Senior Aerospace Mechanisms Technician & R&D Lead

Castelion; Torrance (CA); On-site; USD 85,000 - 120,000; Full time

Benefits offered by this job

Generous benefits package

Job summary

Castelion in Torrance, CA is seeking a Senior R&D Technician - Mechanisms to execute assembly builds for CAS and TVCA components supporting flight and development activities in 2026. You will help establish production‑ready processes and build out the production area for scalable assemblies.

This hands-on role mentors others, troubleshoots issues, and ensures timely, high‑quality delivery of multiple vehicles throughout the year, working with skilled teammates to turn bold ideas into real

Qualifications

• 5+ years of hands-on mechanical experience in aerospace/automotive systems, maintenance/troubleshooting, or fabrication/assembly of complex electromechanical systems.
• Ability to read, interpret, and work from drawings and controlled documentation.
• Excellent communication and organizational skills.
• Experience with lathes and 3-axis mills is a plus.

Responsibilities

• Execute complex aerospace mechanism builds in support of flight objectives.
• Develop production-ready mechanisms from development to production.
• Assist in tooling and infrastructure for production builds.
• Mentor engineers and technicians on manufacturing processes.
• Troubleshoot issues during development builds and implement corrective actions.
• Perform simple rework on mills and lathes.
• Set up tests for characterization, ATP and qualification of flight mechanisms.
• Run functional testing of flight mechanisms.
• Maintain and calibrate shop equipment.

Skills

Mechanisms

Aerospace manufacturing

Reading drawings

Mentoring

Education

Associate degree

A&P License

Tools

MES software

Job description

Castelion in Torrance, CA is seeking a Senior R&D Technician - Mechanisms to execute assembly builds for CAS and TVCA components supporting flight and development activities in 2026. You will help establish production‑ready processes and build out the production area for scalable assemblies.

This hands-on role mentors others, troubleshoots issues, and ensures timely, high‑quality delivery of multiple vehicles throughout the year, working with skilled teammates to turn bold ideas into real