Good understanding of networking concepts like TCP/IP, DNS, load balancing, and routing, along with experience in network security, firewalls, and VPNs, is necessary for effective application deployment and management. Strong knowledge of security concepts, protocols, Tools (vault), identity and access management, and data encryption, along with familiarity with compliance frameworks such as SOC 2, HIPAA, or PCI DSS, is crucial for maintaining the security and integrity of the applications.