hero

Find Your Dream Job Today

Network Engineer - Low Latency

Millennium Management

Millennium Management

IT
London, UK
Posted on Jun 18, 2025
Network Engineer - Low Latency

We are seeking an experienced Network Engineer to join our latency-critical trading infrastructure team. As part of a global follow-the-sun team of network engineers across North America, EMEA, and APAC, the Network Engineer will focus on the architecture, design, development, deployment, and support of Millennium’s high-performance global networks. These networks have extreme uptime requirements and utilize cutting-edge technologies. This role encompasses all aspects of networking, including datacenters, market data, co-location (co-lo), and proximity colocation sites.

Principal Responsibilities

  • Senior Engineering Role:

    • Focus on low-latency network technologies with a balanced mix of project work and operations in the low-latency trading environment, including Market Data, Trading, and co-lo design.

  • Project Management:

    • Own and manage global network projects from start to finish, including requirement gathering, design, cost analysis, implementation, and deployment.

  • Innovation Leadership:

    • Lead research and innovation efforts to introduce new network technologies into the firm, including RF technologies, low-latency transport, routing/switching, and compute technologies.

  • Network Configuration and Support:

    • Configure, install, maintain, and support critical network software and hardware components.

    • Research, price out, and implement data circuits.

    • Design and implement high-availability, low-latency Market Data networks.

  • Operations and Troubleshooting:

    • Deploy, support, and troubleshoot the network infrastructure.

    • Document the IT infrastructure, policies, and procedures.

    • Provide general user support and participate in after-hours work and an on-call rotation.

4. Qualifications/Skills Required

  • Technical Expertise:

    • Expert in low-latency network technologies, including Multicast (IGMP, PIM), L2/L3, and WAN design.

    • Expert in routing protocols such as BGP and OSPF.

    • Experience with Arista, Cisco, and Layer 1 switches.

    • Knowledge of FPGA and high-performance computing technologies is a plus.

  • Experience:

    • Minimum of 10 years of experience in network engineering, operations, and support.

    • Proven ability to work hands-on and take strong technical ownership in a global organization.

  • Networking and Troubleshooting:

    • Expert knowledge of IP networking, TCP/IP, and troubleshooting.

    • Experience with Python and Bash scripting to automate tasks.

    • Strong Linux shell experience.

  • Soft Skills:

    • Strong interpersonal and written communication skills.

    • Proven ability to operate in a fast-paced environment.

    • Passion for delivering high levels of service and support to internal customers.

Why Join Us?

This is an exciting opportunity to work in a high-performance, latency-critical environment where you will collaborate with a global team of experts and work on cutting-edge technologies. If you are passionate about networking, thrive in fast-paced environments, and enjoy solving complex challenges, we encourage you to apply.