---
title: 'Senior Cell Engineer, Cathode at Blue Current'
canonical: 'https://feeny.ai/job/senior-cell-engineer-cathode-blue-current-hayward-8nc8hfnvb09q'
type: 'job'
last_seen: '2026-10-15'
---

# Senior Cell Engineer, Cathode at Blue Current

- **Company:** Blue Current
- **Location:** Hayward, CA
- **Compensation:** $112k–$160k
- **Posted:** 2026-03-20
- **Last confirmed live:** 2026-10-15
- **Apply:** https://bluecurrent.com/careers/?gh_jid=4665605006

## Job description

## About Blue Current

Blue Current (the “Company”) is the industry leader in the development of silicon solid state batteries. Free of flammable liquid electrolytes, Blue Current’s fully dry, inherently safe batteries significantly reduce risks to human and environmental health while providing a higher-performance alternative to traditional lithium-ion batteries. Blue Current’s silicon-based platform is highly adaptable, enabling a cost-effective solution for both the mobility and stationary storage markets. Blue Current’s team works out of its state-of-the-art headquarters and pilot line facility in Hayward, California. To learn more about Blue Current, Inc., [visit http://bluecurrent.com.](https://bluecurrent.com/)

Position Summary

As a Sr. Cell Engineer, you will be focused on developing new solid state electrode materials with a specific focus on Blue Current’s composite cathode technology. Through careful design of experiments, you will be testing and integrating novel cathode active materials and solid electrolytes into a solid-state battery cathode. Hands-on experience in electrochemistry of lithium-ion battery, electrode formulations and processing is required. A background in materials science, chemical engineering, chemistry, physics, or a related field is preferred. This position will offer hands-on, fast-paced work in a growing team that has a shared passion to change the energy storage landscape.

Essential Functions & Responsibilities

- Develop and test composite solid state cathode materials and formulations that improve cell performance and safety.
- Prepare and characterize solid state cathode composites and slurries (for example, rheology, stability, conductivity, dispersion, etc.) using state-of-the-art tools.
- Optimize and engineer composite solid-state cathodes based on a strong understanding of how that cathode interacts with the solid electrolyte.
- Assemble solid state cells and perform electrochemical testing to analyze the impact of cathode active materials and electrode composition on cell performance.
- Characterize cell materials using various analytical (e.g. SEM, XRD, TGA, etc.) and electrochemical (e.g. EIS and CV) techniques.
- Document and analyze electrochemical tests and analytical characterization results to measure the impact of cathode material properties on cell performance.
- Clearly communicate complex results to cross-functional teams and senior leadership.
- Work with cross-functional teams ensuring high-quality, on-schedule execution of projects.
- Continuously survey and interpret literature on solid-state battery materials and architectures, integrating key insights into the company’s technical strategies.
- Contribute to the company's IP portfolio by exploring novel materials, cell designs, and processing approaches that advance solid-state cell performance.
- Support a strong safety culture by following and improving laboratory safety practices, demonstrating exemplary experimental techniques, and helping implement best-practice updates.

## Minimum Qualifications

Education

- PhD, MS (with 3+ years of industry experience), or BS (with 5+ years of experience) in Materials Science, Chemical Engineering, Chemistry, Physics, or a related field, with a focus on batteries or electrochemical devices

## Experience

- Experience in battery R&D, with a strong focus on lithium-ion or solid-state battery systems
- Demonstrated experience working with electrochemical materials, cathodes, or full-cell development in an industry or applied research environment
- Experience preparing and optimizing composite cathodes, including slurry formulation and processing
- Hands-on experience assembling cells and performing electrochemical testing to evaluate material and cell performance
- Proven ability to plan, execute, and deliver on R&D projects in collaboration with cross-functional teams

## Skills & Knowledge

- Experience with electrochemical testing techniques such as EIS, GITT, HPPC, CV, and related methods
- Familiarity with analytical and characterization tools such as SEM, XRD, TGA, FTIR, DSC, and related techniques
- Ability to analyze and interpret relationships between material properties, electrode design, and cell performance
- Strong data analysis, documentation, and structured problem-solving skills
- Excellent communication skills, with the ability to clearly present complex technical results to cross-functional teams and leadership
- Strong interpersonal and organizational skills, with the ability to collaborate effectively to solve technical challenges
- High attention to detail and commitment to experimental rigor and data quality
- Commitment to safety and experience following and improving laboratory best practices

## Preferred Qualifications

- Direct experience with solid-state battery systems, particularly composite cathodes and solid electrolytes
- Experience with slurry rheology, dispersion, and stability optimization for electrode fabrication
- Familiarity with advanced characterization or in situ/operando techniques
- Track record of innovation through patents, publications, or internal IP contributions

Core Values — Minimum Qualifications

Safety & Security First

For employees, customers, and intellectual property

- Demonstrated commitment to maintaining a safe and secure work environment, including adherence to workplace safety protocols, data privacy standards, and confidentiality requirements.
- Proven ability to identify and appropriately escalate potential risks to personnel, customers, or sensitive information.

Trust & Respect

Treat everyone with honesty, dignity, and sensitivity. Embrace different perspectives. Be humble.

- Demonstrated ability to communicate and collaborate effectively with individuals of diverse backgrounds, perspectives, and working styles.
- Track record of maintaining professionalism, integrity, and discretion in all workplace interactions.

Ownership & Accountability

Take responsibility and action. Set goals and deliver. Don't wait for others.

- Demonstrated ability to independently prioritize, execute, and follow through on responsibilities with minimal supervision.
- Proven track record of setting measurable goals, meeting deadlines, and taking initiative to resolve challenges proactively.

