Location: Warrington (Hybrid/Office-based) Reporting to: Design Manager / Technical Director Role Overview We are seeking an experienced and detail-driven Senior Designer to lead the design and development of aluminium fa ade, window, door, and curtain walling systems for commercial projects. This role will play a key part in translating architectural intent into compliant, manufacturable, and cost-effective design solutions, while supporting project teams from concept through to installation. Design & Technical Delivery Produce detailed design drawings, fabrication packs, and installation details for fa ade and glazing systems Interpret architectural drawings, specifications, and client requirements Ensure all designs comply with relevant standards, regulations, and performance criteria (e.g. thermal, structural, fire, acoustic) Develop and check calculations, system interfaces, and buildability of solutions Manage design changes and revisions throughout project lifecycle Project Coor...