QuantumScape · 1 day ago
Catholyte Engineer, Senior Member of Technical Staff
CA, US, 95131
Full-time
Onsite
Mid, Senior Level
$135K/yr - $182K/yr
3+ years expQuantumScape is on a mission to transform energy storage with solid-state lithium-metal battery technology. They are seeking a Senior Member of Technical Staff with expertise in catholyte development for all‑solid‑state batteries to lead formulation, processing, and integration of catholytes.
AutomotiveBatteryElectric VehicleEnergyEnergy StorageRenewable Energy
Responsibilities
Develop and optimize oxide/oxyhalide/sulfide-based catholytes; establish structure–property relationships governing ionic conductivity, mechanical compliance, and interfacial stability
Reduce interfacial impedance and contact loss at solid electrolyte|catholyte|CAM interfaces; develop coatings, additives, surface treatments, and gradient architectures to improve stability across voltage windows
Responsible for mixing, dispersion, slurry rheology management, film casting and lamination, densification, and curing or thermal procedures. Establish critical-to-quality (CTQ) parameters and implement statistical process control (SPC) measures to ensure consistent yield
Correlate catholyte microstructure to cathode utilization, rate capability, and cycle life
Establish test plans using electrochemical techniques, mechanical testing and microstructure characterization
Partner with cell design, modeling, reliability, manufacturing, and quality to translate materials insights into cell architectures
Provide guidance to junior engineers and technicians, promoting protocols in materials processing, upholding experimental difficulty, and ensuring data reliability
Qualification
Required
Ph. D. in Materials Science/Chemical Engineering/Electrochemistry
3+ years hands-on experience in catholyte development for oxide/sulfide/halide solid-state batteries
Proficiency with EIS, cycling protocols, and microstructural/mechanical characterization
Preferred
Experience with oxide/sulfide/oxyhalide; CAMs such as NMC/LMO/LMR variants adapted for ASSB
Knowledge of coatings, additives, binder systems, and functional fillers for interface control
Familiarity with cell stacking/lamination methods
Experience integrating computational/physics-based models to guide materials down‑selection
Authoritative publications and notable patent filings in solid-state battery materials
Benefits
Annual bonus
Comprehensive RSU/Equity package
Employer-paid healthcare
Participation in the Employee Stock Purchase Plan (ESPP)
Variety of other attractive perks
Company
QuantumScape
QuantumScape develops solid-state lithium-metal batteries for electric vehicles and other energy storage applications.
501-1000 employees
H1B Sponsorship
QuantumScape 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
2021 (2)
2020 (9)
Funding
Current Stage
Public CompanyTotal Funding
$1.55BKey Investors
Qatar Investment AuthorityVolkswagen GroupBreakthrough Energy Ventures
2023-08-02Post Ipo Equity· $300M
2021-08-02Post Ipo Equity· $446M
2020-11-27Post Ipo Equity· $500M
Leadership Team
Siva Sivaram
President & CEO
Tim Holme
Founder & Chief Technology Officer
Recent News
2026-01-16
The Motley Fool
2026-01-11
Company data provided by crunchbase