and own the analytical and simulation models that steer OTPU architecture and software evolution. You will build functional simulators as well as high-fidelity … insights that directly influence our software, hardware, and optical roadmaps. This role sits at the crossroads of hardware architecture, software tooling and machine-learning workload analysis, perfect for an engineer who loves data-driven decision-making and fast iteration. Responsibilities Functional Simulator: Design, build, and maintain a functional simulator of the OPTU subsystem and full pipeline. Performance Simulator … analyses and design recommendations. Tooling & Automation: Develop Python/C++ tooling for trace parsing, statistical analysis and visualisation. Integrate models into CI so that every RTL commit gets a performance smoke test. Skills & Experience 3+ years building performance or power models for CPUs, GPUs, ASICs, or accelerators Strong coding ability in C++ and Python; experience with discrete-event More ❯
us in London to be part of a highly motivated and skilled team that thrives on delivering impact and innovation at speed. The Role We’re searching for a Performance Modeling Engineer to create and own the analytical and simulation models that steer OTPU architecture and software evolution. You will build functional simulators as well as high-fidelity … insights that directly influence our software, hardware, and optical roadmaps. This role sits at the crossroads of hardware architecture, software tooling and machine-learning workload analysis, perfect for an engineer who loves data-driven decision-making and fast iteration. Responsibilities Functional Simulator: Design, build, and maintain a functional simulator of the OPTU subsystem and full pipeline. Performance Simulator … analyses and design recommendations. Tooling & Automation: Develop Python/C++ tooling for trace parsing, statistical analysis and visualisation. Integrate models into CI so that every RTL commit gets a performance smoke test. Skills & Experience 3+ years building performance or power models for CPUs, GPUs, ASICs, or accelerators Strong coding ability in C++ and Python; experience with discrete-event More ❯
london (city of london), south east england, united kingdom
Flux Computing
us in London to be part of a highly motivated and skilled team that thrives on delivering impact and innovation at speed. The Role We’re searching for a Performance Modeling Engineer to create and own the analytical and simulation models that steer OTPU architecture and software evolution. You will build functional simulators as well as high-fidelity … insights that directly influence our software, hardware, and optical roadmaps. This role sits at the crossroads of hardware architecture, software tooling and machine-learning workload analysis, perfect for an engineer who loves data-driven decision-making and fast iteration. Responsibilities Functional Simulator: Design, build, and maintain a functional simulator of the OPTU subsystem and full pipeline. Performance Simulator … analyses and design recommendations. Tooling & Automation: Develop Python/C++ tooling for trace parsing, statistical analysis and visualisation. Integrate models into CI so that every RTL commit gets a performance smoke test. Skills & Experience 3+ years building performance or power models for CPUs, GPUs, ASICs, or accelerators Strong coding ability in C++ and Python; experience with discrete-event More ❯
us in London to be part of a highly motivated and skilled team that thrives on delivering impact and innovation at speed. The Role We’re searching for a Performance Modeling Engineer to create and own the analytical and simulation models that steer OTPU architecture and software evolution. You will build functional simulators as well as high-fidelity … insights that directly influence our software, hardware, and optical roadmaps. This role sits at the crossroads of hardware architecture, software tooling and machine-learning workload analysis, perfect for an engineer who loves data-driven decision-making and fast iteration. Responsibilities Project Ownership: Own and deliver projects on your team's roadmap that unlock key high-impact technical and business … milestones that drive the success of Flux. Collaboration: Work shoulder-to-shoulder with hardware, compiler and ML framework teams to ensure models reflect reality and reality meets performance goals. Functional Simulator: Design, build, and maintain a functional simulator of the OPTU subsystem and full pipeline. Performance Simulator: Design and maintain architectural & cycle-accurate models of the OPTU subsystems More ❯
london (city of london), south east england, united kingdom
Flux Computing
us in London to be part of a highly motivated and skilled team that thrives on delivering impact and innovation at speed. The Role We’re searching for a Performance Modeling Engineer to create and own the analytical and simulation models that steer OTPU architecture and software evolution. You will build functional simulators as well as high-fidelity … insights that directly influence our software, hardware, and optical roadmaps. This role sits at the crossroads of hardware architecture, software tooling and machine-learning workload analysis, perfect for an engineer who loves data-driven decision-making and fast iteration. Responsibilities Project Ownership: Own and deliver projects on your team's roadmap that unlock key high-impact technical and business … milestones that drive the success of Flux. Collaboration: Work shoulder-to-shoulder with hardware, compiler and ML framework teams to ensure models reflect reality and reality meets performance goals. Functional Simulator: Design, build, and maintain a functional simulator of the OPTU subsystem and full pipeline. Performance Simulator: Design and maintain architectural & cycle-accurate models of the OPTU subsystems More ❯
