Does Graphcore Limited sponsor visas?

Lead the team that proves our AI silicon performs reliably before it reaches customers. You will build and lead Graphcore's characterisation capability for next generation silicon and system platforms. Your work will help ensure our products perform consistently across real world conditions. You will define bring up and characterisation strategies, lead technical execution, and shape the lab infrastructure needed for success. You'll work across silicon, hardware, manufacturing, architecture and product teams to solve complex engineering challenges. This is a hands on leadership role with the opportunity to influence both product design and how Graphcore validates future AI systems. The team and culture This is a newly formed team within Manufacturing Operations. You'll have the opportunity to establish how the team works while building strong partnerships across engineering and operations. Day to day, you'll work closely with architecture, silicon, hardware, production test and product teams. Decisions are driven by data, technical evidence and close collaboration across disciplines. We value ownership and clear communication. You'll be trusted to lead technical direction, remove blockers and help teams make progress with confidence. What we're looking for Essential  Proven track record of delivering complex technical projects as an individual contributor, manager, or project manager, with the ability to work independently and drive execution. Strong expertise in silicon digital device design, bring-up, characterisation, and silicon process technologies, with an understanding of their impact on transistor- and system-level performance. In-depth knowledge of high-performance processors, system-on-chip (SoC) architectures, and high-speed digital interfaces such as PCIe, Ethernet, and DDR. Experience with measurement automation, data analysis, and scripting/coding to develop automated test and analysis workflows, with familiarity of ATE systems and their capabilities. Excellent communication, presentation, and stakeholder management skills, supported by a bachelor's degree (or equivalent practical experience). Desirable Knowledge of PCBA and system level technologies.   Project management experience.    Benefits Unlimited annual leave Up to 5% matched pension Phantom equity – share in Graphcore's success True flexibility in how and where you work Office spaces designed for collaboration Free food and an on-site barista Health cash plan Income protection Life assurance Along with other benefits you can choose from (private medical insurance, dental plan etc) We welcome people from all backgrounds and experiences and are committed to building an inclusive environment where everyone can do their best work. We're an equal opportunity employer and recognise that everyone brings different strengths and perspectives. If you need any adjustments during the interview process, just let us know. We're happy to support you. Join the team at Graphcore Graphcore is building the compute platform for the next generation of artificial intelligence. From advanced silicon to intelligent software, our technology is designed to unlock breakthroughs in AI and bring its benefits to every industry. As part of the SoftBank Group, we're backed by one of the world's most ambitious technology investors, working alongside companies shaping the future of AI. Together, we share a bold goal: to help enable artificial superintelligence and ensure it delivers meaningful impact at a global scale. At Graphcore, you'll work with people who are pushing the boundaries of what's possible. Our teams bring together AI researchers, chip designers, software engineers and systems experts from a wide range of backgrounds. It's an environment where we take on big challenges with curiosity and focus, move quickly and decisively, take real ownership of our work, and speak up to challenge ideas, stepping up to support each other and lead through action. If you want to lead the team that validates the technology powering the next generation of AI systems, we'd love to hear from you. Apply now to join Graphcore.

Help shape the first moments of life for the next generation of AI processors. You'll lead the bring-up and characterisation of Graphcore's silicon devices and system platforms. Your work will ensure products perform reliably before they reach customers. You'll build and lead a team that develops characterisation plans, automates testing, and analyses results across silicon and system platforms. You'll work closely with architecture, silicon, hardware, operations and product teams to solve complex technical challenges. This is a hands-on technical leadership role with the opportunity to influence product design, shape new capabilities, and build a team from the ground up. The team and culture You'll join a newly formed team within Manufacturing Operations and help define how bring-up and characterisation is delivered at Graphcore. Your decisions will shape the team's direction as it grows. The team works closely with colleagues across Bristol, Cambridge and Taiwan. Success comes from solving problems together, sharing data, and making informed engineering decisions. You'll be trusted to take ownership, remove blockers, and improve how work is done. We value people who speak up, challenge assumptions, and turn ideas into practical solutions. What we're looking for Essential  Proven track record of delivering technical outcomes as an individual contributor, manager, or project manager, with strong communication and stakeholder management skills. Solid experience in silicon digital device design, bring-up, and characterisation, with a good understanding of silicon process technology and its impact on transistor- and system-level performance. Strong knowledge of high-performance processors, system-on-chip (SoC) architectures, and high-speed digital interfaces such as PCIe, Ethernet, and DDR. Experience with measurement automation, data analysis, and developing code or scripts to support automated testing and analysis workflows. Bachelor's degree (or equivalent practical experience), with a background understanding of ATE systems and their role in silicon characterisation. Desirable Knowledge of PCBA and system level technologies.   