Senior Network Engineer (Cisco / ISE / Palo Alto / Nexus)Hybrid working: 3 days per week required in the office. DGH Recruitment are currently recruiting on behalf of a leading global professional services firm who are looking for a Senior Network Engineer to join the team on a permanent basis in their London office. The role will be Responsible for maintaining the existing LAN/WAN infrastructure as well as working on projects and Changes to the network infrastructure. Responsibilities: - Design, implement and manage complex network infrastructure using Cisco campus networking 9300 series and Cisco Nexus switches. - Configure and optimise Cisco ISE policies for authentication, authorisation, and accounting (AAA). - Monitor and troubleshoot ISE-related issues to ensure optimal performance and security. - Administer and configure FortiGate Firewalls for advanced security measures and threat management. - Configure, deploy, and maintain Palo Alto Prisma Access firewall policies to ensure secure access to critical applications and data. - Administer and configure FortiGate Firewalls for advanced security measures and threat management. - Monitor network performance, identify issues, and perform necessary troubleshooting to maintain optimal network health. - Develop and enforce network security policies, procedures, and standards to protect organisational assets. - Maintain, troubleshoot, and support Wireless LAN Controllers and associated Wi-Fi networks. Required Skills / ..... full job details .....