Senior Materials & Process Engineer (Testing)

Castelion; Torrance (CA); On-site; USD 120,000 - 160,000; Full time

Benefits offered by this job

Equity for employees

4 weeks PTO

Medical coverage

Dental & Vision

FSA/HSA options

401k plan

Parental leave

Job summary

Castelion is seeking a Senior Materials & Process Engineer focused on materials testing to drive qualification efforts for advanced defense systems. You will own coupon testing programs, interpret data, and collaborate with cross‑functional teams to ensure performance and reliability.

The role requires hands‑on mechanical testing, thermal analysis, and material characterization, with a track record in setting up test labs, developing protocols, and complying with ASTM/ISO standards.

Qualifications

• Bachelor’s degree in materials engineering or related field.
• 5+ years of experience in materials testing, preferably aerospace.
• Must be authorized to work in the U.S. and comply with ITAR.

Responsibilities

• Own materials coupon characterization test planning and execution for metals, composites, and bonded structures.
• Lead development and maintenance of the material property allowables database.
• Develop materials characterization lab including test hardware selection and commissioning.
• Develop standardized test protocols based on relevant standards (ASTM, etc.).

Skills

Materials testing

Mechanical testing

Thermal analysis

Materials characterization

Data interpretation

Cross-functional teamwork

Communication skills

Education

Bachelor’s degree in materials engineering

Tools

SEM/EDS

XRD

TGA

DSC

FTIR

OM

Job description

Castelion is seeking a Senior Materials & Process Engineer focused on materials testing to drive qualification efforts for advanced defense systems. You will own coupon testing programs, interpret data, and collaborate with cross‑functional teams to ensure performance and reliability.

The role requires hands‑on mechanical testing, thermal analysis, and material characterization, with a track record in setting up test labs, developing protocols, and complying with ASTM/ISO standards.