Sr Product Design Engineer

Lyten; San Jose (CA); On-site; USD 128,200 - 192,400; Full time

Job summary

Lyten is seeking a Product Design Engineer in San Jose, California, to lead pouch cell design and integration in battery systems. This role includes managing design drawings, engineering specifications, and the build of next-generation pouch batteries.

The ideal candidate should have an MSc in a relevant field and over three years of hands-on experience in high-volume battery manufacturing. Comprehensive CAD skills and understanding of battery quality control are essential.

Qualifications

• 3+ years hands-on experience in cell design within the high-volume battery manufacturing industry.
• Strong understanding of battery performance trade-offs and electrochemistry.
• Experience working with cross-functional NPI or pilot builds in a fast-paced environment.

Responsibilities

• Lead design and release of pouch cell assembly drawings, specifications, CAD models, and BOMs.
• Drive design-for-manufacturability and scale-up readiness.
• Collaborate cross-functionally with manufacturing, quality, and supply chain.

Skills

CAD design (SolidWorks preferred)

Data analysis (Python, R, MATLAB, Excel)

Battery quality control methods

Understanding pouch cell architecture

Statistical process control (SPC)

Mentoring junior engineers

Education

MSc in Mechanical Engineering, Chemical Engineering, Materials Science, or related field

Tools

PLM/PDM systems

SolidWorks

Job description

We are seeking a Product Design Engineer with deep experience in pouch cell design, productization, and manufacturing scale‑up to lead the mechanical design and integration of next‑generation pouch battery systems. This role will own cell architecture, engineering drawings, and BOM strategy from concept through pilot and production. The ideal candidate will bring strong technical leadership, cross‑functional influence, and hands‑on battery design expertise to deliver robust, scalable, and high‑performance products.

Job Responsibilities

• Lead design and release of pouch cell assembly drawings, specifications, CAD models, and BOMs
• Own electrode layout, stack architecture, and mechanical containment design
• Drive design‑for‑manufacturability and scale‑up readiness
• Lead DFMEA/PFMEA, tolerance stack‑up, and engineering change management
• Resolve complex assembly and integration challenges (tabs, sealing, electrolyte distribution, swelling)
• Translate manufacturability into robust design rules
• Lead DOE planning and statistical analysis to optimize performance
• Establish in‑process quality control and inspection criteria
• Drive root‑cause analysis and corrective actions
• Collaborate cross‑functionally with manufacturing, quality, and supply chain
• Support supplier technical reviews and cost reduction initiatives
• Mentor junior engineers and provide technical leadership

Required Skills / Qualifications

• MSc in Mechanical Engineering, Chemical Engineering, Materials Science, or related field
• 3+ years hands‑on experience in cell design working in the high‑volume battery manufacturing industry
• Proficient in CAD design (SolidWorks preferred)
• Experience with PLM/PDM systems
• Proficient in data analysis tools (Python, R, MATLAB, Excel)
• Understanding of battery quality control methods (Hi‑Pot, dimensional analysis, CT scans, weld testing, leak testing, etc.)
• Knowledge of statistical process control (SPC)
• Strong understanding of pouch cell architecture, cell electrochemistry, and battery performance trade‑offs
• Experience working with cross‑functional NPI or pilot builds in a fast‑paced environment

Physical Requirements

• Must be able to lift 50 lbs.
• Be able to work in a lab standing up to 8 hours each day

Compensation Range

$128,200.00 – $192,400.00

Equal Opportunity Employer

Lyten is an equal‑opportunity employer. All qualified applicants will receive consideration for employment without regard to race, religion, color, national origin, sex, age, status as a protected veteran, or status as a qualified individual with a disability. EEO Employer/Vet/Disabled.