Project management experience.    Benefits Unlimited annual leave Up to 5% matched pension Phantom equity – share in Graphcore's success True flexibility in how and where you work Office spaces designed for collaboration Free food and an on-site barista Health cash plan Income protection Life assurance Along with other benefits you can choose from (private medical insurance, dental plan etc) Inclusion statement We welcome people from all backgrounds and experiences and are committed to building an inclusive environment where everyone can do their best work. We're an equal opportunity employer and recognise that everyone brings different strengths and perspectives. If you need any adjustments during the interview process, just let us know. We're happy to support you. Join the Team at Graphcore Graphcore is building the compute platform for the next generation of artificial intelligence. From advanced silicon to intelligent software, our technology is designed to unlock breakthroughs in AI and bring its benefits to every industry. As part of the SoftBank Group, we're backed by one of the world's most ambitious technology investors, working alongside companies shaping the future of AI. Together, we share a bold goal: to help enable artificial superintelligence and ensure it delivers meaningful impact at a global scale. At Graphcore, you'll work with people who are pushing the boundaries of what's possible. Our teams bring together AI researchers, chip designers, software engineers and systems experts from a wide range of backgrounds. It's an environment where we take on big challenges with curiosity and focus, move quickly and decisively, take real ownership of our work, and speak up to challenge ideas, stepping up to support each other and lead through action. If you want to build the systems that validate the next generation of AI hardware and lead a team making a measurable impact, we'd love to hear from you. Apply now to join Graphcore.

Design the high-speed signal paths that let advanced AI compute systems perform at datacentre scale. As a Signal Integrity Engineer, you will shape the electrical performance of Graphcore hardware platforms. Your work will help 112Gbps and 224Gbps SERDES, DDR and processor interfaces operate within demanding system budgets. You will develop, extract and simulate PCB structures across production systems and test boards. You will define launches, via structures, transmission lines, stack-ups and low-loss materials for future designs. This role spans simulation, lab validation and practical design influence. You will work from concept through prototype bring-up, debug, validation and support for manufacture. The team and culture You will join the Hardware Engineering team, working closely with PCB, package substrate, system architecture and supplier teams. Work moves through simulation, design review, lab evidence and practical trade-offs. You will be expected to own signal integrity decisions across complex board and package interfaces. The team values careful analysis, pace and clear communication when problems need action. Decisions are made close to the engineering detail. You will challenge designs, guide constraints and help teams reach the best performance possible. What we’re looking for · Strong experience in high-speed digital circuit development, with deep signal and power integrity knowledge · Experience with high-frequency SERDES design and validation, including tens of GHz operation · Expertise using tools such as ANSYS SIWave, HFSS, Mentor HyperLynx or similar · Ability to design BGA and connector launches, via structures and transmission lines for GHz signals · Hands-on lab experience using VNAs, high-speed oscilloscopes and signal generators · Rigorous approach to design, debug and validation, with strong ownership and communication skills While we have outlined a set of requirements, we value transferable skills and diverse experiences. If you meet most of our essential criteria, we encourage you to submit an application and showcase how your background makes you a strong candidate. Benefits · Flexible working: Balance your work and personal life with greater flexibility · Generous leave: Take time to rest, recharge and enjoy life outside of work · Retirement planning support: Up to 5% matched pension · Phantom equity: Share in Graphcore’s success · Workplace experience: Enjoy thoughtfully designed office spaces for collaboration, with free food and an on-site barista to support your day · Peace of mind protection: Income protection and life assurance to provide financial security for you and your loved ones · Flexible benefits: Tailor your benefits package with a choice of additional options, including private medical insurance and dental cover · Optional benefits: Dental cover, health cash plan, private medical insurance, cycle to work scheme, give as you earn We welcome people from all backgrounds and experiences and are committed to building an inclusive environment where everyone can do their best work. We’re an equal opportunity employer and recognise that everyone brings different strengths and perspectives. If you need any adjustments during the interview process, just let us know - we’re happy to support you. Join the Team at Graphcore Graphcore is one of the world’s leading innovators in Artificial Intelligence compute. It is developing hardware, software and systems infrastructure that will unlock the next generation of AI breakthroughs and power the widespread adoption of AI solutions across every industry. As part of the SoftBank Group, Graphcore is a member of an elite family of companies responsible for some of the world’s most transformative technologies. Together, they share a bold vision: to enable Artificial Super Intelligence and ensure its benefits are accessible to everyone. Graphcore’s teams are drawn from diverse backgrounds and bring a broad range of skills and perspectives. A melting pot of AI research specialists, silicon designers, software engineers and systems architects, Graphcore brings together deep expertise to solve complex problems and deliver meaningful progress in AI compute. If you want to shape the high-speed interfaces behind next-generation AI compute, we’d love to hear from you. Apply now to join Graphcore.

