We make the best chips physically possible for the large model needs of frontier labs.
About the role
We are looking for a skilled and hands-on Signal Integrity, Power Integrity, and Characterization (SIPI) Engineer to join our hardware team. In this role, you will own electrical characterization of high-speed SerDes interfaces and power delivery networks across our AI accelerator compute systems.
What they're looking for
- 5–10 years of industry experience in hardware characterization, SI/PI engineering
- Bachelor's degree or higher in Electrical Engineering, advanced degree a plus
- Deep understanding of high-speed SerDes architecture and operation — PHY layer fundamentals, equalization, jitter decomposition, and link margin analysis
- Strong grasp of transmission line theory — wave propagation, impedance matching, reflections, skin effect, and dielectric loss
- Solid understanding of PDN design principles — target impedance, resonance, bypass capacitor placement, and voltage regulator loop dynamics
- Hands-on proficiency with lab equipment
More about this role
MatX's mission is to make the world’s best AI models run as efficiently as allowed by physics, bringing the world years ahead in AI quality and availability
We are looking for a skilled and hands-on Signal Integrity, Power Integrity, and Characterization (SIPI) Engineer to join our hardware team. In this role, you will own electrical characterization of high-speed SerDes interfaces and power delivery networks across our AI accelerator compute systems. You will build and scale test automation infrastructure capable of covering thousands of channels, while collaborating closely with SIPI engineers and board designers to influence and validate designs from early concept through production.
Characterize high-speed SerDes interfaces (PCIe, Ethernet, custom protocols) including BER testing, eye diagram analysis, and PVT characterization
Tune and optimize SerDes Tx and Rx equalization settings
Perform channel characterization including insertion loss, return loss, and crosstalk measurements using VNA and time-domain reflectometry (TDR)
Develop and execute correlation methodologies to align simulation predictions with measured results; drive feedback loops to improve modeling...
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