Firefly Aerospace

60 Firefly Aerospace Propulsion Engineer Jobs Hiring Near You

WI · On-site

$80 - $100/hr

Careers At Firefly Aerospace Share with friends or Subscribe! Current job opportunities are posted ... SUMMARY We are seeking an experienced Propulsion Test Engineer to join our test operations team at ...

Showing results 41-60

Firefly Aerospace Jobs Information

Do workers at Firefly Aerospace get paid breaks?

Yes. Most people get paid breaks.
75% of people say they get paid breaks.
Based on data from 8 people who took the Breakroom Quiz between December 2024 and March 2026.

Does Firefly Aerospace pay people when they’re sick?

Yes. Most people get paid when they’re sick.
78% of people say they would get paid if they were sick but scheduled to work.
Based on data from 9 people who took the Breakroom Quiz between February 2025 and August 2026.

Is the health insurance from Firefly Aerospace affordable enough for their workers?

Most people say the health insurance costs are okay.
100% of people say the health insurance costs are okay
Based on data from 6 people who took the Breakroom Quiz between March 2025 and August 2026.

Do workers at Firefly Aerospace worry about hours?

Most people don’t worry about getting enough hours.
86% of people report they don’t worry about getting enough hours.
Based on data from 7 people who took the Breakroom Quiz between December 2024 and August 2026.

Do Firefly Aerospace workers get to choose the shifts they work?

Some people don’t get to choose which shifts they work.
60% report that they don’t have enough control over which shifts they work.
Based on data from 5 people who took the Breakroom Quiz between December 2024 and August 2026.

How easy is it to get time off at Firefly Aerospace?

Most people find it easy to get time off.
80% of people report it’s easy to get time off.
Based on data from 10 people who took the Breakroom Quiz between January 2025 and August 2026.

Do Firefly Aerospace managers change schedules at the last minute?

Most managers don’t change people’s schedules at the last minute.
83% of people say their manager doesn’t change their shift schedule at the last minute.
Based on data from 6 people who took the Breakroom Quiz between December 2024 and August 2026.

Do jobs at Firefly Aerospace spill into time workers aren’t paid for?

Rarely. The job doesn't usually spill into unpaid time.
33% of people report that their job takes up time that they don’t get paid for.
Based on data from 6 people who took the Breakroom Quiz between December 2024 and August 2026.

How easy is it to take sick days at Firefly Aerospace?

Most people find it easy to take sick days.
91% of people report that it’s easy to take time off if they are sick.
Based on data from 11 people who took the Breakroom Quiz between December 2024 and August 2026.

Do people at Firefly Aerospace feel treated with respect by their managers?

Most people feel treated with respect by their managers.
80% of people say they’re treated with respect by their managers.
Based on data from 10 people who took the Breakroom Quiz between December 2024 and March 2026.

Do people at Firefly Aerospace get to take their breaks without interruption?

Most people get breaks without interruption.
78% of people report that they get to take their breaks without interruption.
Based on data from 9 people who took the Breakroom Quiz between December 2024 and August 2026.

Is it stressful to work at Firefly Aerospace?

Most people feel stressed here.
100% of people say they often feel stressed at work.
Based on data from 8 people who took the Breakroom Quiz between February 2025 and August 2026.

Do people at Firefly Aerospace enjoy their jobs?

Most people enjoy their job.
90% of people report they enjoy their job.
Based on data from 10 people who took the Breakroom Quiz between December 2024 and March 2026.

Do people at Firefly Aerospace recommend working with their team?

Most people recommend working with their team.
82% of people report that they would recommend working with their immediate team to a friend.
Based on data from 11 people who took the Breakroom Quiz between December 2024 and August 2026.

Do people get enough training when they start at Firefly Aerospace?

Some people didn’t get enough training when they started.
50% of people report they didn’t get enough training when they started working here.
Based on data from 10 people who took the Breakroom Quiz between December 2024 and August 2026.

Do people get support to advance at Firefly Aerospace?

Most people are given support to advance their career here.
In the last year, 70% of people report being given support to advance their career here.
Based on data from 10 people who took the Breakroom Quiz between December 2024 and August 2026.

Do people think Firefly Aerospace’s headquarters understands what’s happening where they work?

