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

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





What you'll bring

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