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Freelance Battery Management System Jobs (NOW HIRING)

CYNET SYSTEMS

Battery QA Engineer

Cupertino, CA · On-site

$55 - $60/hr

Experience with Battery Management System firmware including both QA and development. * Strong programming skills, preferably in Python, for test automation. * Experience using battery testers ...

Anduril Industries

Battery Engineer

Costa Mesa, CA · On-site

Battery management system (BMS) integration and validation * Cell, module, and pack level validation plan. Support bring-up, test, debug, and vehicle integration * Ramp plan from development units to ...

Apple

Battery Algorithm Specialist

Cupertino, CA · On-site

You will work with internal multi-functional teams to develop battery firmware, algorithm and battery management system (BMS) qualification protocols using system requirements, user profiles and the ...

Gotion, Inc.

Senior System Engineer - HV Battery

Fremont, CA · On-site

$114K - $156K/yr

Battery management system (BMS) performance and function is also a part of battery system engineer's responsibility, who need define and release BMS performance and function to BMS team as design ...

Anduril Industries

Battery Engineer

Costa Mesa, CA

$132K - $213K/yr

Battery management system (BMS) integration and validation * Cell, module, and pack level validation plan. Support bring-up, test, debug, and vehicle integration * Ramp plan from development units to ...

Anduril Industries

Battery Engineer

Costa Mesa, CA · On-site

$132K - $213K/yr

Battery management system (BMS) integration and validation * Cell, module, and pack level validation plan. Support bring-up, test, debug, and vehicle integration * Ramp plan from development units to ...

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Freelance Battery Management System information

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$132

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

As of Jun 12, 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 (BMS) Engineer, and why are they important?

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 (BMS) 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.
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Freelance Battery Management System jobs near you

Hardware Engineer, Power Management / Battery / Battery Management System

Rivet Industries

San Jose, CA • On-site

$150K - $175K/yr

Full-time

PTO

Posted 15 days ago

Job description

About Rivet
Rivet is an American company building integrated task systems - fusing hardened hardware with software, sensors, AI, and networking - for industrial workforces and defense personnel. We create capabilities that multiply the effectiveness of every individual and withstand the world's toughest environments.
We serve the people who build, operate, maintain, and defend our way of life. From technicians and engineers to first responders and service members, they embody the hard work, ingenuity, and meritocratic values that drive Western prosperity. Yet too often they are forced to rely on outdated tools that fail under modern pressures. Rivet exists to reset that priority.
At Rivet, you'll join a mission-driven team that fuses disciplines to deliver decisive outcomes where they matter most. Whether shaping our technology, strengthening our partnerships, or building our culture, every role here contributes to equipping the front lines with the modern systems they deserve.
EOE
Work Authorization Requirement: Due to the nature of our business and compliance with federal regulations, all candidates must be a "U.S. Person". Upon hire, you will be required to provide documentation verifying your status as a U.S. Citizen, a lawful permanent resident, or a protected individual under 8 U.S.C. 1324b(a)(3).
Role: Hardware Engineer, Power Management / Battery / Battery Management System
Location: 2550 N First Street Suite 250, San Jose, California 95131
Compensation*: $150,000-$175,000 + benefits
Role Description:
As a Hardware Engineer specializing in Power Management and Battery Systems, you'll develop the energy backbone of Rivet's devices. You will design DC-DC converters, integrate battery management systems, and optimize power delivery to meet demanding safety and certification requirements. Your work ensures that Rivet platforms achieve the reliability, efficiency, and endurance needed for mission-critical use.
Responsibilities:
The objective of this role is to design safe, efficient, and scalable power systems that enable Rivet devices to operate in rugged and resource-constrained environments. You will deliver hardware solutions that meet strict performance and certification requirements while supporting product integration and manufacturability.
Role Requirements:
  • Bachelor's, Master's, or PhD in Electrical or Computer Engineering.
  • Strong EE fundamentals with expertise in power management, DC-DC design, low-noise EMI DC-DC design, battery systems, or battery management (safety, certification, etc.).
  • 0-3 years of experience in hardware design, bring-up, validation, and debugging using EE test equipment.
  • 1-3 years of preferred experience designing hardware for mass-produced products with form factor and integration constraints.
  • Experience with schematic capture and PCB layout using Cadence or equivalent tools.
  • Ability to lead power hardware designs in a technical capacity.
  • Strong sense of ownership and ability to manage projects independently.
  • Eagerness to take on new challenges and continuously develop new skills.
  • Must be a US Person (citizen or permanent resident).

*Total compensation may vary within this range and is determined by years and level of relevant experience, job-related skills, education, and other factors. In addition to base salary, this role may be eligible for equity grants and other forms of compensation. Eligible employees also receive a competitive benefits package, including unlimited PTO.

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