As a Senior Network Security Engineer at Moderna, you will design, implement, and manage a comprehensive network security framework, including firewalls, VPNs, and network access control (NAC). You will oversee the deployment, configuration, and maintenance of security hardware and software from vendors like Cisco, Palo Alto Networks, and Infoblox. You will also monitor security logs and network activity to identify vulnerabilities and ensure alignment with industry best practices and regulatory requirements.