Product Safety Engineer

About Graphcore At Graphcore, we’re building the future of AI compute.We’re a team of semiconductor, software and AI experts, with deep experience in creating the complete AI compute stack - from silicon and software to infrastructure at datacenter scale.As part of the SoftBank Group, backed by significant long-term investment, we are delivering key technology into the fast-growing SoftBank AI ecosystem.To meet the vast and exciting AI opportunity, Graphcore is expanding its teams around the world.We are bringing together the brightest minds to solve the toughest problems, in a place where everyone has the opportunity to make an impact on the company, our products and the future of artificial intelligence. Job Summary We are seeking a Product Safety Engineer to support safety design, validation, and certification of high-performance server platforms, including systems operating with high-voltage DC power and advanced liquid-cooling architectures. This role involves close collaboration with electrical, mechanical, thermal, and manufacturing teams to ensure products meet applicable safety standards and are prepared for global certification. Required skills: Contribute to safety architecture and compliance for server systems, including HVDC power shelves, PDUs, and liquid-cooling subsystems Apply IEC 62368-1 requirements in design reviews, including creepage and clearance, insulation coordination, grounding, and protective measures Review schematics, PCB layouts, and mechanical designs to identify potential electrical, thermal, and fire hazards Support hazard-based safety engineering (HBSE) assessments, including evaluation of single-fault conditions and abnormal operation scenarios Plan and execute safety validation testing, such as dielectric strength (HiPot), insulation resistance, fault condition testing, thermal evaluation, and fire enclosure assessment Work with EMC teams to ensure appropriate grounding, shielding, and filtering strategies are considered in safety design Support certification activities with external agencies (e.g. CB Scheme, NRTL bodies), including preparation of technical documentation and test reports Contribute to safety strategies for HVDC systems (typically 400–1000V DC), including insulation systems, interlocks, and service safety considerations Evaluate safety aspects of liquid-cooling systems, including leakage risk, dielectric properties of fluids, condensation, and system monitoring Maintain structured, audit-ready documentation to support compliance and manufacturing readiness Desired: Degree in Electrical, Electronic, Mechanical Engineering, or a related discipline Experience in product safety, compliance, or a related engineering function Working knowledge of IEC 62368-1 or comparable product safety standards Understanding of electrical safety principles, including insulation, grounding, creepage/clearance, and fault protection Ability to review and interpret engineering designs (schematics, layouts, mechanical drawings) in the context of safety Experience supporting product certification or working with external test laboratories Familiarity with safety considerations in liquid-cooled or thermally intensive systems Awareness of EMC considerations in high-power designs Benefits In addition to a competitive salary, Graphcore offers flexible working, a generous annual leave policy, private medical insurance and health cash plan, a dental plan, pension (matched up to 5%), life assurance and income protection. We have a generous parental leave policy and an employee assistance programme (which includes health, mental wellbeing, and bereavement support). We offer a range of healthy food and snacks at our central Bristol office and have our own barista bar! We welcome people of different backgrounds and experiences; we’re committed to building an inclusive work environment that makes Graphcore a great home for everyone. We offer an equal opportunity process and understand t ... (truncated, view full listing at source)