Senior Battery Engineer (Hardware)

TL;DR

Senior Battery Engineer (Hardware): Leading the design, qualification, and lifecycle sustainment of lithium-ion battery systems for advanced wearable technology with an accent on energy density, reliability, and safety. Focus on optimizing cell design, implementing predictive modeling using ML, and ensuring global safety certification compliance.

Location: On-site in Boston, MA

Salary: $146,786 – $185,000 per year

Company

hirify.global develops advanced wearable technology focused on human performance and health optimization.

What you will do

• Lead the design and qualification of lithium-ion battery systems for compact, high-performance wearables.
• Drive innovation in cell design and integration to maximize energy density and reliability.
• Collaborate with electrical, mechanical, and firmware engineers to optimize the battery management system (BMS) and fuel gauge.
• Execute complex test plans using Design of Experiments (DOE) and perform root cause failure analysis.
• Evaluate and qualify battery suppliers while ensuring compliance with international standards (UL, CE, IEC).
• Mentor junior engineers and contribute to the technical roadmap for future battery innovations.

Requirements

• Bachelor's degree in Chemical, Mechanical, or Electrical Engineering (or related field).
• Must be based in Boston, MA for on-site work.
• 5+ years of experience with battery system design (Bachelor's) or 2+ years (Master's).
• Minimum 2 years of experience with Lithium-Ion cell design, battery chemistry, and predictive modeling using machine learning.
• Proficiency in Python or similar scripting tools for test data analysis and visualization.
• Hands-on experience with battery test equipment such as Arbin or Maccor.