Salary: £40,000 - 45,000 per year Requirements: A computer related degree or relevant professional certification and accreditation is preferred. At least 5 years progressive experience in an IT security role maintaining secure networks in a MS-Windows and Linux environment. Expert knowledge of and experience in LAN/WAN/VLAN communications, VPN configuration and enterprise wireless networking. Firewall configuration, management and monitoring experience is essential. Experience of Fortigate products preferable. TCP/IP networking stack, DNS, DHCP, RADIUS/AAA, Active Directory, SSL, 2FA, OT skills are essential for this position. Knowledge of information security standards (e.g., ISO 17799/27002/27001/PCI DSS/SIEM, etc.), rules and regulations related to information security and data confidentiality (e.g., FERPA, HIPAA, etc.) and key network security principles for risk identification and analysis. Responsibilities: Review and manage our network security services in line with our Group security objectives and policies. Monitor and administer the security of our internal and external corporate network communications, including routers, switches, firewalls, DMZ, servers, WiFi, OT, telephony and LAN/WAN/VPN communication services. Constantly review the IP space across the organisation ensuring our TCP/IP stack, VLANs, IP subnet, DNS, DHCP, VPNs, and VoIP traffic is well designed, secure and optimised. Ensure best practices are used for delivering network security. Continually monitor, maintain and test our threat landscape and security posture. Perform regular reviews of our current security solutions and processes, identifying opportunities for optimisation for over 200 office, home and field-based employees. Provide day-to-day cyber security guidance and support to relevant technical & business stakeholders. Coordinate investigations and reporting of security incidents related to Network, Systems and Applications. Diagnose root causes of system failures and implement appropriate corrective actions. Technologies: Active Directory Firewall FortiGate Support LAN Linux Network Security TCP/IP VPN Windows More: We are looking for an IT Network Security Engineer to ensure that our IT networks and communications are well designed, secure, optimal, and function consistently across all operations. At our company, IT cyber security is crucial to our success. Some of the benefits we offer include a company pension scheme with a 5% contributory option, a salary sacrifice scheme, life assurance, and a hybrid working policy. Our working hours are from 8:30 AM to 5:00 PM, Monday to Friday. last updated 5 week of 2026