Hardware Engineer, Power (AI Hardware)

Location: San Jose, United States

US base salary: $120,000–$300,000 annually

Company

hirify.global is an artificial intelligence company developing multimodal models and next-generation hardware for proactive, personalized interaction through speech, text, vision, and persistent memory.

What you will do

• Own the end-to-end power architecture for next-generation portable devices.
• Define the power distribution network and select PMICs, chargers, fuel gauges, and protection ICs.
• Lead the selection, characterization, and safety validation of Li-ion and Li-poly battery cells.
• Develop power models covering idle, peak-load, and standby scenarios, including strategies to prevent system brownout.
• Design and optimize USB-C PD and/or wireless charging circuits, including thermal stability and fast-charging compliance.
• Measure DC-DC converter efficiency, optimize firmware settings, and ensure compliance with UL, IEC, UN38.3, and EMI/EMC requirements.

Requirements

• BS or MS degree in Electrical Engineering.
• Hands-on experience integrating and configuring high-performance PMICs from vendors such as Qualcomm, TI, Nordic, or Maxim.
• Deep knowledge of Battery Management Systems, fuel-gauging algorithms, and state-of-charge estimation.
• Expertise with power analyzers, electronic loads, and high-resolution current-sensing tools.
• Strong understanding of PCB power layout, loss minimization, and high-current path management.

Nice to have

• Experience with driver-level power management and I2C/SMBus communication.
• Experience with Flotherm or Icepak for thermal dissipation simulations.
• Proficiency in SPICE or MATLAB for transient analysis and loop-stability modeling.

Culture & Benefits

• Work on portable devices combining advanced AI with next-generation hardware.
• Full-time employment with a US annual base salary range of $120,000–$300,000.
• Total compensation may include additional components and benefits depending on the role.