Internship - Software Test - Fall 2026

Firefly Aerospace Inc.; Cedar Park (TX); On-site; USD 60,000 - 80,000; Full time

Benefits offered by this job

Unlimited PTO

Medical, dental, vision, and life insurance

4% Safe Harbor 401(k) matching

$10,000 bonus for home purchase in Cedar Park

Job summary

Firefly Aerospace Inc. is looking for a passionate individual to execute software verification tests for flight software in Cedar Park, Texas. Candidates should be enrolled in or have recently graduated from a relevant degree program such as Aerospace Engineering or Computer Science.

The role involves developing automated test scripts and collaborating with cross-functional teams to ensure software quality. Benefits include unlimited PTO, health insurance, and generous financial support for education.

Qualifications

• Enrollment or recent graduation in a relevant degree program.
• Knowledge in orbital mechanics, trajectory analysis, control theory, or a related field.
• Good communication skills and task prioritization abilities.

Responsibilities

• Execute software verification tests for flight software.
• Develop and run automated test scripts.
• Document test results and support investigations.

Skills

C++

Python

LabVIEW

Aerospace Engineering

Software Engineering

Education

Bachelor’s or Master’s Degree in Aerospace Engineering, Computer Science, Software Engineering

Tools

Version Control tools

Job description

SUMMARY

As an end‑to‑end responsive space transportation company, Firefly Aerospace is on a mission to enable our world to launch, land, and operate in space—anywhere, anytime. Our launch vehicles, lunar landers, and orbital vehicles provide government and commercial customers with full mission services from low Earth orbit to the Moon’s surface 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.

RESPONSIBILITIES

• Execute software verification tests for flight software on spacecraft and launch vehicle programs.
• Develop and run automated test scripts in SIL, PIL, and HIL test environments.
• Document test results, track defects, and support root‑cause investigations.
• Assist in test infrastructure setup, including hardware integration and simulator configuration.
• Collaborate with cross‑functional engineering teams to ensure software quality and mission readiness.
• Apply aerospace software engineering processes and quality standards under senior engineer guidance.

QUALIFICATIONS

Required:

• Enrollment or recent graduation in a Bachelor’s or Master’s Degree program focused on Aerospace Engineering, Computer Science, Software Engineering, or a related field at an accredited four‑year university or college.
• Knowledge in a specific software engineering or aerospace engineering area such as orbital mechanics, trajectory analysis, control theory, filtering, machine learning, artificial intelligence, database technologies, networking, embedded software, or a related field.
• Experience with software development in C++, Python, or LabVIEW.
• Good verbal and written communication skills.
• Ability to prioritize and execute assigned tasks on time.
• Good collaboration skills to work closely with others in a fast‑paced environment.

Candidates should preferably have a focus in one of the following areas:

• Experience with source code Version Control tools.
• Participation in a related extracurricular university club or laboratory.

BENEFITS

• Unlimited PTO for exempt employees.
• 3‑month sabbatical for every 5 years of service.
• Medical, dental, vision, life, and disability insurance.
• Mental health services.
• Paid military leave.
• 12 weeks paid maternity leave.
• 4 weeks paid spouse leave.
• $20,000 toward family planning: fertility, surrogacy, adoption.
• Dog‑friendly workplace.
• $10,000/year toward trade school or college.
• Ongoing coaching to advance leadership skills.
• Employee‑ownership with stock bonuses.
• 4% Safe Harbor 401(k) matching.
• $10,000 bonus for home purchase in Cedar Park, Texas.

LEGAL INFORMATION

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, a lawful permanent resident of the U.S., a 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.