Senior BMS Engineer

Navitas Systems LLC, a leader in comprehensive energy storage solutions, was formed in 2011 with the merger of Micro Sun Innovative Energy Storage Solutions and Micro Sun Electronics, and the acquisition of lithium battery company A123 Systems’ Government Solutions Group. In 2019, East Penn Manufacturing, one of the world’s leading battery manufacturers, acquired majority interest in Navitas Systems. In SEVEN remarkable decades, East Penn has grown from a one-room shop with a product line of five automotive batteries to one of the world’s leading battery manufacturers with over 10,500 full-time employees, 515 product designs, operations around the world, and hundreds of awards for industry excellence.

At our Navitas facilities we engage in the research, design, development, and manufacture of advanced lithium cells and energy storage products and systems for both commercial customers and U.S. Government/military customers. We invest in our people, they are and always will be the heart of this company. Are you ready to join a family-owned enterprise committed to honoring the contributions of everyone?

Then Navitas is the right place for you.

Navitas Systems is seeking a Sr. Battery Management System (BMS) Engineer to design, develop, and sustain advanced BMS solutions for lithium-ion battery products aimed at military, commercial, and industrial markets. This role focuses on the development of embedded firmware while supporting the integration of electrical hardware and system-level requirements. In this position, you will be responsible for creating design validation and verification documentation, supporting Design Validation (DV) and Production Validation (PV) testing, and ensuring that hardware and firmware meet the standards of quality, performance, and compliance.

• Design, develop, and test embedded firmware for Battery Management Systems.
• Assist in defining electrical, firmware, and system-level requirements.
• Collaborate closely with cross-functional teams, including hardware, software, mechanical, and testing, to ensure successful integration and delivery of battery systems.
• Conduct root cause analysis and troubleshoot issues with electronics and firmware to implement corrective actions and improvements.
• Support the development and deployment of end-of-line test apparatus and procedures for production testing.
• Design low-level drivers, algorithms, and application firmware.
• Develop algorithms related to OCV (Open Circuit Voltage), SOC (State of Charge), and SOH (State of Health).
• Utilize advanced embedded system development tools such as for coverage, static analysis, and performance profiling.
• Verify designs using hardware debugging tools such as mixed signal scopes, spectrum analyzers, power analyzers.
• Identify risk using DFMEA (Design Failure Mode and Effects Analysis) or FTA (Fault Tree Analysis).
• Other duties as assigned by management.

Management Responsibilities:
None

• Bachelor’s degree in electrical engineering, computer science, or computer engineering.
• 7+ years of embedded systems work experience.
• 5+ years of experience working with battery or relevant energy systems preferred.

• Excellent communication skills, with the ability to explain complex technical concepts to both technical and non-technical stakeholders.
• Practical experience with lithium-ion battery products including battery protection schemes and safety standards.
• Ability to develop clean, testable, and maintainable code, following professional software development practices.
• Ability to read and interpret schematics, circuit designs, and hardware documentation.
• Ability to perform PCB rework using hot-air stations…