We are seeking a Senior Power Electronics Engineer to develop and integrate advanced electrical power systems for Castelion's long-range hypersonic strike vehicles. This role is...

Castelion is designing and building next-generation hypersonic weapon systems that restore stability through credible deterrence. We are seeking a hands-on, mission-driven Senior Warhead Design Engineer...

We're looking for a Structural Analysis Engineer to help design and validate next-generation hypersonic defense systems. You'll work in a fast-moving startup environment where analysis...

We are seeking a Senior Mechanisms Engineer to design and deliver high-performance mechanical actuation systems for Castelion's long-range hypersonic strike vehicles. This role is critical...

Castelion Corporation is currently looking for an Industrial Security Specialist. The Industrial Security Specialist will provide support to the Security department by performing security administrative...

Castelion is seeking a highly motivated Manufacturing Engineer to design, build, operate, and maintain equipment used in the manufacture of ceramic matrix composite (CMC) materials...

Castelion is seeking a Build Reliability Engineer to ensure the reliability of flight components and assemblies. This individual will evaluate product and process output data...

We are seeking a Senior Control Electronics Engineer to design and deliver real-time electronic control systems for Castelion's long-range hypersonic strike vehicles. This role is...

Castelion is seeking a Senior Counsel, Trade & Export Compliance to help build and scale the company's international trade, export controls, sanctions, and defense compliance...

We are seeking a Senior GNC Engineer to develop advanced navigation solutions for Castelion's long-range hypersonic strike vehicles. This role is critical to enabling precise...

The Engineering Project Specialist – Mechanical supports the planning, coordination, and execution of mechanical engineering projects from concept through production. This role serves as the...

Castelion is seeking a hands-on Technician to support operation of our Ceramic Matrix Composite (CMC) manufacturing processes. This role will be responsible for operating high-temperature...

The Human Resources Business Partner (HRBP) serves as a strategic advisor to leaders and employees, helping drive organizational effectiveness, talent development, and workforce performance across...

Project Ranger is Castelion's advanced manufacturing facility in Rio Rancho, New Mexico. When completed, it will be the world's largest purpose-built hypersonics manufacturing facilities, supporting...

Build, scale, and lead enterprise classified IT infrastructure across multiple secure facilities. Own strategy, architecture, deployment, and operations of classified network environments supporting mission-critical defense...

We are seeking a Senior Test Engineer to lead testing activities for solid rocket motors (SRM) and integrated hypersonic strike vehicles at Castelion. This role...

Castelion is seeking motivated and talented Electrical Engineering Interns for Fall 2026. You'll help design, build, and test the electronics and hardware that drive our...

IT Network Engineer We are seeking a highly skilled Network Engineer at our Rio Rancho, NM s to implement, manage, and maintain network infrastructures supporting...

Mission Design Engineer As a Mission Design Engineer, you will lead mission-level analysis and system design using advanced modeling and simulation tools such as AFSIM...

We are seeking a Senior Manufacturing Engineer to lead key manufacturing processes for solid rocket motors (SRM) supporting Castelion's hypersonic strike weapons, including the Blackbeard...