Navitas Systems LLC, a leader in comprehensive energy storage solutions, was formed in 2011 with the merger of MicroSun Innovative Energy Storage Solutions and MicroSun 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.
OverviewNavitas 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.
Responsibilities- 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
QualificationsEducation and Experience
- 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.
Knowledge, Skills and Abilities
- 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 and microscopy, and build prototype wiring harnesses.
- Proficiency with communication protocols such as SPI, I2C, CANOpen, J1939, and UDS.
- Experience with Continuous Integration/Continuous Deployment (CI/CD) pipelines to streamline testing and deployment.
- Familiarity with container technologies, such as Docker, is a plus.
- Strong problem-solving skills with the ability to perform detailed analysis and identify root causes.
East Penn Benefits
Navitas/East Penn offers excellent benefits:
- Competitive compensation
- Group health insurance that includes high quality medical, dental, vision and prescription coverage with a low employee premium
- Retirement Savings Plan with company match and a 3% employer contribution
- Paid company holidays and Paid Time Off (PTO)
- Employee assistance program
- Fitness Discounts
- Promotional opportunities
At Navitas/East Penn, our employees are our culture; our employees will always be the heart of the company. We are a private, family-owned enterprise committed to cultivating an atmosphere that honors the contributions of everyone. We want our employees to have long-term careers, and many do. More than 38% of our workforce has over a decade of service. Our open-door management policy, comprehensive benefits package, employee appreciation and recognition events, and career advancement opportunities are just some of the ways we show our employees how incredibly valued they are.
EOE/VEVRAA
Skills Required
- Master's degree in Electrical Engineering, Computer Science, or Computer Engineering preferred; alternatively, a bachelor's degree in a related field with relevant certifications or graduate-level coursework
- 15+ years of embedded systems work experience
- 7+ years of experience working with battery or relevant energy systems
- Expert-level knowledge of BMS firmware, electronics, and system-level design
- Deep understanding of lithium-ion battery behavior, protection strategies, and safety mechanisms
- Experience defining and evolving system architectures across multiple product generations
- Advanced proficiency with SPI, I2C, CAN, CANOpen, J1939, and UDS
- Experience with verification, validation, and compliance in regulated or safety-critical environments
- Exceptional analytical and complex-system problem-solving skills, including root-cause analysis
- Must be a U.S. citizen, lawful permanent resident, protected individual, or eligible to obtain required ITAR authorizations
East Penn Manufacturing Compensation & Benefits Highlights
The following summarizes recurring compensation and benefits themes identified from responses generated by popular LLMs to common candidate questions about East Penn Manufacturing and has not been reviewed or approved by East Penn Manufacturing.
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Healthcare Strength — Health coverage is characterized as strong, including comprehensive medical, dental, vision, and prescription options along with company-paid life and short-term disability insurance. Out-of-pocket costs are described as low, and supportive resources like EAP and health advocacy are available.
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Strong & Reliable Incentives — Annual bonuses and profit-sharing contributions are consistently part of the package. Additional perks such as company events and discounts complement these incentives.
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Affordable Benefits — Low out-of-pocket medical costs are highlighted as a meaningful advantage. Employer-paid insurance protections help reduce employee premium burden.
East Penn Manufacturing Insights
What We Do
East Penn Manufacturing is a private, family-owned battery and energy-storage manufacturer. It produces lead-acid batteries, power-storage systems, accessories, and related solutions for automotive, transportation, motive-power, reserve-power, telecommunications, renewable-energy, and other applications. Founded in Pennsylvania, the company has grown from a small battery business into one of the world’s leading battery manufacturers, with thousands of employees, extensive distribution operations, and a broad product portfolio.







