Senior Low-Latency Network Engineer - Global Trading Infra

Millennium Management LLC; Greater London; On-site; GBP 120,000 - 180,000; Full time

Job summary

Millennium is seeking a High‑caliber Low Latency Network Engineer to design and implement ultra‑fast networking for trading and data colocation. You will own global projects from design to deployment and push forward with research on cutting‑edge technologies.

Applicants should bring 7+ years of hands‑on experience, expert multicast, time sync, Linux scripting, and a track record in latency‑sensitive environments. Collaboration with global teams is essential.

Qualifications

• 7+ years in network engineering, operations and support in a global organization.
• Expert in low-latency networking, multicast (IGMP, PIM), and time synchronization concepts.
• Strong Linux and scripting skills; Python, Bash, and automation tooling.

Responsibilities

• Engineer low‑latency network solutions for trading, market data, and colocation environments.
• Own global network projects from requirements through design, cost analysis, implementation and deployment.
• Lead research and evaluation of new network technologies, including RF and low‑latency transport.
• Configure, install, maintain, and support critical network hardware and software.
• Research, evaluate costs for data circuits to meet connectivity requirements.
• Design and implement highly available, low‑latency market data networks.
• Deploy, monitor, and troubleshoot network infrastructure with on‑call readiness.
• Maintain infrastructure documentation, policies, and procedures.

Skills

7+ years experience

Low-latency networking

IGMP/PIM multicast

Layer 2/Layer 3 networking

BGP

OSPF

Arista/Cisco technologies

FPGA knowledge

Time synchronization (PT, White Rabbit

Linux shell

Python

Bash

Ansible

AI/ML for network performance

Prometheus

Grafana

Tools

Arista

Cisco

FPGA

Prometheus

Grafana

TensorFlow

PyTorch

scikit-learn

Ansible

Job description

Millennium is seeking a High‑caliber Low Latency Network Engineer to design and implement ultra‑fast networking for trading and data colocation. You will own global projects from design to deployment and push forward with research on cutting‑edge technologies.

Applicants should bring 7+ years of hands‑on experience, expert multicast, time sync, Linux scripting, and a track record in latency‑sensitive environments. Collaboration with global teams is essential.