Low-Latency Network Operations Engineer — London

Ocean Red; Greater London; On-site; GBP 40,000 - 60,000; Full time

Job summary

Ocean Red in London is seeking a network operations professional to maintain and scale a low-latency, cloud and on‑premises infrastructure. You’ll focus on reliability, security, and operational excellence across live trading platforms and client connectivity.

The role emphasizes hands‑on routing, switching and firewall work, with opportunities to own changes and participate in capacity planning as you grow within a small expert team.

Qualifications

• Four or more years in network and firewall engineering, with hands‑on RSTP and OSPF, and configured/troubleshot network and security kit on Cisco or Arista.
• Strong understanding of BGP in live environments, even if not in production yet.
• CCNA level certification and interest in network operations and support.

Responsibilities

• Run daily checks on network and security infrastructure, catching faults before they become wider issues
• Investigate incidents using monitoring tools, logs and packet captures, then help drive root-cause analysis
• Handle client onboarding, access requests and decommissioning
• Work with telecoms providers to resolve circuit, leased-line and connectivity issues
• Deliver and validate planned network and security changes
• Support live platforms during operational hours and contribute to capacity planning
• Keep network diagrams, procedures and operational documentation up to date
• Contribute to infrastructure projects, taking on more ownership as you grow

Skills

Routing

Switching

Firewalls

OSPF

BGP

Packet analysis

Tools

Cisco

Arista

Job description

Ocean Red in London is seeking a network operations professional to maintain and scale a low-latency, cloud and on‑premises infrastructure. You’ll focus on reliability, security, and operational excellence across live trading platforms and client connectivity.

The role emphasizes hands‑on routing, switching and firewall work, with opportunities to own changes and participate in capacity planning as you grow within a small expert team.