Home Network Security Setup

I need an expert to secure my home office network. My primary concern is network security.

Devices to secure:
- Router
- Computers (Desktop/Laptop)
- IoT devices (smart home)
and one smart phone / iphone set up/

Ideal skills and experience:
- Strong background in network security
- Experience with home office network setups
- Expertise in securing routers, computers, and IoT devices
- Knowledge of current cybersecurity threats and solutions
- Ability to provide a comprehensive security plan and implementation

Please provide a detailed proposal including your approach, timeline, and any relevant certifications.