Graphcore - Senior Semiconductor Reliability Engineer – Advanced Silicon & Packaging
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Responsibilities
• Define reliability requirements for advanced silicon nodes and package platforms • Perform pre-silicon reliability risk assessments across silicon, interconnect, and package technologies • Evaluate reliability mechanisms including EM, TDDB, BTI, HCI, BEOL, and silicon-package interaction • Support design reviews, guard-banding, and reliability sign-off activities • Develop and execute qualification plans aligned with JEDEC and customer requirements • Lead HTOL, thermal cycling, thermal shock, and reflow qualification testing • Drive correlation between pre-silicon modelling and post-silicon qualification results • Lead root-cause analysis of silicon and package-related failures • Utilize X-ray and CSAM analysis to diagnose package defects including delamination, voiding, and cracking • Work with foundries, OSATs, and reliability labs to resolve reliability and manufacturing issues • Author qualification reports, risk assessments, and reliability documentation • Mentor engineers and contribute to reliability best practices and methodologies • Candidate Profile • Essential • Bachelor’s or Master’s degree in Electrical Engineering, Materials Science, Physics, Mechanical Engineering, or related field • 8+ years of semiconductor reliability engineering experience • Strong understanding of silicon reliability mechanisms including EM, TDDB, BTI, and HCI • Experience with BEOL, interconnect, and advanced package reliability • Hands-on experience with HTOL, thermal cycling, thermal shock, and reflow testing • Experience using X-ray and CSAM for package failure analysis • Familiarity with JEDEC reliability standards • Strong analytical, communication, and cross-functional collaboration skills • Desirable • Experience with leading-edge nodes, AI accelerators, or high-performance SoCs • Knowledge of HBM, chiplets, TSVs, micro-bumps, and 2.5D/3D integration • Experience with wafer-level reliability or system-level stress testing • Experience working with foundries and OSAT partners • Technical leadership or mentoring experience
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 that there are visible and invisible differences in all of us. We can provide a flexible approach to interview and encourage you to chat to us if you require any reasonable adjustments. • Applicants for this position must hold the right to work in the UK. Unfortunately at this time, we are unable to provide visa sponsorship or support for visa applications
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