Some people think headquarters doesn’t understand what’s happening where they work.
64% of people think that this employer’s headquarters or owners don’t have a good understanding of what’s really happening where they work.
Based on data from 11 people who took the Breakroom Quiz between December 2024 and August 2026.

Do workers feel well informed about how Firefly Aerospace is doing?

Only some people feel well informed about how the company is doing.
36% of people feel that they aren’t kept well informed about how the company is doing as a whole.
Based on data from 11 people who took the Breakroom Quiz between December 2024 and August 2026.

What are the most popular categories at Firefly Aerospace?

Infographic showing various Propulsion Engineer job openings at Firefly Aerospace in the United States as of August 2026, with employment types broken down into 2% Internship, 91% Full Time, 1% Contract, and 6% Nights. Highlights an 99% Physical, and 1% Remote job distribution.

Spacecraft Propulsion Manufacturing Engineer III

Firefly Aerospace

Cedar Park, TX

Full-time

Medical, Dental, Vision, PTO

Re-posted 28 days ago


Firefly Aerospace rating

6.9

Company rating: 6.9 out of 10

Based on 11 frontline employees who took The Breakroom Quiz

65th of 72 rated aerospace companies


Job description

ABOUT

Firefly Aerospace is a space and defense technology company on a mission to reliably and repeatedly launch, land, and operate space systems from Earth to the Moon and beyond. As the partner of choice for critical space missions, Firefly is the first commercial company to launch a satellite to orbit with 24-hour notice and the first company to achieve a successful Moon landing. 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

The Firefly Spacecraft Propulsion Manufacturing team is responsible for the fabrication, integration, test, and delivery of engines and fluid systems to spacecraft programs. Propulsion MEs are makers, people who can take an idea on paper and turn it into a fully functioning component ready to fly to space. This role is located at our spacecraft manufacturing and test site in Cedar Park, TX.

RESPONSIBILITIES

  • Lead the transition of products from development to production
  • End to end ownership of the fabrication, assembly, and test procedures for spacecraft propulsion subassemblies.
  • Create assembly instructions and work with technician teams to implement and qualify new processes
  • Continuous process development and improvement with the aim of radically increasing production rate and substantially reducing cost.
  • Lead investigations of process failures through root cause and implementation of corrective actions
  • Participate in design reviews and provide feedback to the design teams.
  • Develop and execute functional checkout procedures and processes where applicable.
  • Disposition non-conformances that occur throughout the build process, develop and implement corrective actions
  • Conduct manufacturability reviews and implement design improvements

QUALIFICATIONS

Required

  • Bachelors degree in Engineering or related technical field
  • 8+ years of experience working in a Manufacturing Engineer role
  • Proven experience with complex assemblies, e.g. production in aerospace/aviation/automotive industries
  • Able to read and interpret technical drawings and assembly instructions
  • Proven experience with complex troubleshooting
  • Proven experience working in dynamic and evolving environments with short deadlines
  • Excellent written and verbal communication skills to convey methodologies for assembly and troubleshooting
  • Strong interpersonal and conflict resolution skills Must be a team player
  • Proven experience with tasks requiring extreme attention to detail and prolonged mental concentration
  • Critical thinking and strong decision making ability
  • Experience working hands on with high-pressure systems (gas or liquid)
  • Working knowledge of common fluid components (valves, regulators, instrumentation)
  • Knowledge of data analysis packages (Python/Excel/SQL)
  • Experience with PLM systems (Teamcenter, Odoo, or similar)

Desired

  • 3 + years of experience in an in-space propulsion manufacturing team
  • Experience with advanced manufacturing techniques (welding, brazing, casting, additive fabrication, forging, spin forming, etc.)
  • Experience with writing assembly procedures for mechanical, electrical, or structural systems
  • Experience writing test plans, procedures and identifying pass/fail criteria on systems
  • Experience with modern manufacturing principles, such as Lean Manufacturing, Six Sigma, etc
  • Experience with complex system assembly and hands on build experience preferably in space systems or aerospace applications
  • Knowledge of data analysis packages (Python/Excel)
  • Experience with environmental testing (thermal, vibrational, shock, etc)

Firefly offers outstanding benefits for our employees, including generous health, dental and vision plans with low plan deductibles, parental leave, 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


What Firefly Aerospace employees say

Pay

Benefits

Hours and flexibility

Workplace

Get the full story on Breakroom