Build the test systems that prove advanced AI hardware is ready before it reaches production. As a Test Development Engineer, you will create and maintain test systems for Graphcore’s electronic hardware platforms. Your work will support preproduction test solutions across system and board-level products. You will define test methods, specify equipment and automate systems for complex hardware. This includes high-speed serial links, high-current power supplies, slower protocols and low-level PCBA debug. This role sits close to real engineering problems. You will build deep product knowledge, improve test coverage and help transfer robust solutions into production. The team and culture You will join the Hardware Test team, embedded within Graphcore’s wider Hardware Engineering group. The team works closely with SI, mechanical, layout, package, silicon, firmware and production teams. Work moves through practical test design, lab debug, automation and clear data. You will be trusted to take ownership and develop solutions that meet real hardware needs. The team values proactive communication across Graphcore and third-party support teams. Decisions are shaped by evidence, standards knowledge and the quality of the test data. What we’re looking for · Experience developing and automating test systems for complex electronic systems · Knowledge of Ethernet and/or PCIe testing, including high-speed hardware debug · Fluency in test scripting languages, including Python and LabView · Ability to plan test work, improve coverage and communicate progress clearly · Hands-on experience with lab equipment such as oscilloscopes, BERTs and VNAs · Strong ownership, teamwork and communication skills across technical teams While we have outlined a set of requirements, we value transferable skills and diverse experiences. If you meet most of our essential criteria, we encourage you to submit an application and showcase how your background makes you a strong candidate. Benefits · Flexible working: Balance your work and personal life with greater flexibility · Generous leave: Take time to rest, recharge and enjoy life outside of work · Retirement planning support: Up to 5% matched pension · Phantom equity: Share in Graphcore’s success · Workplace experience: Enjoy thoughtfully designed office spaces for collaboration, with free food and an on-site barista to support your day · Peace of mind protection: Income protection and life assurance to provide financial security for you and your loved ones · Flexible benefits: Tailor your benefits package with a choice of additional options, including private medical insurance and dental cover · Optional benefits: Dental cover, health cash plan, private medical insurance, cycle to work scheme, give as you earn We welcome people from all backgrounds and experiences and are committed to building an inclusive environment where everyone can do their best work. We’re an equal opportunity employer and recognise that everyone brings different strengths and perspectives. If you need any adjustments during the interview process, just let us know - we’re happy to support you. Sponsorship Applicants must have the legal right to work in the UK. Unfortunately, we are unable to provide visa sponsorship or support visa applications for this role. Join the Team at Graphcore Graphcore is one of the world’s leading innovators in Artificial Intelligence compute. It is developing hardware, software and systems infrastructure that will unlock the next generation of AI breakthroughs and power the widespread adoption of AI solutions across every industry. As part of the SoftBank Group, Graphcore is a member of an elite family of companies responsible for some of the world’s most transformative technologies. Together, they share a bold vision: to enable Artificial Super Intelligence and ensure its benefits are accessible to everyone. Graphcore’s teams are drawn from diverse backgrounds and bring a broad range of skills and perspectives. A melting pot of AI research specialists, silicon designers, software engineers and systems architects, Graphcore brings together deep expertise to solve complex problems and deliver meaningful progress in AI compute. If you want to build the test foundations behind next-generation AI hardware, we’d love to hear from you. Apply now to join Graphcore.

