Celestial AI · 2 months ago
Test Engineer - ATE & SLT
Santa Clara, CA
Full-time
Onsite
Senior Level
$195K/yr - $225K/yr
5+ years expCelestial AI is a company focused on next-generation interconnect technology for data centers. They are seeking a Test Engineer with expertise in Automated Test Equipment (ATE) and System-Level Testing (SLT) to develop and optimize test strategies for semiconductor and optical components.
Semiconductors
Responsibilities
Develop, debug, and optimize ATE and SLT test programs for production and validation
Work closely with design, product, and validation teams to define and implement test requirements
Analyze test data to improve yield, performance, and reliability
Develop and maintain test patterns and test methodologies for different device types
Support JTAG, boundary scan, and other digital/analog test interfaces
Collaborate with hardware and firmware teams to ensure test coverage and debug failures
Automate data collection, analysis, and reporting to enhance efficiency
Provide failure analysis and debug support for both production and engineering samples
Support new product introduction (NPI) and drive continuous improvement in test coverage and efficiency
If applicable, develop and execute optics-based testing methodologies for integrated photonics or optical components
Qualification
Required
Bachelor's or Master's degree in Electrical Engineering with 5+ years of Industry experience
Hands-on experience with ATE platforms (e.g., Advantest, Teradyne, LTX, etc.)
Experience in SLT, functional testing, and debug at the system level
Proficiency in programming test scripts (Python, C/C++, or equivalent)
Strong knowledge of semiconductor testing methodologies, test coverage, and data analysis
Familiarity with JTAG, boundary scan, and communication protocols (I2C, SPI, PCIe, etc.)
Experience in failure analysis, yield improvement, and test optimization
Excellent debugging and problem-solving skills
Preferred
Experience in optics/photonics testing (lasers, modulators, optical transceivers, etc.)
Knowledge of optical instrumentation (power meters, spectrum analyzers, interferometers, etc.)
Familiarity with high-speed signal integrity and RF testing
Experience in data visualization tools for test analysis
Working knowledge of Confluence and JIRA
Benefits
Health, vision, dental and life insurance
Collaborative and continuous learning work environment
Company
Celestial AI
AI is touching our lives and driving breakthroughs in healthcare, finance, autonomous systems, and countless other domains.
51-200 employees
H1B Sponsorship
Celestial AI has a track record of offering H1B sponsorships. Please note that this does not
guarantee sponsorship for this specific role. Below presents additional info for your
reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
Represents job field similar to this job
Trends of Total Sponsorships
2025 (15)
2024 (10)
2023 (4)
2022 (7)
2021 (1)
Funding
Current Stage
Growth StageLeadership Team
David Lazovsky
Founder, CEO
Recent News
Venture Capital Access Online
2025-03-13
2025-03-13
Company data provided by crunchbase