Semiconductor Jobs

Senior System Architect

Fractile is building silicon, systems and software which will redefine the frontier of AI: running the world’s most advanced models at radically higher speed and lower cost. We have an exceptional team across hardware and software capable of bringing about...

Fractile London, United Kingdom

Senior/Principal Physical Design Engineer

This role involves the end-to-end implementation of complex IC physical designs, from synthesis to sign-off. You will work closely with cross-functional teams to optimize performance, power, and area, ensuring design integrity and manufacturability. Key responsibilities include floorplanning, clock tree synthesis, power planning, and physical verification.

Fractile London, United Kingdom

On-site Permanent

Staff Software Engineer (ML QA)

This role involves designing, developing, and maintaining high-quality test infrastructure and automation for a complex machine learning software stack. The focus is on software architecture, CI/CD pipelines, and ensuring the reliability and performance of ML frameworks and AI hardware.

Graphcore London, United Kingdom

On-site Permanent

Senior Cloud Network Engineer

This role involves developing and deploying high-performance cloud services and infrastructure, working closely with software, datacentre operations, and product development teams. Responsibilities include managing ethernet infrastructure, automating data collection, and integrating third-party solutions to optimize AI systems.

Graphcore London, United Kingdom

On-site Permanent

Principal Electronic Design Engineer

This role involves leading the company's electronic engineering efforts, including power supply design, compliance testing, and data acquisition device development for the automotive and construction industries. You will work on custom designs, manage compliance testing, and collaborate with manufacturers on production.

Expert Employment Oxford Circus, London, W1C 1DE, United Kingdom £72,000 – £90,000 pa

Hybrid Permanent

Senior Embedded Performance Engineer

London or Bristol, 3 days in the office, 2 days WFHAt Fractile, we’re building what we believe will be the world’s fastest AI inference chip from the ground up. We’re balanced across hardware and software engineering, and HW/SW co-design is...

Fractile London, United Kingdom

Senior Linux Kernel Driver Engineer

London or Bristol, 3 days in the office, 2 days WFHAt Fractile, we’re building what we believe will be the world’s fastest AI inference chip from the ground up. We're balanced across hardware and software engineering, and HW/SW co-design is...

Fractile London, United Kingdom

Senior Simulation Engineer

Bristol or London, 3 days in the office, 2 days WFHAt Fractile, we’re building what we believe will be the world’s fastest AI inference chip from the ground up. We’re balanced across hardware and software engineering, and HW/SW co-design is...

Fractile London, United Kingdom

Senior Verification Engineer

As a Senior Verification Engineer, you will play a key role in the pre-silicon RTL verification of advanced AI IC products for data centre applications. You will collaborate closely with cross-functional teams to ensure high-quality RTL releases and contribute to the company's ambitious goals of disrupting the hardware development landscape.

Fractile London, United Kingdom

On-site Permanent Clearance Required

Verification Engineer

As a Silicon Verification Engineer, you will work closely with cross-functional teams to ensure the highest standards of functional quality in our ML/AI IC products. Your role involves active participation in verification planning, testbench development, and improving established practices to enhance tape-out quality and reduce costs.

Fractile London, United Kingdom

On-site Permanent

Senior Engineer (ML Engineer)

This role involves testing, validating, and benchmarking a complex ML software stack, focusing on performance, reliability, and correctness. You will work with industry-standard ML frameworks, build automated testing pipelines, and collaborate with software and hardware teams to ensure high-quality AI solutions.

Graphcore London, United Kingdom

On-site Permanent

Senior Systems Engineer – Performance & Reliability

This role involves evaluating the performance and reliability of large-scale Linux systems, from single racks to data-center scale. Responsibilities include designing workloads, building execution systems, and interpreting results to ensure systems meet production standards. The team values engineers who can work across boundaries and make informed decisions based on careful measurement.

Graphcore London, United Kingdom

On-site Permanent

Senior Systems Engineer – Performance & Reliability (Analysis)

This role involves analyzing large-scale system measurements to make informed decisions about system performance and reliability. You will work with real systems, interpret results, and ensure that systems meet production criteria. The team values clear communication, sound engineering judgment, and the ability to work across different areas of the system.

Graphcore London, United Kingdom

On-site Permanent