Build the compute kernels that make next-generation AI hardware perform at its limit. As a Senior Software Engineer, you will create high-performance AI compute libraries for Graphcore’s next-generation hardware. Your work will sit close to the hardware, where every design choice matters. You will own kernels for linear algebra and tensor operations, including GEMM, convolutions, reductions and fused operations. You will improve performance, correctness and numerical reliability across critical AI workloads. This role is for engineers who enjoy hard performance problems and care deeply about quality. You will help shape software that enables customers to get more from AI hardware. The team and culture You will join the ML Kernels and Runtime team, an expanding group focused on high-performance compute libraries. The team works close to the hardware and close to the product. Work happens through clear ownership, practical decision-making and fast technical feedback. Engineers profile, test, debug and improve the product with accountability for real outcomes. You will be expected to speak up, share knowledge and help others raise the bar. Mentoring, technical judgement and all-round leadership matter here Responsibilities and Duties  Design and implement kernels for linear algebra and tensor ops (GEMM, batched GEMM, convolutions, reductions, elementwise and fused operations) in C++  Own performance and correctness - add microbenchmarks, regression tests, numerics validation  Profile and optimise across for next generation of AI hardware - threading, cache locality, memory layout, and kernel launch efficiency.  Debug issues, resolve bugs and generally improve the quality and functionality of the product  Actively engage in and support Agile ways of working within the team  Mentor colleagues within the team, sharing knowledge and providing guidance where appropriate  Candidate Profile     Essential  Excellent programming and scripting skills using C++ and Python  Understanding of processor architectures and profiling on Linux  Possess excellent written and oral communication skills, good work ethics, high sense of team-work  Love to produce quality work and be a team player  Desirable  Strong command of algorithmic performance - vectorisation, memory hierarchy, threading, lock-free patterns  Hands-on with at least one BLAS/DNN stack and able to read/extend kernels  Comfort with CPU micro-optimisations and numerical stability/trade-offs across FP32/FP16/BF16/FP8  Experience integrating native code into PyTorch or similar (custom ops, extensions, dispatch keys)  ABI/API stability and packaging for Linux system (manylinux, wheels)  Benefits · Unlimited annual leave · Up to 5% matched pension · Phantom equity – share in Graphcore’s success · True flexibility in how and where you work · Office spaces designed for collaboration · Free food and an on-site barista · Health cash plan · Income protection · Life assurance · Along with other benefits you can choose from (private medical insurance, dental plan etc) We welcome people from all backgrounds and experiences and are committed to building an inclusive environment where everyone can do their best work. We’re an equal opportunity employer and recognise that everyone brings different strengths and perspectives. If you need any adjustments during the interview process, just let us know - we’re happy to support you. Join the team at Graphcore Graphcore is one of the world’s leading innovators in Artificial Intelligence compute. It is developing hardware, software and systems infrastructure that will unlock the next generation of AI breakthroughs and power the widespread adoption of AI solutions across every industry. As part of the SoftBank Group, Graphcore is a member of an elite family of companies responsible for some of the world’s most transformative technologies. Together, they share a bold vision: to enable Artificial Super Intelligence and ensure its benefits are accessible to everyone. Graphcore’s teams are drawn from diverse backgrounds and bring a broad range of skills and perspectives. A melting pot of AI research specialists, silicon designers, software engineers and systems architects, Graphcore brings together deep expertise to solve complex problems and deliver meaningful progress in AI compute. If you want to shape the compute libraries behind next-generation AI hardware, we’d love to hear from you. Apply now to help build what comes next.

Own verification that turns complex silicon architecture into reliable AI compute hardware. As a Silicon Verification Engineer, you will help ensure Graphcore RTL matches the architecture specification. Your work will protect silicon quality before designs move into physical implementation. You will sit where architecture, logical design and verification meet. You will directly influence how issues are found, understood and resolved before they become costly. You will plan verification, define coverage, generate tests and diagnose failures. You will also improve shared infrastructure that helps engineers move faster and identify problems earlier. The work is technically deep, with clear impact on our silicon. You will help build the discipline, pace and quality needed for ambitious AI compute programs at scale. The team and culture The verification team works closely with Architecture, Logical Design and Physical Design. Clear plans, coverage goals, test results and direct technical feedback shape the work. You will take ownership, follow evidence and keep communication open across sites. The team values people who speak up early and make complex problems easier to solve. Decisions are driven by technical reasoning, shared data and practical trade-offs. You will have room to lead through your expertise, not just your title. What we're looking for Verification experience in CPU, ASIC or closely related silicon environments Experience with UVM, SVA, assembly, compilers, Git or DRMS tools Ability to plan verification work and drive functional coverage to closure Strong debugging skills across RTL, software and shared verification infrastructure Confident in SystemVerilog and Python While we have outlined a set of requirements, we value transferable skills and diverse experiences. We also welcome engineers returning to the profession after a career break, including through returnship