---
title: 'Senior Product Engineer at Solid Power'
canonical: 'https://feeny.ai/job/senior-product-engineer-solid-power-thornton-aq58e0a3wt6s'
type: 'job'
last_seen: '2026-09-11'
---

# Senior Product Engineer at Solid Power

- **Company:** Solid Power
- **Location:** Thornton, CO
- **Posted:** 2026-08-08
- **Last confirmed live:** 2026-09-11
- **Apply:** https://job-boards.greenhouse.io/solidpower/jobs/6139375004

## Job description

Position Overview:

Solid Power is seeking an experienced product engineer with background in materials chemistry and battery systems to join our team working to revolutionize the battery industry through the development of next-generation, solid-state electrolyte materials.  Solid Power is a dynamic, fast-paced, and collaborative environment.  The product engineer will be part of the Electrolyte Systems Engineering department and work on various projects relating to the synthesis, characterization, and performance improvement of solid state electrolyte powders to better meet our customers’ needs.

Job Duties:

- Identify key factors for success in electrolyte synthesis and downstream processing to improve product quality and performance.
- Conduct relevant characterization (e.g., physical, chemical, and electrochemical) on electrolytes and electrode materials as needed to identify relationships between upstream process, material structure, and resultant properties and performance.
- Participate with cross functional teams to improve electrolyte production and performance, and champion efforts to conform our product to needs expressed by the voice of the customer.
- Conform to all safety precautions and protocols.
- Mentor junior team members, operators, and interns.
- Maintain thorough and accurate records of all conducted experimentation
- Document and follow Solid Power’s standard operating procedures and support the drafting or improvement of SOPs as processes evolve and change.

Qualifications/Requirements:

- PhD in Chemistry, Materials Science, Engineering, or related discipline
- 3+ years of experience in the chemical manufacturing or battery industry is desirable
- Background in inorganic, solid state, or synthetic chemical discipline is desirable
- Experience in materials characterization techniques (e.g., XRD, TGA, DSC, FT-IR, Raman, SEM) and exposure to electrochemical testing methods (e.g., battery cycling, CV, EIS, GITT)
- Experience working with air- and water-sensitive materials.
- Excellent work ethic and ability to rapidly demonstrate independence.
- Ability to adapt to a rapidly evolving research environment
- Structured problem-solving and analytical skills

Physical Requirements:

- Required to wear Personal Protective Equipment (PPE) as necessary including, but not limited to eye protection, hair net, gloves, face mask, coveralls, full-face respirator or PAPR
- Prolonged periods of sitting at a desk
- Ability to lift up to 50 lbs

Salary Range: $100,000 - $145,000/year

Benefits: Solid Power offers a comprehensive benefit package that includes medical/dental/vision insurance, employer paid Life/AD&D/STD/LTD insurance, 401k with company match, 8 paid holidays + the week between Christmas and New Years off, Unlimited PTO, up to six (6) weeks paid FMLA leave, cell phone reimbursement and eligibility to participate in our bonus and equity plans.

Export Control Requirements: This position could require access to technology, software and other information that is subject to governmental access control restrictions, due to export controls. Employment in this position is conditioned on the continued availability of government authorization to authorize release of such items, to the extent required, including without limitation an export license, or other documentation required to establish authorization to receive access to such items.

Company may delay commencement of employment, rescind an offer of employment, terminate employment, and/or may modify job responsibilities, compensation, benefits, and/or access to Company facilities and information systems, as Company deems appropriate, in order to ensure compliance with applicable government access control restrictions.

This position will be posted for a minimum of 7 days and will remain open until filled or adjusted based on the volume of applicants.

All offers of employment at Solid Power are contingent upon clear results of a thorough background check.

Please no soliciting from staffing agencies. Thank you!

