Materials & Process Engineer, Metals in Torrance

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Job DescriptionJob Description

About Castelion

Castelion is bringing a new approach to defense development and production : one that focuses on short, iterative design cycles, rapid testing in development, and modern commercial manufacturing strategies for production at scale. We design, build, and test next weapon systems to give America and its Allies a definitive edge in defense capabilities.

Materials & Process Engineer, Metals

We are seeking an experienced materials & process engineer to join our team as the recognized authority for all metallic materials. This person will be driving material and associated process selection for flight hardware, leading supplier qualification efforts, and defining inspection protocols to ensure performance, reliability, and manufacturability goals are met.

The successful candidate will have a strong foundation in metallurgy, materials characterization, failure analysis, and corrosion science, combined with a comprehensive knowledge of metal manufacturing processes. They should also have demonstrated experience taking a metallic material system from early-stage development through full qualification and certification for flight hardware.

Responsibilities

• Serve as the subject matter expert on metallic material selection for flight hardware to ensure suitability across high-temperature, cryogenic, and corrosive operational environments. Advise design and manufacturing teams to inform trade-offs between performance, manufacturability, and cost.
• Develop and qualify manufacturing processes such as heat treatment, forging, casting, welding, additive manufacturing, and machining. Collaborate with suppliers and internal teams to ensure process repeatability and adherence to aerospace standards.
• Develop and maintain material specifications, process standards, and test procedures. Support certification, audits, and reviews, ensuring compliance with internal and external standards (ASTM, AMS, MIL, NASA).
• Conduct qualification testing and root cause investigations of material-related failures using metallurgical analysis, microscopy, and mechanical testing.

Basic Qualifications

Skills & Experience

Leadership Qualities

ITAR Requirements

Employment with Castelion is governed on the basis of competence and qualifications and will not be influenced in any manner by , , , , / , veteran status, status, , , , marital status, mental or physical or any other legally protected status.

All employees are granted long-term stock incentives as part of their employment at Castelion. All employees receive access to comprehensive medical, vision, and dental insurance, and the company offers four weeks of paid time off per year.

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