Engineering Services Logo Design

I'm seeking a professional logo for my engineering services company.

Requirements:
- Modern or Minimalist style
- First letter as a vertical infinity symbol
- Red with black elements depicting various human job activities within the letters

Ideal Skills and Experience:
- Strong graphic design portfolio
- Experience with engineering-related logos
- Proficiency in modern and minimalist design principles
- Ability to integrate custom elements into typography

Please share relevant work samples.