a) Routing and switching knowledge - Nexus 9k's, 7k's, 5k's experience are preferred in addition with basic switching concepts b) knowledge on Security products, Firewall like Checkpoint, Palo Alto. c) Knowledge on Load Balancer technology ( any load balancer should be fine ). d) Knowledge on DNS concepts and hands on experience with product like infoblox will have added advantage. e) Candidate to possess good troubleshooting skills.