Senior Principal Memory Architect (HBM/DDR)

Location: 100% onsite five days per week in Santa Clara, Irvine, or Boise, United States; no remote or hybrid option

Salary: $191,530–$286,900 per annum

Company

hirify.global develops semiconductor solutions and custom silicon for enterprise, cloud, AI, carrier, and data center infrastructure.

What you will do

• Architect high-performance HBM and DDR memory subsystems for custom compute products.
• Develop specifications, performance models, product requirements, and memory controller architecture roadmaps.
• Drive micro-architecture development, design specifications, and verification plans with RTL, physical design, and validation teams.
• Build system-level models to optimize throughput, latency, QoS, power, and area across design options.
• Collaborate with hardware, firmware, validation, customers, and ecosystem partners to ensure product quality, performance, and reliability.
• Lead memory architecture innovation, including ECC, RAS, and reliability improvements for server-class products.

Requirements

• Bachelor’s degree in Electrical Engineering, Computer Engineering, or a related field with 15+ years of relevant experience, or a Master’s/PhD with 8+ years of experience in memory architecture or system design.
• Deep understanding of DDR and HBM memory subsystem architecture for data center compute, AI, or XPU systems.
• Experience designing or specifying HBM/DDR memory controllers and associated subsystems.
• Strong familiarity with JEDEC standards, including HBM3/4, DDR4/5, LPDDR5/5X/6, and related memory interface technologies.
• Experience with system modeling and performance analysis tools, plus ECC, RAS, and reliability features for server or high-performance SoC designs.
• Applicants must be eligible to access export-controlled technology under U.S. law; an export license review may be required for some applicants.

Culture & Benefits

• Full-time employment with comprehensive benefits supporting financial well-being, family support, mental health, physical health, and recognition.
• Employee stock purchase plan with a two-year look back.
• Family support programs and mental health resources.
• Recognition and service awards for contributions and milestones.
• Interviews assess individual experience, thought process, and communication without unauthorized AI assistance.

Hiring process

• Interview process includes real-time evaluation of experience, reasoning, and communication.
• Unauthorized AI tools, recording tools, transcription apps, and automated interview assistance are prohibited and may result in disqualification.