Senior CAD Engineer at Celestial AI

Santa Clara, California, United States

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Not SpecifiedCompensation

Senior (5 to 8 years)Experience Level

Full TimeJob Type

UnknownVisa

Semiconductors, Artificial Intelligence, PhotonicsIndustries

Requirements

BS/MS in Electrical Engineering or Computer Science
10+ years of CAD/EDA design-automation experience supporting analog/AMS and preferably ASIC/DV teams
Hands-on expertise with Cadence Virtuoso (schematic & layout), ADE Assembler/Explorer, Spectre
Signoff experience with Pegasus, Quantus, and VoltusFI or equivalent Calibre toolsets
Strong SKILL scripting and Python development skills for flow automation
FlexLM license server installation, configuration, and troubleshooting
IP Version control. Git, IC Manage (gdpxl) or equivalent
PDK integration for TSMC FinF

Responsibilities

Develop and maintain CAD environments for Analog/AMS, ASIC, Photonics and Systems teams, ensuring seamless integration across the organization
Define, implement, and automate design and signoff flows for custom and digital
Install, configure, and optimize EDA tools (Cadence/Synopsys/Siemens) and FlexLM licenses
Integrate and validate PDKs, tech files and IP libraries, collaborating with foundry and third-party vendors
Manage SLURM cluster infrastructure, job scheduling, and resource allocation to maximize ROI
Write automation scripts (Python, TCL, SKILL, Bash) to accelerate CAD flows and reduce manual overhead
Maintain design repositories (IC Manage gdpxl for analog, Git for ASIC) and enforce version control best practices
Debug SPICE, DRC/LVS, PEX, and EMIR issues, working with designers to improve performance and reliability
Monitor license/cluster usage, analyze trends, and recommend cost-effective scaling strategies
Liaise with EDA vendors to resolve issues, drive tool improvements, and evaluate emerging solutions

Skills

Key technologies and capabilities for this role

EDACADAnalog DesignAMSASICDigital VerificationDesign FlowsChip DesignVerification Infrastructure

Questions & Answers

Common questions about this position

What is the salary for the Senior CAD Engineer position?

This information is not specified in the job description.

Is this Senior CAD Engineer role remote or office-based?

This information is not specified in the job description.

What skills are required for the Senior CAD Engineer role?

Required skills include experience with EDA tools (Cadence/Synopsys/Siemens), automation scripting in Python, TCL, SKILL, and Bash, PDK integration, and managing SLURM cluster infrastructure.

What does the team structure look like for this CAD Engineer position?

The role bridges Analog/AMS and ASIC/Digital Verification teams while supporting Analog/AMS, ASIC, Photonics, and Systems teams, involving collaboration with designers, IT, and EDA vendors.

What makes a strong candidate for the Senior CAD Engineer role?

A strong candidate is highly motivated with expertise in developing CAD environments, automating design flows, optimizing EDA tools and clusters, and scripting to support mixed-signal verification across multiple teams.

Celestial AI

Optical interconnects for high-performance computing

About Celestial AI

Celestial AI focuses on high-performance computing for hyperscale data centers with its technology called Photonic Fabric™, an optical compute interconnect. This technology reduces DRAM requirements by up to 35% and lowers power consumption while increasing bandwidth capacity, which is essential for multi-tenant cloud environments. Additionally, it allows for the disaggregation of High Bandwidth Memory (HBM) using optics instead of traditional connections. The goal is to provide optical connectivity that supports advancements in Generative AI and complex workloads.

Sunnyvale, CaliforniaHeadquarters

2020Year Founded

$329.6MTotal Funding

SERIES_CCompany Stage

Data & Analytics, Hardware, AI & Machine LearningIndustries

51-200Employees

Benefits

Health Insurance

Vision Insurance

Dental Insurance

Life Insurance

Company Equity

Risks

Emerging competition from companies like Lightmatter and Ayar Labs.

Potential integration challenges with existing data center infrastructure.

Dependency on limited suppliers for photonic components poses supply chain risks.

Differentiation

Celestial AI's Photonic Fabric™ offers unique optical compute interconnect technology.

The company reduces DRAM requirements by up to 35%, saving billions annually.

Celestial AI enables disaggregation of HBM over optics, enhancing bandwidth capacity.

Upsides

Acquisition of Rockley Photonics' IP strengthens Celestial AI's competitive position.

$175 million Series C funding supports further innovation and market expansion.

Growing demand for energy-efficient solutions aligns with Celestial AI's sustainable focus.

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