# Tech Lead Optical Test Engineer at Astera Labs

- Company: Astera Labs
- What the company does: Astera Labs: Purpose-Built Connectivity for Rack-Scale AI.
- Company website: https://www.asteralabs.com
- Type: Startups
- Level: Senior
- Location: San Jose, California, United States
- Work setup: On-site
- Pay: $185K to $240K base salary per year (USD)
- Posted: 2026-08-03
- Apply by: 2026-10-12
- Apply: https://job-boards.greenhouse.io/asteralabs/jobs/4720848005
- Page: https://www.1752.vc/careers/jobs/astera-labs-tech-lead-optical-test-engineer/

## About the role

We are seeking a motivated and hands-on Tech Lead – Optical Test Engineer to contribute to the development and deployment of optical test solutions for silicon photonics devices and optical modules. This role will support definition of test methodologies, drive key portions of test development, and lead technical efforts within a broader test organization.

## What they're looking for

- Define and implement optical test architectures and test flows across optical wafer probe test, package level test & characterization and optical module validation
- Execute characterization and qualification testing of CPO components and assemblies
- Perform high-speed optical measurements including insertion loss, return loss, extinction ratio, eye diagram analysis, BER testing, and optical modulation amplitude (OMA)
- Characterize optical performance parameters such as wavelength accuracy, channel spacing, spectral linearity, and crosstalk for WDM-based CPO architectures
- Design and build optical test stations incorporating fiber alignment systems, optical switches, tunable lasers, optical spectrum analyzers, high-speed oscilloscopes, and BER testers
- Develop test automation software, automated test scripts & frameworks using Python, LabVIEW, MATLAB, or similar platforms

Tags: Signal Connectivity Group