×
Register Here to Apply for Jobs or Post Jobs. X

Propulsion Analyst III; Engine

Job in Cedar Park, Williamson County, Texas, 78613, USA
Listing for: Firefly Aerospace
Full Time position
Listed on 2026-01-01
Job specializations:
  • Engineering
    Aerospace / Aviation / Avionics, Systems Engineer
Job Description & How to Apply Below
Position: Propulsion Analyst III (Engine Performance)

ABOUT FIREFLY AEROSPACE

As an end-to-end responsive space transportation company, Firefly Aerospace is on a mission to enable our world to launch, land, and operate in space – anywhere, anytime. Our launch vehicles, lunar landers, and orbital vehicles provide government and commercial customers with full mission services from low Earth orbit to the surface of 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 seeks a highly talented Propulsion Analysis Engineer to join our growing analysis team. As a Propulsion Analyst for Advanced Programs, you will use your expert knowledge in fluids, thermal, and propulsion analysis to verify and influence designs of component and propulsion system hardware. role will play a key part in this group by contributing to the overall development of the propulsion simulation infrastructure.

Propulsion analysts are involved throughout the engineering process and therefore require excellent interdisciplinary communication skills.

RESPONSIBILITIES
  • Perform initial system sizing and architecture trade studies of advanced liquid propulsion system concepts
  • Perform detailed steady state and pseudo‑steady state propulsion system analysis
  • Work closely with multi‑disciplinary propulsion and systems engineering teams to define the operating conditions and control systems of Firefly’s engines
  • Responsible for data reduction activities to characterize propulsion system performance with an emphasis on automating several portions of this workflow
  • Develop well‑documented codes or procedures for performing thermal and fluid analyses, and postprocessing test results
  • Sit on console for engine checkouts and hotfire testing as the performance representative
  • Responsible for updating and correlating models based on test and flight data
  • Evaluate analysis and test results to quantify sensitivities and uncertainties, calibrate simulations, and develop design recommendations
  • Maintain and report on activity, schedule, and technical status
  • Document analysis and test results for review by responsible engineers, peers, customers, and launch authorities
  • Responsible for reviewing the analysis of peers and mentor less experienced engineers.
  • Work with responsible engineers to determine instrumentation setup for testing and contribute to the creation of test plans
QUALIFICATIONS Required
  • BS degree in aerospace or mechanical engineering or related field and 5+ years of experience in mechanical or aerospace engineering
  • 5+ years of experience in an engineering software environment
  • Proficient in the physics of thermo‑fluid systems, including compressible and in compressible flow, thermodynamics, multiphase flow, chemical kinetics, mechanics, and transient phenomena
  • Programming experience with Python or MATLAB for model development and scripting (preferably Python)
  • Experience in data reduction and model validation techniques with test data
  • Familiarity with modeling in Windows environments, as well as with source code control systems such as Bitbucket
Desired
  • MS/PhD degree in aerospace or mechanical engineering and/or 8+ years of experience
  • Experience with industrial CFD tools such as ANSYS or Fluent
  • Experience with industrial finite element tools such as ANSYS, ABAQUS, FEMAP, or NASTRAN
  • Experience with ROCCID, RTE, CEA, TDK, SINDA/FLUINT, ROCETS, GFSSP, or equivalent and general industry‑standard propulsion design and analysis codes
  • Experience with coupled loads analysis or thermal environments analysis
  • Experience in analysis of aircraft or space vehicles during all phases of conceptual design through flight
  • Familiarity with parametric optimization techniques
  • Knowledge of statistical principles (Monte Carlo, regression, Kalman filtering)
  • Experience with database development and management
Benefits

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.

Regulatory

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.

EEO Statement

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.

#J-18808-Ljbffr
To View & Apply for jobs on this site that accept applications from your location or country, tap the button below to make a Search.
(If this job is in fact in your jurisdiction, then you may be using a Proxy or VPN to access this site, and to progress further, you should change your connectivity to another mobile device or PC).
 
 
 
Search for further Jobs Here:
(Try combinations for better Results! Or enter less keywords for broader Results)
Location
Increase/decrease your Search Radius (miles)

Job Posting Language
Employment Category
Education (minimum level)
Filters
Education Level
Experience Level (years)
Posted in last:
Salary