Latest Fabless Silicon Jobs

Spotlight

Senior Processor Architect

This role involves defining and driving the architecture of high-performance compute engines for AI acceleration, including ISA design, memory hierarchies, and on-chip interconnects. The architect will work closely with design, verification, and software teams to translate architectural vision into real-world silicon, using performance modelling and data-driven analysis. It's a hands-on position requiring deep expertise in processor design and cross-disciplinary collaboration to deliver cutting-edge AI hardware.

Fractile London, United Kingdom

Spotlight

Semiconductor Test Engineering Team Leader

Lead the development and execution of manufacturing test strategies for an advanced AI accelerator chip, overseeing both internal teams and external partners. Drive test architecture, DFT integration, and silicon bring-up across high-speed interfaces like PCIe Gen6 and LPDDR, with a focus on yield, scalability, and advanced packaging. Work closely with cross-functional teams to ensure robust test coverage and successful high-volume manufacturing transfer.

Fractile Bristol, United Kingdom

On-site Permanent

ASIC Design Engineer

Design and develop complex ASICs across the full silicon development lifecycle, from specification to silicon supply. Work with digital and analogue IC technologies, take ownership of projects, and collaborate within a close-knit engineering team on cutting-edge solutions for advanced technology applications.

ic resources Bristol, Eng, United Kingdom

On-site Permanent

AI System Architect

This role involves defining the end-to-end system architecture for a next-generation optical AI accelerator, starting from AI workload analysis and working backwards to shape hardware and software design. The architect will lead technical decision-making across teams, ensuring the system is optimized for transformer models and large-scale AI workloads, while maintaining alignment between leadership, hardware, and software engineering. The position is central to translating product vision into executable technical strategy in a high-growth deep-tech startup environment.

Lumai Headington, Oxford, United Kingdom

Hybrid Permanent

Senior RF Tester

This role involves leading the measurement, characterisation, and validation of advanced RF semiconductor products, with a focus on ensuring strong correlation between simulation and real-world performance. The engineer will design and maintain test setups, automate testing workflows, and troubleshoot complex RF systems in a lab environment. It is a hands-on technical position central to improving test methodologies and supporting the delivery of high-performance RF modules.

SoCode Impington, Cambridgeshire, United Kingdom £60,000 – £75,000 pa

On-site Permanent

Director of Packaging

Leads the development of advanced semiconductor packaging solutions for GaN power devices, combining technical expertise with strategic leadership. The role involves hands-on design, multiphysics simulation, and cross-functional collaboration to deliver high-performance, energy-efficient packages. Focuses on innovation in thermal, electrical, and mechanical performance while shaping the future technology roadmap.

Cambridge GaN Devices Cambridge, United Kingdom

On-site Permanent

RF Engineer

Design and develop RF front-end circuits and functional blocks for high-performance multi-chip modules. Collaborate with IC, systems, and software teams to integrate advanced RF technologies and optimise module performance. Work in a fast-paced start-up environment to deliver innovative wireless solutions to market.

Forefront RF Cambridge, United Kingdom

On-site Permanent

RF Lead Engineer

Lead the design and development of RF subsystems for semiconductor solutions, focusing on performance, validation, and technical delivery. This role involves hands-on RF circuit design, simulation, and testing of components like LNAs, PAs, and filters, alongside mentoring engineers and leading technical reviews. Work cross-functionally within a multidisciplinary team to translate system requirements into robust, manufacturable RF designs.

Forefront RF Cambridge, United Kingdom

On-site Permanent

Senior Power Device Engineer

The Senior Power Device Engineer will lead multidisciplinary R&D projects focused on developing next-generation GaN-based power devices and integrated circuits. The role involves hands-on technical work from concept through to demonstrators, including simulation, design, and characterization of novel GaN ICs. The engineer will collaborate closely with experts across analog design, packaging, reliability, and operations to advance CGD’s energy-efficient semiconductor technology.

Cambridge GaN Devices Cambridge, United Kingdom

On-site Permanent

Assembly Engineer

The role involves managing semiconductor assembly and packaging processes from prototype to volume production, working closely with design and manufacturing teams. It focuses on improving yield, supporting new product introductions, and ensuring manufacturability and reliability of RF semiconductor devices. The engineer will coordinate with external partners and drive process optimisation across quality and efficiency.

Forefront RF Cambridge, United Kingdom

On-site Permanent

Quality Manager

The Quality Manager will establish and lead the Quality Management System (QMS) at a semiconductor startup transitioning from development to production. This role involves defining quality and reliability processes for new product introduction, managing external manufacturing partners, and ensuring compliance with ISO 9001 and industry standards. The position is central to driving continuous improvement across product lifecycle stages, from qualification to customer deployment.

Forefront RF Cambridge, United Kingdom

On-site

R&D Project Manager

Manages internal product development and publicly funded R&D projects from concept to completion, ensuring delivery on time, within budget, and to quality standards. Coordinates cross-functional teams, leads project documentation and reporting, and supports bid writing for research grants. Plays a key role in shaping and improving project management processes within a growing engineering team.

Cambridge GaN Devices Cambridge, United Kingdom

On-site Permanent

Senior Analog IC Design Engineer (GaN)

Design and develop GaN-based power ICs using EDA tools, including schematic capture, simulation, layout, and verification (DRC, LVS, PEX). Conduct wafer-level and packaged device testing, debug performance issues, and create SPICE models. Contribute to IP generation and support patent applications. Work within a research-driven team focused on energy-efficient semiconductor innovation.

Cambridge GaN Devices Cambridge, United Kingdom

On-site Permanent