Futuristic Combat Space Crew Design

I'm seeking a creative designer to conceptualize a futuristic space crew specializing in combat against rogue humans.

Key requirements:
- Design team members with unique abilities and high-tech gear.
- Incorporate elements of hand-to-hand combat, advanced weaponry, and stealth.
- Visuals should be engaging and imaginative.

Ideal skills:
- Background in concept art or character design.
- Experience with sci-fi themes.
- Strong understanding of combat techniques and tactical gear.

Please provide relevant portfolio samples.