Background Noise Removal for Audio

I need help enhancing recorded audio, specifically to remove very loud background noise and enable the sound of the voice.

Key Requirements:
- Background noise removal
- Enhance voice clarity
- Deliver ASAP

Ideal Skills and Experience:
- Proficiency in audio editing software (e.g., Audacity, Adobe Audition)
- Experience with background noise removal techniques
- Ability to deliver high-quality audio on a tight deadline

Please provide samples of previous work and a timeline for completion.