us in London to be part of a highly motivated and skilled team that thrives on delivering impact and innovation at speed. The Role We’re searching for a Performance Modeling Engineer to create and own the analytical and simulation models that steer OTPU architecture and software evolution. You will build functional simulators as well as high-fidelity … insights that directly influence our software, hardware, and optical roadmaps. This role sits at the crossroads of hardware architecture, software tooling and machine-learning workload analysis, perfect for an engineer who loves data-driven decision-making and fast iteration. Responsibilities Project Ownership: Own and deliver projects on your team's roadmap that unlock key high-impact technical and business … milestones that drive the success of Flux. Collaboration: Work shoulder-to-shoulder with hardware, compiler and ML framework teams to ensure models reflect reality and reality meets performance goals. Functional Simulator: Design, build, and maintain a functional simulator of the OPTU subsystem and full pipeline. Performance Simulator: Design and maintain architectural & cycle-accurate models of the OPTU subsystems More ❯
in London to be part of a highly motivated and skilled team that thrives on delivering impact and innovation at speed. The Role We’re searching for a Staff Performance Modeling Engineer to create and own the analytical and simulation models that steer OTPU architecture and software evolution. You will build functional simulators as well as high-fidelity … insights that directly influence our software, hardware, and optical roadmaps. This role sits at the crossroads of hardware architecture, software tooling and machine-learning workload analysis, perfect for an engineer who loves data-driven decision-making and fast iteration. Responsibilities Ownership: Define and deliver the technical vision and roadmap for your team that unlocks key strategic technical and business … to the success of Flux. Collaboration: Partner closely with all engineering teams to help shape our overall system architecture and delivery while ensuring models reflect reality and reality meets performance goals. Champion Modelling: Educate peers on modelling methodology and champion data-driven design culture. Functional Simulator: Design, build, and maintain a functional simulator of the OPTU subsystem and full More ❯
in London to be part of a highly motivated and skilled team that thrives on delivering impact and innovation at speed. The Role We’re searching for a Staff Performance Modeling Engineer to create and own the analytical and simulation models that steer OTPU architecture and software evolution. You will build functional simulators as well as high-fidelity … insights that directly influence our software, hardware, and optical roadmaps. This role sits at the crossroads of hardware architecture, software tooling and machine-learning workload analysis, perfect for an engineer who loves data-driven decision-making and fast iteration. Responsibilities Ownership: Define and deliver the technical vision and roadmap for your team that unlocks key strategic technical and business … to the success of Flux. Collaboration: Partner closely with all engineering teams to help shape our overall system architecture and delivery while ensuring models reflect reality and reality meets performance goals. Champion Modelling: Educate peers on modelling methodology and champion data-driven design culture. Functional Simulator: Design, build, and maintain a functional simulator of the OPTU subsystem and full More ❯
london (city of london), south east england, united kingdom
Flux Computing
in London to be part of a highly motivated and skilled team that thrives on delivering impact and innovation at speed. The Role We’re searching for a Staff Performance Modeling Engineer to create and own the analytical and simulation models that steer OTPU architecture and software evolution. You will build functional simulators as well as high-fidelity … insights that directly influence our software, hardware, and optical roadmaps. This role sits at the crossroads of hardware architecture, software tooling and machine-learning workload analysis, perfect for an engineer who loves data-driven decision-making and fast iteration. Responsibilities Ownership: Define and deliver the technical vision and roadmap for your team that unlocks key strategic technical and business … to the success of Flux. Collaboration: Partner closely with all engineering teams to help shape our overall system architecture and delivery while ensuring models reflect reality and reality meets performance goals. Champion Modelling: Educate peers on modelling methodology and champion data-driven design culture. Functional Simulator: Design, build, and maintain a functional simulator of the OPTU subsystem and full More ❯
in London to be part of a highly motivated and skilled team that thrives on delivering impact and innovation at speed. The Role We’re searching for a Staff Performance Modeling Engineer to create and own the analytical and simulation models that steer OTPU architecture and software evolution. You will build functional simulators as well as high-fidelity … insights that directly influence our software, hardware, and optical roadmaps. This role sits at the crossroads of hardware architecture, software tooling and machine-learning workload analysis, perfect for an engineer who loves data-driven decision-making and fast iteration. Responsibilities Ownership: Define and deliver the technical vision and roadmap for your team that unlocks key strategic technical and business … to the success of Flux. Collaboration: Partner closely with all engineering teams to help shape our overall system architecture and delivery while ensuring models reflect reality and reality meets performance goals. Champion Modelling: Educate peers on modelling methodology and champion data-driven design culture. Functional Simulator: Design, build, and maintain a functional simulator of the OPTU subsystem and full More ❯
