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 R&D Technician – Chemical Vapor Deposition (CVD)

Castelion is hiring a R&D Technician to support its ceramic matrix composite (CMC) pilot line, focused on operating chemical vapor deposition (CVD) reactors. This is a hands-on role involving equipment operation, process monitoring, and consistent execution of reactor runs.

Responsibilities include setting up and running cycles, recording process data, and identifying and troubleshooting issues as they arise. Strong attention to detail, adherence to safety protocols, and disciplined documentation are essential.

The ideal candidate is comfortable working with complex equipment and control systems, and brings a practical, problem-solving mindset. This role works closely with engineering teams to support process development and improvement.

Responsibilities

• Supporting of ceramic matrix composite pilot line build and operation
• Monitor, operate and troubleshoot chemical vapor deposition (CVD) reactors
• Industrial equipment operation and maintenance
• Assist process development of chemical vapor deposition process
• Setting up and running cycles for material batches
• Recording process data and notating any specific production anomalies for further investigation
• Trouble shooting pilot line mechanical and electrical issues
• Enforce safety protocols for furnace and heavy machinery operation

Basic Qualifications

• High school diploma
• 2+ years of experience in hands on mechanical, aerospace or manufacturing environment

Preferred Skills and Experience

• Must be willing to swing shift (3:30pm to 11:30pm)

• Experience operating and serving complex machinery including chemical reactors, high-temperature furnaces, automated composite layup equipment, or petroleum hardware

• 2 years of experience with aerospace composites

• 3-years of experience in the aerospace industry

• Experience with analog and digital instrumentation (control systems, load cells, pressure transducers, strain gauges, encoders, deflection gauges, and accelerometers)

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.