Technical Excellence

Always strive for the best solution possible.

- Demonstrated commitment to quality and continuous improvement in delivering work product, solutions, and outcomes within area of expertise.
- Ability to evaluate options critically and apply sound judgment to identify the most effective and scalable solution.

Learn & Be Curious

Think outside the box. Always learning.

- Demonstrated ability to quickly acquire new skills, tools, or domain knowledge in response to evolving business needs.
- Proven track record of applying creative or unconventional thinking to solve problems.

Be Resourceful

Be hungry, frugal, and flexible. Use what you have. Find a way.

- Demonstrated ability to deliver results in resource-constrained environments by maximizing existing tools, processes, and partnerships.
- Proven ability to adapt and find effective solutions in ambiguous or rapidly changing situations.

Delight Customers

Build stronger relationships with internal and external customers.

- Demonstrated commitment to understanding and exceeding the needs of internal and/or external customers.
- Track record of building and maintaining strong, trust-based relationships that drive positive outcomes for all stakeholders.

Physical Requirements & Working Conditions

- Required to wear personal protective equipment when applicable.
- Able to pass a respirator fit test and wear a respirator periodically.
- Able to work in an office, lab, and manufacturing environment with chemicals, moving mechanical parts, and electrical hazards.

Salary Range $111,600—$160,000 USD

## Equal Opportunity Employment Statement

Blue Current is an equal opportunity employer. We celebrate diversity and are committed to creating an inclusive environment for all employees. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, veteran status, age, or any other characteristic protected by applicable federal, state, or local law.

At-Will Employment & Disclaimer

Employment at Blue Current is at-will. This means that either the employee or Blue Current may terminate the employment relationship at any time, for any reason or no reason, with or without cause, and with or without advance notice, subject to applicable law. This job description does not create an express or implied contract of employment, nor does it alter the at-will nature of the employment relationship. The duties, responsibilities, and qualifications described herein are subject to change at the Company's discretion and do not represent all tasks that may be required of this role.

Applicants must be authorized to work in the U.S. without the need for sponsorship now or in the future.

## About Blue Current

## Core Business
- **Primary industry**: Energy storage / solid-state battery technology
- **Target customers**: B2B – battery manufacturers, automotive OEMs, and manufacturers of consumer electronics, wearables, and mobile devices
- **Mission or purpose**: To create inherently safe, high-performance batteries that are affordable and scalable, enabling new products and experiences – from thinner wearables to lower-cost EVs.

## Products & Services
- **Silicon Elastic Composite Solid-State Batteries** (Technology Platform): A fully dry, composite solid-state battery that uses high-content raw silicon anodes, polymer-ceramic electrolytes, and a thin separator. Benefits include high thermal stability (safety), low operating pressure (reduced packaging), long cycle life, and high energy density. The company partners with manufacturers to license its technology and know-how rather than selling cells directly at scale.

## Market Standing
- **Valuation/Market Cap**: Not disclosed
- **Key Metric**: Total funding raised – **$126.25 million** (as of Series D extension)
- **Notable Investors/Partners**: Amazon.com (anchor investor), Koch Disruptive Technologies, Piedmont (participation in Series D extension); also signed joint development agreements with automotive partners and material suppliers
- **Growth Signals**: Completed safety testing on multi-amp-hour cells; installed initial pilot equipment; moved to a state-of-the-art pilot facility in Hayward with 4,000 sq ft of dry room space; 26 patent families; scaling to pilot production to supply samples to partners

## Competitive Advantages
- **Silicon-first, fully dry chemistry**: Avoids flammable liquid/gel electrolytes and the complexity of lithium metal, using abundant raw silicon for lower cost and higher safety.
- **Low operating pressure** (under 1 MPa) reduces packaging requirements.
- **Cell-level safety**: Batteries are inherently safe by design – they do not explode or violently eject materials on failure.
- **Proprietary elastic composite electrolyte** combines polymer adhesion/elasticity with glass ceramic ionic conductivity, enabling high silicon content to cycle effectively.

## Strategic Focus
- **Commercialization**: Moving from R&D to pilot production, scaling manufacturing using existing high-volume equipment, and deepening partnerships with automotive and non-automotive device manufacturers.
- **Business model**: Technology licensing and joint development with battery and automotive manufacturers; potential future own factories for other markets.

## Why Work Here
- **Culture & values**: Emphasis on safety, ownership, accountability, technical excellence, curiosity, and respect. The company describes itself as “hungry, frugal, and flexible.”
- **Work environment**: On-site at a purpose-built R&D and pilot manufacturing facility in Hayward, CA (Bay Area) – includes wet lab, dry rooms, battery cycling lab, and logistics space. Located near major automotive, cloud, and consumer electronics companies.
- **Benefits**: Stock options, 401(k), generous vacation days, sick time, paid federal holidays, paid parental leave, medical/dental/vision insurance, flexible spending account, health savings account.
- **Team**: Diverse backgrounds in deep research, implementation, and go-to-market; currently hiring across R&D, advanced manufacturing, and business operations (e.g., Senior Manager of Cell Development, Senior Manager of Battery R&D).

## Sources
1. [Blue Current – About](https://bluecurrent.com/about/)
2. [Blue Current – Careers](https://bluecurrent.com/careers/)
3. [Blue Current – FAQ](https://bluecurrent.com/)
4. [CB Insights – Blue Current Profile](https://www.cbinsights.com/company/blue-current)
5. [LinkedIn – Blue Current, Inc.](https://www.linkedin.com/company/blue-current-inc)

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