We are looking for a dynamic Performance and Simulation Engineer to join our innovative team in Portsmouth. This is your chance to thrive at the crossroads of real-world engineering, simulation, and data science, shaping the future of maritime technology. As a Performance and Simulation Engineer You'll work on the following- Dive Deep into Data … Analyse simulation outputs from performance studies, routing models, and CFD results to drive product insights. Create Impactful Tools: Build Python-based tools for performance modelling, data processing, and visualisation using libraries like Plotly and Matplotlib. Lead Innovations: Develop aerodynamic and hydrodynamic performance models to optimise vessel and wing designs. Present with Precision: Craft technical reports and client … Collaborate Across Teams: Work closely with design, control systems, and commercial teams to spearhead multidisciplinary projects. Drive Cutting-Edge Solutions: Explore the integration of AI and machine learning into performance analysis and optimisation workflows. What You'll Bring: A strong engineering or STEM background with proven expertise in Python and data analysis. Performance and Simulations modelling. Exceptional communication More ❯
Job title: High Performance Computing Engineer Client: Elite Tech Firm - Award winning, tech focused run by passionate Computer Scientists Salary: Up to £180k + Bonus My client are looking for a highly-talented HPC Engineer to work in their High-Performance, Low-Latency Systems Engineering team This is one of the best opportunities for a passionate More ❯
Job title: High Performance Computing Engineer Client: Elite Tech Firm - Award winning, tech focused run by passionate Computer Scientists Salary: Up to £180k + Bonus My client are looking for a highly-talented HPC Engineer to work in their High-Performance, Low-Latency Systems Engineering team This is one of the best opportunities for a passionate More ❯
Job title: High Performance Computing Engineer Client: Elite Tech Firm - Award winning, tech focused run by passionate Computer Scientists Salary: Up to £180k + Bonus My client are looking for a highly-talented HPC Engineer to work in their High-Performance, Low-Latency Systems Engineering team This is one of the best opportunities for a passionate More ❯
london (city of london), south east england, united kingdom
Hunter Bond
Job title: High Performance Computing Engineer Client: Elite Tech Firm - Award winning, tech focused run by passionate Computer Scientists Salary: Up to £180k + Bonus My client are looking for a highly-talented HPC Engineer to work in their High-Performance, Low-Latency Systems Engineering team This is one of the best opportunities for a passionate More ❯
Social network you want to login/join with: Machine Learning PerformanceEngineer, slough col-narrow-left Client: Location: slough, United Kingdom Job Category: Other - EU work permit required: Yes col-narrow-right Job Views: 4 Posted: 31.05.2025 Expiry Date: 15.07.2025 col-wide Job Description: We are recruiting on behalf of an ambitious new startup founded by an … There’s no checklist, but you’ll likely thrive in this role if you have: Technical Experience Strong engineering skills in Python, C++, or Rust Proven experience with GPU performance engineering: CUDA, PTX/SASS, Tensor Cores, memory hierarchy, warp-level primitives Familiarity with ML frameworks like PyTorch, and their internals Proficiency in profiling and debugging tools like NSight … memory bandwidth ceiling or a kernel launch inefficiency?” Your Mindset A hacker’s curiosity: you love breaking things down and figuring out how to make them faster Product intuition: performance isn’t abstract to you, it’s about real-world impact Collaborative spirit: you’re excited to work across research, infra, and open-source teams A bias toward open More ❯
There’s no checklist, but you’ll likely thrive in this role if you have: Technical Experience Strong engineering skills in Python, C++, or Rust Proven experience with GPU performance engineering: CUDA, PTX/SASS, Tensor Cores, memory hierarchy, warp-level primitives Familiarity with ML frameworks like PyTorch, and their internals Proficiency in profiling and debugging tools like NSight … memory bandwidth ceiling or a kernel launch inefficiency?” Your Mindset A hacker’s curiosity: you love breaking things down and figuring out how to make them faster Product intuition: performance isn’t abstract to you, it’s about real-world impact Collaborative spirit: you’re excited to work across research, infra, and open-source teams A bias toward open More ❯
london (city of london), south east england, united kingdom
Adamas Knight
There’s no checklist, but you’ll likely thrive in this role if you have: Technical Experience Strong engineering skills in Python, C++, or Rust Proven experience with GPU performance engineering: CUDA, PTX/SASS, Tensor Cores, memory hierarchy, warp-level primitives Familiarity with ML frameworks like PyTorch, and their internals Proficiency in profiling and debugging tools like NSight … memory bandwidth ceiling or a kernel launch inefficiency?” Your Mindset A hacker’s curiosity: you love breaking things down and figuring out how to make them faster Product intuition: performance isn’t abstract to you, it’s about real-world impact Collaborative spirit: you’re excited to work across research, infra, and open-source teams A bias toward open More ❯
Job Title: Trials Performance Analysis Engineer Location: Portsmouth - We offer a range of hybrid and flexible working arrangements - please speak to your recruiter about the options for this particular role Salary: Up to £50,000 dependent on experience What you’ll be doing: Co-ordinate trials planning activities for complex systems, ensuring that a trial maximises the opportunity … and to liaise with the Customer and their representatives. This may include off-site visits both in the UK and potentially overseas Conduct analysis of trial data and produce performance assessments for the system under test. Conduct trial simulation and performance studies. Apply a breadth of knowledge, skills and experience of Systems Engineering and company approaches, techniques and … governance to Trials and Performance Assessment and resolve engineering issues and problems for a range of products and engineering situations, compiling technical reports and accompanying presentations as required Support System and Sub-System Design Authorities in the identification of problems occurring during trials and to aid the investigation process Assist in the development of analysis tools in support of More ❯