Overview

This range is provided by RedRock Resourcing. Your actual pay will be based on your skills and experience — talk with your recruiter to learn more.

A leading IT Managed Service provider in central London who provide solutions across Cloud, Connectivity, Cyber Security & Communications, are looking for an experienced 3rd Line Network Engineer to join them.

You will come with strong L2/L3 Routing & Switching skills and hands-on expertise with Next-Gen Firewalls (Fortinet / Palo Alto).

You’ll handle complex escalations, deliver network changes, and support customer infrastructure across a diverse tech stack.

What you’ll do:

• Own and resolve 3rd line support tickets
• Design and implement network changes
• Support project delivery and mentor 2nd line engineers
• Document solutions and perform DR/failover testing
• Advanced L2/L3 networking (OSPF, BGP, EIGRP, RIP)
• Fortinet and/or Palo Alto firewall configuration
• Experience with Cisco, Meraki, Aruba, Juniper
• Strong troubleshooting and packet analysis
• CCNP or equivalent level knowledge
• Familiarity with cloud (Azure/AWS) and network automation (Python/Ansible)

Paying well and offering hybrid working & career progression.

Responsibilities & Qualifications

• Seniority level: Mid-Senior level
• Employment type: Full-time
• Job function: Customer Service, Information Technology, and Other
• Industries: IT Services and IT Consulting, IT System Training and Support, and Information Services