Senior Battery Engineer

Senior Battery Engineer (Full-Time) Boston, MA   Duties:   Lead the design, qualification, and lifecycle sustainment of lithium-ion battery systems that power WHOOP’s advanced wearable technology. This role is critical to achieving the highest levels of energy density, reliability, and safety in compact, high-performance form factors. Serve as the technical lead for WHOOP’s battery systems, driving development across internal engineering teams and external partners. Drive innovation in cell design and integration to support long-lasting, compact energy systems that meet WHOOP’s demanding performance standards. Own the batteries subsystem and ensure optimal reliability and safety under real- world use conditions. Collaborate with electrical, mechanical, firmware, reliability, and quality engineers to optimize battery system performance in a multidisciplinary development environment. Lead the creation and execution of test plans, including Design of Experiments (DOE), performance validat