Hark

Hark

Electrical Engineer

San Jose · Full-time

Sponsorship not specified$120k-$300kDetected 83 days ago
MATLABAlgorithmsAgentic AIComplianceThermal AnalysisPCB DesignEMI/EMC

About the role

  • You will be responsible for ensuring our products are safe, efficient, and long-lasting.
  • From selecting the right battery chemistry to fine-tuning PMIC registers and creating complex power models, you will ensure every milliwatt is accounted for.

Responsibilities

  • Battery Management: Lead the selection, characterization, and safety validation of Li-ion/Li-poly battery cells.
  • Power Modeling & Simulation: Develop detailed power models to predict battery life across various user scenarios (idle, peak load, standby).
  • Charging Systems: Design and optimize wired (USB-C PD) and/or wireless charging circuits, ensuring thermal stability and fast-charging compliance.
  • Efficiency Analysis: Conduct bench-level efficiency measurements for DC-DC converters (Buck, Boost, LDO) and optimize firmware settings for peak performance.
  • Peak Power Management: Develop power model and management strategy to overcome system brownout.
  • Regulatory Compliance: Ensure power designs meet global safety standards (UL, IEC, UN38.3) and EMI/EMC requirements
  • Hark is an artificial intelligence company building advanced, personalized intelligence.
  • We're pairing that intelligence with next-generation hardware to create a universal interface between humans and machines.

Requirements

  • PMIC Expertise: Hands-on experience integrating and configuring high-performance PMICs (e.g., Qualcomm, TI, Nordic, or Maxim).
  • PDN Integrity: Strong understanding of PCB layout for power, focusing on minimizing losses and managing high-current paths.
  • Proficiency in SPICE or MATLAB for transient analysis and loop stability modeling.
  • Strong understanding of PCB layout for power, focusing on minimizing losses and managing high-current paths.

Nice to have

  • Software Familiarity: Experience working with software team on driver-level power management or I2C/SMBus communication.
  • Thermal Modeling: Experience using tools like Flotherm or Icepak to simulate the thermal impact of power dissipation.
  • Simulation: Proficiency in SPICE or MATLAB for transient analysis and loop stability modeling.
  • The pay offered for this position may vary based on several individual factors, including job-related knowledge, skills, and experience.
  • This information will be shared if an employment offer is extended.

Skills

  • Expert-level skills using power analyzers, electronic loads, and high-resolution current sense tools.
  • Experience using tools like Flotherm or Icepak to simulate the thermal impact of power dissipation.

Compensation

  • The US base salary range for this full-time position is between $120,000 - $300,000 annually.
  • The pay offered for this position may vary based on several individual factors, including job-related knowledge, skills, and experience.
  • The total compensation package may also include additional components/benefits depending on the specific role.
  • This information will be shared if an employment offer is extended.

Benefits

  • One that is proactive, multimodal, and capable of interacting with the world through speech, text, vision, and persistent memory.
  • Bonus Qualifications
  • Education: BS/MS in Electrical Engineering.
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