ZipRecruiter

Log In

1

Freelance Battery Test Engineer Jobs (NOW HIRING)

Canoo

Sr. Battery Pack Test Engineer

Oklahoma City, OK · On-site

Job Title Senior Battery Pack Test Engineer About Canoo Canoo's mission is to bring EVs to Everyone and build a world-class team to deploy this sustainable mobility revolution. We have developed ...

Canoo

Battery Pack Test Engineer

Oklahoma City, OK · On-site

Job Title Battery Pack Test Engineer About Canoo Canoo's mission is to bring EVs to Everyone and build a world-class team to deploy this sustainable mobility revolution. We have developed ...

Canoo

Battery Pack Test Engineer

Oklahoma City, OK · On-site

$90 - $130/hr

Locations Showing 1 location Description Job Title Battery Pack Test Engineer About Canoo Canoo's mission is to bring EVs to Everyone and build a world-class teamto deploy this sustainable mobility ...

Joby Aviation

Battery Test Systems Engineer

San Carlos, CA · On-site

$134K - $184K/yr

Overview Joby Aviation is seeking a hands-on engineer with strong fundamentals to join our Battery Safety team as a Battery Test Systems Engineer. As a key member of this high performing team, you ...

Joby Aviation

Battery Test Systems Engineer

San Carlos, CA · On-site

$134K - $184K/yr

Joby Aviation is seeking a hands-on engineer with strong fundamentals to join our Battery Safety team as a Battery Test Systems Engineer. As a key member of this high performing team, you will have a ...

Joby Aviation

Battery Test Systems Engineer

San Carlos, CA · On-site

$134K - $184K/yr

Overview Joby Aviation is seeking a hands-on engineer with strong fundamentals to join our Battery Safety team as a Battery Test Systems Engineer. As a key member of this high performing team, you ...

Rivian

Battery Test and Validation Engineer II

Normal, IL · On-site

$90 - $125/hr

Role Summary As a Battery Test and Validation Engineer II, you will be a key contributor to the battery test team in Normal, IL driving and executing the testing of current and next generation high ...

Joby Aviation

Battery Test Systems Engineer

San Carlos, CA · On-site

$134.10 - $184.30/hr

Overview Joby Aviation is seeking a hands-on engineerwithstrong fundamentalsto join our Battery Safety team as a Battery Test Systems Engineer.As a key member of thishighperformingteam,you will have ...

Canoo

Sr. Battery Pack Test Engineer

Oklahoma City, OK · On-site

$90 - $130/hr

As the Sr. Battery Test Engineer, you will be expected to communicate cross‑functionally across all engineering disciplines to engineer and deliver high‑quality Battery Pack and Energy Storage ...

previous pagenext page

Showing results 21-40

All Jobsfreelance JobsManufacturing JobsChemical Plants JobsBattery Engineer JobsFreelance Battery Test Engineer Jobs

Freelance Battery Test Engineer information

See salary details

$24

$46

$60

How much do freelance battery test engineer jobs pay per hour?

As of Sep 6, 2026, the average hourly pay for freelance battery test engineer in the United States is $46.61, according to ZipRecruiter salary data. Most workers in this role earn between $40.38 and $54.09 per hour, depending on experience, location, and employer.

What does a freelance battery test engineer do?

A Freelance Battery Test Engineer specializes in evaluating the performance, safety, and reliability of batteries used in various applications such as electric vehicles, consumer electronics, and renewable energy systems. They design and conduct tests to assess battery capacity, cycle life, thermal behavior, and compliance with industry standards. Working independently, freelance engineers often collaborate with multiple clients, analyze test data, troubleshoot issues, and provide technical reports. Their expertise helps manufacturers improve battery design and ensures products meet regulatory and safety requirements.

