About Celestial AI

As the industry strives to meet the demands of the AI workloads, bottlenecks in data transfers between processors and memory have hindered progress. The Photonic Fabric based Memory Fabric provides an optically scalable solution to the ‘Memory Wall’ problem, enabling tens of Terabytes of memory capacity at full HBM bandwidths with low tens of nanoseconds of latency and extremely low power. The Photonic Fabric based Compute Fabric enables Terabyte class bandwidth between compute nodes at low latency and power. Photonic Fabric delivers a transformative leap in AI system performance, ten years more advanced than existing technologies.

Job Description: 


Celestial AI is seeking an experienced ATE Test Engineer to drive ASIC test and bring up. Self-starter who is passionate about ground-breaking compute and networking technology and driving change. The ideal candidate will need to have experience working with Analog Mixed Signal Circuits, Photonics, as well as Package and PCB level test and debug experience. Needs to have a strong sense of ownership, loves turning ambiguity into real outcomes and working across all engineering and product functions to deliver required solutions in a timely manner.

In this role, you will collaborate with the engineering teams towards validating company IP, make proof-of-concept test benches, silicon validation, and help support creating innovative solutions to be able to demonstrate Celestial AIs technology to the end customer(s).

This is a hands-on role requiring significant exposure to design and test at die, package and PCB level. Responsibilities will include identification and deployment of test instrumentation and bring up the test in collaboration with Firmware, ASIC, Photonics, Package and System engineers. This job will require you to have strong project management, written and verbal communication skills as well as a can-do attitude to prioritize and address issues with a very high sense of urgency. 



  • Lead the design, development, integration, and production release of Automatic Test Equipment (ATE) test programs to manufacturing teams
  • Define optimal test coverage based on various interface requirements and work with cross-functional teams to increase yields.
  • Prepare test and diagnostic programs, design test plans, procedures, test hardware design and debug encompassing analog, digital and photonics domains.
  • Analyze component behavior under operating scenarios to improve test efficiency and ASIC performance.
  • Develop test automation of procedures, scenarios, equipment, and data analysis. Perform formal periodic test reviews with cross functional teams.
  • Document methodology for test requirements, plans, procedures, and results. Develop, draft, release and maintain test procedures, and perform related Configuration Management activity. Ensure the quality and accuracy of released test documentation.
  • Develop and publish product qualification test reports.
  • Resolve daily technical issues with cross-functional engineering teams in a timely manner and drive Celestial AI’s success.



  • BS or MS in EE, ME, or equivalent from an accredited institution. Degree in Electrical Engineering preferred.
  • Test experience with ATE Platforms for wafer level and component level testing.
  • Programming experience using scripting languages.
  • Data manipulation, screening, organization, and processing experience with Excel and custom programming.
  • Track record demonstrating rigorous documentation, record keeping, formal data management, collaboration, and communication skills.
  • Hands-on experience leading bring up and troubleshooting of ASICs.
  • Lab experience manipulating signal generators, signal simulators, and signal measurement equipment including oscilloscopes, spectrum analyzers and External Laser Sources.
  • Experience with high-speed SERDES, PCIe, DDR and mixed signal circuits test.
  • Experience with circuit board and schematics design is a plus.
  • Experience in Photonics is a plus.
  • Proven record in successfully delivering data center solutions to meet customer demands is highly preferable.
  • Ability to lead and drive internal/external resources to accomplish key milestones and execute deliverables.


Location: Bay area location is preferred.

 For California location:

As an early startup experiencing explosive growth, we offer an extremely attractive total compensation package, inclusive of competitive base salary and a generous grant of our valuable early-stage equity.  The target base salary for this role is approximately $150,000.00 - $180,000.00. 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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