Senior Principal Test Engineer
Astera Labs · San Jose, California, United States
Extracted from the posting
Senior Principal Test Engineer for rack-scale AI connectivity products. Define test strategies for mixed-signal silicon from development through high-volume manufacturing, partnering with design and operations teams. Work with PCIe, Ethernet, NVLink, CXL, and UALink protocols.
Astera Labs (NASDAQ: ALAB) provides rack-scale AI infrastructure through purpose-built connectivity solutions. By collaborating with hyperscalers and ecosystem partners, Astera Labs enables organizations to unlock the full potential of modern AI. Astera Labs’ Intelligent Connectivity Platform integrates CXL®, Ethernet, NVLink, PCIe®, and UALink™ semiconductor-based technologies with the company’s COSMOS software suite to unify diverse components into cohesive, flexible systems that deliver end-to-end scale-up, and scale-out connectivity. The company’s custom connectivity solutions business complements its standards-based portfolio, enabling customers to deploy tailored architectures to meet their unique infrastructure requirements. Discover more at www.asteralabs.com.
Role Overview
Astera Labs is seeking a Senior Principal Test Engineer to serve as a technical authority for test engineering across complex mixed-signal silicon and high-speed connectivity products. You will define Test strategies for SCM High Volume Manufacturing and Validation Boards shipped to customer development and own execution from early product engagement through high-volume manufacturing.
This role is central to delivering reliable, scalable connectivity for rack-scale AI infrastructure. You will influence product quality, coverage, yield, test cost, and time to market while partnering with design, DFT, product engineering, operations, and manufacturing teams in a fast-moving, hyper-growth environment.
Key Responsibilities
- Test Strategy and Product Ownership
- Technical Leadership and Cross-Functional Execution
Basic Qualifications
- Bachelor’s degree in Electrical Engineering, Computer Engineering, or a related technical field.
- 12–20 years of experience in Test engineering or Product Engineering from development through high-volume manufacturing.
- Strong experience developing custom test solutions for high-speed, mixed-signal products for high volume manufacturing.
- Working knowledge of high-speed protocols and physical-layer behavior, including PCIe, Ethernet, DDR, NVMe, or USB.
- Experience with Test SW development, production debug, and test-time optimization.
- Proven experience developing and designing custom Test Hardware for PCBA High volume manufacturing.
Preferred Qualifications
- Master’s or PhD in Electrical Engineering, Computer Engineering, or a related field.
- Experience with Electrical HW board design on complex Test HW implementation.
- Strong knowledge of DFT techniques such as SCAN, MBIST, SerDes, and functional test, along with control interfaces such as I2C, I3C, SPI, MDIO, and JTAG.
- Proficiency in C/C++ or Python for ATE programming, data processing, and test automation; familiarity with databases and yield analytics.
- Demonstrated ability to provide technical leadership, mentor engineers, influence cross-functional decisions, and deliver results in a fast-paced, high-growth environment.
- Proficient in Mandarin Chinese.
The base salary range is $205,000 USD - $260,000 USD. Your base salary will be determined based on your location, experience, and the pay of employees in similar positions.
We know that creativity and innovation happen more often when teams include diverse ideas, backgrounds, and experiences, and we actively encourage everyone with relevant experience to apply, including people of color, LGBTQ+ and non-binary people, veterans, parents, and individuals with disabilities.
