Battery Failure Analysis Engineer
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Before you apply
Salary$125k – $170k
LocationDirect, Fremond, CA
Work modeon-site
Typefull-time
SenioritySenior
Experience5+ yrs
DepartmentEngineering
Company size51–200 people
PostedOct 24, 2026 · 1w ago
Verified live2d ago
At a glanceSummarised by Seekless from the posting.
Bachelor's degree in Materials Science, Mechanical Engineering, Chemical Engineering, or a closely related discipline
5+ years of experience in battery failure analysis, with a deep background in cell design and structure
Comprehensive understanding of cell manufacturing processes including electrode coating, calendaring, winding/stacking, electrolyte filling, and formation cycling
Demonstrated experience operating and interpreting results from CT/X-ray inspection systems for battery analysis
Advanced training and adherence to safety protocols for both CT system operation and lithium-ion cell handling
Independently operate CT scan equipment for battery cells, modules, and packs including sample preparation, fixturing, scan parameter selection, and scheduling
Interpret 2D and 3D CT images to identify defects such as electrode misalignment, jellyroll deformation, welding issues, foreign material inclusions, electrolyte dry-out, swelling, and mechanical damage
Compile clear and detailed failure analysis reports including annotated images, measurements, and actionable conclusions
Conduct battery teardowns and complementary failure analysis in dry room or glovebox settings when needed, ensuring adherence to safety protocols
Maintain CT system calibration, perform routine troubleshooting, and coordinate with equipment vendors for service or repairs
Enforce strict compliance with radiation, laser, and battery safety standards during CT scan operation and handling of potentially hazardous or damaged lithium-ion cells
Support battery validation activities by correlating CT imaging results with electrical, mechanical, and abuse testing data
10+ years total experience in battery failure analysis and cell engineering roles, spanning multiple cell chemistries and formats (cylindrical, pouch, prismatic)
Proficiency in conducting detailed cell teardowns and failure investigations across a range of battery types including hard-can designs
Familiarity with additional analytical techniques such as SEM/EDS, cross-sectioning, and optical microscopy for root-cause investigations
Experience with battery validation including electrical, thermal, and mechanical abuse testing methodologies
Ability to operate independently in a laboratory environment and effectively communicate technical findings to diverse engineering and development teams
Skills
CT scan
X-ray inspection
SEM/EDS
cross-sectioning
optical microscopy
Benefits
Health insurance
Dental insurance
Vision insurance
Flexible spending account
Life insurance
Disability insurance
401(k)
Paid time off
About the job
Delart is home to a team of world-class engineers and project leaders dedicated to developing the next generation of advanced networking technologies, consumer devices, and innovative technology solutions. Trusted by some of the world’s leading technology companies, we deliver highly scalable, mission-critical solutions that power both consumer and business applications globally. Since our founding in 2017, we have been at the forefront of designing cutting-edge networking, telecommunications, and consumer products, while driving end-to-end project execution and creating transformative technology applications.
Overview
Join our team as a Battery Failure Analysis Engineer, with hands-on responsibility for operating and maintaining a CT scan system used to analyze battery cells, modules, and packs. This role is central to uncovering and interpreting internal defects through advanced imaging, directly supporting root-cause investigations across various battery form factors. You will serve as a technical bridge between cell manufacturing, battery design, and failure analysis, generating actionable insights for design, quality, and validation efforts.
Responsibilities
•
Independently operate CT scan equipment for battery cells, modules, and packs, including sample preparation, fixturing, scan parameter selection, and scheduling in a lab environment.
•
Interpret 2D and 3D CT images to identify defects such as electrode misalignment, jellyroll deformation, welding issues, foreign material inclusions, electrolyte dry-out, swelling, and mechanical damage.
•
Compile clear and detailed failure analysis reports, including annotated images, measurements, and actionable conclusions for cross-functional teams in design, quality, and validation.
•
Conduct battery teardowns and complementary failure analysis in dry room or glovebox settings when needed, ensuring adherence to safety protocols.
•
Maintain CT system calibration, perform routine troubleshooting, and coordinate with equipment vendors for service or repairs.
•
Enforce strict compliance with radiation, laser, and battery safety standards during CT scan operation and handling of potentially hazardous or damaged lithium-ion cells.
•
Support battery validation activities by correlating CT imaging results with electrical, mechanical, and abuse testing data.
Minimum Qualifications
•
Bachelor’s degree in Materials Science, Mechanical Engineering, Chemical Engineering, or a closely related discipline.
•
5+ years of experience in battery failure analysis, with a deep background in cell design and structure.
•
Comprehensive understanding of cell manufacturing processes, including electrode coating, calendaring, winding/stacking, electrolyte filling, and formation cycling.
•
Demonstrated experience operating and interpreting results from CT/X-ray inspection systems for battery analysis.
•
Advanced training and adherence to safety protocols for both CT system operation and lithium-ion cell handling.
Preferred Qualifications
•
10+ years total experience in battery failure analysis and cell engineering roles, spanning multiple cell chemistries and formats (cylindrical, pouch, prismatic).
•
Proficiency in conducting detailed cell teardowns and failure investigations across a range of battery types, including hard-can designs.
•
Familiarity with additional analytical techniques, such as SEM/EDS, cross-sectioning, and optical microscopy for root-cause investigations.
•
Experience with battery validation, including electrical, thermal, and mechanical abuse testing methodologies.
•
Ability to operate independently in a laboratory environment and effectively communicate technical findings to diverse engineering and development teams.
CA Base Pay
$125,000—$170,000 USD
Benefits
Delart provides competitive benefits and compensation across all regions where we operate. In the United States, our benefits package includes premium PPO and HMO medical insurance, dental and vision coverage, flexible spending accounts (FSA), life insurance, short- and long-term disability insurance, a company-matched 401(k) plan, and a generous paid time off policy.
Join us in shaping the future of technology. Apply today!
Legal
Delart is an equal opportunity employer. We celebrate diversity and are dedicated to fostering an inclusive workplace for all employees. We strictly prohibit discrimination or harassment of any kind based on race, color, religion, age, sex, national origin, disability, genetics, veteran status, sexual orientation, gender identity, or any other characteristic protected by law.