Network Security Engineer

- Lead the technical delivery of network and security projects from design through implementation and handover - Act as the lead engineer on complex customer engagements, ensuring solutions are delivered on time and to a high standard - Provide technical guidance and mentorship to other engineers involved in project delivery - Collaborate closely with project managers, architects, and stakeholders to align technical outcomes with business objectives - Implement, and support enterprise-grade network and security solutions - Deploy, configure, and troubleshoot Cisco Firepower firewalls, including policy configuration, VPNs, and threat protection - Implement and maintain Cisco Identity Services Engine (ISE) for network access control, authentication, and authorization - Work with Cisco Stealthwatch and other Cisco security tools to provide visibility, monitoring, and threat detection - Configure and support FortiGate firewalls where required, including firewall policies, VPNs, and security profiles - Produce high-quality technical documentation, including designs, implementation guides, and handover documentation - Serve as a trusted technical advisor to customers, clearly explaining solutions and technical decisions - Gather technical requirements and translate them into robust, secure network designs - Participate in technical workshops, design reviews, and project update meetings - Support occasional onsite work at customer locations in the UK and Europe