Flight Systems Test Engineer

Castelion Corporation; Torrance (CA); On-site; USD 90,000 - 130,000; Full time

Job summary

Castelion Corporation is seeking a Development Test Engineer in California to own planning, execution, and analysis of tests turning designs into flight-ready mechanisms. You will work across engineering, manufacturing, and operations to validate requirements through benchtop, environmental, subsystem, and vehicle-level testing, in a fast-paced, hands-on environment.

The role emphasizes ownership, rigor, and the ability to work with hardware as the truth, with opportunities to influence test

Qualifications

• Bachelor's degree in Mechanical, Electrical, or Aerospace engineering.
• 3+ years in hardware testing or integration.
• Experience with test instrumentation and lab equipment.
• Knowledge of sensors like load cells, transducers, encoders.
• Strong debugging and root-cause analysis.

Responsibilities

• Translate system and subsystem requirements into test objectives, acceptance criteria, and verification methods.
• Own development and acceptance testing for flight mechanisms for Castelion's hypersonic strike missiles.
• Design and build complex test stands with integrated load actuators and instrumentation.
• Develop automated test software for instrument control, test sequencing, data logging, and analysis; Python is preferred.
• Maintain rigorous configuration control, data management, and test documentation.
• Improve test infrastructure, automation, and data quality to increase test cadence and learning velocity.
• Support flight tests and rocket motor static fires as required.

Skills

Hardware testing

Electrical testing

Python scripting

Debugging

Multidisciplinary collaboration

Willingness to travel

Education

Bachelor's degree in engineering

Tools

DAQ systems

Oscilloscopes

Power supplies

Sensors

Python

Job description

Castelion Corporation is seeking a Development Test Engineer in California to own planning, execution, and analysis of tests turning designs into flight-ready mechanisms. You will work across engineering, manufacturing, and operations to validate requirements through benchtop, environmental, subsystem, and vehicle-level testing, in a fast-paced, hands-on environment.

The role emphasizes ownership, rigor, and the ability to work with hardware as the truth, with opportunities to influence test