Global Low-Latency Network Architect & Tech Lead

Elity Global; Sydney; On-site; AUD 180,000 - 240,000; Full time

Job summary

Elity Global in Sydney seeks a technical leader to evolve its ultra‑low‑latency trading network across international markets. The role blends hands‑on engineering with strategic leadership to connect trading systems, exchanges and data centres.

You will mentor engineers, design scalable architectures, implement network automation in Python and CI/CD, and collaborate with trading and software teams to resolve performance challenges.

Qualifications

• Extensive experience engineering large-scale, low-latency networks.
• Proven technical leadership including mentoring network engineers.
• Deep expertise in routing, switching, network architecture and performance optimisation.
• Strong data centre networking, WAN connectivity and colocation knowledge.
• Experience with multi-vendor production infrastructure.
• Strong network automation skills using Python, Ansible or similar.
• Experience with network telemetry, packet analysis and observability.
• Ability to balance latency, reliability and scalability in architectural decisions.
• Experience in HFT or electronic trading is advantageous.

Responsibilities

• Lead a team of network engineers responsible for latency-sensitive trading infrastructure.
• Architect high-performance networks across exchange colocations, data centres and global WANs.
• Optimise latency, routing, switching, traffic flows and overall performance.
• Design resilient topologies with redundancy and fault tolerance.
• Drive network automation through Python, IaC, automated provisioning and CI/CD.
• Build telemetry, monitoring and diagnostics to identify bottlenecks.
• Lead expansions, connectivity upgrades and complex deployments.
• Troubleshoot production issues and improve network reliability.
• Collaborate with trading, Linux and software teams to solve performance challenges.

Skills

Low-latency networks

Network architecture

Performance optimization

Leadership

Python

Ansible

Telemetry

Observability

Troubleshooting

Multi-vendor networks

Job description

Elity Global in Sydney seeks a technical leader to evolve its ultra‑low‑latency trading network across international markets. The role blends hands‑on engineering with strategic leadership to connect trading systems, exchanges and data centres.

You will mentor engineers, design scalable architectures, implement network automation in Python and CI/CD, and collaborate with trading and software teams to resolve performance challenges.