Explosives Safety & Operations Officer Rio Rancho, NM EHS

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.

The Explosives Safety & Operations Officer provides hands‑on explosives safety support for energetic manufacturing, development, assembly, and test activities across Castelion operations. Reporting to the Explosives Safety & Operations Manager, this role serves as a key field resource for explosives safety, supporting the safe planning and execution of high‑hazard operations while helping implement and continuously improve Castelion's explosives safety program.

This position will be based at Castelion'sNew Mexico facility and will require significant travel to Midland, Texas, particularly as New Mexico operations are built out and commissioned. In the near term, this individual will rotate with Castelion'sexisting Explosives Safety Officer to provide consistent onsite coverage for solid rocket motor manufacturing, energetic operations, and testing in Midland.

Working closely with Engineering, Manufacturing, Test Operations, and EHS, this role provides technical and operational explosives safety support, develops training and qualification programs, participates in hazard analyses and safety reviews, and helps establish practical controls that enable safe execution as operations scale.

• Provide onsite explosives safety oversight for energetic manufacturing, assembly, and test operations, including solid rocket motor mix, cast, cure, assembly, and static‑fire activities.
• Support implementation of Castelion's explosives safety program and compliance with applicable ATF, DoD 4145.26‑M, quantity‑distance, storage, and other explosives safety requirements.
• Conduct and participate in hazard analyses, explosives safety reviews, and operational readiness assessments for energetic processes, equipment, facilities, tests, and changes.
• Partner with Engineering, Manufacturing, and Test Operations to identify energetic hazards, establish appropriate controls , and support the safe development and execution of energetic systems and operations.
• Develop and maintain explosives safety procedures, operating instructions, training, and qualification requirements, including operation‑specific training for new or changing energetic activities.
• Support explosive inventory, magazine, storage, accountability, and inspection requirements in coordination with Operations, Security, and EHS.
• Support the development and implementation of explosives safety protocols for unplanned or off‑nominal conditions, including safe recovery, investigation, and disposition of energetic materials and components.
• Coordinate with Castelion's explosives safety team to maintain consistent standards, practices, training, and operational coverage across sites.
• Support the commissioning and operational readiness of Castelion's New Mexico energetic manufacturing and test capabilities, with significant near‑term travel and rotational coverage at the Midland, Texas site.

• Bachelor’s degree in engineering , Physical Science, Safety, Military Science, or a related technical discipline, or equivalent combination of education and directly relevant experience.
• Experience supporting energetic manufacturing, explosive operations, missile systems, solid rocket…