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

Base pay range

3rd Line Network Security Engineer - Next Gen Firewalls / CCNP

Hybrid Working - London

Salary: Up to £75k DOE + 5% on-call

We’re partnering with a rapidly growing, award-winning UK MSP to hire a 3rd Line Network Security Engineer. This role focuses on next-gen firewalls, routing, and switching while supporting a high-performing client base in a collaborative, technically driven environment.

What You’ll Be Doing:

• Provide 3rd Line support and own escalation tickets from 2nd Line engineers.
• Design, implement, and maintain next-gen firewall, routing, and switching solutions.
• Plan and deliver assigned network projects, including DR/failover testing.
• Document solutions (CMDB, Visio, technical summaries).
• Mentor and support 2nd Line engineers.
• Collaborate with Solution Delivery to implement new customer projects.
• Participate in an on-call rota for high-priority incidents.

Technical Environment:

• SD-WAN: Citrix, Viptela, Meraki, Fortinet, Nuage

What We’re Looking For:

• Strong knowledge of next-gen firewalls, routing, and switching.
• Proven experience troubleshooting security devices, OSPF, BGP, and VPNs.
• Proficient in packet capture and root-cause analysis.
• Familiarity with Cloud (Azure/AWS) and network automation (Ansible/Python) a plus.
• Previous MSP experience preferred.

Why Join?

• Work with an award-winning, client-focused MSP at the forefront of cloud, connectivity, and communications.
• Hybrid working with flexible arrangements.
• Exposure to cutting-edge network and security technology.
• Collaborative, culture-focused environment with career growth opportunities.

Seniority level

Mid-Senior level

Employment type

Full-time

Job function

Information Technology

IT Services and IT Consulting and IT System Operations and Maintenance