Audio Cleanup for Documentary

I need an experienced audio engineer to clean up and fix the audio of a documentary. The audio has issues with volume levels that need to be addressed.

Key Requirements:
- Background noise elimination
- Fix inconsistent speech volumes
- Adjust overall volume (too low/high)
- Manage volume spikes or drops

Priority Sections:
- Introduction
- Middle sections
- Conclusion

Ideal Skills and Experience:
- Proficiency in audio editing software (e.g., Audacity, Adobe Audition)
- Experience with documentary or professional audio projects
- Attention to detail
- Ability to deliver high-quality, polished audio