Director, SI/PI

About the Role

We are seeking a Director to drive Signal Integrity, Power Integrity of our first generation MPU. It involves all aspects for SI/PI from silicon to system.

This role will be performed onsite from one of our offices in Santa Clara, CA or Boston, MA.

Essential Duties & Responsibilities

Responsible for technical solution development for Signal Integrity and Power Integrity.

Drive system-level SI/PI architecture, design guidelines, and layout recommendations.

Perform end-to-end channel simulations for high-speed serial interfaces and memory subsystems.

Lead SI/PI analysis and optimization of DDR5, LPDDR5, LPDDR6, and other high-performance memory interfaces.

Correlate simulations with lab measurements and drive root-cause analysis of signal and power integrity issues.

Collaborate with silicon, package, PCB, architecture, and manufacturing teams to resolve complex SI/PI challenges.

Evaluate future package and PCB technologies to support next-generation FPGA and adaptive computing products

Qualifications

MS or PhD in Electrical Engineering

5+ years of direct industry experience

Preferred Qualifications

Excellent analytical and problem-solving skills with strong attention to detail.

Proven ability to independently drive technical decisions and influence engineering direction.

Strong communication and cross-functional collaboration skills.

Hands-on experience performing lab measurements and correlating hardware results to simulation models.

Deep expertise in Signal Integrity with working knowledge of Power Integrity concepts and methodologies.

Experience with DDR, LPDDR, or other high-performance memory interfaces.

Experience with FPGA, adaptive computing, ASIC, networking, datacenter, or high-performance computing platforms.

Experience with PCB, package, and IC-level power delivery networks.

Expertise with SI/PI analysis tools including ADS and HFSS; experience with HSPICE is a plus.

Strong foundation in electromagnetic theory, transmission lines, and circuit analysis.

Experience mentoring engineers and driving technical leadership across organizations.

Experience with programming in Python, C++, Matlab.

Compensation & Benefits

Competitive salary with performance-based bonus and early-stage equity grant

100% employer-paid Health, Dental, and Vision coverage for you and your dependents

401(k) match with immediate vesting, and access to financial advisors to help you reach your financial goals

100% employer-paid Life, Disability, and AD&D insurance, plus a fitness stipend and wellness & mental health perks

Generous PTO: 20 vacation days, 15 company holidays (including 3 floating days of your choosing)

Daily lunch stipend

Enterprise-level Claude & ChatGPT access with a generous token budget

Well-equipped, sunny offices in Santa Clara, CA & Cambridge, MA with on-site parking and EV charging; on-site fitness center in Santa Clara; gym discounts near our Cambridge office

Visa sponsorship and relocation assistance to one of our office hubs

A collaborative, continuous-learning environment with smart, dedicated colleagues building the next generation of high-performance computing architecture

The Opportunity

Impact: We are tackling a fundamental challenge at the infrastructure layer: unlocking greater AI capability while dramatically improving efficiency. The work we do here compounds across state-of-the-art AI models, systems, and real-world applications.

Timing: Joining now means real ownership of the company and meaningful influence over product direction and execution. You’ll work from first principles, move quickly from insight to execution, and see your contributions directly reflected in what we build.

Culture: You’ll work alongside a group of people who care deeply about rigor, clarity, and impact. We value thoughtful disagreement, fast learning, and intellectual fearlessness. This is a place where strong ideas shine, curiosity is encouraged, and growth is a daily practice.