Flight Termination Systems Engineer

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.  

Flight Termination Systems Engineer 

We are seeking a Autonomous Flight Termination Systems Engineer to lead the qualification and certification of flight safety electronics for Castelion’s long-range hypersonic strike vehicles. In this role, you will develop qualification

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.

Responsibilities

• Lead full qualification and certification of Castelion’s Autonomous Flight Termination System (AFTS)
• Work across internal and external stakeholders to develop and execute RCC-319 & RCC-324 qualification strategy
• Serve as Castelion’s subject matter expert on RCC-319 & RCC-324 compliance
• Support live-fire and flight test operations, including pre-test analysis, real-time mission support, and post-test evaluation

Basic Qualifications

• Bachelor’s degree in aerospace, mechanical, electrical engineering, physics, or related technical field
• Hands-on experience leading qualification and compliance testing in a safety critical field
• Highly detail-oriented with strong analytical, verbal, and written communications skills
• Demonstrated ability to synthesize complex technical information and communicate effectively to both engineers and non-technical stakeholders
• Strong problem-solving mindset, thriving in a fast-paced, hardware-rich, high flight cadence environment
• Experience working with the DoD, FAA, government test ranges, or other national security entities

Preferred Skills and Experience

• Master’s degree in a relevant technical field
• Hands-on experience with commanded or autonomous flight safety systems
• Hands-on experience with RCC-319 and/or RCC-324 compliance and qualification
• Strong understanding of Inertial Navigation Systems and/or Global Navigation Satellite System (GNSS)
• Demonstrated experience working with external test houses on environmental, electromagnetic, and/or specialized testing activities
• Experience with critical analysis artifacts such as FMEAs, electronic piece part derating, and reliability analysis

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 [email protected]. 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.