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Network/Infrastructure Engineer (Prop Trading Firms) - Sydney

Seek • Australia
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AI Summary

Design, build, and maintain ultra-low-latency trading infrastructure across co-location sites and exchanges. Collaborate with traders and engineers to optimize performance, troubleshoot production issues, and automate monitoring. Requires deep hands-on experience in routing, switching, Linux, and scripting for mission-critical environments.

Key Highlights
Own end-to-end network/infrastructure for prop trading firms with nanosecond-level latency requirements.
Collaborate with traders, software engineers, and SREs to optimize trading performance.
Hands-on roles with no external customers, vendor black boxes, or change boards—direct impact on trading business.

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Key Responsibilities
Design, build, and maintain ultra-low-latency trading infrastructure across co-location sites and exchanges.
Troubleshoot and resolve production issues in real-time for trading systems.
Collaborate with traders, software engineers, and SREs to optimize infrastructure performance.
Manage switching, routing, multicast market data, cross-connects, servers, and hardware.
Develop and implement monitoring and automation tools for infrastructure reliability.
Technical Skills Required
Networking (Routing, Switching, Multicast, VLANs, Ethernet) Linux (Configuration, Performance Tuning) Scripting & Automation (Python)

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Benefits & Perks
Market-leading compensation (base + cash bonus, no equity or paper options)
Full relocation and visa sponsorship for eligible candidates
Flat hierarchies, technical-first culture with no politics
Unlimited technology budgets for infrastructure upgrades

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Nice to Have
Experience with Arista switching or similar low-latency networking hardware.
PTP/time synchronization expertise.
Packet capture and deep packet inspection skills.

Job Description

I'm working with several prop trading firms in Sydney that are hiring experienced network and infrastructure engineers to design, build and run the low-latency infrastructure their trading depends on.

These are hands-on roles. You'll own the network and infrastructure across co-location sites, exchange connectivity and each firm's internal environment. That covers switching and routing, multicast market data, cross-connects and circuits, servers and hardware, and the monitoring and automation that keep everything running. Latency is measured in nanoseconds and downtime has a direct cost, so the engineering standard is high.

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Job Overview
Posted Nov 06, 2026
Employment Full-time
Experience Mid-Senior level
Location Australia
Category Networking
Company Seek
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