IT Network Infrastructure Engineer

We are looking for a skilled and motivated Network Infrastructure Engineer to join our IT Infrastructure Team. The role will play a key part in the design, support and maintenance of RBTG’s network infrastructure across both on-premises and cloud environments.

The successful candidate will have a strong technical foundation in routing and switching, together with practical experience across LAN, WAN, VPNs, wireless networks and firewalls. The role will involve the day-to-day operation and support of the network environment, as well as contributing to infrastructure projects, enhancements and continuous improvement initiatives.

Support the implementation, configuration and maintenance of a complex network infrastructure, including LAN/WAN, VPN, wireless, routing, switching and firewall platforms, within a predominantly Cisco-based network environment.

Proactively monitor network performance, capacity, availability and security, identifying and resolving potential issues before they impact business operations wherever possible.

Take ownership of assigned network infrastructure and operational tasks and see them through to completion.

Troubleshoot and resolve network and connectivity issues, escalating more complex problems when required.

Carry out root cause analysis following incidents and contribute to preventative actions.

Support routine maintenance, including firmware upgrades, patching, configuration changes and system optimisation.

Identify opportunities to improve network reliability, performance, security and operational efficiency.

Review configurations, monitoring alerts and processes to identify potential issues and improvements.

Recommend and implement practical improvements, including automation where appropriate.

Contribute to technical discussions and the ongoing development of the network environment.

Ensure network infrastructure is operated in line with security best practice and organisational policies.

Support security audits, vulnerability assessments and remediation activities.

Implement security patches and updates as required.

Ensure network changes are appropriately planned, tested, documented and implemented through the established change management process.

Support the delivery of network and infrastructure projects, including implementation, testing and deployment.

Assist with the introduction of new network technologies and infrastructure improvements.

Work with senior engineers and other IT teams to deliver changes and resolve technical issues.

Maintain accurate technical documentation and contribute to knowledge sharing within the team.