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Low Latency Network Engineer

Millennium Management LLC
London
3 weeks ago
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Low Latency Network EngineerApply locations London - 62 Buckingham Gate time type Full time posted on Posted 12 Days Ago job requisition id REQ-25608 Low Latency Network Engineer

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.

3. 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, including Layer 1 switches.
    • Knowledge of FPGA and high-performance computing technologies is a plus.
    • Strong understanding of time synchronization protocols, including Precision Time Protocol (PTP, WR) and PPS, and their role in low-latency environments.
    • Experience with network automation tools and frameworks, including Python, Ansible, or similar technologies.
    • Experience leveraging AI/ML-driven tools for network performance optimization, anomaly detection, and predictive analytics. Understanding of AI frameworks and libraries (e.g., TensorFlow, PyTorch, Scikit-learn) and their application in network automation and monitoring.
    • Experience with telemetry and observability frameworks (e.g., Prometheus, Grafana) for real-time network monitoring and troubleshooting.
  • Experience:
    • Minimum of 7 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.

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