Staff Engineer, AI System Architect (Hardware)

Location: Daily onsite presence required at the San Jose, California office, United States. Occasional domestic and international travel of less than 10%.

Base pay: $163,000–$253,000 USD per year, plus incentive opportunities.

Company

hirify.global develops technology solutions for smartphones, electric vehicles, hyperscale data centers, IoT devices, and other applications.

What you will do

• Conduct system-level architectural research for next-generation AI platforms across compute, memory, and interconnect/network subsystems.
• Develop and maintain analytical and simulation-based modeling frameworks for rack- and system-scale performance evaluation.
• Analyze LLM, DLRM, and emerging AI workloads to identify performance, scalability, efficiency, power, and architecture trade-offs.
• Drive architecture decisions through quantitative modeling, design-space exploration, and performance-per-watt projections.
• Compare alternative system architectures and communicate recommendations through technical presentations and documentation.
• Collaborate with hardware architecture, memory, interconnect, and system engineering teams.

Requirements

• Ph.D. in Computer Science, Electrical Engineering, or a related field.
• 5+ years of experience in system architecture for large-scale computing platforms, focused on AI workloads.
• Hands-on experience developing analytical and event-driven simulation models for system-level performance evaluation.
• Deep understanding of AI hardware architectures, compute systems, memory hierarchies, and high-performance interconnects.
• Strong knowledge of LLMs, DLRMs, and large-scale training and inference systems.
• Proficiency in Python, C++, and PyTorch, with strong written, verbal, and presentation skills.

Culture & Benefits

• Inclusive workplace supporting diverse perspectives and collaboration across global teams.
• Medical, dental, vision, and 401(k) benefits.
• 4+ weeks of paid time off annually, plus holidays and sick leave.
• Family support programs, including fertility and adoption assistance.
• Emotional wellness resources, including confidential therapy sessions.
• Onsite café and gym, virtual fitness classes, charitable giving match, and flexible work environment within the onsite policy.