BMS Software Development Engineer

Responsibilities

• Develop operating state machines, mode management, and supervisory coordination across controllers.
• Implement high-voltage sequencing, contactor control and diagnostics, interlock handling, and precharge verification.
• Develop battery protection strategies, current and power limit arbitration, cell balancing logic, thermal management controls, and diagnostic behavior.
• Aggregate system states, propagate and announce faults, and manage calibration parameters and estimation-model integration.
• Develop model-based application software and handwritten C, with requirements traceability and design documentation.
• Support safety and security analyses, validation debugging, root cause analysis, and field issue resolution.

Requirements

• Bachelor's degree in Electrical, Computer, Mechatronics, Controls, or Mechanical Engineering.
• At least 5 years of experience developing embedded application or control software for electronic control units.
• Proficiency with model-based development and production code generation, plus working C ability.
• Production-program experience designing state machines, sequencing, and diagnostic strategies.
• Experience with requirements-driven development, traceability, unit testing, and code reviews.
• Ability to debug control behavior directly on hardware, benches, and instrumentation.
• Preferred qualifications include a relevant master's degree, battery management and high-voltage system experience, functional safety development, calibration and parameter management, distributed-controller coordination, and thermal management control strategy experience.
• Strong written and verbal communication skills, occasional travel availability, and legal authorization to work in the United States are required; visa sponsorship is unavailable.

Benefits

• Immediate medical, dental, vision, and prescription drug coverage.
• Flexible family care days, paid parental leave, new-parent programs, subsidized backup childcare, adoption and surrogacy reimbursement, and fertility benefits.
• Vehicle discount and management lease programs for employees and family members.
• Tuition assistance, employee resource groups, and paid community-service time off.
• Paid holidays, paid time off, and the option to purchase additional vacation time.
• Hybrid work arrangement requiring onsite work four or more days per week.