Internship - Software Engineering - Spring 2026

About Firefly Aerospace

Firefly Aerospace is a space and defense technology company that enables our world to launch, land, and operate in space – anywhere, anytime. As the partner of choice for critical space missions, Firefly is the only commercial company to launch a satellite to orbit with 24-hour notice and the only company to achieve a successful Moon landing. Our launch vehicles, lunar landers, and orbital vehicles provide government and commercial customers with full mission services from low Earth orbit to the Moon and beyond. Headquartered in north Austin, Texas, Firefly is looking for passionate, hardworking innovators to join our team and help fuel our successful trajectory into space.

Summary

Firefly has year-round Aerospace Software Engineering internship opportunities for our Hive location in Cedar Park, Texas. Both current undergraduates and new graduates are encouraged to apply.

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
  
  

Required

QUALIFICATIONS

• 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
  
  

Desired

• Participation in a relevant extracurricular university club or laboratory
• Experience with software development in C/C++ or Python
• Experience with version control
• Familiarity with Linux operating systems
  
  

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.

Firefly Aerospace, Inc. is an Equal Opportunity Employer; employment with Firefly is governed based on merit, competence and qualifications and will not be influenced in any manner by race, color, religion, gender, national origin/ethnicity, veteran status, disability status, age, sexual orientation, gender identity, marital status, mental or physical disability or any other legally protected status.