A leading quantitative trading firm is looking for a senior network engineer to take technical ownership of its global low-latency network. You'll shape architecture, lead major infrastructure projects and set the engineering bar for the wider network team, while staying hands-on when complex problems come up.

What you'll do

1. Lead the design and continuous optimisation of a global, low-latency network supporting 24/7 trading and research
2. Own major network projects end to end, from architecture and technology choices through to rollout and ongoing management
3. Drive network strategy, capacity planning and infrastructure improvements
4. Mentor network engineers and set engineering standards and best practices
5. Oversee complex routing, switching and multicast environments for performance and availability
6. Act as the escalation point for difficult latency, reliability and connectivity issues
7. Partner with systems engineering, trading operations and other technology teams
8. Evaluate new hardware, connectivity options and technologies to improve latency, resilience and scale

What you'll bring





1. 8+ years in network engineering, ideally in low-latency, HFT or similarly demanding environments
2. A track record of technical leadership: owning infrastructure, leading projects or guiding other engineers
3. Deep Layer 2/3 knowledge, including OSPF, BGP, PIM and IGMP
4. Extensive hands-on experience with Arista and Cisco equipment
5. Solid understanding of multicast market data distribution, global WAN and low-latency design
6. Packet analysis and troubleshooting with tools such as tcpdump and Wireshark
7. Comfortable on the Linux command line; exposure to Python and automation tools such as Ansible or Salt
8. Firewalls, VPNs and NAT experience; familiarity with data centre infrastructure and public cloud networking
9. Bonus: microwave networks or optical transport systems
10. Degree in Computer Science, Electrical Engineering or a related field

Interested? Apply now to hear more about this opportunity.

📌 Lead Network Engineer – Low-Latency Trading Infrastructure - Sydney
🏢 Westbury Partners
📍 Sydney