Radar Mechanical Design LeadPortsmouth or Isle of WightHybrid working We are delighted to be partnered with a defence and security organisation who are looking for a Mechanical Design Lead to join their growing team in Portsmouth or the Isle of Wight. You will join a high performing engineering team working on complex technical programmes within Radar Technology.Key Responsibilities:Carry out detailed mechanical design and analysis activities to support the development of a complex new productCollaborate with cross-functional teams to ensure mechanical solutions align with overall system requirementsAct as the Mechanical Design Authority, providing expert-level input across the full product lifecycleApply subject matter expertise in key mechanical areas such as thermal management, structural integrity, or material selectionEnsure design compliance with relevant industry standards, regulations, and internal processesSupport design reviews, technical assessments, and the implementation of design changes as neededJob Requirements:Demonstrable subject matter expertise in at least one area of Mechanical Engineering (e.g. thermal systems, structures, CFD, FEA, or propulsion)Proven experience in complex mechanical design, including the design, build, integration, and testing of advanced mechanical systems or productsAbility to collate, interpret and translate requirements into effective mechanical design solutions throughout the engineering lifecycleFamiliarity with modelling and si