Senior Battery Systems Engineer (Energy Storage)

Location: Fully on-site at 100 Hooper, San Francisco, California, United States; occasional travel to sites and vendors up to 10% of the time.

Salary: $160,000–$215,000 USD per year.

Company

hirify.global recovers, refines, and redeploys critical minerals from end-of-life batteries and develops energy storage systems using proprietary in-house technology.

What you will do

• Lead cross-functional integration of new OEM battery packs from technical intake through validation and deployment.
• Own system architecture, performance requirements, and functional requirements for integrated battery packs; derive subsystem and component requirements.
• Define and maintain mechanical, electrical, communication, and software interfaces between OEM packs and energy storage systems.
• Lead technical discussions with OEMs and suppliers, obtain pack data, resolve integration issues, and align on engineering solutions.
• Lead DFMEAs, hazard analyses, and risk assessments; track mitigation actions to closure.
• Ensure integrated systems comply with applicable UL and industry standards.

Requirements

• Bachelor’s degree in Electrical Engineering, Mechanical Engineering, or a related field with 5+ years of systems or design engineering experience, or a Master’s degree with 3+ years of experience.
• Working knowledge of lithium-ion battery pack architecture, battery management systems, and pack communication protocols including CAN, Modbus, and Ethernet.
• Experience with energy storage systems, hybrid or electric powertrain development, or PV system development.
• Ability to write clear, testable engineering requirements and manage them in a requirements management tool.
• Effective communication skills for technical alignment across engineering disciplines and with external OEMs.
• Ability to travel to sites and vendors up to 10% of the time.

Culture & Benefits

• Full-time employment with compensation commensurate with experience.
• On-site work is required, with occasional travel to sites and vendors.