**Description:** You will be the Propulsion Performance Engineer for the Propulsion Performance Team which is responsible for advancing propulsion system capabilities across Lockheed Martin Aeronautics. **What You Will Be Doing** As the Propulsion Performance Engineer you will be responsible for leading technical analysis, modeling, testing, and integration of propulsion systems to ensure optimal performance and reliability. **Your responsibilities will include:** + Conduct performance analysis of aircraft/engine interfaces and identify optimization opportunities. + Lead installation, testing, and validation of new propulsion systems. + Develop and refine propulsion system models and simulations. + Mentor junior engineers and coordinate with cross‑functional design teams. + Support program travel and collaborate with engine manufacturers and external partners. **What’s In It For You** We are committed to supporting your work‑life balance and overall wel...