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

To thrive as a Freelance Battery Test Engineer, you need strong expertise in electrical engineering principles, battery chemistries, and hands-on testing methodologies, often supported by a relevant engineering degree or equivalent experience. Familiarity with battery testing equipment, data acquisition systems, and software tools like LabVIEW or MATLAB is typically required. Excellent problem-solving, communication, and project management skills are essential for collaborating with clients and delivering reliable results independently. These skills ensure accurate performance assessments, client satisfaction, and high-quality outcomes in a competitive freelance environment.

What are some common challenges faced by freelance battery test engineers, and how can they be addressed?

Freelance battery test engineers often encounter challenges such as securing consistent project work, adapting to varying client testing protocols, and staying updated on evolving battery technologies. To address these, it's important to build a diverse client network, maintain clear communication to understand each client's specific requirements, and invest time in ongoing professional development. Additionally, effective project management and investing in reliable testing equipment can help deliver high-quality results and foster client trust.

What is the difference between Freelance Battery Test Engineer vs Battery Test Technician?

AspectFreelance Battery Test EngineerBattery Test Technician
CredentialsEngineering degree, certifications in battery testingTechnical diploma or associate degree
Work EnvironmentIndependent, project-based, often remote or client sitesLaboratory or manufacturing facility
Employer/IndustryFreelance/contract basis, automotive, electronics industriesCompany-employed, battery manufacturing or R&D

The main difference is that a Freelance Battery Test Engineer works independently on various projects, often with specialized expertise, while a Battery Test Technician is typically employed by a company to perform routine testing and maintenance in a lab or production setting. Freelance engineers focus on design and analysis, whereas technicians handle day-to-day testing tasks.

More about Freelance Battery Test Engineer jobs

What cities are hiring for Freelance Battery Test Engineer jobs?

Cities with the most Freelance Battery Test Engineer job openings:

What are the most commonly searched types of Battery Test Engineer jobs?

The most popular types of Battery Test Engineer jobs are:

What states have the most Freelance Battery Test Engineer jobs?

States with the most job openings for Freelance Battery Test Engineer jobs include:

What job categories do people searching Freelance Battery Test Engineer jobs look for?

The top searched job categories for Freelance Battery Test Engineer jobs are:

Freelance Battery Test Engineer jobs near you
Infographic showing various Freelance Battery Test Engineer job openings in the United States as of August 2026, with employment types broken down into 1% As Needed, 85% Full Time, 11% Part Time, 2% Contract, and 1% Nights. Highlights an 92% Physical, 1% Hybrid, and 7% Remote job distribution, with an average salary of $96,943 per year, or $46.6 per hour.

Engineering Technician - Battery Test

Stealth Battery Startup

San Jose, CA • On-site

$25.75 - $35.25/hr

Full-time

Re-posted 3 days ago

Job description

About the Company
We are a stealth-mode battery startup developing cutting-edge battery technology. Our mission is to revolutionize battery technology to accelerate the global transition to clean energy. By leveraging innovative materials and advanced manufacturing techniques, we are building the future of sustainable energy.
Can't find the company name?
It's not you, it's us! We're really excited about the potential of our technology, product, and mission, and have chosen to remain in stealth mode. If the job description piques your interest, please apply. If your skillset is aligned with what we're looking for, the team will reach out to schedule your interview and tell you a bit more about us (e.g. who we are).
Role
We are seeking a Engineering Technician - Battery Test to support the execution of lithium-ion battery testing across the cell, module, and high-voltage (HV) pack levels. This role is highly hands-on and focused on building, operating, maintaining, and troubleshooting battery test systems while working closely with test engineers and cross-functional engineering teams.
This is a role for you if you enjoy working in a laboratory environment, have strong mechanical and electrical aptitude, and take pride in building reliable test setups and producing high-quality test data. Previous experience with lithium-ion battery testing is preferred, while high-voltage battery experience is a plus but not required.
Responsibilities
Battery Test Execution
  • Build, install, and operate battery test setups under the guidance of test engineers.
  • Prepare and test lithium-ion cells, modules, and high-voltage battery packs.
  • Safely install and connect battery hardware, instrumentation, and support equipment.
  • Execute battery tests including: Performance characterization, Cycle life and aging, Rate capability, Power and resistance testing, Environmental and thermal testing, Validation and durability testing
  • Monitor active tests and respond appropriately to alarms, faults, or abnormal test behavior.
  • Maintain detailed test logs and document observations throughout testing.

