Propulsion Fluids Technician I

Firefly Aerospace; United States; On-site; USD 42,000 - 60,000; Full time

Benefits offered by this job

Health benefits

Parental leave

Relocation benefits

Educational reimbursement

Short-term disability

Flexible PTO

Job summary

Firefly Aerospace is seeking entry-level Propulsion Fluids Technicians to support the hardware that powers our space vehicles.

You will clean, inspect, pressure test, and prepare flight components in a cleanroom, gaining hands-on experience with aerospace-grade processes and strict standards.

Qualifications

• Mechanical aptitude with at least 1 year hands-on experience using basic hand tools in a production environment.
• Ability to read and interpret engineering drawings and technical documents.
• Experience using inspection tools such as calipers and micrometers.
• Basic computer skills including Outlook, Teams, and web-based systems.

Responsibilities

• Clean and passivate flight hardware in a controlled cleanroom environment.
• Perform hydrostatic and pneumatic tests on fluid system components.
• Conduct visual and borescope inspections to verify cleanliness and integrity.
• Maintain a clean, organized workspace and follow safety protocols including PPE and hazardous materials handling.

Skills

Mechanical aptitude

Reading engineering drawings

Inspection tools

Basic computer skills

Job description

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.

ABOUT THE ROLE

Propulsion Fluids Technicians at Firefly are hands-on specialists supporting the hardware that powers our vehicles to space. In this role, you'll clean, inspect, pressure test, and prepare flight components using processes like ultrasonic cleaning and passivation in a controlled environment. This is an entry-level role where you'll build real technical skills working with flight hardware to strict aerospace standards. If you're mechanically inclined, detail-oriented, and ready to get your hands on hardware that goes to space, we want to hear from you.

RESPONSIBILITIES

• Cleaning & Passivation

  Perform cleaning and passivation of flight hardware using solvent/chemical, abrasive, ultrasonic, and other approved methods in a controlled cleanroom environment

  Execute passivation processes to ensure corrosion resistance and material integrity

  Use personal protective equipment (PPE) properly and follow all hazardous material handling procedures

• Pressure Testing

  Perform hydrostatic and pneumatic proof and leak testing on fluid system components

  Operate precision measurement and calibration tools including torque wrenches, micrometers, calipers, height gauges, and optical instruments

  Verify acceptance criteria in alignment with engineering and quality requirements

• Inspection & Verification

  Conduct visual and borescope inspections to verify cleanliness and hardware integrity

  Follow detailed work instructions, technical procedures, and engineering documentation

  Identify, document, and report non-conformances, defects, and inspection discrepancies

• Shop Standards & Safety

  Maintain a clean, organized, and FOD-free work environment

  Adhere to all safety protocols when working with chemicals, pressurized systems, and equipment

  Safely handle and move large or sensitive hardware using overhead cranes, hoists, and lifting equipment

QUALIFICATIONS

• Technical Skills — Required
  • Mechanical aptitude with at least 1 year of hands-on experience using basic hand tools in a production environment
  • Ability to read and interpret engineering drawings and technical documents
  • Experience using inspection tools such as calipers and micrometers
  • Basic computer skills including Outlook, Teams, and web-based systems
• Technical Skills — Preferred
  • 3+ year of experience in aerospace, aviation, or a manufacturing environment
  • 3+ year of experience with precision cleaning or cleanroom operations
  • Familiarity with hydraulic, pneumatic, or fluid systems
  • Experience with inspection methods including visual and borescope
• Physical & Schedule Requirements
  • Ability to stand for extended periods and perform repetitive tasks
  • Frequent bending, lifting, climbing, and working in tight spaces
  • Able to climb ladders and stairs
  • Schedule flexibility required; ability to work nights, weekends, and overtime as needed

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.

• generous health, dental and vision plans with low plan deductibles
• parental leave
• relocation benefits
• educational reimbursement
• short term disability
• 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.

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.