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# Infrastructure Network Engineer

- **Company:** Robert Walters
- **Location:** Milton Keynes, UK
- **Salary:** £40,000.0 - £60,000.0
- **Contract:** Permanent contract
- **Skills:** Cloud Computing, Dynamic Host Configuration Protocol, Domain Name System (DNS), Network Security, Network Architecture, Network Diagrams, Routing, Network Service, Remote Access Technology, TCP/IP, Virtual Local Area Networks, Wide Area Networks, Wireless Networks, Wi-Fi Technology, Computer Network Technologies, Firewalls (Computer Science), Juniper, Fortinet
- **Published:** August 19, 2026
- **Apply:** https://www.careerboard.com/pt/en/find-jobs-in-United-Kingdom/-5EE9FE2B8AD4531D46/

## About the Role

* Strong experience with Fortinet Firewalls.
 * Experience with switch configuration across multiple vendors, both cloud-controlled and CLI
 * Strong WiFi troubleshooting skills (Meraki, Mist).
 * Good understanding of TCP/IP, VLANs, routing and switching.
 * Knowledge of DHCP, DNS, and VPN technologies.
 * Experience in multi-site environments.
 * Understanding of network security principles.

## Description

As an experienced Infrastructure Network Engineer, you will be responsible for the design, support, maintenance and troubleshooting of the group's core infrastructure. There will be a strong focus on networking technologies, including Firewalls, switching and wireless environments.

Infrastructure Network Engineer: Duties

 * Support, monitor, and maintain network infrastructure across all sites.
 * Configure, maintain, and troubleshoot Fortinet Firewalls.
 * Support switching infrastructure across Ruckus/Brocade, Cisco Meraki, and Juniper.
 * Troubleshoot and optimise wireless networks (Meraki and Juniper Mist).
 * Investigate and resolve network performance issues across LAN/WAN environments.
 * Perform network upgrades, patching, and life cycle management.
 * Assist with infrastructure design and site deployments.
 * Provide on-site support for installs and troubleshooting when required.
 * Work with third-party vendors to resolve incidents and deliver projects.
 * Maintain documentation including network diagrams and configurations.
 * Ensure infrastructure aligns with security standards and best practices.
 * Support major incident and problem management processes.


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