A Cisco VPN developer creates secure network systems using Cisco's Virtual Private Network (VPN) technology. They configure, test, and troubleshoot VPNs to enable private, encrypted connections over public networks. They ensure secure data transmission, protecting sensitive information from unauthorized access. Developers also manage user access, enforce security protocols, and maintain system documentation. They work closely with network engineers and IT teams to integrate VPNs into existing infrastructure. They stay updated with advancements in Cisco VPN technologies and implement upgrades as needed. Their goal is to provide secure, reliable, and efficient network connectivity for organizations.