Network Engineer – Low-Latency Trading Infrastructure - Sydney

Westbury Partners; Sydney; On-site; AUD 180,000 - 280,000; Full time

Benefits offered by this job

Competitive compensation

Performance-based bonus

Comprehensive benefits

Job summary

Westbury Partners in Sydney seeks a leader to design and optimize a global, high-performance network infrastructure supporting low-latency trading and data research environments across international markets.

You will own architecture, deploy and manage networks across 25+ countries, leveraging Arista and Cisco, Wireshark, Python tooling, and automation to ensure reliability, performance, and scalable growth.

Qualifications

• 5–10 years of experience in network engineering, ideally within high-frequency trading or low-latency environments.
• • Degree in Computer Science, Electrical Engineering or a related technical discipline.
• • Strong understanding of Layer 2/Layer 3 networking, routing protocols and multicast technologies.
• • Hands-on experience managing Arista, Cisco and enterprise networking equipment.
• • Proven expertise in network architecture, capacity planning and infrastructure project management.
• • Proficiency with packet analysis tools such as Wireshark and tcpdump.
• • Familiarity with Linux/Unix environments, firewalls, VPNs and network security.
• • Knowledge of fibre optics, microwave connectivity and optical transmission systems.
• • Exposure to Python, Ansible, Prometheus, Grafana, ELK and public cloud networking is advantageous.
• • Excellent troubleshooting, communication and collaboration skills, with a proactive hands-on approach.

Responsibilities

• Lead the architecture, design and deployment of global enterprise network infrastructure.
• Manage complex routing, switching and network configurations across geographically distributed environments.
• Drive network capacity planning, performance optimization and infrastructure upgrades.
• Oversee Layer 2 and Layer 3 protocols, including OSPF, BGP and multicast technologies.
• Troubleshoot complex networking challenges across LAN, WAN and market data distribution systems.
• Evaluate networking hardware, connectivity solutions, fibre optics and transmission technologies.
• Collaborate with Systems and Trading Operations teams to enhance infrastructure performance.
• Implement monitoring, automation and configuration management solutions to improve operational efficiency.
• Manage infrastructure projects from initial design through deployment and ongoing maintenance.

Skills

HFT networking

Low-latency networks

Network architecture

Routing protocols

Arista & Cisco

Linux/Unix

Packet analysis

Python/Automation

Prometheus

Grafana

ELK

Education

CS/EE degree

Tools

Wireshark

tcpdump

Linux

Ansible

Prometheus

Grafana

ELK Stack

Arista

Cisco gear

Job description

Lead the design and optimization of global, high-performance network infrastructure, delivering ultra-low-latency connectivity, resilient architecture and scalable solutions supporting sophisticated trading and research platforms across international financial markets.

What You’ll Do:

Take ownership of the design, development and ongoing optimization of a sophisticated global network infrastructure supporting high-frequency trading and advanced data research environments. You’ll combine technical leadership with strategic project management, ensuring exceptional network performance, reliability and availability across international markets.

Your responsibilities will include:

• Lead the architecture, design and deployment of global enterprise network infrastructure.
• Manage complex routing, switching and network configurations across geographically distributed environments.
• Drive network capacity planning, performance optimization and infrastructure upgrades.
• Oversee Layer 2 and Layer 3 protocols, including OSPF, BGP and multicast technologies.
• Troubleshoot complex networking challenges across LAN, WAN and market data distribution systems.
• Evaluate networking hardware, connectivity solutions, fibre optics and transmission technologies.
• Collaborate with Systems and Trading Operations teams to enhance infrastructure performance.
• Implement monitoring, automation and configuration management solutions to improve operational efficiency.
• Manage infrastructure projects from initial design through deployment and ongoing maintenance.

Why Join Us:

• Take ownership of mission-critical infrastructure spanning more than 25 countries and 100 locations.
• Work alongside exceptionally talented engineers and technology specialists in global financial markets.
• Influence network architecture, infrastructure strategy and large-scale technology investments.
• Tackle challenging low-latency networking problems where performance and reliability are paramount.
• Enjoy broad technical ownership, meaningful autonomy and the opportunity to make an immediate global impact.
• Access competitive compensation, performance-based bonuses and comprehensive benefits.

About You:

• 5–10 years of experience in network engineering, ideally within high-frequency trading or low-latency environments.
• Degree in Computer Science, Electrical Engineering or a related technical discipline.
• Strong understanding of Layer 2/Layer 3 networking, routing protocols and multicast technologies.
• Hands‑on experience managing Arista, Cisco and enterprise networking equipment.
• Proven expertise in network architecture, capacity planning and infrastructure project management.
• Proficiency with packet analysis tools such as Wireshark and tcpdump.
• Familiarity with Linux/Unix environments, firewalls, VPNs and network security.
• Knowledge of fibre optics, microwave connectivity and optical transmission systems.
• Exposure to Python, Ansible, Prometheus, Grafana, ELK and public cloud networking is advantageous.
• Excellent troubleshooting, communication and collaboration skills, with a proactive hands‑on approach.

Ready to engineer connectivity at a global scale? Take the lead on sophisticated network infrastructure, solve some of the industry’s most demanding performance challenges and help shape the technology powering the next generation of electronic trading.