Optical Test Engineer at Celestial AI

Santa Clara, California, United States

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Not SpecifiedCompensation

Mid-level (3 to 4 years)Experience Level

Full TimeJob Type

UnknownVisa

Semiconductors, Photonics, Artificial IntelligenceIndustries

Requirements

Good understanding of integrated optics testing requirements and methods
Experience with setting up optical measurements, including familiarity with standard test equipment/components (tunable lasers, PWMs, OSAs, fiber arrays). Direct experience with commercial probe stations is a huge plus
Experience with high-speed test setups to measure opto-electronic S-parameters
Ability to collect and analyze complex datasets (i.e. experience with JMP, DataConductor or similar data analysis tools)
Experience with automated instrument/machine control using Python/Matlab/LabView/C#
Minimum BS in engineering or physics. Masters preferred
Minimum 5 years of relevant experience
Self-starter
Thrives in a highly collaborative and dynamic work environment
Has excellent oral and written communication skills
Creativity in problem-solving with strong attention to detail
Based in Singapore office

Responsibilities

Own the operation and maintenance of wafer-scale probe stations for Silicon Photonics testing
Develop and execute test recipes for various passive and active optical/opto-electronic components for library development and production sort
Work with prober vendor to implement new test functionality as needed, including incorporation of new test equipment into prober
Create and execute a maintenance and continuous improvement plan for the test stations to improve test capabilities and gauge
Help setup data infrastructure to handle data outputs from prober
Execute and refine optical and opto-electronic test procedures
Ensure reliable data collection across passive and active components
Work closely with the engineering team in the US to support development and production testing

Skills

Silicon Photonics

Wafer-Scale Probing

Optical Testing

Opto-Electronic Testing

Probe Station Maintenance

Passive Components Testing

Active Components Testing

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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