Staff SLT Test Engineer

About the Position

Staff SLT Test Engineer

Location: Austin, Texas, United States

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.

Responsibilities

• Lead the development and deployment of System Level Test (SLT) solutions for next-generation AI processors.
• Work closely with cross-functional teams to contribute to the design and implementation of SLT hardware, software, automation, and characterization solutions.
• Develop and integrate SLT test content in collaboration with Silicon Validation, Bring-up, Product Engineering, and Manufacturing teams.
• Lead development of SLT hardware including test boards, sockets, thermal solutions, instrumentation, and vendor engagements.
• Develop and maintain SLT software frameworks, automation infrastructure, diagnostics, telemetry collection, and data analysis tools.
• Drive characterization activities including voltage margining, frequency characterization, thermal characterization, and reliability screening.
• Lead debug, failure analysis, root-cause investigations, and correlation activities across Simulation, ATE, Bench, SLT, and manufacturing environments.
• Define and optimize test coverage, test time, screening effectiveness, DPPM, and manufacturing test strategies.
• Support transfer of SLT solutions into OSAT and contract manufacturing environments and provide production ramp support.
• Work closely with DFT teams to understand testability, observability, scan architectures, and manufacturing test requirements.
• Contribute to the definition of future SLT architectures, methodologies, and infrastructure requirements.
• Mentor junior engineers and provide technical leadership within the team.
• Drive technical reviews, project planning, risk management, and execution tracking for assigned workstreams.
• Collaborate with external vendors and industry partners to evaluate and deploy SLT platforms and solutions.

Requirements

Essential:

• Experience in System-Level Test, production test, characterization, or post-silicon validation of complex semiconductor products.
• Strong understanding of semiconductor fundamentals, power delivery, signal integrity, board design practices, and advanced packaging technologies.
• Knowledge of DFT methodologies including scan, JTAG, BIST, MBIST, boundary scan, and manufacturing test architectures.
• Experience working with OSATs, contract manufacturers, and high-volume manufacturing environments.
• Strong scripting, automation, and debug skills using Python, Tcl, Shell, Perl, or similar languages.
• Demonstrated ability to lead technical projects and coordinate cross-functional activities.
• Strong communication, collaboration, and problem-solving skills.
• Bachelor's degree in electrical engineering, Computer Engineering, or related field.

Desirable:

• Experience with System-Level Test (SLT), production test, characterization, or post-silicon validation of 2.5D/3D stacked semiconductor products.
• Familiarity with advanced packaging technologies such as chiplets, CoWoS, SoIC, HCB, or other integration methods.
• Experience with manufacturing test flows, OSAT engagement, and production ramp activities.

We Offer

• Competitive salary
• Flexible working
• Comprehensive benefits package including medical, dental, and vision coverage
• Flexible Spending Accounts (FSAs), Health Savings Accounts (HSAs), disability and life insurance
• 401(k) retirement plan
• Commuter benefits
• Wellness services
• Employee Assistance Programme (EAP)
• Equal opportunity process
• Commitment to building an inclusive work environment

About the Company

At Graphcore, we are dedicated to advancing the field of AI compute. Our team is composed of experts in semiconductor, software, and AI, working together to create a complete AI compute stack. As part of the SoftBank Group, we are part of a larger ecosystem focused on delivering key technology to the fast-growing AI market. Our mission is to bring together the brightest minds to solve complex engineering challenges and drive innovation in AI technology.