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# CFD Performance Engineer

- **Company:** Firehawk Aerospace
- **Location:** Addison, TX, United States
- **Experience:** Expert
- **Contract:** Permanent contract
- **Skills:** C++ (Programming Language), Computational Fluid Dynamics, Databases, Experimental Data, Python (Programming Language), MATLAB, Monte Carlo Methods, Software Requirements Analysis, Systems Integration, Git, Star CCM+, Ansys, Software Version Control, Programming Languages
- **Published:** October 21, 2026
- **Apply:** https://www.indeed.com/viewjob?jk=acb255efc7f07b06

## About the Role

· Bachelor in Aerospace Engineering, Mechanical Engineering, Applied Physics, or a related field. · 5+ years of relevant industry or research experience in CFD and/or Trajectory sim for aerospace systems. · Demonstrated experience with CFD applied to propulsion systems, ideally solid rocket motors (internal flow, nozzle CFD, plume, or related work). · Strong proficiency with at least one major CFD tool (e.g., ANSYS Fluent, CFX, STAR-CCM+, OpenFOAM, SU2). · Solid background in fluid dynamics, aerodynamics, and numerical methods (RANS, LES, compressible flow, high Mach regimes). · Experience with 3 DOF and 6 DOF simulation on launch vehicles. · Strong skills in MATLAB/Simulink and at least one programming language (Python, C/C++, or Julia). · Experience with version control (Git), model verification, and rigorous documentation practices. · Excellent communication skills and ability to clearly explain complex technical topics to multidisciplinary teams. Preferred
Qualifications · Master or PhD in Aerospace Engineering, Mechanical Engineering, Applied Physics, or a related field. · Deep experience in solid rocket motor design or analysis, including grain regression modeling, thrust tailoring, or nozzle optimization. · Experience with high Mach aerodynamics, plume-vehicle interactions, and coupled aero-thermal analysis. · Experience integrating CFD results (aero and propulsion) into aero/propulsion databases and using them within trajectory/GNC tools. · Prior experience leading small technical teams or owning a major subsystem (e.g., propulsion + Performance Analysis + GNC integration). ITAR Requirements: 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. Work Environment and Physical Requirements: Employees in these positions must possess mobility to work in a standard office setting and to use standard office equipment, including a computer; stamina to sit and to maintain attention to detail despite interruptions; may occasionally lift/carry/push/pull up to 25 pounds; may require minimal walking, standing for extended amounts of time, climbing, crouching, and/or bending; and vision to read printed materials and a computer screen, and hearing and speech to communicate in person and over the telephone. May require the ability to travel by air or auto. May require the use of personal protective equipment such as safety glasses, safety shoes, and shop coat. Security Clearance: May be required to obtain and maintain a U.S. Security Clearance at the appropriate level. Requires U.S. Citizenship. Must also be, able to satisfy federal government requirements for access to government

## Description

simulation tools for aerospace or defense platforms. o Model vehicle dynamics, atmospheric effects, propulsion performance, possible guidance and control behavior, and environmental constraints. o Perform Monte Carlo simulations, sensitivity studies, and performance margin assessments. o Analyze flight test or experimental data and correlate results with simulation models. o Generate mission-level analyses, including launch windows, flight envelopes, aerodynamics, and range safety considerations. · Systems & Collaboration o Serve as a technical leader, mentoring junior engineers and reviewing CFD analyses, Trajectory analysis, and code. o Work closely with propulsion engineers on grain design, performance prediction, and test correlation for solid rocket motors. o Present findings, risks, and recommendations to engineering leadership and program management. o Contribute to requirements definition, verification plans, and documentation of models and codes. Required Qualifications