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Full Time Battery Systems Engineer Jobs (NOW HIRING)

1X Technologies AS

Battery Test Engineer

San Carlos, CA · On-site

$106K - $146K/yr

About the Team The Energy Systems Engineering team develops the battery systems that power NEO throughout its daily operation. From cell characterization and battery management algorithms to pack ...

Rivian

Sr. Battery Engineer

Tustin, CA · On-site

If you are a selfstarter with strong battery systems expertise, a passion for diagnosing complex ... Full-time employee coverage is effective on their first day of employment. Part-time employee ...

BAE Systems

*Eng Sr Prin - Sys

Endicott, NY · On-site

$120K - $205K/yr

As a Propulsion Battery Systems Engineer at BAE Systems, you'll have the opportunity to design and develop cutting-edge propulsion battery systems for conventional aircraft, helicopters, and Advanced ...

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 ...

Gotion, Inc.

Senior System Engineer - HV Battery

Fremont, CA · On-site

$114K - $156K/yr

The Senior System Engineer is responsible to design & develop & release battery pack/Module system performance and requirements. Lead battery design team to develop a battery system to meet the ...

ALTEN Technology USA

Systems Engineer

Berkeley, CA

$115K - $130K/yr

Proficiency with electrical battery systems. * Proficiency with technical modeling and ... engineering domains and non-technical stakeholders. Salary Range * $115,000-130,000 * The actual ...

A123 Systems Corp.

Battery Modeling Engineer

Novi, MI · On-site

A123 Systems, LLC is a leading developer and manufacturer of advanced lithium-ion battery technologies and energy storage systems. Our solutions serve a wide range of applications, from traditional ...

A123 Systems LLC

Battery Modeling Engineer

Novi, MI · Hybrid

A123 Systems, LLC is a leading developer and manufacturer of advanced lithium-ion battery technologies and energy storage systems. Our solutions serve a wide range of applications, from traditional ...

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How much do full time battery systems engineer jobs pay per year?

As of Aug 10, 2026, the average yearly pay for full time battery systems engineer in the United States is $127,215.00, according to ZipRecruiter salary data. Most workers in this role earn between $98,000.00 and $157,000.00 per year, depending on experience, location, and employer.
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Full Time Battery Systems Engineer jobs near you

Battery Test Engineer

1X Technologies AS

San Carlos, CA • On-site

$106K - $146K/yr

Full-time

Medical, Dental, Vision, Life, Retirement, PTO

Posted 28 days ago

Job description

About 1X
We're building humanoid robots that work in home - doing the chores, handling the tasks, and giving people their time back. Simple, but it's not.
To do this right, we have to solve robotics, AI, manufacturing - at the same time, at scale, in a form factor that has to be safe enough to live with your family. If you're inspired by this, you'll thrive here. We've been at this since 2014 and we're at the point where the hard problems are behind us and the hard work is in front of us.
NEO is our flagship - a home robot designed to move, learn, and operate in the real world alongside real people. We're not demoing it - we're shipping it. We're excited to meet you, if this excites you.
If you've spent your career working on problems that matter and want to see them actually reach the world - this is that moment. We're scaling, we're hiring with intention, and we need people who want to build something that will genuinely change how humans spend their time - safely creating abundance for all.
About the Team
The Energy Systems Engineering team develops the battery systems that power NEO throughout its daily operation. From cell characterization and battery management algorithms to pack design and system-level energy optimization, the team is responsible for delivering safe, reliable, and high-performance energy systems for humanoid robotics.
Battery performance directly impacts robot capability, runtime, reliability, and user experience. This team works closely with hardware, firmware, controls, robotics, and fleet operations teams to ensure our battery systems perform safely and predictably under demanding real-world conditions.
Your Charter
Generate the data that drives battery performance, reliability, and safety.
You will design and execute battery testing programs that characterize cells, modules, packs, and complete robotic battery systems under realistic operating conditions. Your work will provide the foundation for battery algorithms, hardware validation, fleet analysis, and long-term reliability improvements.
As a Battery Test Engineer, you will play a critical role in understanding how batteries behave in the real world and ensuring our energy systems meet the demands of humanoid robotics.
Key Outcomes
  • Develop and execute battery test campaigns that generate high-quality data for performance, aging, safety, and reliability analysis
  • Create robotic duty-cycle test profiles that accurately represent real-world operating conditions, including transient loads, regenerative events, and continuous operation
  • Identify battery degradation mechanisms, failure modes, and performance limitations through structured testing and analysis
  • Support validation of battery management systems, including SoC, SoH, fault detection, and protection strategies
  • Deliver actionable insights and recommendations that improve battery design, algorithms, safety, and field performance
Key Competencies
  • Strong understanding of lithium-ion battery behavior, degradation mechanisms, and safety considerations
  • Hands-on laboratory experience with battery testing equipment and experimental validation methods
  • Strong analytical mindset with the ability to extract meaningful insights from large datasets
  • Excellent troubleshooting and root-cause analysis skills
  • Strong communication and documentation skills that support cross-functional engineering collaboration

Minimum Requirements
  • BS or MS in Electrical Engineering, Mechanical Engineering, Energy Systems, or a related field
  • 2+ years of experience in battery testing, validation, reliability engineering, or a related field
  • Hands-on experience working with lithium-ion cells, modules, or battery packs
  • Experience operating battery cyclers, environmental chambers, and laboratory test equipment
  • Experience analyzing test data using Python, MATLAB, or similar technical computing tools
  • Comfortable working in laboratory environments and following rigorous safety procedures

Preferred Skills
  • Experience testing batteries for robotics, automotive, aerospace, industrial equipment, or other high-reliability systems
  • Familiarity with battery management systems (BMS), SoC/SoH estimation, and battery algorithms
  • Experience developing automated test systems and scripting test workflows
  • Familiarity with battery safety and certification standards such as UN38.3, IEC 62133, UL, or ISO 26262
  • Experience with environmental, thermal, vibration, abuse, or durability testing
  • Experience analyzing field data and supporting fleet-level reliability investigations

What does a successful 1X Team Member look like?
Team members at 1X who thrive here are builders. They move fast, own their work completely, and treat time like it's the one thing you can't get back - because it is. They say what they mean, finish what they start, and hold themselves to a standard before anyone has to ask. We push each other to be better, and we do it with honesty and respect.
Successful Battery Test Engineers at 1X are deeply curious about how systems behave in the real world. They combine rigorous experimental methods with practical engineering judgment, moving quickly from questions to data to decisions. They care about safety, reliability, and creating the insights that allow better products to be built.
Compensation Range
$106,400 - $146,300 + Equity
Benefits
  • Comprehensive medical, dental, and vision coverage
  • Generous paid time off, company holidays, and parental leave
  • 401(k) plan with company match (100% on the first 3% of contributions, 50% on the next 2%)
  • Flexible Spending Accounts (FSA) and Health Savings Accounts (HSA) options
  • Commuter benefits (transit and parking)
  • Short-term and long-term disability, and life insurance
  • Employee Assistance Program (EAP) for mental health, financial, and personal support
  • Onsite snacks and catered lunches

Equal Opportunity Employer
1X is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, gender, gender identity or expression, sexual orientation, national origin, ancestry, citizenship, age, marital status, medical condition, genetic information, disability, military or veteran status, justice system impact, or any other characteristic protected under applicable federal, state, or local law.

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