Logo Expansion and Format Provision

I need an experienced graphic designer to expand on my existing logo and provide it in various formats. Additionally, I require an email signature and headed paper.

Requirements:
- Expanded logo design based on existing artwork
- Provide logo in multiple formats: PNG, PDF, JPEG, Adobe Illustrator, EPS, SVG
- Create professional email signature
- Design headed paper incorporating the new logo

Ideal Skills and Experience:
- Proficiency in graphic design software (Adobe Illustrator, etc.)
- Strong portfolio showcasing logo design and brand identity
- Experience in creating email signatures and letterhead
- Attention to detail and ability to follow branding guidelines

Please submit your portfolio with your bids.