About us: Join a company that's reintroducing itself to the aviation community we've helped advance for more than a century. At Honeywell Aerospace (NASDAQ: HONA), we're launching as an independent, publicly traded aerospace and defense company built on a legacy of operational excellence and mission-focused execution. Our new brand identity pairs that heritage with real momentum, as we build technology that helps pilots navigate with confidence, aircraft operate more efficiently, and operators stay ahead of change. With our systems on board 90% of the world's aircraft, your work here has reach that's rare to find anywhere else. Focusing on our customers, investing in innovation, and building a culture of accountability and performance is how we're shaping what comes next. Every horizon. Every mission. Every day. Job Description: Develop tools, implement physics-based algorithms and methodologies that automate repetitive system modeling analysis tasks and bring productivity benefits. Physics Modeling: Apply deep knowledge of fluid dynamics, thermodynamics, propulsion principles, and flight mechanics to create high-fidelity aerospace system simulations tools. Maintain regression testing suits to ensure the mathematical accuracy and stability of internal performance codes. Gather tool requirements by collaborating directly with Performance & Operability, aerodynamicists, thermal engineers, and flight test teams. Technical Documentation: Write, review, and publish comprehensive engineering reports detailing model architectures, validation data, and analysis results Skills/Qualifications: Should possess a Masters/Bachelor’s degree in mechanical/Aerospace engineering discipline with 5-8 years of experience. Knowledge of System performance preliminary design tools like NPSS, TMAT, GasTurb or others can be an advantage. Knowledge of thermodynamics, gas turbine performance and 1D modeling & simulation of dynamic systems. Knowledge of operation of aircraft propulsion Engine/APU Experience in using any Proprietary/Commercial gas turbine performance simulation software Strong demonstrated skills in MATLAB/Simulink. Specifically, MATLAB coding and C , C++ , Python, AI/ML frameworks, Simulink modeling expertise are advantageous. System thinking and ability to view a problem from a system's perspective. Familiarity with 6-Sigma and Lean Product development tools and procedures Experience with configuration management tools such as GIT/Clear case/Bit Bucket. Strong English communications skills (Oral & Written)