Large LAN Setup and Maintenance

I need an experienced IT professional to set up and maintain a Local Area Network (LAN) for a large network of 51+ devices. Key Requirements: - Design and implement a robust LAN infrastructure - Ensure secure and efficient network connectivity - Regular maintenance and troubleshooting - Provide documentation and support Ideal Skills and Experience: - Proven experience with large-scale LAN setup - Strong knowledge of network protocols and security - Certifications such as CCNA or CompTIA Network+ - Excellent problem-solving skills Please provide relevant work experience in your bids.