Amazon PPC specialist for pet Optimisation

We are an established Australian e-commerce brand looking for an experienced Amazon PPC / Advertising specialist to manage and optimise our existing Amazon Australia advertising account.
This is an ongoing freelance role, not full-time employment.
We are looking for someone with proven hands-on experience managing established Amazon PPC accounts, including Sponsored Products, keyword/search-term optimisation, automatic and manual campaigns, negative keywords, ASIN/product targeting, bid and budget optimisation, ACOS, TACOS and ROAS.
Requirements:
- Proven Amazon PPC management experience
- Amazon Australia experience preferred
- Strong understanding of ACOS, TACOS and profitability
- Experience optimising existing campaigns rather than simply creating new campaigns
- Ability to identify wasted spend and opportunities for profitable growth
- Clear communication and regular reporting
Please include:
1. How many years you have managed Amazon PPC
2. Whether you have managed Amazon Australia accounts
3. Approximate monthly ad-spend ranges you have managed
4. One or two examples of results you have achieved, with screenshots if possible