CelLink Corporation · 2 months ago
Applications Engineer, Battery Architecture
San Carlos, CA
Full-time
Onsite
Mid Level
$135K/yr - $160K/yrCelLink is a company that provides electrical systems to leading EV manufacturers and automotive OEMs. They are seeking a Product Design Engineer to design and develop flex circuit products, focusing on battery systems and ensuring optimal performance in EV and energy storage applications.
Electric VehicleElectronicsHardwareManufacturing
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
Qualification
Required
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 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.)
Preferred
Experience in simulation (FEA and CFD) analysis and interpretation
Benefits
Comprehensive medical and dental coverage
Participation in CelLink's discretionary employee stock option plan
Company
CelLink Corporation
CelLink’s high-conductance flexible circuits consolidate busing, fusing, voltage monitoring, and temperature sensing into a single integrated solution.
Founded in 2011
201-500 employees
H1B Sponsorship
CelLink Corporation has a track record of offering H1B sponsorships. Please note that this does not
guarantee sponsorship for this specific role. Below presents additional info for your
reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
Represents job field similar to this job
Trends of Total Sponsorships
2025 (10)
2024 (5)
2023 (5)
2022 (8)
2021 (2)
2020 (2)
Funding
Current Stage
Late StageTotal Funding
$659.22MKey Investors
US Department of EnergyWhale Rock Capital ManagementFranklin Templeton
2023-05-12Debt Financing· $362M
2022-02-16Series D· $250M
2021-05-03Series C· $24.72M
Leadership Team
Malcolm Brown
Co-founder and VP Engineering
Recent News
2025-09-12
2025-07-29
Company data provided by crunchbase