Signal/Power Integrity Engineer

Astera Labs is seeking a motivated Signal/Power Integrity (SI/PI) Engineer to contribute to their connectivity products for AI and Machine Learning applications. This role involves SI planning, design, modeling, simulation, and lab validation across various system configurations. The engineer will formulate system validation plans, design experiments to identify root causes, report results and specification compliance, and collaborate with internal teams to ensure robustness.

Role Involves:

• Executing SI planning, design, modeling, and simulation.
• Performing lab validation with various system configurations.
• Formulating system validation plans and designing experiments.
• Root causing unexpected behavior and reporting results.
• Collaborating with internal customers to quantify margins.

Requirements:

• Strong background in electrical engineering (Bachelor's required, Master's preferred).
• 2+ years of experience with complex SoC/silicon products.
• 5+ years of high-speed SI/PI design, simulation, and measurement experience.
• Familiarity with SI and PI design challenges for high-speed interconnects
• Hardware product design experience in networking, compute, or RF.
• 2D and 3D simulation experience with Cadence/Mentor/Ansys/ADS/etc. toolsets
• EM modeling of connector structures
• Expertise in DDR4/5 memory bus designs
• Expertise in multi-level and NRZ signaling, COM, BER, jitter analysis
• Familiar with VNA, TDR, real-time and sub-sampling oscilloscopes, etc.
• Working knowledge of PCB fabrication limits and trade-offs
• Familiarity with PCIe5/6 and CXL specs, especially Electrical Compliance sections.
• Experience in system testing, characterization, margin analysis, and optimization of high-speed PCIe/CXL data links.
• In-depth understanding of DDR 4/5 protocols and JEDEC Standard and hands-on experience with DDR4/5 post-silicon electrical validation.
• Strong debugging, analysis, and problem-solving skills.

What Astera Labs Offers:

• Opportunity to work on cutting-edge connectivity products for AI/ML.
• A dynamic and fast-paced work environment.