Test Equipment & Lab Support
  • Configure and operate battery cyclers (Maccor, AVL, Neware, or similar systems).
  • Assemble test fixtures, wiring harnesses, instrumentation, and support hardware.
  • Install thermocouples, voltage taps, current sensors, pressure sensors, and other instrumentation.
  • Operate environmental chambers and supporting laboratory equipment.
  • Perform routine calibration, maintenance, and troubleshooting of laboratory equipment.
  • Help maintain an organized, safe, and efficient battery laboratory.

High Voltage & Lab Safety
  • Follow laboratory safety procedures for battery testing, including HV safety practices where applicable.
  • Verify proper test setup before energizing battery systems.
  • Perform pre-test inspections and equipment checks.
  • Support continuous improvement of laboratory safety procedures and best practices.

Data Collection & Documentation
  • Verify accurate data acquisition from battery cyclers, DAQ systems, and instrumentation.
  • Organize and archive test data.
  • Assist engineers with basic data review and reporting.
  • Record hardware configurations, serial numbers, and test conditions.
  • Help develop and improve laboratory work instructions and test procedures.

Troubleshooting
  • Diagnose electrical, mechanical, and instrumentation issues with test setups.
  • Replace damaged cables, connectors, sensors, and fixtures as needed.
  • Assist engineers with failure investigations and root cause analysis.
  • Help improve test reliability, repeatability, and laboratory efficiency.

Cross-Functional Support
  • Work closely with battery test, systems, electrical, mechanical, manufacturing, and BMS engineering teams.
  • Support prototype builds and engineering development activities.
  • Assist with assembly, disassembly, inspection, and teardown of cells, modules, and battery packs before and after testing.

Qualifications
  • Associate's degree, technical certification, military technical experience, or equivalent hands-on experience in electrical, mechanical, automotive, or related fields.
  • Strong mechanical and electrical aptitude.
  • Experience using common laboratory tools and equipment (multimeters, oscilloscopes, power supplies, hand tools, crimpers, etc.).
  • Ability to read electrical schematics and mechanical drawings.
  • Strong attention to detail and commitment to safety.
  • Comfortable working in a hands-on laboratory environment.
  • Ability to lift up to 50 lb and work around laboratory equipment and battery systems.

Preferred Qualifications
  • Experience testing lithium-ion cells, modules, or battery packs.
  • Experience operating battery cyclers (Maccor, AVL, Neware, or similar).
  • High-voltage battery experience or HV safety training.
  • Familiarity with CAN communication and basic BMS operation.
  • Experience with thermal chambers, DAQ systems, or environmental testing.
  • Basic experience with MATLAB, Python, Excel, or similar tools for reviewing test data.
  • Experience in automotive, EV, aerospace, energy storage, or battery manufacturing environments.

Physical Requirements
  • Ability to sit, stand, and perform repetitive assembly tasks for extended periods.
  • Ability to lift up to 50 pounds with or without reasonable accommodation.
  • Ability to perform fine motor tasks requiring dexterity and precision.
  • Ability to wear required PPE and work in dry room or controlled-environment conditions.

Why Join Us?
  • Innovative Technology: Work on cutting-edge energy storage solutions that power the future.
  • Career Growth: Opportunities to work on high-impact projects and advance in a growing industry.
  • Competitive Benefits: Comprehensive health, wellness, and professional development programs.
  • Mission-Driven Culture: Be part of a team that is shaping the future of sustainable energy through innovation and excellence.

We are an equal opportunity employer and we do not discriminate on the basis of race, gender, sexual orientation, gender identity/expression, national origin, disability, age, genetic information, veteran status, marital status, pregnancy or related condition, or any other basis protected by law.

Apply