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Freelance Battery Management System Jobs (NOW HIRING)

Sr. Battery Control Systems Engineer

Tustin, CA · On-site

$183K - $190K/yr

Develop an expertise in the controlled interactions between the Battery Management System (BMS) & the rest of the vehicle; become familiar with the battery measurement and controls architecture

Develop an expertise in the controlled interactions between the Battery Management System (BMS) & the rest of the vehicle; become familiar with the battery measurement and controls architecture

Senior Battery Controls Engineer

Oklahoma City, OK · On-site

$83K - $110K/yr

Develop high-quality firmware for battery management systems. * Lead troubleshooting and root cause analysis efforts to identify and resolve algorithm-related issues and implement corrective actions ...

Sr. Battery Control Systems Engineer

Tustin, CA · On-site

$175K - $181K/yr

Develop an expertise in the controlled interactions between the Battery Management System (BMS) & the rest of the vehicle; become familiar with the battery measurement and controls architecture

Sr. Engineer I - Battery Software

Irvine, CA · On-site

$130K - $172K/yr

Sr. Engineer I - Battery Software The Sr. Engineer I - Battery Software will develop battery management system (BMS) application software to achieve all functions based on software requirements ...

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Freelance Battery Management System information

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$47

$132

How much do freelance battery management system jobs pay per hour?

As of Aug 11, 2026, the average hourly pay for freelance battery management system in the United States is $47.71, according to ZipRecruiter salary data. Most workers in this role earn between $24.28 and $61.78 per hour, depending on experience, location, and employer.

What is the difference between Freelance Battery Management System vs Battery Engineer?

AspectFreelance Battery Management SystemBattery Engineer
CredentialsSelf-taught or specialized certifications, no formal degree requiredBachelor's or Master's in Electrical Engineering or related fields, professional certifications
Work EnvironmentIndependent projects, remote or on-site, client-basedCompany labs, R&D departments, manufacturing facilities
Industry UsageConsulting, product development, prototypingDesign, testing, and optimization of battery systems within organizations

Freelance Battery Management System professionals typically work independently on projects, focusing on system integration and consulting, while Battery Engineers are employed by companies to develop and improve battery technologies. Both roles require technical knowledge, but differ in work setting and credentials.

What are the key skills and qualifications needed to thrive as a freelance battery management system engineer?

To thrive as a Freelance Battery Management System Engineer, you need a solid background in electrical engineering, battery technology, and embedded systems, often backed by a relevant degree or equivalent experience. Familiarity with BMS design tools, circuit simulation software (like MATLAB/Simulink), and industry standards, as well as certifications such as IPC or ISO 26262, are commonly required. Strong problem-solving skills, effective communication, and the ability to work independently with clients are essential soft skills in this freelance role. These competencies ensure reliable system design, regulatory compliance, and successful project delivery in a competitive and rapidly evolving field.

What are the main challenges freelance battery management system engineers face when working with multiple clients?

Freelance BMS engineers often encounter challenges such as adapting to varying technical requirements, integrating with different hardware and software platforms, and aligning with diverse client expectations. Each project may involve unique battery chemistries, communication protocols, and safety standards, requiring quick learning and flexibility. Additionally, freelancers must manage their own schedules, coordinate remotely with cross-functional teams, and ensure clear communication to deliver high-quality solutions on time.

What is a freelance battery management system specialist?

A Freelance Battery Management System (BMS) specialist is a professional who works independently to design, develop, and maintain battery management systems for various applications, such as electric vehicles, renewable energy storage, and electronic devices. They are typically hired on a contract basis to provide expertise in monitoring, protecting, and optimizing battery performance and lifespan. Their work involves tasks like system integration, troubleshooting, and ensuring safe operation of batteries. Freelance BMS specialists often collaborate with engineers, manufacturers, and research teams to deliver tailored solutions. This role requires a strong background in electrical engineering, battery technologies, and relevant software tools.
More about Freelance Battery Management System jobs
What cities are hiring for Freelance Battery Management System jobs? Cities with the most Freelance Battery Management System job openings:
What are the most commonly searched types of Battery Management System jobs? The most popular types of Battery Management System jobs are:
What states have the most Freelance Battery Management System jobs? States with the most job openings for Freelance Battery Management System jobs include:
Infographic showing various Freelance Battery Management System job openings in the United States as of August 2026, with employment types broken down into 1% As Needed, 82% Full Time, 14% Part Time, and 3% Contract. Highlights an 92% Physical, 3% Hybrid, and 5% Remote job distribution, with an average salary of $99,230 per year, or $47.7 per hour.

Director of Engineering, Battery Systems

Edge Autonomy

Ann Arbor, MI

$185K - $210K/yr

Full-time

Medical, Dental, Vision, Retirement, PTO

Posted 13 days ago


Job description

WORK LOCATION: Ann Arbor, Michigan

FLSA STATUS: Exempt

SALARY RANGE: The anticipated salary range for this role is $185,000 to $210,000 annually. This range reflects a good faith estimate based on the targeted level for the role and typical compensation benchmarks across U.S. locations. Actual compensation may vary depending on the selected candidate's qualifications, experience, geographical location, and internal alignment.

