Must have:

• TCP/IP, DNS, DHCP fundamentals
• BGP / OSPF routing knowledge
• Load balancers, VPN, firewalls
• Monitoring: CloudWatch, Splunk
• Major Incident Management participation
• Basic AWS VPC/Azure Vnet Networking

Good to have:

• Cloud networking certifications
• Terraform for network ops
• Automation experience
• ITIL Foundation
• Hybrid cloud connectivity troubleshooting