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Wardstone (YC F25) · 22 hours ago

Engineering Intern - Space and Missile Defense

San Francisco, CA

Internship

Onsite

Intern

Wardstone is a space defense-tech startup building next-generation systems to protect the United States and its allies from advanced missile threats. They are seeking engineering interns to work on real-world systems, including physics-based simulation, hardware prototyping, and embedded software development.

AerospaceMilitaryNational Security

No H1B

U.S. Citizen Only

Responsibilities

Depending on your background and interests, you may work on:

Physics-based simulation and modeling (orbital mechanics, intercept dynamics, guidance & control)

Hardware prototyping and testing (mechanical, electrical, propulsion, sensing)

Embedded software, controls, or autonomy

Sensor systems (IR / EO), perception, and tracking

Data analysis from test campaigns

System-level trade studies and design reviews

Interns are treated as engineers. Your work will directly with founders and full-time engineers, influence flight hardware, simulations, and participate in field tests

Qualification

Physics-based simulationEmbedded softwareData analysisMATLABPythonControlsEmbedded systemsCuriousSelf-directedMotivated

Required

Currently pursuing a degree in engineering, physics, or a related technical field (Aerospace, Mechanical, Electrical, Chemical, Robotics, Computer Science, Physics)

Demonstrated delivery on previous extracurricular engineering projects

Curious, self-directed, and motivated by real-world impact

MATLAB or Python for modelling and data analytics

US CITIZENSHIP REQUIRED

Preferred

Controls, GNC, or orbital mechanics

Embedded systems or hardware bring-up

IR sensors, computer vision, or signal processing

Hands-on lab, shop, or field testing experience

Benefits

Direct mentorship from founders and full time engineers

Exposure to the full engineering lifecycle from concept to testing

Fast pace, high ownership, minimal bureaucracy

Competitive compensation for interns

Company

Wardstone (YC F25)

Wardstone is a space defense-tech company developing next-generation capabilities to protect the United States and its allies from missiles and other space-based threats.

Founded in 2025