Internship - Mechanical Engineering - Spring 2027

Firefly Aerospace, Inc.

Cedar Park (TX)

On-site

USD 28,000 - 34,000

Full time

22 hours ago

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Job summary

Firefly Aerospace, Inc. in Texas is offering a Mechanical Engineering internship for Spring 2027. You will support Responsible Engineers through all stages of component and system design, including preliminary concept, sizing, detail design, architecture layout, and drawing creation.

You will gain design experience by developing novel solutions for challenging problems, working in a hands-on environment, and collaborating across disciplines to support launch vehicles and spacecraft programs.

Qualifications

Must be currently enrolled in BS or MS program or a recent graduate at an accredited four-year university or college.
Strong comprehension of design fundamentals and willingness to work in a hands-on, evolving environment.
Able to effectively prioritize and execute tasks and communicate clearly with team on design topics.

Responsibilities

Develop new design concepts for launch vehicle and spacecraft programs.
Support Responsible Engineers through all stages of component and system design including concept, sizing, detailing and drawing creation.

Skills

Communicates effectively

Detail-oriented

Hands-on

Prioritizes tasks

Design fundamentals

Education

BS or MS in mechanical or aerospace engineering (enrollment or recent graduate)

Current Mechanical or Aerospace engineering degree program

Tools

3D CAD

Structural design

Stress analysis

Multibody dynamics

Job description

At Firefly, we’re focused on making space attainable for everyone – including you! Each team member’s passion, dedication, and innovative ideas have a direct impact on fueling our successful trajectory into space. And there’s no shortage of meaningful projects to work on at Firefly. With launch, lunar, and orbital vehicles, Firefly has a diverse line of business with opportunities to get hands‑on experience launching rockets, operating in space, and landing on the Moon.

Our missions are powered by our incredible team ...

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Our Values

Headquartered in the Lone Star State, Firefly’s hardworking team reflects Texas’ GO BIG culture in everything we do. We build big, achieve big, and dream big. We’re building launch vehicles and spacecraft to provide rapid, reliable space access. We’ve achieved some incredible wins, including the first successful commercial Moon landing. And we’re dreaming bigger than this planet with ambitions to Mars, Venus, and beyond. Our core values are what drive us along the way.

Passion

Fireflies believe in perseverance, responsiveness, and mentoring others with a focus on inspiring a better future.

Accountability

Fireflies act with integrity and take ownership of our actions, commitments, decisions, and outcomes.

Fireflies work in alignment across teams and communicate clearly with mutual respect for one another.

Fireflies deliver high‑quality work through technical rigor and timely disciplined execution for our customers.

We take care of our Fireflies with some of the best benefits in the industry. Our mission to make space for everyone starts with our employees and allowing them to make space for their family, their career, and their future.

Space for You

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

Space for Your Family

12 weeks paid maternity leave
4 weeks paid spouse leave
$20k towards family planning: fertility, surrogacy, adoption
Dog friendly workplace

Space for Your Career

$10k/year towards trade school or college
Ongoing coaching to advance leadership skills
Employee-ownership with stock bonuses
4% Safe Harbor 401(k) matching
$10k bonus for home purchase in Cedar Park, Texas

Job Openings

From launch technicians to propulsion engineers, Firefly has open roles across the company. We’re looking for passionate, bright innovators to join our team and help make space an achievable dream for everyone.

Internship - Mechanical Engineering - Spring 2027

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 engineering-focused internship opportunities for our locations in Texas. Both current undergrads and new graduates are encouraged to apply. As a Firefly Intern, you will support Responsible Engineers through all stages of component and system design, including preliminary concept, sizing, detail design, architecture layout, and drawing creation.

You will have the opportunity to gain design experience by developing novel solutions for challenging problems. These positions require high levels of creativity, flexibility, and collaboration. The ability to communicate effectively within a multi-disciplinary and multi-cultural group is an absolute must.

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 Structural and Mechanical Design.

QUALIFICATIONS

Required:

Must be currently enrolled in either a BS or MS program (or a recent graduate) at an accredited four‑year university or college.
Willing to work in a hands‑on, constantly evolving environment
Detail‑oriented, managing multiple priorities while maintaining focus towards a common goal
Strong comprehension of design fundamentals, Aerospace experience a plus
Communicates effectively, verbal and written
Able to effectively prioritize and execute tasks

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

3D CAD, structural design, stress analysis, multibody dynamics simulation
Demonstrated history of exposure to, or interest in, aerospace structural engineering and/or composites
Current Mechanical or Aerospace engineering degree program.

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.

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