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Castelion · 6 days ago

Staff Materials & Process Engineer, Metals

Torrance, CA

Full-time

Onsite

Senior Level, Lead/Staff

5+ years exp

Castelion is innovating defense development and production with a focus on rapid design cycles and modern manufacturing strategies. They are seeking a Staff Materials & Process Engineer, Metals to lead material selection and process development for flight hardware, ensuring compliance with aerospace standards and driving supplier qualification efforts.

AerospaceGovernmentManufacturingMilitaryNational Security

No H1B

U.S. Citizen Only

Hiring Manager

Andy R.

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

Qualification

MetallurgyMaterials characterizationMetal manufacturing processesAerospace material standardsFailure analysisCorrosion scienceHeat treatmentWeldingAdditive manufacturingHigh commitmentCreative problem solvingClear communication

Required

Bachelors degree in Materials Engineering/Science, Chemistry, Chemical Engineering, or related discipline

5+ years of experience in a fast-paced aerospace, automotive, or manufacturing production environment

Deep expertise in metallic systems (aluminum, titanium, nickel, steel, copper alloys) and their manufacturing and joining processes

Familiarity with aerospace material standards (AMS, ASTM, MIL, NASA)

Strong understanding of high temperature/cryogenic, corrosion and fatigue behavior in aerospace metallic materials

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

To conform to U.S. Government export regulations, applicant must be a (i) U.S. citizen or national, (ii) U.S. lawful, permanent resident (aka green card holder), (iii) Refugee under 8 U.S.C. § 1157, or (iv) Asylee under 8 U.S.C. § 1158, or be eligible to obtain the required authorizations from the U.S. Department of State

Preferred

Masters degree in Materials Engineering/Science, Chemistry, Chemical Engineering, or related discipline

Proven experience taking a metallic material system from design and development through full qualification and certification

Material characterization and NDE experience (OM, SEM, EDS, XRD, tensile/compressive strength, high-cycle fatigue, hardness, fracture toughness, UT, CT, PT)