Global Network Engineer for Trading Platform Infra

Referment; Greater London; On-site; GBP 65,000 - 90,000; Full time

Job summary

Referment is partnering with a leading technology-driven investment firm to hire a Network Engineer to join its global Infrastructure team. The role focuses on designing, building, and supporting the network that underpins a fast-paced trading platform and technology estate.

You'll work in a lean, collaborative team, handling projects and operational engineering, with ownership of critical infrastructure and opportunities to automate tasks and improve performance.

Qualifications

• 5+ years of Network/Infrastructure Engineering experience.
• Strong understanding of enterprise networking concepts (TCP/IP, VLANs, VPNs, DNS, DHCP, routing, switching).
• Hands-on experience with Cisco networking technologies (Cisco IOS).
• Experience troubleshooting complex enterprise networks.
• Scripting or automation (Python/PowerShell/Bash).
• Experience supporting Windows and Linux servers.

Responsibilities

• Design, implement and support the firm's enterprise network infrastructure.
• Manage and optimise switching, routing, firewalls, VPNs, wireless networking and core connectivity.
• Monitor, troubleshoot and resolve complex network issues.
• Improve network performance, resilience and availability across global environments.
• Collaborate with infrastructure and engineering teams on deployments and upgrades.
• Automate operational tasks using scripting and tooling.
• Support Windows and Linux server environments as part of the broader team.
• Contribute to evolving infrastructure architecture and best practices.

Skills

TCP/IP

VLANs

VPNs

Routing

Switching

Cisco IOS

Scripting

Windows/Linux

Tools

Cisco Networking Technologies

Job description

Referment is partnering with a leading technology-driven investment firm to hire a Network Engineer to join its global Infrastructure team. The role focuses on designing, building, and supporting the network that underpins a fast-paced trading platform and technology estate.

You'll work in a lean, collaborative team, handling projects and operational engineering, with ownership of critical infrastructure and opportunities to automate tasks and improve performance.