Engineering Intern

Job Description

About Castelion

Castelion is a company revolutionizing defense development and production through a unique approach:

• Short, iterative design cycles: Rapidly developing and testing new concepts.
• Rapid testing in development: Ensuring designs are robust and meet performance expectations early on.
• Modern commercial manufacturing strategies: Enabling production at scale for cost-effective and efficient deployment.

Castelion focuses on designing, building, and testing next-generation long-range strike weapons systems to provide America and its Allies with a decisive edge and deter potential conflicts.

Engineering Internship – Summer 2025

This internship offers a dynamic, hands-on experience working on cutting-edge missile systems.

Key Responsibilities:

• Subsystem Design & Testing: Assist in designing, analyzing, and testing components for missile subsystems, including propulsion, guidance systems, power electronics, and more.
• Simulation & Prototyping: Support engineering teams with simulations, modeling, and prototyping of critical hardware components.
• Research & Development: Conduct research and development tasks, gathering and analyzing data to inform design decisions.
• System Integration: Participate in system integration efforts, assembling and testing subsystems in real-world test environments.
• Collaboration & Documentation: Collaborate cross-functionally with engineering, manufacturing, and test teams. Document design processes, test results, and project progress.
• Technical Engagement: Attend technical reviews, design meetings, and team briefings to stay informed about project developments and learn from industry experts.

Learning Opportunities:

• Hands-on Experience: Work on cutting-edge hypersonic missile systems.
• Skill Development: Utilize high-performance tools and collaborate with experienced teams.
• Missile Development Lifecycle: Gain exposure to the full lifecycle of missile development, from design to final integration.
• Mentorship: Receive guidance and support from experienced engineers and leaders in the aerospace and defense industry.
• Fast-Paced Startup Culture: Experience a culture emphasizing innovation, teamwork, and rapid development.

Qualifications:

• Education: Currently pursuing a Bachelor’s or Master’s degree in Aerospace Engineering, Mechanical Engineering, Electrical Engineering, Computer Science, or a related field. Rising junior, senior, or graduate-level student preferred.
• Academics: Strong academic record with relevant coursework in propulsion, GNC, power systems, or related fields.
• Software Proficiency: Familiarity with engineering software such as MATLAB, Simulink, SolidWorks, ANSYS, or similar.
• Hands-on Experience: Previous lab work, projects, or internships are a plus.
• Passion & Skills: Passion for aerospace, defense technology, and innovative engineering solutions. Excellent problem-solving, analytical, and communication skills.
• Collaboration: Ability to work collaboratively in a fast-paced, team-oriented environment.

Preferred Qualifications:

• Testing & Data Analysis: Experience with hardware testing, data acquisition, and analysis.
• Missile Systems & Defense Technology: Familiarity with missile systems, defense technology, or aerospace components.
• Startup Environment: Strong interest in working in a startup environment with high-impact projects.

Why Castelion?

At Castelion, interns make a meaningful contribution to the success of projects. This internship offers a unique opportunity to work at the forefront of aerospace engineering while developing skills and experience for future leadership in the field.

Leadership Qualities:

• Bias to Action & Creative Problem Solving: Propose breakthrough ideas and implement solutions effectively.
• High Commitment & Initiative: Show genuine passion for Castelion’s mission and demonstrate accountability.
• Clear Communication: Proactively communicate challenges and solutions with clarity and logic.

ITAR Requirements:

To comply with U.S. Government export regulations, applicants must be a U.S. citizen, national, lawful permanent resident, refugee, or asylee, or be eligible for the required authorizations from the U.S. Department of State.

Equal Opportunity Employer:

Castelion is committed to equal opportunity employment, based on qualifications, experience, and merit.