Salary: £40,000 - 47,000 per year Requirements: 5 years in a Network Engineer or Infrastructure Engineer role Strong knowledge of TCP/IP, VLAN, VXLAN, EVPN, VPC, MLAG Deep experience with BGP, OSPF, EIGRP routing protocols Firewall configuration experience: Palo Alto, Cisco ASA, FortiGate VPN setup and support (IPSEC, remote access) Familiarity with Wireshark, SNMP, and monitoring tools Cross-platform support (Windows, Linux, macOS) Microsoft Active Directory design and maintenance experience Strong documentation, communication, and team leadership skills Desirable: CCNA/CCNP certifications Must be DV clearable Responsibilities: Deploy and manage LAN, WAN, and WLAN networks for secure enterprise environments Troubleshoot complex Layer 2 and Layer 3 networking issues Document network topologies and configurations Monitor and enhance performance across network infrastructure Install and maintain firewalls - Palo Alto, Cisco ASA (AnyConnect), FortiGate Manage VPNs, IPSEC tunnels, and certificate-based authentication Contribute to AD design and secure environment management Mentor junior staff and act as a key escalation point Participate in incident response and root cause analysis Technologies: Active Directory Cisco Firewall FortiGate Support LAN Linux macOS Network Security TCP/IP VPN WLAN Windows DevOps More: We are a security-sensitive organization located in East Birmingham, seeking an experienced Infrastructure Engineer to join our team on a full-time, on-site basis. This role offers the opportunity to support mission-critical IT infrastructure in a high-trust environment. We provide a competitive salary between £40,000 and £47,000 along with additional benefits. If you are ready to contribute your expertise in a forward-thinking organization, we encourage you to apply. last updated 11 week of 2026