Spacecraft Test Technician II

Firefly Aerospace, Inc.

Texas

On-site

USD 60,000 - 90,000

Full time

15 hours ago

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Benefits offered by this job

Unlimited PTO

Sabbatical after 5 years

Medical, dental, vision insurance

Mental health services

Paid military leave

12 weeks maternity leave

Spouse leave 4 weeks

$20k family planning assistance

Dog-friendly workplace

$10k education reimbursement

Employee stock ownership

4% Safe Harbor 401(k) matching

Job summary

Firefly Aerospace, Inc. in Briggs, TX, is seeking a motivated Spacecraft Test Technician to join our test operations team.

This hands-on role focuses on building expertise in aerospace propulsion testing, supporting the Spectre engine and related liquid propulsion systems. You will work with experienced engineers on test setup, instrument integration, and maintenance, gaining exposure to hypergolic propulsion and safety procedures while contributing to lunar mission readiness and future space

Qualifications

2+ years of aerospace/related field experience.
Reading and interpreting engineering drawings.
Working knowledge of fluid systems and leak check procedures.
Ability to lift 50 lbs and work flexible hours.
Familiarity with pressurized system safety.
Strong attention to detail and quality workmanship.
Excellent communication and teamwork.
Associate degree or technical certification in a relevant field (Aerospace/Mechanical).
Experience with engine-related hardware in an aerospace environment.
OSHA HAZWOPER certification or experience with hazardous materials.
Knowledge of GN2, GHe, hydraulics in tube/fluid applications.
Familiarity with hypergolic engine test/decontamination procedures.
Experience cleaning systems to aerospace standards.
Hands-on instrumentation (pressure, temperature, flow sensors).
Experience with calibration of precision measurement tools.

Responsibilities

Support integration, instrumentation, and execution of hotfire tests for the Spectre propulsion engine.
Set up, checkout, and operate ground support equipment for propulsion tests.
Assist engineers during propellant loading, ignition sequences, and safing operations.
Follow and provide feedback on work instructions for complex mechanical systems.
Clean and passivate hardware using solvent/chemical, mechanical, ultrasonic, or precision cleaning methods.
Perform deburring and edge breaking on aerospace fittings and components.
Calibrate and maintain test equipment and logs.
Adhere to safety protocols for hypergolic propellant operations.
Participate in safety reviews and operational readiness activities.
Contribute to continuous improvement of test procedures and facility capabilities.

Skills

Aerospace experience

Engineering drawings

Instrumentation

Calibration tools

Safety compliance

HAZWOPER awareness

Team communication

Problem solving

Hydraulics & fluids

Heavy lifting

Education

Associate degree or technical certification in Aerospace/Mechanical Technology

Tools

Instrumentation calibration tools

Ground support equipment

Propellant handling safety

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.

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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.

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

We are seeking a motivated Spacecraft Test Technician to join our test operations team at our manufacturing and test facility in Briggs, TX. This is a hands‑on technical role for someone passionate about building their career in aerospace propulsion testing and working directly with liquid propulsion systems supporting the Blue Ghost lunar lander program.

As a Test Technician, you will work alongside experienced engineers and technicians performing critical test operations for the Spectre engine and other liquid propulsion systems. You will be responsible for hands‑on hardware preparation, test setup, equipment operation, and system maintenance while developing your expertise with hypergolic propulsion testing.

Testing Spectre will have a direct impact on the success of future lunar missions and will ultimately drive changes to the landscape of the space industry. Spectre is an engine that you will have a direct hands‑on responsibility to enable our return to the lunar surface and beyond.

RESPONSIBILITIES

Support the integration, instrumentation, and execution of hotfire tests for the Spectre propulsion engine and related liquid propulsion systems
Execute hands‑on setup, checkout, and operation of ground support equipment including propellant transfer systems, pressurization systems, and safety systems
Assist engineers during propellant loading, engine conditioning, ignition sequences, and safing operations in accordance with approved procedures
Follow, review, and provide feedback on work instructions for complex mechanical systems and installations
Clean and passivate hardware using means such as solvent/chemical, mechanical, ultrasonic, and precision cleaning methods
Perform manual deburring, edge breaking, and polishing on machined aerospace fittings and components
Perform shop level maintenance and calibration of equipment such as pumps, tanks, filtration systems, scales, etc.
Follow all safety protocols, hazard controls, and regulatory requirements for hypergolic propellant operations
Maintain accurate equipment logs and maintenance records
Support and participate in operational readiness activities and safety reviews
Participate in continuous improvement efforts for test procedures, facility capabilities, and operational efficiency

QUALIFICATIONS

Required

2 plus years of experience (or equivalent) in aerospace, aircraft, R&D, or related industrial fields
Working knowledge of fluid systems, including pressurized testing and leak check procedures
Ability to read and interpret engineering drawings and technical manuals
A demonstrated high level of problem‑solving skills working in a team environment
Lift and carry 50 lbs. for limited durations
A willingness to work flexible hours to meet the demands of spacecraft engine testing
Familiarity with pressurized system safety
Strong attention to detail and commitment to quality workmanship
Excellent communication skills and ability to work effectively in a team environment
Associate degree or technical certification in a relevant field (Aerospace Technology, Mechanical Technology, Manufacturing, etc.)
Experience with engine‑related hardware in an aerospace environment
OSHA HAZWOPER certification or experience working with hazardous materials
Working knowledge of a variety of tube/fluid applications including GN2, GHe, Hydraulics
Familiarity with hypergolic engine test and decontamination procedures
Experience cleaning systems to aerospace standards
Hands‑on experience with instrumentation (pressure, temperature, flow sensors)
Experience with precision measurement tools and equipment calibration

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.

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