Salary: £50,000 - 90,000 per year Requirements: 5 years in a Technical IT role in a Microsoft environment CCNA/CCNP certification (mandatory) Strong experience with LAN/WAN/VLAN, VPNs, and enterprise-grade switching (Dell preferred) Firewall configuration and management (Fortigate experience highly desirable) Solid understanding of TCP/IP, DNS, DHCP, SSL, 2FA, and AD Familiarity with VMware/ESXi, SCCM/MECM, Veeam, CrowdStrike, and Cortex XDR is a plus Excellent troubleshooting, communication, and time-management skills Proactive, collaborative mindset with a flexible and methodical approach Responsibilities: Designing and managing robust, secure network infrastructure in line with Group IT and security standards Administering routers, switches, firewalls (Fortigate), VPNs, VLANs, servers, telephony, and LAN/WAN systems Overseeing IP address management, DNS, DHCP, VoIP, and VPN traffic to ensure performance and security Planning and testing hardware lifecycle, hot-swaps, failovers, and business continuity procedures Collaborating with internal IT and Group SOC teams to implement preventative security measures Maintaining detailed documentation, including network schematics and technical processes Providing hands-on support for endpoint hardware, client installation, and end-user training Supporting MS Active Directory, Group Policies, O365, and secure email/web environments Technologies: Active Directory Firewall FortiGate Hardware Support LAN Network Security TCP/IP VPN VMware Veeam Web Office 365 More: We are Wise Employment, a rapidly expanding company based in Exeter. We are looking for an IT Network Security Engineer to join our team in a Full-Time Permanent role, working 38.75 hours a week, Monday to Friday, from 8:30 am to 5pm. This position offers a competitive salary starting from £36,500 (possibly higher for the right candidate) along with fantastic benefits including 24 days holiday (rising to 27), bank holidays, hybrid working based on team and business needs, a contributory pension and life assurance, flexitime, cycle to work scheme, free eye tests, staff discounts, and ongoing training and development support. We are excited to welcome a new team member who shares our commitment to network security and excellence. last updated 5 week of 2026