Network Security Engineer - 6-Month Contract - Manchester (3 days onsite) - Inside IR35 We are looking for an experienced Network Security Engineer to manage and secure large-scale, multi-vendor Firewall environments. In this role, you''ll focus on Firewall administration, policy governance, network segmentation, VPN security, and risk reduction, working closely with network, security, and application teams to maintain a secure and compliant infrastructure. Key Responsibilities Administer and manage enterprise Firewall platforms, including Palo Alto Networks, Fortinet, Cisco ASA/Firepower, and Check Point Design, implement, and support Firewall security policies, performing rule reviews, cleanup, and recertification exercises Manage and troubleshoot NAT configurations and Site-to-Site/Remote Access VPN technologies Implement and maintain network segmentation and micro-segmentation controls, conducting risk assessments and driving risk reduction initiatives Support security incidents involving network and Firewall technologies, and provide technical input on IDS, IPS, DDoS protection, and Secure Web Gateway solutions What You Will Ideally Bring Strong hands-on experience with Palo Alto Networks, Fortinet, Cisco ASA/Firepower, and Check Point Firewalls Firewall architecture, policy administration, and NAT configuration expertise Network segmentation, micro-segmentation, and VPN technology experience Risk assessment, security governance, and compliance/audit support ..... full job details .....