Senior Network Engineer: Low-Latency Trading Infra (Hybrid)

Ocean Red Partners Limited; Greater London; Hybrid; GBP 65,000 - GBP 85,000; Full time

Job summary

A financial technology firm is seeking a Senior Network Engineer to work on low-latency, production-grade network infrastructures. This role includes supporting live platforms, engaging with clients for onboarding, and designing network solutions. Candidates should have strong experience in network engineering, particularly with routing protocols, hands-on skills with Cisco/Arista, and confidence in managing firewalls and VPNs. The position offers a hybrid work model with competitive compensation and benefits.

Benefits

Strong base salary

Performance bonus

Full benefits

Qualifications

• Several years in network engineering or network support roles.
• Strong routing and switching fundamentals.
• Hands-on experience with Cisco and/or Arista environments.
• Confidence working with firewalls and VPNs.
• Experience supporting or building VXLAN EVPN architectures.

Responsibilities

• Supporting live platforms during trading hours.
• Designing, building, and upgrading network infrastructure end-to-end.
• Making controlled changes to routing, switching, firewalls, and VPNs.
• Dealing with vendors when escalation is needed.

Skills

Network engineering

Routing and switching fundamentals (BGP, OSPF, ACLs)

Experience with Cisco and/or Arista environments

Working with firewalls (Fortinet or similar)

Diagnosing issues with packet captures

Tools

Cisco

Arista

VMware

Job description

A financial technology firm is seeking a Senior Network Engineer to work on low-latency, production-grade network infrastructures. This role includes supporting live platforms, engaging with clients for onboarding, and designing network solutions. Candidates should have strong experience in network engineering, particularly with routing protocols, hands-on skills with Cisco/Arista, and confidence in managing firewalls and VPNs. The position offers a hybrid work model with competitive compensation and benefits.