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Firefly Aerospace · 1 day ago

Internship - Propulsion - Summer 2026

Cedar Park, TX

Internship

Onsite

Intern

Start in 2026 Summer

Firefly Aerospace is a space and defense technology company that enables launches and operations in space. They are seeking a summer intern to support engineers in component and system design, focusing on propulsion engineering and innovative problem solving.

AerospaceAir TransportationSatellite Communication

No H1B

U.S. Citizen Only

Responsibilities

Develop new innovative design concepts for solving real problems related to our launch vehicle and spacecraft programs

Use engineering principles and fundamentals to provide novel solutions for technically challenging problems in the Internship focus area of Materials & Process Engineering

Qualification

Thermal analysisStructural analysisFluids analysisMechanical engineeringAerospace engineeringHands-on fabricationCollaborationCreativityCommunication

Required

Strong engineering fundamentals in thermal, structural, and fluids analysis

Current undergraduate or graduate student earning a degree in mechanical engineering, aerospace engineering, or a related field

We value diversity of thought so varied perspectives & backgrounds strengthen our team

Demonstrated drive to deliver on tight schedules, especially when unconventional & creative solutions are necessary

Hands-on fabrication experience using common power tools for projects at work/home/school

Ability to work occasional night shifts

Ability to work well in an integrated collaborative team environment, including frequent interactions with technicians, other engineers, and managers

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