Why Castelion, Why Now

Castelion is moving incredibly fast to develop and deliver advanced defense systems at a time when execution matters more than ever. We believe focus and technical excellence are decisive advantages - and we are building a team that can deliver real capability, not just concepts.

This is a rare opportunity to join at an early stage, where your work will directly shape critical systems, influence major technical decisions, and have immediate, real-world impact.

Composites Technician – Filament Winding

Castelion is seeking a hands-on Composites Technician to support the fabrication of rocket motor cases, nozzles, and other advanced filament wound structures. This role focuses on operating winding equipment, executing composite manufacturing processes, and supporting rapid hardware development and production.

Responsibilities