Architectural 2D CAD Plan Modifications

I need a 2D CAD plan modified for architectural design. The current plan is in DWG format.

Alterations required:
- Adding new elements
- Modifying existing elements
- Removing some elements

Ideal Skills and Experience:
- Proficient in 2D CAD software, especially with DWG files
- Strong background in architectural design
- Attention to detail
- Experience with plan alterations
- Good communication skills