#LI-Onsite

## #LI-RM1

## About Solid Power

## Company Overview
- **One-liner**: Solid Power is a U.S.-based leader in all-solid-state battery technology, developing next-generation sulfide-based solid electrolytes and cell designs for longer-range, lower-cost, and safer electric vehicles.
- **Entity Type**: Public (ticker: SLDP on Nasdaq)
- **Headquarters**: Louisville, Colorado, USA (with additional facilities in Thornton, CO and a local office in Seoul, South Korea)
- **Founded**: 2011
- **Founders**: Not publicly available

## Core Business
- **Primary industry**: Energy storage / electric vehicle battery technology
- **Target customers**: B2B – OEM automakers (BMW, Ford, Hyundai, etc.) and Tier 1 battery manufacturers (SK On, Samsung SDI, etc.)
- **Mission or purpose statement**: “To envision a future of clean, sustainable, battery-powered mobility. We believe a better battery is required – a new breed of battery that looks, acts, and is built like today’s lithium-ion batteries, but with longer life, increased safety, and lower costs.” (Source: [solidpowerbattery.com/about](https://www.solidpowerbattery.com/about/company-profile/default.aspx))

## Products & Services
- **Sulfide Solid Electrolyte**: Proprietary sulfide-based solid electrolyte designed for high ionic conductivity and compatibility with standard roll-to-roll lithium-ion manufacturing. Sold separately and used in all Solid Power cell types. (Source: [solidpowerbattery.com](https://solidpowerbattery.com/))
- **Silicon EV Cell**: All-solid-state cell with high-content silicon anode and NMC cathode – targeting 390 Wh/kg and 930 Wh/L, 1,000+ cycle life. Designed as a drop-in replacement for current Li-ion production lines. (Source: [solidpowerbattery.com](https://solidpowerbattery.com/))
- **Lithium Metal EV Cell**: All-solid-state cell using a lithium metal anode – targeting 440 Wh/kg with ultra-low cost and high specific energy. (Source: [investor presentation](https://s202.q4cdn.com/841762012/files/doc_presentations/2026/Jun/12/Investor-Presentation-June-2026.pdf))
- **Conversion Reaction Cell**: All-solid-state cell employing a conversion-type cathode for reduced battery pack mass and cost. (Source: [investor presentation](https://s202.q4cdn.com/841762012/files/doc_presentations/2026/Jun/12/Investor-Presentation-June-2026.pdf))
- **Cell Technology Licensing**: Partners (e.g., BMW, SK On) license Solid Power’s cell designs and manufacturing know-how to produce all-solid-state cells at scale. (Source: [solidpowerbattery.com](https://solidpowerbattery.com/))

## Market Standing
- **Valuation/Market Cap**: Approximately $636 million as of June 11, 2026 (Source: [investor presentation](https://s202.q4cdn.com/841762012/files/doc_presentations/2026/Jun/12/Investor-Presentation-June-2026.pdf))
- **Key Metric**: Total liquidity of $435.3 million as of March 31, 2026 (debt-free balance sheet) (Source: [investor presentation](https://s202.q4cdn.com/841762012/files/doc_presentations/2026/Jun/12/Investor-Presentation-June-2026.pdf))
- **Notable Investors/Partners**: BMW Group, Ford Motor Company, Hyundai, Samsung SDI, SK On, SK Innovation, Volta Energy Technologies, Umicore, A123 Systems, Sanoh, Solvay. (Sources: [jobs page](http://job-boards.greenhouse.io/solidpower) and [investor relations](https://solidpowerbattery.com/))
- **Growth Signals**: ~230 employees; pilot cell production lines in Louisville, CO; 30 MT annual electrolyte capacity (expanding to 75 MT by end of 2026); BMW has licensed cell technology and introduced an i7 test vehicle with Solid Power cells; SK On commissioned a pilot cell line in South Korea; over 25 issued US patents and ~100 pending US patent applications. (Source: [investor presentation](https://s202.q4cdn.com/841762012/files/doc_presentations/2026/Jun/12/Investor-Presentation-June-2026.pdf))

## Competitive Advantages
- **Sulfide-based solid electrolyte** – best balance of ionic conductivity and processability for mass production on existing Li-ion equipment.
- **Capital-light partner model** – supplies electrolytes and licenses cell technology rather than building gigafactories, reducing risk.
- **Integrated electrolyte-and-cell feedback loop** – rapid chemistry improvements and de-risked customer adoption.
- **Strong IP portfolio** (25+ issued US patents, 100+ pending, plus trade secrets).
- **Strategic partnerships** with global automotive and battery leaders (BMW, Ford, SK On, Samsung SDI) providing validation and commercialization pathways.

