Job Details

Battery Materials Characterization/TEM Engineer

Santa Clara, California, United States

Hardware

Summary

Posted: Sep 20, 2025

Role Number: 200620665-3760

Join our dynamic team and play a pivotal role in advancing the next generation of battery technologies! We are seeking a highly skilled and motivated Battery Materials Characterization Engineer with expertise in Transmission Electron Microscopy (TEM) to drive innovation in our materials development efforts. In this role, you will be responsible for conducting in-depth microstructural and chemical analysis of battery materials using advanced TEM techniques, providing critical insights that will directly impact the performance, safety, and longevity of our battery products. If you are passionate about pushing the boundaries of materials science and contributing to a sustainable energy future, we encourage you to apply!

Description

In this role you will:

• Conduct TEM/Cryo-TEM characterization (imaging, diffraction, and spectroscopy) and analyze the data to support battery development and failure analysis work.

• Develop and validate TEM analysis methods and standard operating procedures for battery materials analysis

• Prepare TEM samples for analysis and develop appropriate sample preparation techniques to preserve sensitive constituents from air, moisture, and other environmental factors.

• Implement protocols and replication testing to establish the correlations between process, property, and performance in lithium-ion battery systems, thereby providing mechanistic insights into degradation modes.

• Collaborate with diverse functional groups to undertake projects focused on battery material characterization and failure analysis.

• Adhere to the highest standards of laboratory practices. Maintain an organized and clean laboratory environment, ensure that sample pieces are properly labeled and stored, and comply with all applicable laboratory safety regulations.

• Train, guide, and define tasks for technicians to facilitate work at high standards.

Minimum Qualifications

• BS degree.

• Experience in transmission electron microscopy techniques including cryo-TEM, STEM, EELS, EDS and cryo-FIB sample preparation for TEM.

Preferred Qualifications

• 3+ years of relevant industry experience

• MS or PhD in Chemical Engineering, Materials Science, Electrochemistry, or related field

• Skilled in TEM sample preparation methods (FIB/SEM, milling, etc) and troubleshooting of electron microscopes functionality

• Expertise in investigating battery materials and failure mechanisms of lithium-ion batteries using transmission electron microscopy (TEM) techniques

• Experience with battery teardown, battery material characterization, and electrochemical techniques for battery research, development, and production.

• Strong verbal and written communication, teamwork, and project management skills

• Attention to detail, ability to work effectively independently and as part of a team

Pay & Benefits

At Apple, base pay is one part of our total compensation package and is determined within a range. This provides the opportunity to progress as you grow and develop within a role. The base pay range for this role is between $141,800 and $258,600, and your base pay will depend on your skills, qualifications, experience, and location.

Apple employees also have the opportunity to become an Apple shareholder through participation in Apple’s discretionary employee stock programs. Apple employees are eligible for discretionary restricted stock unit awards, and can purchase Apple stock at a discount if voluntarily participating in Apple’s Employee Stock Purchase Plan. You’ll also receive benefits including: Comprehensive medical and dental coverage, retirement benefits, a range of discounted products and free services, and for formal education related to advancing your career at Apple, reimbursement for certain educational expenses — including tuition. Additionally, this role might be eligible for discretionary bonuses or commission payments as well as relocation.Learn more about Apple Benefits. (https://www.apple.com/careers/us/benefits.html)

Note: Apple benefit, compensation and employee stock programs are subject to eligibility requirements and other terms of the applicable plan or program.

Apple is an equal opportunity employer that is committed to inclusion and diversity. We seek to promote equal opportunity for all applicants without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, Veteran status, or other legally protected characteristics.Learn more about your EEO rights as an applicant (https://www.eeoc.gov/sites/default/files/2023-06/22-088_EEOC_KnowYourRights6.12ScreenRdr.pdf) .

Apple is an equal opportunity employer that is committed to inclusion and diversity. We seek to promote equal opportunity for all applicants without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, Veteran status, or other legally protected characteristics.Learn more about your EEO rights as an applicant (https://www.eeoc.gov/sites/default/files/2023-06/22-088_EEOC_KnowYourRights6.12ScreenRdr.pdf) .

Apple will not discriminate or retaliate against applicants who inquire about, disclose, or discuss their compensation.

Apple participates in the E-Verify program in certain locations as required by law.Learn more about the E-Verify program (https://www.apple.com/jobs/pdf/EverifyPosterEnglish.pdf) .

Apple is committed to working with and providing reasonable accommodation to applicants with physical and mental disabilities. Reasonable Accommodation and Drug Free Workplace policy Learn more .

Apple is a drug-free workplace. Reasonable Accommodation and Drug Free Workplace policy Learn more .

Apple will consider for employment all qualified applicants with criminal histories in a manner consistent with applicable law. If you’re applying for a position in San Francisco, review the San Francisco Fair Chance Ordinance guidelines applicable in your area.

It is unlawful in Massachusetts to require or administer a lie detector test as a condition of employment or continued employment. An employer who violates this law shall be subject to criminal penalties and civil liability.