Sale Group is a leading family-owned building services company specialising in mechanical, public health, air conditioning, plumbing, maintenance, and related solutions across commercial and domestic projects. With our head office in Cheam and a growing team, we're committed to delivering high-quality services and investing in the next generation of talent. We are seeking an experienced Senior CAD Designer to join our team in Cheam. This is an excellent opportunity for a skilled CAD professional to take a leading role in the delivery of high-quality building services designs within a supportive and dynamic environment. Key Responsibilities: * Produce accurate and detailed 2D and 3D drawings using AutoCAD for mechanical and public health systems. * Lead the development and coordination of building services designs, ensuring integration with architectural and structural elements. * Prepare and review schematics, layouts, general arrangement drawings, and as-built drawings. * Manage design changes, carry out clash detection, and ensure full compliance with project specifications, standards, and regulations. * Mentor and support junior CAD staff and engineers, providing technical guidance and quality checking of drawings. * Utilise Revit for BIM modelling, coordination, and collaboration on multi-disciplinary projects. * Liaise with project engineers, site teams, and external consultants to resolve technical issues and optimis...