Senior SoC Design & Integration Engineer

Posted 8 Days Ago
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Santa Clara, CA
Senior level
Artificial Intelligence • Machine Learning
The Role
The Senior SoC Design and Integration Engineer will drive SoC design, integration, and implementation, focusing on high-speed interfaces and ASIC execution. Responsibilities include RTL design, IP verification, and working closely with teams for seamless SoC bring-up and debugging. Candidates should have strong problem-solving skills and collaborate across multiple teams to validate and integrate SoCs effectively.
Summary Generated by Built In

About Celestial AI

As Generative AI continues to advance, the performance drivers for data center infrastructure are shifting from systems-on-chip (SOCs) to systems of chips. In the era of Accelerated Computing, data center bottlenecks are no longer limited to compute performance, but rather the system’s interconnect bandwidth, memory bandwidth, and memory capacity. Celestial AI’s Photonic Fabric™ is the next-generation interconnect technology that delivers a tenfold increase in performance and energy efficiency compared to competing solutions.

The Photonic Fabric™ is available to our customers in multiple technology offerings, including optical interface chiplets, optical interposers, and Optical Multi-chip Interconnect Bridges (OMIB). This allows customers to easily incorporate high bandwidth, low power, and low latency optical interfaces into their AI accelerators and GPUs. The technology is fully compatible with both protocol and physical layers, including standard 2.5D packaging processes. This seamless integration enables XPUs to utilize optical interconnects for both compute-to-compute and compute-to-memory fabrics, achieving bandwidths in the tens of terabits per second with nanosecond latencies.

This innovation empowers hyperscalers to enhance the efficiency and cost-effectiveness of AI processing by optimizing the XPUs required for training and inference, while significantly reducing the TCO2 impact. To bolster customer collaborations, Celestial AI is developing a Photonic Fabric ecosystem consisting of tier-1 partnerships that include custom silicon/ASIC design, system integrators, HBM memory, assembly, and packaging suppliers.

ABOUT THE ROLE

We are seeking a Senior SoC Design and integration Engineer to drive the design, integration, and implementation of SoCs, focusing on high-speed interconnects, IP integration, and ASIC execution. This role involves configuring, integrating, and supporting IP verification. It will include RTL design, synthesis, and working with the physical design team for timing closure.

We want to hear from you if you have expertise in SoC integration, high-speed interfaces, AXI interconnects, or ASIC implementation.

ESSENTIAL DUTIES AND RESPONSIBILITIES

SoC Design, IP Integration & Interconnects:

  • Integrate UCIe or similar high-speed IPs into SoC designs.
  • Define and configure AXI-based NoCs (Network-on-Chip), interconnects, and subsystem integration.
  • Act as a technical liaison between IP vendors, SoC architects, verification, physical design teams, firmware, drive design reviews, discussions, and debug efforts, ensuring seamless SoC bring-up.
  • Run Synthesis and design checks related to Lint, CDC and RDC.
  • Optimize RTL integration for power, performance, and area.
  • Work with the Physical design team to floor plan, place, clock tree synthesis (CTS), and help resolve routing congestion and checks for power integrity.
  • Work with verification to support UVM based testbenches.
  • Debug and resolve design, timing, and protocol compliance issues while working closely with verification and firmware teams.
  • Work with post-silicon validation team to bring up SoCs
  • Support emulation and FPGA-based prototyping, ensuring early validation of IP integration

QUALIFICATIONS

Strong problem-solving skills with a methodical approach to debugging complex SoC issues are essential for this role. The ideal candidate should be able to collaborate effectively across multiple teams, including IP vendors, ASIC designers, verification engineers, and post-silicon teams, to ensure seamless integration and validation. Excellent written and verbal communication skills are critical for documenting design specifications, leading design reviews, and providing clear debugging reports.

  • Bachelor’s or Master’s degree in Electrical Engineering, Computer Engineering, or a related field.
  • 10+ years of experience in ASIC/SoC design, integration, and implementation.

Technical Expertise:

  • SoC Design & RTL Integration:
    • Experience in RTL design and integration (Verilog/SystemVerilog).
    • Experience working on designs using interconnect protocols like AXI
    • Experience integrating high-speed interfaces (e.g. UCIe, CXL, PCIe, DDR)
  • Synthesis & ASIC Implementation:
    • Hands-on experience with logic synthesis, static timing analysis (STA), and low-power design techniques.
    • Familiarity with EDA tools for debugging, synthesis, and STA.
    • Knowledge of physical design constraints, floor planning, and timing closure.
    • Experience formal verification (logical equivalence check) to ensure synthesis correctness
  • Verification & Post-Silicon Debug:
    • Experience supporting pre-silicon verification (UVM, assertion-based verification, closing functional/code coverage).
    • Knowledge of post-silicon bring-up, validation, and debug techniques.
  • Programming & Scripting:
    • Proficiency in Tcl/Python for automation and debug.

 

PREFERRED QUALIFICATIONS

  • Experience working with UCIe/CXL/PCIe/Serdes would be a plus for this role.


LOCATION: Santa Clara, CA

For California Location:

As an early stage start up, we offer an extremely attractive total compensation package inclusive of competitive base salary, bonus and a generous grant of our valuable early-stage equity. The target base salary for this role is approximately $185,000.00 - $225,000.00. The base salary offered may be slightly higher or lower than the target base salary, based on the final scope as determined by the depth of the experience and skills demonstrated by candidate in the interviews.

We offer great benefits (health, vision, dental and life insurance), collaborative and continuous learning work environment, where you will get a chance to work with smart and dedicated people engaged in developing the next generation architecture for high performance computing.

Celestial AI Inc. is proud to be an equal opportunity workplace and is an affirmative action employer.


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The Company
HQ: Santa Clara, CA
60 Employees
On-site Workplace
Year Founded: 2020

What We Do

Celestial AI is a Machine Learning (ML) accelerator company that has developed a proprietary technology platform which enables the next generation of high-performance computing solutions. Celestial AI’s mission is to transform data parallel computing with a proprietary Photonic Fabric™ technology platform which uses light for data movement both within chip and between chips.

Advancements in data communications have driven robust silicon photonics technology and volume manufacturing ecosystems that are ripe for commercial implementation of ML and high-performance computing (HPC) solutions which leverage integrated silicon photonics for data movement.

Celestial AI’s system delivers differentiated single node performance that scales efficiently, providing significant performance gains for multi-node and multi model applications. The scalability of Celestial AI’s accelerator architecture enables an efficient and performant mapping of data and compute over a broad range of ML model types without the need for complex software optimizations. Celestial AI’s competitive advantage will further grow over time as ML models continue to increase in complexity and size.

Celestial AI has assembled a highly experienced team of industry leaders who have a track record of building multiple successful technology businesses. The company’s Orion AI accelerator products serve an addressable market that is projected by Omida to exceed $70 billion in 2025

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