Castelion is moving incredibly fast to develop and deliver advanced defense systems at a time when execution matters more than ever. We believe focus, ownership, and excellence are decisive advantages - and we're building a world-class team to turn bold ideas into real capability.
This is a rare opportunity to join at an early stage, where you'll have significant ownership, collaborate with exceptional teammates, and make a direct, measurable impact on our mission and the future of the company - regardless of your function.
We're looking for a Senior Propellant Analyst to support the design, development, and qualification of solid rocket motors for next-generation hypersonic defense systems. You'll work in a fast-moving startup environment where your analysis directly informs propellant formulation, grain design, and motor performance ...