Network & Infrastructure Engineer

Summary

Network & Infrastructure Engineer managing large-scale enterprise networks, handling routing protocols, network security, firewalls, VPNs, VMware vSphere virtualisation, and Windows Server administration.

Salary: £50,000 - 55,000 per year

Requirements:
  • Proven experience managing large-scale enterprise network environments
  • Strong understanding of routing and core network protocols including TCP/IP, DNS and DHCP
  • Deep knowledge of network security principles and technologies
  • Experience with firewalls, VPNs and encryption standards
  • Hands-on experience with virtualisation platforms such as VMware vSphere
  • Strong Windows Server administration experience
  • Exposure to containerisation technologies would be beneficial
  • Experience working within structured IT service environments
  • CCNP / CCIE
  • JNCIP
  • ITIL certification or framework exposure
Responsibilities:
  • Designing and maintaining enterprise-level network architecture including LAN, WAN, WLAN and VPN
  • Ensuring high availability, performance and scalability across network services
  • Troubleshooting and resolving complex network and infrastructure issues
  • Managing and configuring network hardware including routers, switches, firewalls and load balancers
  • Leading infrastructure upgrades, migrations and improvement projects
  • Implementing secure remote access solutions using VPN, IPsec, SSL/TLS and SSH
  • Managing network security controls including firewall policies, IDS/IPS, encryption and PKI
  • Monitoring network performance, capacity and security, identifying opportunities for optimisation
  • Supporting disaster recovery and business continuity planning
  • Managing patching, system updates and configuration backups
  • Producing and maintaining technical documentation
  • Providing technical guidance and mentoring to junior team members
  • Supporting incident response and participating in on-call support where required
Technologies:
  • Firewall
  • Hardware
  • Support
  • ITIL
  • LAN
  • Network
  • Security
  • TCP/IP
  • VPN
  • VMware
  • WLAN
  • Windows
  • DevOps

More:

We are a well-established organisation in West Wales offering a permanent, full-time Senior Network & Infrastructure Engineer role on-site. This hands-on senior position focuses on designing, maintaining and improving enterprise network environments, with a salary from £50,000 to £55,000. You will join a forward-thinking IT function using modern technologies in a technically strong environment, where you will play a key role in infrastructure strategy, project delivery and operational excellence.

last updated 35 week of 2026

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