We are seeking a Propulsion Design and Integration Engineer to own the systems architecture, mass properties, packaging, requirements flow down, and coordination across propulsion, structures, aerodynamics, and controls. You will ensure the whole vehicle meets performance targets and integrates all subsystems into a coherent, testable design. Key Responsibilities:​ • Lead vehicle level design and integration of propulsion, controls, aerodynamics, structures, and avionics​ • Develop and maintain architecture models, mass properties, center of gravity/stability margins​ • Perform trade studies and requirements allocations for performance, weight, and space​ • Create system level 3D CAD assemblies for integration reviews​ • Coordinate with Component leads (propulsion, materials, CFD, test) to manage interfaces​ • Establish systems engineering artifacts (requirements, verification matrix,ICDs) • Support simulation activities with input to GNC and CFD teams​ • Participate in design reviews, hazard analyses, and test readiness reviews​ Requirements ​ • B.S./M.S. in Aerospace, Mechanical, or Systems Engineering​ • 5–12+ years experience in aerospace vehicle design or systems integration​ • Experience with multi-discipline design of propulsion systems, missile or launch vehicles​ • Strong systems thinking with demonstrable integration deliverables(ICDs, PODs, integration plans)​ • Proficiency in CAD (CREO, NX, CATIA) and systems engineering tools​ Preferred Qualifications:​ • Experience with integrated air-breathing/rocket systems, hypersonic vehicles, or tactical missiles​ • Familiarity with model based systems engineering (MBSE)processes​ • Experience in lead design of complex aerospace vehicles across multiple disciplines​