routes. Benefits · Flexible working: Balance your work and personal life with greater flexibility · Generous leave: Take time to rest, recharge and enjoy life outside of work  · Retirement planning support: Up to 5% matched pension · Phantom equity: Share in Graphcore’s success · Workplace experience: Enjoy thoughtfully designed office spaces for collaboration, with free food and an on-site barista to support your day · Peace of mind protection: Income protection and life assurance to provide financial security for you and your loved ones · Electric Vehicle Scheme: Choose an electric vehicle and lease it through salary sacrifice · Flexible benefits: Tailor your benefits package with a choice of additional options, including private medical insurance and dental cover · Optional benefits: Dental cover, health cash plan, private medical insurance, cycle to work scheme, give as you earn We welcome people from all backgrounds and experiences and are committed to building an inclusive environment where everyone can do their best work. We’re an equal opportunity employer and recognise that everyone brings different strengths and perspectives. If you need any adjustments during the interview process, just let us know - we’re happy to support you. Join the Team at Graphcore Graphcore is one of the world’s leading innovators in Artificial Intelligence compute. It is developing hardware, software and systems infrastructure that will unlock the next generation of AI breakthroughs and power the widespread adoption of AI solutions across every industry. As part of the SoftBank Group, Graphcore is a member of an elite family of companies responsible for some of the world’s most transformative technologies. Together, they share a bold vision: to enable Artificial Super Intelligence and ensure its benefits are accessible to everyone. Graphcore’s teams are drawn from diverse backgrounds and bring a broad range of skills and perspectives. A melting pot of AI research specialists, silicon designers, software engineers and systems architects, Graphcore brings together deep expertise to solve complex problems and deliver meaningful progress in AI compute. Ready to own verification work that directly shapes Graphcore silicon? Apply now to help build the future of AI compute.

Lead the projects that turn advanced hardware designs into products ready for manufacturing. As a Project Manager, you will drive hardware manufacturing projects from planning through production release. You will help teams deliver complex programmes with clarity and confidence. Your work will keep engineering, operations and manufacturing partners aligned. You will manage priorities, track progress and remove delivery risks before they become blockers. You will work across hardware, software, systems and operations teams. If you enjoy solving complex delivery challenges and making technical programmes successful, this role offers real impact. The team and culture You will join the Manufacturing Technology team within Manufacturing Operations. The team works across Bristol, Cambridge, India, Taiwan and the US to develop and maintain manufacturing processes. Day to day, you will work closely with engineers, development managers, programme managers and external manufacturing partners. Success comes from clear communication, strong planning and shared ownership of delivery. The team values practical problem solving and informed decision making. People are trusted to take responsibility and keep projects moving. What we're looking for Essential:  Degree level education or equivalent relevant industry experience 5+ years of relevant experience, including 3+ years in a technical project management role within multi-functional teams. Strong project management skills with ability to draw on experience of different methodologies (eg waterfall, scrum, agile etc) to identify the most appropriate method for the project. Working knowledge of project/programme management tools such as Jira, Confluence, MS Project etc. Experience working in global environments with international partners. Strong organisational and planning skills, with the ability to manage dependencies and competing priorities. Self-motivated, collaborative, and effective in fast-moving environments. Excellent communication and stakeholder management skills across technical and non-technical audiences. Desirable:  Knowledge and experience of PCBA manufacturing and test processes. Experience in working with leading edge suppliers in PCBA and system level manufacturing supply chain.  Benefits Unlimited annual leave Up to 5% matched pension Phantom equity – share in Graphcore’s success Office spaces designed for collaboration Free food and an on-site barista Health cash plan Income protection Life assurance Along with other benefits you can choose from (private medical insurance, dental plan etc) We welcome people from all backgrounds and experiences and are committed to building an inclusive environment where everyone can do their best work. We’re an equal opportunity employer and recognise that everyone brings different strengths and perspectives. If you need any adjustments during the interview process, just let us know. We’re happy to support you. Join the Team at Graphcore Graphcore is building the compute platform for the next generation of artificial intelligence. From advanced silicon to intelligent software, our technology is designed to unlock breakthroughs in AI and bring its benefits to every industry. As part of the SoftBank Group, we’re backed by one of the world’s most ambitious technology investors, working alongside companies shaping the future of AI. Together, we share a bold goal: to help enable artificial superintelligence and ensure it delivers meaningful impact at a global scale. At Graphcore, you’ll work with people who are pushing the boundaries of what’s possible. Our teams bring together AI researchers, chip designers, software engineers and systems experts from a wide range of backgrounds. It’s an environment where we take on big challenges with curiosity and focus, move quickly and decisively, take real ownership of our work, and speak up to challenge ideas while supporting each other through action. If you want to help deliver the technology that powers the next generation of AI, we'd love to hear from you. Apply now to join Graphcore.