Composites Technician

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. Composites Technician About the Role Castelion is seeking a Composites Technician to support hands-on development and manufacturing across our composites organization. This role will work closely with Manufacturing and Materials Engineering on R&D builds, process development, prototypes, and production using processes such as layup, filament winding, press molding, bonding, curing, trimming, and assembly. The ideal candidate is adaptable, technically curious, and comfortable working in an environment where processes are still being developed and improved. Outcomes • Execute R&D and production composite builds safely and consistently. • Support development, testing, and maturation of new composite processes. • Help transition successful development work into repeatable manufacturing. • Maintain strong quality, documentation, and shop readiness standards. Responsibilities • Perform composite layup, filament winding support, press molding, bonding, curing, trimming, and assembly. • Support prototype builds, process trials, experiments, and manufacturing development. • Prepare materials, tooling, consumables, and equipment for builds. • Work closely with engineers to troubleshoot processes and incorporate changes. • Follow drawings, work instructions, and test plans while documenting build results and observations. • Identify process and quality issues and support continuous improvement. • Maintain clean, organized, production-ready work areas. Basic Qualifications • 2+ years of hands-on experience in composites, aerospace manufacturing, R&D, or a similar technical environment. • Experience with composite fabrication or related manufacturing processes. • Ability to read drawings and follow detailed technical instructions. • Comfortable working with evolving processes and development hardware. • Strong attention to detail, safety, quality, and documentation. • Ability to work effectively with engineers and other technicians. Preferred Qualifications • Experience with layup, vacuum bagging, filament winding, press molding, bonding, or cure processes. • Experience supporting R&D, prototype, or new process development. • Experience with aerospace composite structures. • Experience transitioning development work into production. 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.