Sr. Signal Integrity / Power Integrity Engineer, Annapurna Labs, Machine Learning Hardware

Job Description

Seeking a Senior SI/PI Engineer to play a key role in the definition, design, and validation of AWS next generation machine learning ASICs.

Requirements

• Deep understanding of SI concepts and strong analytical skills in signal and power integrity
• Hands-on experience with simulation tools such as ADS, MATLAB, Cadence, HFSS, and others
• Proficiency in high-speed channel simulations, including system-level modeling and validation
• Experience with PCIe protocols and equalization methods (DFE, CTLE, FFE)
• Knowledge of clock distribution and jitter analysis for high-speed designs
• Expertise in PCB layout and board manufacturing processes, including identifying and mitigating potential issues
• Hands-on experience in stack-up design, including dielectric material selection, impedance control, and layer optimization

Responsibilities

• Perform end-to-end high-speed channel simulations to ensure signal integrity across complex designs
• Conduct SI/PI analysis to optimize PCB layouts, minimizing losses and signal degradation
• Utilize simulation tools to evaluate performance and troubleshoot issues
• Work with PCIe protocols and equalization techniques to optimize high-speed interfaces
• Analyze clock distribution and jitter, ensuring signal timing and integrity across designs
• Collaborate with PCB layout and hardware design teams to define optimal stack-ups and trade-offs for manufacturing feasibility and performance
• Identify and mitigate PCB manufacturing issues, ensuring high production yield and reliability
• Work closely with cross-functional teams to align on requirements and trade-offs

Benefits

• Medical, dental, and vision coverage (multiple plan options)
• Health savings and flexible spending accounts
• 24/7 Employee Assistance Program for mental health support
• 401(k) with company match and various investment choices
• Company-paid life/AD&D and disability insurance
• Restricted stock units (RSUs) for employee ownership
• Child care and elder care referrals, adoption assistance
• Paid maternity and parental leave (including Ramp Back)
• Paid time off (PTO) and company holidays
• Employee discount on Amazon.com products
• Career Choice program (95% tuition and textbook coverage)