Low-Latency Network Engineer for Trading Platforms

IEX Group; Dublin; On-site; EUR 80,000 - 110,000; Full time

Job summary

IEX is seeking a Network Engineer to join our Dublin team. You will operate, maintain, and troubleshoot our high-performance network infrastructure as we expand trading platforms and a new options exchange.

The role reports to our Ireland team and offers an annual base pay in the €80,000–€110,000 range with bonus potential. Strong fundamentals and a willingness to learn our environment are valued.

Qualifications

• 5+ years of hands-on network engineering or network operations experience.
• Strong understanding of TCP/IP, BGP, OSPF, VLANs, VRFs, STP and routing fundamentals.
• Experience configuring switches, routers, firewalls in production network environments.
• Experience with network monitoring, troubleshooting, upgrades, and performance tuning.
• Exposure to Python, Ansible, or other network automation tools.

Responsibilities

• Operate, maintain, monitor, and troubleshoot resilient, high-performance network infrastructure.
• Configure and maintain switches, routers, and firewalls from vendors such as Arista, Cisco, Juniper, and Fortinet.
• Support network deployments, upgrades, capacity planning, and performance improvements.
• Troubleshoot connectivity, routing, packet loss, and network performance issues.
• Use scripting and automation tools such as Python, Ansible, or similar technologies to improve network operations.
• Work closely with Network Engineers, Data Center Engineers, SREs, vendors, and other teams to resolve issues and maintain reliable infrastructure.
• Provide operational coverage during the European morning to support IEX’s U.S. infrastructure and trading operations.

Skills

Network engineering

TCP/IP

BGP

OSPF

VLANs

VRFs

STP

Python

Ansible

Network automation

Troubleshooting

Communication

Tools

Arista

Cisco

Juniper

Fortinet

Job description

IEX is seeking a Network Engineer to join our Dublin team. You will operate, maintain, and troubleshoot our high-performance network infrastructure as we expand trading platforms and a new options exchange.

The role reports to our Ireland team and offers an annual base pay in the €80,000–€110,000 range with bonus potential. Strong fundamentals and a willingness to learn our environment are valued.