Senior Flight Software Engineer, Elytra

Firefly Aerospace

Cedar Park, Texas, United StatesFull-timePosted Oct 27, 2026

About the role

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

Do you have a passion for designing cutting-edge technology and an interest in Spacecrafts applications? If you have a knack for problem-solving and enjoy working collaboratively in a small team, we have exciting opportunities for you to join our Flight Software group as an Aerospace Software Engineer!

The Flight Software group is responsible for the design and implementation of high-reliability application-level software for Firefly Launch Vehicles and spacecraft. As an Aerospace Software Engineer, you will work in a small collaborative group through all stages of the launch vehicle and spacecraft design.

As a key member of our team, you will help develop, test, and integrate the flight software for Firefly Spacecraft. You will work in a group of flight software engineers through all stages of the flight software development processes and collaborate with other engineering teams.

RESPONSIBILITIES

Provide technical leadership on the Flight Software Team to develop, design, test, and integrate flight software

Design, implementation, and maintenance of high reliability C++ software

Perform work on time, meeting all functional and performance requirements

Work closely with the other engineering groups for the success of Firefly programs

Adhere to the Aerospace Software Engineering Group’s processes, procedures, and best practices

Support various vehicle testing and operation events, including launch

Design, implementation and maintenance of internal software tools using Python

QUALIFICATIONS

Required

Bachelor’s Degree in Computer Sciences, Software Engineering, or a related field

Excellent understanding of Object-Oriented Design and the C++ programming language

7+ years’ experience in a software engineering position, or similar

Familiarity with real-time operating systems, software, and the Linux operating system

Ability to work closely with other teammates and in a fast-paced environment to meet strict deadlines

Ability to work in a dynamic environment with changing needs and requirements

Excellent written and verbal communication skills

Desired

Master’s Degree in Computer Sciences, Software Engineering, or a related field

Understanding of data path pipelines, state machines, and arithmetic operation

7+ years’ experience in an aerospace software engineering or related position

Experience deploying and using CI/CD pipelines for C++ software

Ability understand and disposition C++ static analysis results

Firefly offers outstanding benefits for our employees, including generous health, dental and vision plans with low plan deductibles, parental leave, relocation benefits, educational reimbursement, short term disability, and flexible PTO options.

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.

Responsibilities

  • Provide technical leadership in developing, designing, testing, and integrating flight software
  • Design, implement, and maintain high-reliability C++ software
  • Develop and maintain internal software tools using Python
  • Collaborate with other engineering teams and follow established processes and best practices
  • Support vehicle testing and operations, including launch events

Qualifications

  • Bachelor’s degree in computer science, software engineering, or a related field
  • At least 7 years of experience in software engineering or a similar position
  • Strong understanding of object-oriented design and C++
  • Familiarity with real-time operating systems and Linux
  • Ability to collaborate effectively in a fast-paced environment with changing requirements
  • Strong written and verbal communication skills
  • Aerospace software engineering experience, a related master’s degree, CI/CD experience, and familiarity with C++ static analysis are desired

Benefits

  • Health, dental, and vision plans with low deductibles
  • Parental leave
  • Relocation benefits
  • Educational reimbursement
  • Short-term disability
  • Flexible paid time off

Skills mentioned

C++PythonLinuxReal-Time Operating SystemsEmbedded Software DevelopmentSystems EngineeringCI/CDSoftware TestingIntegration TestingDebugging

About Firefly Aerospace

Firefly Aerospace is a space and defense technology company that enables government and commercial customers 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 small- to medium-lift launch vehicles, lunar landers, and orbital vehicles are built with common flight-proven technologies to enable speed, reliability, and cost efficiencies for each mission across cislunar space and beyond.

Aviation & Aerospace501-1,000 employeesCedar Park, Texas