Senior/Principal Reliability Engineer

Company: Cambridge GaN Devices Ltd

Location: Cambridge

Posted: January 25th, 2026

Overview

Senior/Principal Reliability Engineer (Power Devices) – Team: R&D Engineering

Location: Cambridge

Contract: Permanent (Full time or part time)

About CGD

Making Sustainable Power Electronics Possible

A spin-out of the Cambridge University, Cambridge GaN Devices (CGD) is a fabless semiconductor company that develops a range of energy-efficient GaN-based power devices to make greener electronics possible.

The global power semiconductor market is expected to exceed $50BN. In addition to the multi-million seed fund and Series A and now B private investments, CGD has secured four projects funded by iUK, BEIS and EU (Penta). The technical and commercial expertise of the CGD team combined with an extensive track record in the power electronics market has been fundamental in early market adoption of our proprietary technology.

Why Work for CGD

We Champion Commitment, Celebrate Empowerment, and Reward the Brave. We are interested in change-makers with a passion for power semiconductors who are willing to explore unconventional ways to meet the company's green agenda.

At CGD, we pride ourselves on putting empowerment and commitment at the core of our company culture. We offer a relaxed yet productive working environment where everybody is valued and respected and becomes part of commercial success while experiencing professional growth.

If your heart beats for innovation, challenge, and growth, and if the prospect of joining a friendly and game-changing company is for you, we want to hear from you.

The Opportunity

CGD is looking for a Senior/Principal Reliability Engineer to join our growing engineering team. The Senior/Principal Reliability Engineer will primarily be responsible for all reliability aspects of CGD’s GaN power devices and ICs. This includes designing the reliability experiments as well as analysis and developing reliability models. The role involves developing new electrical reliability tests, specifically for GaN ICs, and gaining insight into their reliability by collaborating with TCAD and multi-physics simulation engineers. The successful applicant will be able to use and develop new knowledge on power devices, GaN and reliability testing, which is at the forefront of GaN device R&D. Ultimately, the role is responsible for producing confident reliability data and information for CGD and our customers. This role is based at the company's office and lab in Cambridge, UK, with some travel expected. It could be full time or “family-friendly” part time.

Main Responsibilities

Requirements

Essential

Desirable

Benefits

Equal Opportunities

We believe in equal opportunities. It takes a diverse and inclusive community of passionate, talented and committed people to build a system to shape the future of power electronics. We are committed to providing equal opportunities to all current and prospective employees regardless of age, disability, sex, sexual orientation, pregnancy and maternity, race or ethnicity, religion or belief, gender identity, or marriage and civil partnership. We believe that a more inclusive workplace, where people of different backgrounds work together, ensures better outcomes for all employees. From application to interview, we place inclusion at the heart of all we do. We are well set up for collaborative hybrid working, with some team members in the UK office and some from home in the UK and other cities in Europe and Asia.

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