
Manufacturing Engineer – Composite Motor Cases
Required skills
- Manufacturing Engineer
- Composite Motor Cases
- manufacturing engineering
- production of complex hardware
- process controls
- solve manufacturing problems
Nice to have
- composite structures
- aerospace
- defense
- propulsion manufacturing
- bonded assemblies
- adhesives
Role summary
The Manufacturing Engineer – Composite Motor Cases will be responsible for the development, industrialization, and production of advanced composite solid rocket motor cases. This hands-on role involves transforming filament-wound composite structures and components into complete motor-case assemblies. Key responsibilities include developing and optimizing manufacturing processes such as bonding, cure, integration, and assembly, as well as creating tooling, work instructions, and process controls. The engineer will collaborate with cross-functional teams to ensure manufacturability, lead process qualification, and resolve manufacturing issues. Experience with composite structures, aerospace, defense, or propulsion manufacturing, and bonded assemblies is preferred.
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, 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.
Manufacturing Engineer – Composite Motor Cases
About the Role
The Manufacturing Engineer – Composite Motor Cases will own the development, industrialization, and production of manufacturing processes used to build advanced composite solid rocket motor cases.
This is a highly hands-on role supporting the transformation of filament-wound composite structures and associated components into completed motor-case assemblies. Depending on experience and program needs, engineers in this role may own processes including insulation and rubber application, bonding, cure, hardware integration, assembly, tooling, or other composite motor-case manufacturing operations.
You will work closely with Filament Winding, Design, Materials, Quality, Propulsion, and Production teams to develop robust manufacturing processes and transition hardware from development into repeatable production.
Outcomes
Responsibilities
Basic Qualifications
Preferred Qualifications
Castelion offers a generous benefits package. Please refer to the bottom of our Careers page for more details.
Other Duties
Please note this job description is not designed to cover or contain a comprehensive listing of activities, duties or responsibilities that are required of the employee for this job. Duties, responsibilities and activities may change at any time with or without notice.
Additional Eligibility Requirements
This position may require access to classified information or restricted U.S. Government sites, systems, or information, as determined by the Company and/or applicable U.S. Government requirements. If the position is so designated, your employment in the role may be contingent upon your ability to obtain and maintain the required U.S. Government security clearance or other government authorization, and to satisfy any citizenship or other eligibility requirements imposed by applicable law, regulation, executive order, or government contract requirements. You will be notified if and when such requirements apply.
Affirmative Action/EEO Statement
Castelion is an Equal Opportunity Employer. We are committed to providing equal employment opportunities to all applicants and employees without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, age, disability, genetic information, protected veteran status, or any other characteristic protected by applicable federal, state, or local law.
Castelion is committed to providing reasonable accommodations to qualified individuals with disabilities throughout the application and hiring process. If you require a reasonable accommodation to complete an application, participate in the interview process, or otherwise participate in the hiring process, please contact hr@castelion.com. Requests for accommodation will be considered on an individual basis and handled in accordance with applicable law.
Castelion is committed to fostering a workplace where employment decisions are based on qualifications, business needs, and the ability to perform the essential functions of the role, with or without reasonable accommodation.
EAR/ITAR Requirements
This position requires access to export-controlled information, and as such, employment (or hiring of a contractor) is contingent upon the candidate’s ability to access all applicable export-controlled information without additional export licensing being required by the Bureau of Industry and Security and/or the Directorate of Defense Trade Controls.
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