Battery Engineer Jobs in California (NOW HIRING)

We anticipate the application window for this opening will close on - 7 Aug 2026
At MiniMed, you can begin a lifelong career of exploration and innovation, while helping make a difference in the lives of people living with diabetes around the globe. You'll lead with purpose, breaking down barriers to innovation for a more connected, compassionate world.
About the Role
We are looking for a dynamic Battery Engineer professional who specializes in designing, developing, and testing batteries for portable medical devices. This role blends expertise in electrochemistry, materials science, and electrical engineering to ensure batteries meet safety, reliability, and performance requirements, while adhering to cost targets / budget.
Ready to make an impact? Apply now and join our team!
Responsibilities may include the following and other duties may be assigned.
On Site Role

• Design & Development: Research and select battery technologies tailored for handheld medical devices, focusing on energy density, storage, aging, and safety
• Testing & Analysis: Write test plans and run tests for performance under various conditions. This will include data analysis and technical presentation
• Documentation: Requires publication of plans and reports in product life management system
• Integration: Work with product design teams to integrate batteries into handheld medical devices, ensuring optimal fit, function, and user experience
• Manufacturing Interface: Collaborate with battery manufacturer representatives to ensure compliance with battery requirements, internal quality standards and use case model
• Troubleshooting: Identify and resolve technical issues affecting battery performance, lifespan, and reliability
• Cross-Functional Collaboration: Partner with systems, mechanical, and quality engineers

Skills:

• Strong understanding of electrochemistry and battery materials (electrodes, electrolytes, separators)
• Proficiency in battery accelerated aging for performance prediction
• Experience with cell fabrication, testing, and failure analysis
• Ability to work in a team-oriented, fast-paced environment and communicate technical concepts to non-specialists

Must Have: Minimum Requirements
To be considered for this role, please ensure the minimum requirements are evident on your resume.

• Bachelor's degree in Electrical Engineering, Chemical Engineering, Materials Science, or a related field with 7+ years of relevant experience or advanced degree with 5+ years of relevant experience.

#BetterDaysStartNow
Physical Job Requirements
The above statements are intended to describe the general nature and level of work being performed by employees assigned to this position, but they are not an exhaustive list of all the required responsibilities and skills of this position.
The physical demands described within the Responsibilities section of this job description are representative of those that must be met by an employee to successfully perform the essential functions of this job. Reasonable accommodations may be made to enable individuals with disabilities to perform the essential functions. For Office Roles: While performing the duties of this job, the employee is regularly required to be independently mobile. The employee is also required to interact with a computer and communicate with peers and co-workers. Contact your manager or local HR to understand the Work Conditions and Physical requirements that may be specific to each role.
Benefits & Compensation
MiniMed offers a competitive salary and flexible benefits package
At MiniMed, we put people first. A commitment to our employees lives at the core of our values: We recognize their contributions. They share in the success they help create. We offer a wide range of benefits, resources, and competitive compensation plans designed to support you at every stage of your career and life.
Salary ranges for U.S (excl. PR) locations (USD):$109,000.00 - $185,000.00
For roles located in California, Seattle WA, Washington DC, Boston MA, and New York City, the salary range is $121,000 - $205,000 USD.
Actual compensation may vary based on factors including experience, education, certifications, skills, market conditions, internal equity, and geographic location. Compensation and benefits information pertains solely to candidates hired within the United States (local market compensation and benefits will apply for others).
This position is eligible for a short-term incentive called the Short Term Incentive (STI).
At MiniMed, we are committed to supporting the well-being and financial security of our employees. Regular employees working 20 or more hours per week are eligible for a robust benefits package, including health, dental, and vision insurance, as well as access to a Health Savings Account, Healthcare Flexible Spending Account, life insurance, long-term disability leave, and a dependent daycare spending account. In addition, all regular employees enjoy incentive plans, a 401(k) plan with company match, short-term disability coverage, paid time off and holidays, participation in our Employee Stock Purchase Plan, and access to our Employee Assistance Program. Eligible employees may also benefit from our Non-qualified Retirement Plan Supplement and Capital Accumulation Plan, subject to IRS minimum earnings requirements. Please note that "regular employees" refers to those who are not temporary staff, such as interns, and some benefits may not apply to employees in Puerto Rico.
For further details about our comprehensive benefits, we encourage you to visit the link below.
MiniMed Benefits Overview
About MiniMed
MiniMed is a full-stack insulin delivery company dedicated to supporting people living with diabetes through every step of their journey - when and how they need it. For more than 40 years, we've been committed to redefining what's possible: intelligent dosing systems designed for real life, predictive insights that stay a step ahead, and always on support when it's needed most. At the heart of everything we do is a simple Mission: to make every day a better day for people with diabetes.
Learn more about our business, and our mission here.
It is the policy of MiniMed to provide equal employment opportunity (EEO) to all persons regardless of age, color, national origin, citizenship status, physical or mental disability, race, religion, creed, gender, sex, sexual orientation, gender identity and/or expression, genetic information, marital status, familial status, membership or activity in a local human rights commission, status with regard to public assistance, veteran status, or any other characteristic protected by federal, state, or local law. In addition, MiniMed will provide reasonable accommodations for qualified individuals with disabilities.
If you are applying to perform work for MiniMed in any position which will involve performing at least two (2) hours of work on average each week within the unincorporated areas of Los Angeles County, you can find here a list of all material job duties of the specific job position which MiniMed reasonably believes that criminal history may have a direct, adverse and negative relationship potentially resulting in the withdrawal of a conditional offer of employment. MiniMed will consider for employment qualified job applicants with arrest or conviction records in accordance with the Los Angeles County Fair Chance Ordinance for Employers and the California Fair Chance Act.