Principal Battery Design Engineer
Blue CurrentHayward, California
Full Time
Posted October 29, 2025
Apply Now
Application opens on company website
Job Description
This role involves leading the design, development, and optimization of solid-state battery cells and pouches for automotive and consumer applications, transitioning from R&D to large-scale production, with a focus on safety, performance, and manufacturability.
Key Responsibilities
- Design and optimize cell pouches for energy storage applications, focusing on performance, safety, and manufacturability
- Select and evaluate materials for cell pouch construction to ensure compatibility with application requirements
- Develop, prototype, and test cell designs, making improvements based on validation results
- Lead cell engineering design, development, and qualification for next-generation solid-state pouch batteries
- Own cell design plans, conduct experiments, perform failure analysis, and develop new cell products for consumer and EV applications
- Drive product development initiatives and lead technical projects for multi amp-hour cell designs
- Define and manage cell design specifications and test procedures for product validation
- Collaborate with materials R&D and process engineering to select formulations and SOPs to meet performance and scalability goals
- Coordinate system design concepts, thermal management, and compliance requirements from customers
- Work with data analytics to characterize and optimize battery performance
- Partner with manufacturing process engineering to ensure design scalability and cost-effectiveness
- Manage and align on bill of materials (BOM) with product requirements
Requirements
- Ph.D. or MS in chemistry, chemical or mechanical engineering, materials science, or related field.
- 5 years work experience with pouch, prismatic or VDA compliant batteries for automotive and consumer applications.
- Hands-on experience in scale-up manufacturing environments preferred.
- Proficiency in CAD software and simulation tools.
- Strong understanding of lithium based cells, cell components and their interactions inside the cell.
- Demonstrated experience on cell design, characterization and failure mode identifications.
- Experience assembling battery cells and developing new electrode and electrolyte formulations.
- Experience working with high-speed battery manufacturing systems.
- Track record of driving cell development roadmaps and customer-facing deliverables.
- Ability to design and optimize cell pouches for energy storage applications, considering factors such as performance, safety, and manufacturability.
- Ability to select and evaluate materials for cell pouch construction, ensuring compatibility with the application requirements.
- Ability to develop and design prototypes and conduct testing to validate the design, making improvements as necessary.
- Ability to lead the cell engineering design, development, and qualification for next generation solid-state pouch batteries.
- Ability to own the cell design plans, design-of-experiments, failure analysis and new development pathways toward building cell products for consumer devices and EV applications.
- Ability to define and own cell design specifications, and test procedures for product validation.
- Ability to partner with materials R&D and process engineering to select best formulations and SOPs to meet performance and scalability goals.
- Ability to drive quarterly cadence of updates and stage gate transitions.
- Ability to internalize system design concepts including thermals, cell to pack and compliance requirements from customers.
- Ability to work with data analytics team to characterize and optimize performance.
- Ability to partner with manufacturing process engineering to ensure economics and scalability of design.
- Ability to own and ensure alignment on bill of materials with product requirements BOM.
- Strong understanding of lab and work safety policies.
- Positive, can-do attitude and experience coaching and inspiring team to overcome technical challenges.
- Creative thinker with attention to detail.
- Strong communication skills and experience sharing results with team members and leadership.
Benefits & Perks
Compensation/salary range (not specified in the posting)
Work schedule (not specified in the posting)
Work environment perks (state-of-the-art headquarters and pilot line facility in Hayward, CA)
Opportunities to work on cutting-edge silicon solid-state battery technology
Participation in innovative energy storage projects for electric vehicles, grid storage, and consumer electronics
Collaborative team environment with opportunities for coaching and inspiring team members
Diversity and inclusion commitment with equal employment opportunity
Ready to Apply?
Join Blue Current and make an impact in renewable energy
Stay Updated on Sustainability Jobs
Get the latest renewable energy jobs and career tips delivered to your inbox.
Job Alerts
Get notified about new sustainability jobs
More jobs at Blue Current
Battery Manufacturing Technician
Blue Current
Hayward
Full Time
Dec 13
Staff Battery Scientist Cathode
Blue Current
Hayward
Full Time
Nov 8
Temp R D Technician
Blue Current
Hayward
Full Time
Nov 8