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.