R&D Technician - Bonding

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. R&D Technician - Bonding As an R&D Technician - Bonding, you will play a key role in executing assembly builds for Nozzles, Flex Joints, and various casted components supporting Castelion's flight and development activities in 2026. You will help establish production-ready processes, standardize effective processes, and implement the tools & fixtures needed to efficiently produce & test bonded assemblies at high volume. This hands-on role is critical to ensuring timely, high-quality delivery of numerous vehicles throughout the year. Responsibilities • Execute complex aerospace bonded assembly builds in support of Castelion's flight and high-complexity R&D objectives. • Perform repeatable, high-quality bonded-assembly operations while meeting production rate, schedule, quality, and safety requirements. • Help transition bonded assembly build processes into standardized, production-ready work instructions and processes ready for high-volume output. • Troubleshoot issues that arise during development builds and implement corrective actions. • Assist with developing and implementing tooling, fixtures, workstations, and infrastructure necessary to execute effective builds. • Ensure shop equipment is well-maintained and calibrated where necessary, and maintain an organized, safe production area. Basic Qualifications • High school diploma or equivalency certificate. • 3+ years of professional experience in a manufacturing/production environment • Experience bonding components using RTVs, epoxies, or silicones • Ability to use computer systems to support process transactions and quality management processes. • Ability to interpret drawings and specifications; complete travelers; and use visual aids and procedures as products are built. • Ability to stand for extended periods. • Ability to lift up to 35 lbs. • Ability to walk throughout the facility and on uneven terrain. • Ability to perform repetitive motions with hands and arms. Preferred Skills and Experience • 5+ years in aerospace manufacturing, with a focus on bonding • Demonstrated ability to read, interpret, and work from drawings, controlled documentation, and processes such as layout drawings, mechanical drawings, assembly procedures and work instructions, schematics, engineering drawings, and parts lists. • Experience with MES software and electronic production records. • Experience working in a high-volume and high-complexity R&D environment with measurable output, takt time, and throughput goals. • Experience with tooling, fixtures, work instructions, line balancing, or standardized work. • Excellent communication and organizational skills. • Experience with AS9100 or equivalent quality management systems. • Experience with 5S practices. • Strong organizational skills, attention to detail, effective time management, and the ability to work with minimal supervision. Benefits and Perks • 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. 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.