Materials Engineer
General Matter
Los Angeles, CA, USA
USD 90k-175k / year + Equity
Posted on Dec 10, 2025
About the Company
General Matter is enriching uranium in America.
Our mission is to restore our country’s ability to make nuclear fuel. Our fuel will help power AI, manufacturing, and other critical industries. It will power our next generation of reactors. Ultimately, it will power our national ambitions.
We were incubated by Founders Fund, like Anduril and Palantir before us, and we are backed by top tier investors.
Our lean, world-class team of engineers and operators is applying a first-principles approach to solving the problem of nuclear fuel production.
We are a mission-driven company with a culture of urgency, accountability and transparency.
About This Role
General Matter is seeking a Materials Engineer to lead the development, qualification, and continuous improvement of the materials and processes that underpin our enrichment technology. This is a highly technical, hands-on role requiring experience designing and executing corrosion evaluations, as well as a deep understanding of corrosion mechanisms, materials degradation pathways, and surface chemistry fundamentals. The ideal candidate will combine rigorous scientific intuition with practical lab skills to identify failure modes, develop mitigation strategies, and drive material innovations that enhance performance, reliability, and manufacturability across our systems.
Responsibilities:
- Provide materials and process support for hardware teams.
- Increase reliability and manufacturability of hardware through material and process development.
- Perform root cause investigations using fractography, metallography, and testing.
- Own definition, qualification, and implementation of corrosion mitigations across all hardware.
- Develop in-house material compatibility database through test.
- Root cause corrosion-related findings and drive further action for continuous improvement.
Basic Qualifications:
- Evidence of exceptional ability (prior projects, portfolio of work, completed products, etc).
- Bachelor’s degree in materials engineering, materials science, chemical engineering, or chemistry.
- 2+ years of experience in a materials engineering related role.
- 1+ years of experience with corrosion, coatings, paints and/or electrochemistry.
Preferred Skills and Experience:
- Master’s degree in corrosion engineering, materials science, chemical engineering, chemistry, or similar.
- Understanding of mechanical testing methods for metals including fracture and fatigue.
- Familiarity with standard testing methods for materials and development of design allowables.
- Hands-on experience in a manufacturing environment.
- Experience working with UF6.
Additional Requirements:
- Ability to work extended hours and weekends as necessary.
Equal Opportunity Employer
General Matter is an Equal Opportunity Employer; employment with General Matter is governed on the basis of merit, competence and qualifications and will not be influenced in any manner by race, color, religion, gender, national origin/ethnicity, veteran status, disability status, age, sexual orientation, gender identity, marital status, mental or physical disability or any other legally protected status.
Compensation and Benefits:
The base salary range for this role is $90,000–$175,000 annually.
Compensation bands are determined by role, level, location, and alignment with market data. Individual level and base pay is determined on a case-by-case basis and may vary based on job-related skills, education, experience, technical capabilities and internal equity. Please note that the stated salary range is an estimate and may be adjusted based on market conditions, business needs, or other factors. In addition to base salary, for full-time hires, you may also be eligible for long-term incentives, in the form of stock options, and access to medical, vision & dental coverage as well as access to a 401(k) retirement plan.