Lead Solid Rocket Propulsion Engineer-Ballistics & Testing

Castelion Corporation; Torrance (CA); On-site; USD 120,000 - 180,000; Full time

Benefits offered by this job

Generous benefits package

Job summary

Castelion is seeking a solid rocket motor ballistician to own performance predictions of our motors. You will drive technically sound designs that meet aggressive schedule, affordability, and production goals, while mentoring junior engineers.

In this fast-paced role, you will work with structures, thermal, GNC, and manufacturing teams to ensure propulsion systems integrate with the vehicle and testing campaigns provide critical data for flight readiness.

Qualifications

• Bachelor's, Master's, or PhD in Aerospace Engineering, Mechanical Engineering, or related field.
• 2+ years of rocket propulsion design, analysis, and testing in aerospace/defense.
• Strong background in solid rocket motor design: internal ballistics, grain, ignitors, nozzle performance.
• Experience with propulsion testing: static fire setup, instrumentation, data analysis.
• Familiarity with high-temperature, high-pressure structural/thermal design.

Responsibilities

• Design and develop rocket motor systems (grain geometry, case, insulation, nozzle).
• Lead propulsion hardware architecture to meet performance and thermal requirements.
• Perform internal ballistics, thermal, and structural analyses for reliability.
• Coordinate with structures, thermal, GNC, and manufacturing teams for integration.
• Plan and execute static fire tests and test campaigns, collect data and analyze results.
• Mentor junior engineers and drive design improvements and risk reduction.

Skills

Propulsion design

Internal ballistics

Thermal analysis

MATLAB

Lab testing

Education

Bachelor's/Master's/PhD in Aerospace or Mechanical Engineering

Tools

MATLAB

SPP

Job description

Castelion is seeking a solid rocket motor ballistician to own performance predictions of our motors. You will drive technically sound designs that meet aggressive schedule, affordability, and production goals, while mentoring junior engineers.

In this fast-paced role, you will work with structures, thermal, GNC, and manufacturing teams to ensure propulsion systems integrate with the vehicle and testing campaigns provide critical data for flight readiness.