3rd Line Network Engineer

JR United Kingdom; Bournemouth; Remote; GBP 40,000 - 65,000; Full time

Job summary

A leading IT services provider is seeking a highly skilled 3rd Line Network Engineer to join their remote IT infrastructure team. The role entails acting as the escalation point for network issues, where expertise in configuring and troubleshooting Fortigate Firewalls is essential. You will be responsible for supporting secure network solutions, ensuring performance reliability, and managing protocols across diverse environments. Ideal candidates will be self-motivated, enjoy customer interactions, and possess strong analytical capabilities to work in a fast-paced IT environment.

Qualifications

• Experience with Fortigate Firewalls and network configuration.
• Strong understanding of TCP/IP, BGP, OSPF, VLANs.
• Excellent troubleshooting and analytical skills.

Responsibilities

• Act as the final point of escalation for network incidents.
• Design and support secure network solutions.
• Monitor network performance and ensure availability.

Skills

Troubleshooting

Network performance monitoring

Configuring Fortigate Firewalls

Understanding of networking protocols

Documentation skills

Communication abilities

Education

Fortinet NSE 4

Tools

Fortigate

Cisco

VMware

Azure

PRTG

Job description

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Fully remote but preference for candidates to be based in Bristol or surrounding areas. Candidates must be based in the UK.

About the Role

We are seeking a highly skilled and proactive 3rd Line Network Engineer to join an MSP client who are growing their IT infrastructure team.

This is a fully remote position, ideal for a self-motivated professional who thrives in a fast-paced environment and is passionate about delivering robust and secure network solutions.

As a 3rd Line Engineer, you will be the escalation point for complex network issues, playing a critical role in maintaining and enhancing our clients' network infrastructure. Experience with Fortigate Firewalls is essential you will be expected to configure, manage, and troubleshoot Fortinet solutions with confidence.

Key Responsibilities

• Act as the final point of escalation for network-related incidents and problems.
• Design, implement, and support secure network solutions across multiple environments.
• Configure and maintain Fortigate Firewalls (FortiOS), including VPNs, policies, and UTM features.
• Monitor network performance and ensure system availability and reliability.
• Participate in on-call support rota to provide 24/7 coverage for critical issues.
• Collaborate with internal teams and external vendors to resolve complex issues.
• Document network configurations, changes, and procedures.
• Proven experience with Fortigate Firewalls (FortiManager/FortiAnalyzer a plus).
• Strong understanding of networking protocols (TCP/IP, BGP, OSPF, VLANs, etc.).
• Experience with enterprise switching and routing (Cisco, HP, or similar).
• VMware / Hyper-V
• Familiarity with network monitoring tools (e.g., PRTG, SolarWinds, Zabbix).
• Modern Workplace environments Windows 10/11
• Windows Server 2016 onwards
• Experience with cloud networking (Azure, AWS, or GCP) is advantageous.
• ITIL
• Excellent troubleshooting and analytical skills.
• Strong documentation and communication abilities.

Desirable Certifications

• Fortinet NSE 4 or higher (strongly preferred)