BMS Principle Engineer

Actalent; United States; On-site; USD 85,962,000 - 100,289,000; Full time

Benefits offered by this job

Medical, dental & vision

401(k) Retirement Plan

Life Insurance

Disability Insurance

Health Spending Account (HSA)

Transit benefits

Employee Assistance Program

Paid Time Off

Job summary

Actalent is seeking a Principal BMS Engineer to steer system‑level architecture for multi‑generation BMS platforms. You will own technical direction, guide cross‑functional decisions, and ensure compliance with safety standards across firmware, electronics, and algorithms.

The role focuses on robust, scalable BMS solutions aligned with current and future roadmaps, including development of SOC/SOH/SOE algorithms and diagnostic strategies.

Qualifications

• Master’s or higher in EE/CS or related field with relevant certifications or graduate coursework.
• 15+ years embedded systems experience.
• 7+ years in battery or energy systems is preferred.

Responsibilities

• Serve as technical authority for BMS architecture across firmware, electronics, sensing, controls, and system integration.
• Define and maintain system-level BMS architecture, patterns, and standards across product lines.
• Lead technical trade studies for safety, performance, cost, manufacturability and maintainability.
• Establish best practices for embedded firmware architecture, hardware abstraction, diagnostics, and fault handling.
• Provide expert guidance on embedded firmware design, real‑time systems, and safety‑critical software.
• Guide development of core BMS algorithms: SOC, SOH, SOE, cell balancing, protection, diagnostics, degradation.
• Interpret and apply safety/compliance standards (UL, IEC, ISO) for BMS design.
• Drive system-level requirements decomposition, traceability, and verification strategy.
• Lead DFMEA, FTA, and risk assessments; ensure mitigation is implemented and verified.
• Guide end‑of‑line test strategies, diagnostics coverage, and service tools.
• Ensure BMS designs are manufacturable, testable, and serviceable at scale.
• Support long‑term sustainment and reliability improvements.

Skills

BMS firmware

System architecture

Embedded real‑time

Safety standards

Embedded protocols

Diagnostics & fault handling

Education

Master’s degree in Electrical Engineering or Computer Science

Bachelor’s degree with relevant certifications/graduate coursework

Job description

Job Description

The Principal BMS Engineer defines technical direction, owns system-level architecture decisions, ensures regulatory and functional safety compliance, and serves as the subject‑matter expert across firmware, electronics, algorithms, and system integration.

In this role, you will own and steward multi-generation BMS platforms, define system-level technical direction, and guide cross‑functional architectural decisions to ensure BMS solutions are robust, scalable, and aligned with current and future product roadmaps.

Responsibilities

• Serve as technical authority for BMS architecture, including firmware, electronics, sensing, controls, and system integration.


• Define and maintain system-level BMS architecture, design patterns, and technical standards across multiple product lines.


• Lead technical trade studies for safety, performance, cost, manufacturability, and long-term maintainability.


• Establish best practices for embedded firmware architecture, hardware abstraction, diagnostics, and fault handling.


• Provide expert‑level guidance on embedded firmware design, real‑time systems, and safety‑critical software.


• Lead development and review of core BMS algorithms, including SOC, SOH, SOE, cell balancing, protection, diagnostics, and degradation monitoring.


• Own interpretation and application of relevant safety and compliance standards (e.g., UL, IEC, ISO, functional safety guidance) as they relate to BMS design.


• Drive system‑level requirements decomposition, traceability, and verification strategy.


• Lead DFMEA, FTA, and system‑level risk assessments; ensure mitigation strategies are implemented and verified.


• Guide development of end‑of‑line test strategies, diagnostic coverage, and service tools.


• Ensure BMS designs are manufacturable, testable, and serviceable at scale.


• Support long‑term sustainment, reliability improvements, and continuous improvement initiatives.


• Other duties as assigned by management.

Qualifications

Education and Experience

• Master’s degree in Electrical Engineering, Computer Science, or Computer Engineering preferred; or 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 preferred.

Knowledge, Skills and Abilities

• Recognized expert in BMS firmware, electronics, and system‑level design.


• Deep understanding of lithium‑ion battery behavior, protection strategies, and safety mechanisms.


• Proven ability to define and evolve system architectures across multiple product generations.


• Advanced proficiency with embedded communication protocols (SPI, I2C, CAN, CANOpen, J1939, UDS).


• Strong experience with verification, validation, and compliance in regulated or safety‑critical environments.


• Exceptional analytical and problem‑solving skills, including root‑cause analysis of complex system issues.

Job Type & Location

This is a Permanent position based out of Ann Arbor, MI.

Pay and Benefits

The pay range for this position is $30.00 - $35.00/hr.

Eligibility requirements apply to some benefits and may depend on your jobclassification and length of employment. Benefits are subject to change and may besubject to specific elections, plan, or program terms. If eligible, the benefitsavailable for this temporary role may include the following:

• Medical, dental & vision


• Critical Illness, Accident, and Hospital


• 401(k) Retirement Plan – Pre‑tax and Roth post‑tax contributions available


• Life Insurance (Voluntary Life & AD&D for the employee and dependents)


• Short and long‑term disability


• Health Spending Account (HSA)


• Transportation benefits


• Employee Assistance Program


• Time Off/Leave (PTO, Vacation or Sick Leave)

Workplace Type

This is a fully onsite position in Ann Arbor,MI.

Application Deadline

This position is anticipated to close on Aug 26, 2026.

About Actalent

Actalent is a global leader in engineering and sciences services and talent solutions. We help visionary companies advance their engineering and science initiatives through access to specialized experts who drive scale, innovation and speed to market. With a network of almost 20,000 consultants and 5,000 clients across the U.S., Canada, Asia and Europe, Actalent serves many of the Fortune 500. We are proud to be an Engineering News-Record (ENR) Top 500 Design Firm for our engineering design services and a ClearlyRated Best of Staffing® winner for both client and talent service.

The company is an equal opportunity employer and will consider all applications withoutregard to race, sex, age, color, religion, national origin, veteran status, disability,sexual orientation, gender identity, genetic information or any characteristic protectedby law.

If you would like to request a reasonable accommodation, such as the modification oradjustment of the job application process or interviewing process due to a disability,please email [e-mail] for other accommodation options.

San Francisco Fair Chance Ordinance:

Pursuant to the San Francisco Fair Chance Ordinance, for all positions located in thecity and county of San Francisco, we will consider for employment qualified applicantswith arrest and conviction records.

Massachusetts Lie Detector:

It is unlawful in Massachusetts to require or administer a lie detector test as acondition of employment or continued employment. An employer who violates this lawshall be subject to criminal penalties and civil liability.

Use of Artificial Intelligence (AI):

We may use Artificial Intelligence (AI) to support parts of our hiring process,including sourcing, screening, and evaluating candidates. AI helps assess applicationsand qualifications, but final decisions are made by our hiring team. By applying, youacknowledge and agree that your application may be reviewed using AI tools.