Facilities Manager

Job description

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. Facilities Manager We are seeking a highly proactive, hands-on Facilities Manager to lead the development, operations, and continuous improvement of Castelion's Midland, Texas site. This role is critical to enabling safe, reliable, and scalable operations across manufacturing, test, and parallel operational areas supporting production activities. You will serve as the primary owner of site infrastructure performance—balancing immediate operational needs with long-term site development as the facility evolves. Success in this role requires building structure from ambiguity—establishing and implementing standard operating procedures (SOPs), developing maintenance systems, and driving prioritization across...