Product Design Engineer, Battery Pack

CelLink Corporation; San Francisco (CA); On-site; USD 135,000 - 160,000; Full time

Job summary

A leader in sustainable manufacturing is seeking a skilled Product Design Engineer in San Francisco. This role involves designing flex circuit products, overseeing them from conception to production release. Candidates should have a Bachelor's degree in materials science or a related field and a strong understanding of Li-Ion batteries, as well as experience in simulation and manufacturing processes. A full-time position with competitive compensation ranging from $135,000 to $160,000 annually.

Qualifications

• Understanding of Li-Ion battery requirements and performance.
• Experience with cell connection manufacturing processes.
• Knowledge of mechanical, electrical, and thermal material properties.

Responsibilities

• Create 3D models and 2D drawings of battery interconnects.
• Lead design reviews and DFM analysis.
• Develop processes to enhance performance of flexible circuits.

Skills

3D modeling

Simulation analysis

Mechanical knowledge

Electrical interfaces design

Education

Bachelor's Degree in materials science, EE, ME, or physics

Job description

This range is provided by CelLink Corporation. Your actual pay will be based on your skills and experience — talk with your recruiter to learn more.

Base pay range

$135,000.00/yr - $160,000.00/yr

Recruiting for the next era of connected systems⚡🔋#SpecialtyCircuits #SustainableManufacturing

The Product Design Engineer will be responsible for the design, development, and execution of flex circuit products. This is a multi-faceted role with full product responsibility from conception to production release. The right person will have battery experience focused on interconnects, cell connections, and pack architecture to ensure optimal performance in EV and energy storage applications.

Essential Duties and Responsibilities

• Direct creation of 3D models and 2D drawings of current collector assemblies, battery interconnects, and voltage sense harnesses.
• Selecting termination options for connecting to BMS/PCBA, such as welded, crimped, soldered, ZIF, etc.
• Define requirements of flex circuit products based on internal, customer, and regulatory system-level requirements.
• Build prototype circuits (hands‑on) and support launch activities.
• Lead design reviews and DFM analysis.
• DVP&R creation and execution to validate products along with DFMEAs and other pertinent APQP documentation.
• Develop processes, designs, and material combinations to enhance the performance of CelLink's flexible circuits under various usage cases and applications.

Minimum Qualifications (Education, Knowledge, Skills, and Abilities)

• Bachelor's Degree in materials science, EE, ME, physics, or equivalent.
• Understand the requirements and performance of Li‑Ion batteries in all cell formats (pouch, prismatic, and cylindrical).
• Experience in simulation (FEA and CFD) analysis and interpretation is preferred.
• Experience with cell connection MFG processes such as laser‑welding, ribbon/wire bonding, ultrasonic welding, resistance welding, etc.
• Knowledge of mechanical, electrical, and thermal material properties for common conductor materials, various types of plating, and insulating materials.
• Ability to size busbars using simulations and 1D joule heating calculations.
• Experience with the design and validation of electrical interfaces, joints, and connection methods.
• Knowledge of pack architecture and battery sizing (series and parallel connections, nominal energy, power, etc.).

Seniority level

• Mid‑Senior level

Employment type

• Full‑time

Job function

• Motor Vehicle Manufacturing, Electrical Equipment Manufacturing, and Appliances, Electrical, and Electronics Manufacturing