Network Engineer (2nd Line Networking; Next-Gen Firewalls)

IP-People; London; On-site; GBP 45,000 - 60,000; Full time

Job summary

A leading Managed Service Provider in London is seeking a Network Engineer to join their 24/7 operations team. This mid-senior level role involves troubleshooting Layer 2 and 3 customer issues with Next-Gen Firewalls. Candidates should have relevant networking experience, including certifications like CCNA or JNCIS. This position offers full-time employment in a dynamic IT environment.

Qualifications

• Experience with Next-Gen Firewalls - Fortigate, Palo Alto etc.
• Solid understanding of networking principles.
• Strong grasp of Layer 2 & 3 protocols.

Responsibilities

• Troubleshoot and resolve customer network issues.
• Manage support tickets, incidents, and changes.
• Deliver clear communication with customers.

Skills

Next-Gen Firewalls experience

Understanding of networking principles

Knowledge of Layer 2 & 3 protocols

Cisco or Juniper experience

Firewall experience

Education

Cisco, Juniper, or equivalent certifications

Job description

Overview

Network Engineer | 24/7 Operations | Next Generation Firewalls

A highly successful Managed Service Provider, offering Connectivity, Cloud, Infrastructure, and more are seeking a Network Engineer to join their 24/7 operations team.

Location: London (24/7 shift pattern – 2 days, 2 nights, 4 off)

The Role

As a 2nd Line Network Engineer, you’ll take ownership of Layer 2 and 3 customer tickets, changes, and requests, as well as working with Next Gen Firewalls. You would be working closely with and receiving training/guidance from senior engineers to resolve technical challenges.

• Troubleshoot and resolve customer network issues across switching, routing, wireless, and security environments
• Manage support tickets, incidents, and changes with professionalism and accountability
• Deliver clear, consistent communication with customers and internal teams
• Contribute to project delivery by assisting with configuration and implementation
• Maintain accurate documentation including Visio diagrams and technical summaries

What You’ll Bring

• Experience with Next-Gen Firewalls - Fortigate, Palo Alto etc
• Solid understanding of networking principles (CCNA R&S / JNCIS-ENT level knowledge)
• Strong grasp of Layer 2 & 3 protocols (BGP, OSPF, EIGRP, HSRP, VRRP)
• Cisco or Juniper experience
• Cisco, Juniper, or equivalent certifications (CCNA, CCNP, JNCIS)
• Firewall experience (Fortinet, Palo Alto, Cisco)

Senior / Employment Details

• Seniority level: Mid-Senior level
• Employment type: Full-time
• Job function: Information Technology
• Industries: IT Services and IT Consulting

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