Light Grey Kablio Logo
Kablio AI
AI Turbo Recruiter
Want to hear how I work? Hit play.Find roles with Kablio AI to help build and power the world.Kablio AI helps you secure roles in construction, clean energy, facilities management, engineering, architecture, sustainability, environment and other physical world sectors.
3D Shield
Get hired, get rewarded!
Land a job through Kablio and earn a 5% salary bonus.
Exclusive benefits
5%Bonus
Quantumscape

Senior Battery Pack Engineer

Company logo
Quantumscape
Transforms EV energy storage with next‑gen solid‑state lithium‑metal batteries for faster, safer, longer-range charging
Design and integrate solid‑state battery cells into functional packs and prototypes
8d ago
$134,800 - $182,000
Intermediate (4-7 years), Experienced (8-12 years), Expert & Leadership (13+ years)
Full Time
San Jose, CA
Onsite
Company Size
850 Employees
Service Specialisms
No specialisms available
Sector Specialisms
Energy
Transport
Industrial
Utilities
Role
What you would be doing
pack design
testing
data analysis
team collaboration
documentation
electrical integration
  • Pack architecture & design – translate cell electro‑mechanical constraints into module/pack layouts, interconnect schemes, and mechanical housings.
  • Testing & data analysis – run performance, safety, abuse, and environmental tests; analyze cycling & impedance data to guide design iterations.
  • Cross‑functional leadership – collaborate with Cell, Product, and Safety teams; author build documentation, BoMs, and validation testing reports; mentor junior engineers and technicians.
  • Sit or stand for extended periods; perform reaching and twisting motions with hands.
  • Electrical integration – select and tune BMS ICs, design wire harnesses, and high‑current connectors; validate with oscilloscopes, SMUs, battery cyclers, and HV probes.
What you bring
bms
cell chemistry
battery cyclers
engineering degree
solidworks
rapid prototyping

This position is required to work onsite 5 days per week to meet the minimum essential duties and requirements of this position. As an on-site R&D and manufacturing operations organization, in-person face to face interaction is essential to building authentic relationships, trust, teamwork, and collaboration.

What we need: QuantumScape is looking for a hands-on Senior Cell Integration and Pack Engineer to turn next‑generation battery cells into fully functional packs and demonstrator systems. You’ll own mechanical, electrical, and firmware integration so our customers and internal teams can evaluate breakthrough cell chemistry in real‑world devices. If you have experience in pack design and integration, and a passion for rapid prototyping and rigorous testing, you'll be an excellent fit on our team!

  • Working knowledge of BMS architectures (AFE/ADC, fuel‑gauge, passive & active balancing, protection) and communication buses (CAN 2.0/FD, SMBus).
  • Solid understanding of cell chemistries and architectures.
  • Hands-on experience with battery cyclers (e.g. Arbin, Maccor), oscilloscopes, isolated differential probes, DMMs,
  • Familiarity with pack level compliance/validation workflows and environmental testing (HALT/HASS, IP ratings).
  • Engineering (or related field) degree and 5+ years industrial experience. 3+ years combined experience designing and/or testing packs or cells.
  • Superb interpersonal skills, both written and oral. Strong interpersonal and organizational skills
  • Experience integrating solid state cells and managing their unique constraints.
  • CAD proficiency for mechanical/electrical layouts (e.g., SolidWorks, Altium/KiCad) and thermal simulation (ANSYS Icepak, COMSOL, or 6SigmaET).
  • Lift up to 25 lbs as needed.
  • Rapid prototyping methods for jigs, fixtures, and enclosures (CNC, 3D printing, laser cutting).
  • Work is performed in a dry room, fume hood, lab area requiring the use of fine motor skills
Benefits

Expected salary range for this role is from $134,800 to $182,000, and a final salary will be determined by the candidate's experience and educational background. QuantumScape also offers an annual bonus and a generous RSU/Equity package as part of its compensation plan. In addition, we do offer a tremendous benefits plan including employee paid health care, Employee Stock Purchase Plan (ESPP), and other benefits.

We will ensure that individuals with disabilities are provided with reasonable accommodation to participate in the job application or interview process, to perform essential job functions, and to receive benefits and privileges of employment. Please contact us to request a accommodation.

Training + Development
Information not given or found
Company
Overview
40 GWh/year
Mass Production Capacity
Licensed mass production partnership for solid-state battery technology with Volkswagen's PowerCo.
1 Billion USD
SPAC Merger
Secured a significant funding milestone through a special purpose acquisition company (SPAC).
1000x
Scale Production
The 'Cobra' separator production line aims to scale separator output by over 1000x for EV deployment at gigawatt-hour volumes.
  • Began with a mission to reinvent EV batteries using solid-state lithium-metal technology.
  • Innovative anode-less ceramic separator significantly boosts energy density, safety, and charging speed.
  • Produced first B-sample QSE-5 cells in late 2024, now undergoing automotive testing.
  • Unveiled 'Cobra' in 2025—a separator production line designed for gigawatt-hour volume scaling.
  • Strategic alliance with Volkswagen’s PowerCo for licensed production upon meeting key milestones.
  • Maintains tight secrecy and high expectations, focusing on anode-free solid-state innovation without a commercial product yet.
  • Carving a niche at the intersection of Energy, Transport, and Industrial sectors, targeting next-gen mobility infrastructure.
Culture + Values
  • “Passion for the problem”
  • “Collaboration”
  • “Authenticity”
  • “A priority of the customer”
  • “Bias to action”
  • Transparency in communication and operations
  • Fairness and environmental stewardship in partnerships and suppliers
Environment + Sustainability
30,000 lbs Recycled
Battery Components
Over 30,000 pounds (≈13,600 kg) of battery components were recycled in 2023, contributing to a circular economy and reducing waste.
300°C Stability
Prototype Cells Tested
Prototype cells passed rigorous safety tests, including nail penetration, external short-circuit, and thermal stability at 300°C, demonstrating advanced safety and reliability.
  • Using fully electrified heat-treatment in fast separator production with no natural gas or fossil fuels in that step.
  • Entered battery component recycling agreement in 2022 to divert manufacturing scrap and waste.
  • Supplier Code of Conduct includes environmental impact standards and enforcement mechanisms.
Inclusion & Diversity
4.0/5 Rating
D&I Rating
The company has received a 4.0/5 rating for Diversity & Inclusion on Glassdoor, based on employee reviews.
  • Employees report improved diversity & inclusion ratings over past 12 months
Big Kablio Logo
Kablio AIIf you're someone who helps build and power the world (or dreams to), Kablio AI is your pocket-sized recruiter that gets you hired.
Copyright © 2025 Kablio