Overview

As a Trading Infrastructure engineer, you play a key role in the delivery of critical technology solutions that support Susquehanna's business objectives. The ideal candidate will possess a deep understanding of the software development life cycle, IT operational processes, and strong systems thinking. The expectation is that you’re able to own the architecture and design of the systems and tools that enable automating and optimizing our operations and processes, build and maintain tools for deployment, monitoring and operations, as well as troubleshooting and resolving issues across our environments. Your work will focus on:

- Improving resilience of our systems in production
- Provide technical leadership and direction for the Trading Infrastructure team
- Unblock strategic projects across the team

Overview

As a Trading Infrastructure engineer, you play a key role in the delivery of critical technology solutions that support Susquehanna's business objectives. The ideal candidate will possess a deep understanding of the software development life cycle, IT operational processes, and strong systems thinking. The expectation is that you’re able to own the architecture and design of the systems and tools that enable automating and optimizing our operations and processes, build and maintain tools for deployment, monitoring and operations, as well as troubleshooting and resolving issues across our environments. Your work will focus on:

- Improving resilience of our systems in production
- Provide technical leadership and direction for the Trading Infrastructure team
- Unblock strategic projects across the team
- Improve developer productivity

In This Role, You Will

- Design, implement and manage our CI/CD pipelines on different platforms and environments.
- Work closely with production engineers and developers in a tight knit business facing team
- Automate processes to gain efficiency and quality.
- Administer and monitor different environments and systems health.




- Manage and configure cloud infrastructure services.
- Take an automation first approach in responsible areas including trading systems and development lifecycles systems and backup operations.
- Help troubleshoot issues during testing and provide production launch support.
- Provide support and troubleshooting on production systems including diagnosing and resolving post deployment issues, patching servers, implementing automated server hardening policies, investing / resolving and downtime incidents.

What We're Looking For

- Strong experience in infrastructure support, deployment and monitoring.
- Must have strong technical skills in scripting (e.g. Python, PowerShell etc.).
- Experience in either Windows or Linux operating systems
- Experience in messaging systems, and experience debugging network protocols such as TCP, multicast, would be highly regarded
- Hands-on experience with CI/CD orchestration tools
- Exposure to deployment orchestration platforms (e.g. Octopus Deploy)
- Proficiency with enterprise version control platforms (e.g. GitLab)
- Understanding and practical application of security models (e.g., RBAC)
- B.S. in a technical discipline or equivalent experience.
- Financial trade floor experience is a plus but not essential, training will be provided

Personal Skills

- Initiative – proven record of seeking continuous improvement and implementing best practice in technology environment
- Ability to work under pressure and tight deadlines
- Self-motivated and creative
- Strong communication (verbal and written) – ability to convey technically complex subjects in a transparent and concise manner




- Attention to detail – thorough in work carried out
- Interpersonal – friendly and approachable
- Teamwork – working together to meet deadlines
- Excellent time management, organization and prioritization skills
- Flexibility – all members of the team participate in early morning and out of hours support schedules
- Desire to learn and improve skills and knowledge

About Susquehanna

Susquehanna is a global quantitative trading firm powered by scientific rigor, curiosity, and innovation. Our culture is intellectually driven and highly collaborative, bringing together researchers, engineers, and traders to design and deploy impactful strategies in our systematic trading environment. To meet the unique challenges of global markets, Susquehanna applies machine learning and advanced quantitative research to vast datasets in order to uncover actionable insights and build effective strategies. By uniting deep market expertise with cutting-edge technology, we excel in solving complex problems and pushing boundaries together.

What We Do

We are experts in trading essentially all listed financial products and asset classes, with a focus on derivatives trading. Through market making and market taking, we handle millions of trading transactions around the world every day, providing liquidity and ensuring competitive prices for buyers and sellers. While our presence in the market is broad, our trading desks are highly specialised, allowing for a deep understanding of unique drivers of each asset class.

Equal Opportunity Statement

We encourage applications from candidates from all backgrounds, and we welcome requests for reasonable adjustments during the recruitment process to ensure that you can best demonstrate your abilities.

Susquehanna is an equal opportunity employer. If you need assistance and/or a reasonable accommodation due to a disability during the application or recruitment process, please contact us.

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📌 Trading Infrastructure Engineer (Sydney)
🏢 Susquehanna International
📍 Sydney