SUMMARY

The Director of Engineering, Battery Systems is the senior technical and operational leader at Redwire Defense Tech (RDT) responsible for defining and executing the full lifecycle delivery of battery systems for Redwire's Unmanned Aircraft Systems (UASs). Working in close partnership with the CTO and UAS product owners, this role has full responsibility for the development, test, production, and sustainment of battery systems for Redwire's autonomous aircraft. The Director will lead a multidisciplinary engineering organization composed of hardware, software, and manufacturing engineers. This leader is accountable not only for innovation, but also for predictable program execution (cost, schedule, and quality), systems engineering rigor, production scalability, certification, safety, and customer satisfaction in an aerospace and defense environment.

RESPONSIBILITIES

The following job functions are a basic requirement but are not limited to and may be assigned other duties.

  • Serve as the product owner and technical authority for battery systems at RDT
  • Lead an engineering team to design and integrate emerging battery technologies into production end-user battery products, including battery cells, battery management system hardware and software, lightweight battery packaging, and battery chargers.
  • Own the battery R&D budget, including forecasting, resource planning, and cost control.
  • Lead engineering delivery across the full lifecycle: concept development, requirements definition, system architecture, design, integration, verification & validation (V&V), certification, production, and sustainment.
  • Define and execute a multi-year battery technology and product roadmap aligned with business objectives, production quantity, technical performance requirements, and emerging market opportunities in the UAS domain.
  • Act as a senior technical interface with customers, partners, and government stakeholders.
  • Collaborate with product management, sales, and program management to define requirements, value propositions, and product strategies.
  • Establish and monitor engineering KPIs and metrics, including quality, productivity, reliability, and delivery performance.
  • Ensure adherence to safety, quality, and environmental standards.
  • Ensure compliance with all relevant regulatory and industry standards (FAA, DoD, STANAG, UN 38.3, etc.).
  • Drive workforce planning, hiring, and succession development aligned with business growth.

REQURIED QUALIFICATIONS

The following are a non-exhaustive list of qualifications for the position:

  • Bachelor's degree in Engineering or related technical field.
  • 10+ years of progressively responsible experience in technology leadership roles, including experience in battery systems, UAS, defense, and/or robotics industries.
  • Deep understanding of integrated battery systems for UAS applications including:
    • Battery cell technologies (e.g. lithium ion and lithium polymer)
    • Battery management systems (BMS), both hardware and software components.
    • Battery packaging approaches to minimize weight while meeting certification requirements and safely surviving end-user abuse.
    • Battery certification and safety requirements (e.g. FAA, DoD, UN38.3)
    • Battery charger technologies, integration and packaging approaches, technical tradeoffs, and requirements
  • A functional understanding of drone systems and their associated battery constraints and operating requirements.
  • Experience delivering real battery products to end users in a production environment.

REDWIRE DEFENSE TECH BENEFITS

  • Matching 401(k)
  • Paid PTO
  • Paid holidays
  • Medical, vision, and dental insurance
  • Group Short-Term & Long-Term Disability
  • HSA and FSA Options
  • Critical Care Plan
  • Accident Care Plan
  • Employee Stock Purchasing Program (ESPP)

CLEARANCE REQUIREMENTS

This position may require access to information that is subject to compliance with the International Traffic Arms Regulations ("ITAR") and/or the Export Administration Regulations ("EAR"). To comply with the requirements of the ITAR and/or the EAR, applicants will be asked to provide specific documentation to verify a US person's status under the ITAR and the EAR.

WORK ENVIRONMENT AND PHYSICAL REQUIREMENTS

The work environment may involve a standard office setting while also incorporating elements of a production area. Employees will use standard office equipment, including computers, and must demonstrate stamina to sit or stand while maintaining attention to detail despite potential interruptions. The role may require occasional activities such as walking, climbing, stooping, crouching, and bending. Vision is necessary for reading printed materials and a computer screen, while hearing and speech are essential for effective communication both in person and over the telephone. Additionally, the position may necessitate travel by air or automobile. Employees may be required to use personal protective equipment, including safety glasses, safety shoes, and shop coats, to ensure safety in the production environment. Employees may be able to lift up to 50 pounds as needed.

REDWIRE DEFENSE TECH IS AN EQUAL OPPORTUNITY EMPLOYER

All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, disability, age, sexual orientation, gender identity, national origin, veteran status, or genetic information. Redwire Defense Tech is committed to providing access, equal opportunityand reasonable accommodation for individuals with disabilities in employment, its services, programs, and activities. To request reasonable accommodation, contact Human Resources. Continued employment remains on an "At-Will" basis.

Employment Type: full-time