Our client is a globally recognised, cutting-edge technology firm with a presence across every major region worldwide. Known as an employer of choice on the international stage, they offer an exceptional engineering culture alongside the unique commercial and financial upside that comes with building technology at the heart of contemporary trading. Drive performance improvements across trading infrastructure through deep analysis, experimentation, and system-level optimisation.

What You'll Do:

Enhance system performance across trading infrastructure by analysing system behaviour, identifying inefficiencies, and delivering targeted optimisations across multiple technology layers.

Your responsibilities will include:

- Conducting deep performance analysis on complex systems
- Reverse engineering system interactions and bottlenecks
- Designing statistical experiments to validate improvements
- Developing prototype tools and optimisation techniques
- Working closely with cross-functional technical teams




- Continuously improving system reliability and performance

Why Join Us:

- Work on highly complex performance-critical systems
- Influence real-time technology operating at extreme speeds
- Collaborate with experts across multiple engineering disciplines
- Be part of a culture focused on experimentation and innovation

About You:

You’re technically curious, detail-oriented, and experienced in analysing low-level systems performance, with strong skills across Linux, networking, and performance tuning.

If uncovering hidden performance gains excites you, this role offers the scale, complexity, and challenge to sharpen your expertise.

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📌 Senior Systems Performance Engineer (City of Sydney)
🏢 Westbury Partners
📍 City of Sydney