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Firefly Aerospace · 2 weeks ago

Internship - Software Engineering - Spring 2026

Cedar Park, TX

Internship

Onsite

Intern

Start in 2026 Spring

Firefly Aerospace is a space and defense technology company that enables our world to launch, land, and operate in space – anywhere, anytime. They are seeking interns for Aerospace Software Engineering to support the design, simulation, and testing of guidance, navigation, and control algorithms for launch vehicles and spacecraft.

AerospaceAir TransportationSatellite Communication

No H1B

U.S. Citizen Only

Responsibilities

Support the design, simulation, and testing of guidance, navigation, and control (GNC) algorithms for launch vehicles and spacecraft

Advance the state-of-the-art of Firefly simulation capabilities

Improve reliability and robustness of GNC verification and validation testing

Enhance automation tools used for mission design and post-flight processing

Advance the state-of-the-art of Firefly tools and software for trajectory design, maneuver planning, and orbit determination

Qualification

Aerospace EngineeringSoftware EngineeringC/C++PythonLinuxVersion ControlDynamicsOrbital MechanicsControl SystemsEstimation

Required

Enrollment or a recent graduation in a Bachelor's or Master's Degree program with a focus on Aerospace Engineering, Software Engineering, or a related field at an accredited four-year university or college

Experience developing software simulations or algorithms relevant to atmospheric or orbital flight

Familiarity with dynamics, orbital mechanics, control systems, and estimation

To conform to U.S. Government space technology export regulations, including the International Traffic in Arms Regulations (ITAR) you must be a U.S. citizen, lawful permanent resident of the U.S., protected individual as defined by 8 U.S.C. 1324b(a)(3), or eligible to obtain the required authorizations from the U.S. Department of State