## Strategic Focus
- **Scaling electrolyte production** – expanding pilot capacity (30→75 MT/year) and validating continuous manufacturing processes.
- **Commercial readiness by 2027+** – targeting commercial-scale electrolyte production in South Korea via partner-enabled pathways.
- **Deepening ecosystem integration** – cell technology licensed by BMW and SK On; evaluation agreements with Samsung SDI.
- **Capital-light growth** – 2026 cash investment expected at $85M–$100M (down from prior years), preserving strong balance sheet.

## Why Work Here
- **Collaborative culture**: Described as “highly collaborative, based on trust and mutual respect” with “honest and transparent communication.” (Source: [careers page](https://solidpowerbattery.com/careers/))
- **Purpose-driven work**: Employees are “passionate about building a green, sustainable future” through revolutionary battery technology. (Source: [jobs page](http://job-boards.greenhouse.io/solidpower))
- **Engineering excellence**: Team of “incredibly talented and creative engineers and scientists” who take pride and ownership in their work. (Source: [careers page](https://solidpowerbattery.com/careers/))
- **Locations**: Offices/labs in Louisville, CO (HQ) and Thornton, CO; also a small office in Seoul, South Korea. Remote/hybrid policy not specified, but roles appear onsite (Production Operator I/II, Scientific SW Engineer, Maintenance Engineering Manager).
- **Perks**: Not explicitly listed, but working at a publicly traded, well-funded ($435M liquidity) deep-tech company with major automotive partners offers strong growth opportunities and mission-driven impact.

## Sources
1. [solidpowerbattery.com/careers](https://solidpowerbattery.com/careers/)
2. [job-boards.greenhouse.io/solidpower](http://job-boards.greenhouse.io/solidpower)
3. [solidpowerbattery.com/about/company-profile](https://www.solidpowerbattery.com/about/company-profile/default.aspx)
4. [solidpowerbattery.com (homepage/IR)](https://solidpowerbattery.com/)
5. [Investor Presentation June 2026 (PDF)](https://s202.q4cdn.com/841762012/files/doc_presentations/2026/Jun/12/Investor-Presentation-June-2026.pdf)

## Other roles at Solid Power

- [Senior Safety Specialist](https://feeny.ai/job/senior-safety-specialist-solid-power-thornton-8vv6p673wyny) — Thornton, CO
- [Electrolyte R&D Scientist I/II](https://feeny.ai/job/electrolyte-r-d-scientist-i-ii-solid-power-louisville-hnfbw8t4mfwa) — Louisville, CO
- [Cell Slurry Engineering Intern](https://feeny.ai/job/cell-slurry-engineering-intern-solid-power-louisville-79wvn7x2t1gr) — Louisville, CO
- [Synthesis Slurry Intern](https://feeny.ai/job/synthesis-slurry-intern-solid-power-thornton-4t9qjz2nhz89) — Thornton, CO
- [Product Engineering Intern](https://feeny.ai/job/product-engineering-intern-solid-power-thornton-2t7adbzkdap2) — Thornton, CO
- [Senior Controls/Automation Engineer II](https://feeny.ai/job/senior-controls-automation-engineer-ii-solid-power-thornton-1gxhmj768p8r) — Thornton, CO
- [Production Operator I/II](https://feeny.ai/job/production-operator-i-ii-solid-power-louisville-m48rn4g20sar) — Louisville, CO
- [Program Manager/Senior Program Manager](https://feeny.ai/job/program-manager-senior-program-manager-solid-power-thornton-sxj6bxt84hzb) — Thornton, CO
- [Office Management and Internal Communications Intern](https://feeny.ai/job/office-management-and-internal-communications-intern-solid-power-thornton-7dkv961yn1hk) — Thornton, CO
- [Quality Control Technician](https://feeny.ai/job/quality-control-technician-solid-power-thornton-0fb3xwdjwhcp) — Thornton, CO