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Senior Staff Platform Power Delivery Network Engineer

San Jose, CA

About Groq

Groq delivers fast, efficient AI inference. Our LPU-based system powers GroqCloud™, giving businesses and developers the speed and scale they need. Headquartered in Silicon Valley, we are on a mission to make high performance AI compute more accessible and affordable. When real-time AI is within reach, anything is possible. Build fast.

Senior Staff Platform Power Delivery Network Engineer

Mission: End-to-end power delivery network design of Groq’s next-gen platform to enable state-of-the-art AI/ML workloads, and guide future hardware development of the most advanced AI accelerator on the market.

Responsibilities & opportunities in this role:

  • Full-Stack Power Delivery Design
    • Design state-of-the-art multi-stage power delivery network (>48V intermediate bus architectures, POL regulators, on-package IVRs).
    • Model and optimize impedance from bulk VRMs (Voltage Regulator Modules) to die-level power rails, including PCB planes, interposers, and TSVs.
    • Implement adaptive voltage scaling (AVS) and dynamic current balancing for load-agnostic efficiency.
  • Cross-Functional Collaboration
    • Work closely with system lead engineers and power integrity engineers to minimize PDN impedance through plane-pair optimization, via stitching, and low-ESL decoupling strategies.
    • Guide silicon and packaging teams on integrating embedded regulators (e.g., FIVRs) and on-die capacitance for GHz-frequency transient response.
    • Work with platform and datacenter architects to define power budgets and redundancy schemes for >48V-to-1V conversion chains.
  • Simulation & Validation
    • Support power integrity checks using AC/DC analysis, load-step time-domain simulations in SPICE to meet target impedance.
    • Validate PDN using Bode plots, loop stability and impedance measurements with vector network analyzer (VNA)
    • Characterize system efficiency using precision power analyzers and thermal chambers.
  • TCO & Efficiency Optimization
    • Reduce I²R losses through copper weight optimization and low-resistance interconnect materials.
    • Investigate deployment of advanced topologies: vertical power delivery networks, multi-phase interleaved buck converters, GaN-based VRMs and high-voltage busbars.
    • Analyze trade-offs between different power distribution architectures for hyperscale systems deployed in the datacenter.
    • Work closely with industry partners and vendors to identify cost-effective and energy-efficient solutions for Groq’s current and future platforms

Apply if you can:

  • Can articulate trade-offs between LLC resonant converters vs. buck-derived topologies for VRMs.
  • Have debugged ground loops causing efficiency loss in multi-board systems.
  • Understand how PDN Z_target = ΔV / ΔI relates to load-step scenarios

Ideal candidates have/are:

  • Degree in electrical engineering, power electronics, semiconductor device physics, or a related discipline
  • Hands-on experience constructing, testing, and delivering PDN designs for high-load current and high-load step applications, involving multi-stage voltage conversion
  • Hands-on testing experience of VRM Bode plots, loop stability analysis, and PDN impedance measurements
  • Substantial background in analog circuit design, emphasizing switched-mode power converters and linear power regulators
  • Experience utilizing switched mode circuit design and simulation tools, such as SIMPLIS and LTSpice, is a plus
  • Experience with high-voltage direct-to-chip architectures and knowledge of wide-bandgap semiconductors (SiC, GaN) for high-frequency VRMs, is a plus
  • Experience with AI/ML workload power profiling and adaptive PDN tuning, 3D IC packaging (EMIB, CoWoS) and silicon interposer PDNs
  • Exceptional teamwork, communication, and documentation skills
  • The ability to learn new concepts rapidly, comprehensively, and independently
  • A high degree of self-motivation and personal accountability
  • The ability to work effectively in a fast-paced environment with significant time constraints

Attributes of a Groqster:

  • Humility - Egos are checked at the door
  • Collaborative & Team Savvy - We make up the smartest person in the room, together
  • Growth & Giver Mindset - Learn it all versus know it all, we share knowledge generously
  • Curious & Innovative - Take a creative approach to projects, problems, and design
  • Passion, Grit, & Boldness - no limit thinking, fueling informed risk taking

If this sounds like you, we’d love to hear from you!

Compensation: At Groq, a competitive base salary is part of our comprehensive compensation package, which includes equity and benefits. For this role, the base salary range is $230,000 to $275,000 determined by your skills, qualifications, experience and internal benchmarks.

Location: Some roles may require being located near or on our primary sites, as indicated in the job description.  

At Groq: Our goal is to hire and promote an exceptional workforce as diverse as the global populations we serve. Groq is an equal opportunity employer committed to diversity, inclusion, and belonging in all aspects of our organization. We value and celebrate diversity in thought, beliefs, talent, expression, and backgrounds. We know that our individual differences make us better.

 

Groq is an Equal Opportunity Employer that is committed to inclusion and diversity. Qualified applicants will receive consideration for employment without regard to race, color, religion, national origin, gender, sexual orientation, gender identity, disability or protected veteran status.  We also take affirmative action to offer employment opportunities to minorities, women, individuals with disabilities, and protected veterans.

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