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Product Engineer – ATE, SLT & Optics

Celestial AI

$185,000 - $225,000
Aug 18, 2025
Santa Clara, CA, US
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Celestial AI is looking to solve the problem of data center bottlenecks by developing a next-generation interconnect technology, Photonic Fabric, to deliver a tenfold increase in performance and energy efficiency compared to competing solutions.

Requirements

  • Experience in optics/photonics testing (lasers, modulators, optical transceivers, etc.).
  • Familiarity with optical measurement tools (power meters, spectrum analyzers, interferometers, etc.).
  • Strong understanding of semiconductor manufacturing processes and DFT concepts.
  • Experience with yield analysis, failure analysis, and test optimization.
  • Proficiency in data analytics tools (Python, JMP, Excel, SQL, etc.).
  • Knowledge of RF and high-speed signal integrity testing.
  • Working knowledge of Confluence and JIRA

Responsibilities

  • Developing silicon photonic device for mass production, ensuring high quality and reliability.
  • Developing HVM test methodology for electro-optical test of Si-Photonic device.
  • Enabling ATE and prober solutions for high-volume electro-optical test.
  • Develop characterization plans, execute DOE (Design of Experiments), and optimize test coverage.
  • Manage SW and HW board readiness for characterization and demo systems
  • Support the test engineering and design teams in defining proper test concepts and features.
  • Support customer qualifications, reliability testing, and failure analysis.

Other

  • Bachelor's or Master's degree in Electrical Engineering with 7+ years of industry experience in product engineering, test engineering, or related fields.
  • Excellent problem-solving skills and the ability to work collaboratively across teams including design, test, and operations.
  • Strong problem-solving and debugging skills in high-volume manufacturing environments.
  • Collaborative and continuous learning work environment
  • Great benefits (health, vision, dental and life insurance)