Photonics Chip Lead at Celestial AI

Santa Clara, California, United States

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Not SpecifiedCompensation

Senior (5 to 8 years), Expert & Leadership (9+ years)Experience Level

Full TimeJob Type

UnknownVisa

Semiconductors, Photonics, Artificial IntelligenceIndustries

Requirements

Strong experience with complete Silicon Photonics PIC development (architecture, routing, link-budget development, system integration)
Strong experience with modeling of photonic circuits and with simulation of Silicon Photonics components using standard tools (Lumerical, Photon Design, RSoft, VPI or similar)
Experience with physical design/layout tools (Cadence, Mentor or similar)
Experience with PIC co-design with ASICs and digital control blocks
Experience with data analysis tools (JMP, DataConductor or similar)
Minimum MS in engineering or physics. PhD is preferred
Minimum 10 years of relevant experience
Self-starter
Thrives in a highly collaborative and dynamic work environment
Excellent oral and written communication skills
Creativity in problem-solving with strong attention to detail

Responsibilities

Delivery of Photonic ICs (PICs) for Celestial’s key product segments
Drive critical aspects of PIC design, including photonic architecture & routing, schematic capture & modeling and physical design
Work in conjunction with broader analog, digital and packaging teams to ensure PIC meets all product specifications and integration requirements
Contribute to the design of Silicon Photonic devices and subsystems to augment the Celestial Photonics PDK

Skills

Key technologies and capabilities for this role

Silicon PhotonicsPIC DesignDevice DesignIC DesignEDA ToolsPIC/ASIC Co-designOptical ChipletsOptical InterposersOMIB2.5D Packaging

Questions & Answers

Common questions about this position

What salary or compensation does this role offer?

This information is not specified in the job description.

Is this Photonics Chip Lead position remote or onsite?

This information is not specified in the job description.

What key skills are required for the Photonics Chip Lead role?

The role requires strong experience with complete Silicon Photonics PIC development including architecture, routing, and system integration; modeling and simulation of photonic circuits using tools like Lumerical or RSoft; physical design/layout tools like Cadence; PIC co-design with ASICs; and deep expertise in Silicon Photonics system, block, and device design.

What is the company culture like at Celestial AI?

This information is not specified in the job description.

What makes a strong candidate for the Photonics Chip Lead position?

A strong candidate will have deep expertise in Silicon Photonics system, block, and device design, plus hands-on experience delivering Photonic ICs, photonic circuit modeling with tools like Lumerical, physical layout with Cadence, and PIC/ASIC co-design.

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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