Aluminium System Window Design Expert Needed

We are an aluminium system windows company looking for an experienced Aluminium System Window Designer/Developer. We already have some existing window and door systems, and we need someone who can: Review and check our existing systems Identify design/technical improvements Improve existing window & door designs Develop new aluminium system window & door designs Prepare proper technical/fabrication drawings Suggest suitable profiles, glass, hardware and configurations Help make the systems practical for production and installation Requirements: Experience in aluminium system windows & doors, AutoCAD/technical drawing, and practical knowledge of fabrication and system development is required. Please apply only if you have actual experience in aluminium system window/door design and development. Share your portfolio/examples of previous work and briefly mention your experience.