Network Engineer: Lead Cisco-to-Arista Migration | Hybrid

Deerfoot IT Resources Limited; Greater London; Hybrid; GBP 50,000 - 60,000; Full time

Benefits offered by this job

Discretionary bonus

24 days holiday plus bank holidays

7.5% pension contribution

Private medical cover

Job summary

Deerfoot IT Resources Limited is seeking a Network Engineer to own the availability, performance and security of the UK and European network within an ISO 27001 framework. You’ll manage edge migration from Cisco to Arista, with a follow-up firewall replacement, in-house and hands-on across multiple sites.

The role is hybrid at Sunbury-on-Thames, offering genuine ownership, live project work, and a chance to work directly with the MIS function in a global manufacturing environment.

Qualifications

• Solid hands-on Cisco routing and switching experience in a live environment.
• Firewall experience, ideally Palo Alto, plus VPNs and VLANs.
• Knowledge of wireless and network security best practices in ISO 27001 settings.
• Strong live troubleshooting and independent prioritisation.
• Commercial Arista exposure is a plus, not required.

Responsibilities

• Deliver the Cisco to Arista edge migration and the subsequent Firewall replacement.
• Administer LAN, WAN and site-to-site connectivity across UK and Europe.
• Configure and support Switches, Routers, Firewalls, SD-WAN and wireless gear.
• Maintain ISO 27001 security controls including Firewalls and VPNs.
• Troubleshoot faults live and own firmware, patching, docs, and DR connectivity.

Skills

Cisco routing

Cisco switching

Firewall Palo Alto

VPNs & VLANs

ISO 27001 security

Troubleshooting

Arista exposure

SD-WAN

Wireless networking

Tools

Aruba

VMware vSphere

Zscaler

Cisco certification

Job description

Deerfoot IT Resources Limited is seeking a Network Engineer to own the availability, performance and security of the UK and European network within an ISO 27001 framework. You’ll manage edge migration from Cisco to Arista, with a follow-up firewall replacement, in-house and hands-on across multiple sites.

The role is hybrid at Sunbury-on-Thames, offering genuine ownership, live project work, and a chance to work directly with the MIS function in a global manufacturing environment.