Low Latency Network Engineer.

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.