Job Description Are you a Mechanical Design Engineer with expertise in Design for Manufacturing (DFM) ? Join ALTEN UK and work on advanced heat exchanger technology for next-generation aircraft propulsion. You'll play a key role in optimizing complex metal assemblies, electric motor integration, and advanced welding processes —driving innovation in aerospace thermal management solutions. Key Responsibilities: Develop & optimize manufacturing processes for aerospace heat exchangers Apply GD&T principles for precision component design & assembly Utilize Siemens NX for 3D modeling, design validation & DFM analysis Collaborate with cross-functional teams on fabrication, machining & welding Support TAM (Tooling, Assembly & Manufacturing) activities to enhance production efficiency Ensure designs meet stringent aerospace standards for safety & performance