Silicon DFT Engineer

Graphcore; Bristol; On-site; GBP 60,000 - 90,000; Full time

Benefits offered by this job

Flexible working

Generous leave

Retirement planning support

Phantom equity

Office spaces for collaboration (free)

On-site barista

Income protection & life assurance

Flexible benefits

Dental cover & health cash plan

Job summary

Graphcore is a leading AI compute company that designs hardware, software and systems for AI workloads. The DFT Engineer role is in the Silicon team and focuses on defining DFT architecture, developing flows and supporting verification for data centre AI hardware.

The team emphasizes learning, collaboration, and ongoing training, with opportunities to work across Bristol, Cambridge or London and to participate in in-person team activities and knowledge-sharing sessions.

Qualifications

• Strong DFT knowledge including JTAG, IJTAG, Core Test, SSN, test compression and OCC.
• Experience developing DFT specifications, defining architecture and driving DFT implementation and verification.
• Strong understanding of scan-based testing, ATPG and gate-level simulation, with tools such as VCS and Verdi.
• Hands-on Verilog RTL experience, familiarity with SystemVerilog, and experience with simulation, debugging, synthesis or STA.
• Strong scripting and debugging skills using Python, TCL, Perl or Shell, with experience developing DFT flows and methodologies.

Responsibilities

• Define and implement DFT architecture and features for next-generation AI designs.
• Develop DFT flows and methodologies and support verification.
• Support silicon bring-up and identify silicon failures to improve yield.

Skills

DFT knowledge

JTAG/IJTAG

Core Test

SSN

ATPG

gate-level simulation

Verilog RTL

SystemVerilog

scripting (Python/TCL/Perl/Shell)

Tools

VCS

Verdi

Job description

As a DFT Engineer in the Silicon team, you'll work on next-generation AI designs targeted at data centre applications. You will define and implement DFT architecture and features, develop DFT flows and methodologies, and support their verification. Your work will span structural test vectors, test coverage, scan-based testing and ATPG, working closely with design, verification, physical design and product engineering teams. You will also support silicon bring-up, working with product and test engineering teams to identify silicon failures and improve yield learning.

The Team and Culture

The team navigates day-to-day challenges with regular sync-ups, a weekly coffee chat and plenty of informal technical discussions and knowledge-sharing sessions help everyone stay connected. Work is assigned across the team, with Dean, the team lead, breaking it down and helping everyone understand what needs to be done. The team is a friendly, open bunch, with a pretty light-touch leadership style. Everyone is encouraged to speak up, share ideas and ask questions, no matter how small they might seem. There's a strong belief in learning from one another, alongside access to online training and formal courses when needed. The team tries to get together in person whenever possible, whether for a team lunch or by bringing colleagues together in Bristol, Cambridge or London. It's a good chance to catch up, share ideas and spend time together beyond the day-to-day work.

• Strong DFT knowledge, including JTAG, IJTAG, Core Test, SSN, test compression and OCC
• Experience developing DFT specifications, defining architecture and driving DFT implementation and verification
• Strong understanding of scan-based testing, ATPG and gate-level simulation, including tools such as VCS and Verdi
• Hands-on Verilog RTL experience, familiarity with SystemVerilog, and experience with simulation, debugging, synthesis or STA
• Strong scripting and debugging skills using Python, TCL, Perl or Shell, with experience developing DFT flows and methodologies

Graphcore is one of the world’s leading innovators in Artificial Intelligence compute. It is developing hardware, software and systems infrastructure that will unlock the next generation of AI breakthroughs and power the widespread adoption of AI solutions across every industry. As part of the SoftBank Group, Graphcore is a member of an elite family of companies responsible for some of the world’s most transformative technologies. Together, they share a bold vision: to enable Artificial Super Intelligence and ensure its benefits are accessible to everyone. Graphcore’s teams are drawn from diverse backgrounds and bring a broad range of skills and perspectives. A melting pot of AI research specialists, silicon designers, software engineers and systems architects, Graphcore brings together deep expertise to solve complex problems and deliver meaningful progress in AI compute.

• Flexible working: Balance your work and personal life with greater flexibility
• Generous leave: Take time to rest, recharge and enjoy life outside of work
• Retirement planning support: Up to 5% matched pension
• Phantom equity: Share in Graphcore’s success
• Workplace experience: Enjoy thoughtfully designed office spaces for collaboration, with free food and an on-site barista to support your day
• Peace of mind protection: Income protection and life assurance to provide financial security for you and your loved ones
• Flexible benefits: Tailor your benefits package with a choice of additional options, including private medical insurance and dental cover
• Optional benefits: Dental cover, health cash plan, private medical insurance, cycle to work scheme, give as you earn