This Mechanical Design Engineer role is focused on leading and delivering mechanical design and development activities for Optronics & Missile Electronics (OME), ensuring work is completed in line with project plans and delivered to cost, schedule and quality standards. The role covers the full mechanical design lifecycle, including concept development, detailed mechanical and assembly drawings, CAD and configuration management, design due diligence, prototyping of intricate or high-risk elements, technical reviews and stakeholder engagement. The position requires strong collaboration across engineering disciplines, Design Authorities, Supply Chain and Manufacturing teams, with effective communication of progress, risks and issues to Project Management, supported by robust engineering change management and validation through calculation and/or FEA.