Lead Linux Infra Engineer - Real-Time Trading

Westbury Partners; Sydney; On-site; AUD 180,000 - 260,000; Full time

Job summary

Westbury Partners is seeking a senior Linux-focused infrastructure engineer to own and optimize real-time trading environments. You will design, deploy, and maintain global Linux-based infrastructure, lead critical projects, and drive automation across hardware, networks, and applications.

The role requires expert Linux, extensive scripting in Python and Bash, and strong experience with Debian/Ubuntu. Expect on-call rotations and close collaboration with engineering teams to improve performance

Qualifications

• 7+ years of experience supporting live production environments, preferably within financial trading.
• Expert-level knowledge of Linux systems, including hardware, networking, kernels and applications.
• Strong experience with Debian or Ubuntu distributions.
• Proficiency in configuration management tools such as SaltStack, Puppet, Ansible or Chef.
• Advanced Python programming skills with a focus on automation and integration.
• Extensive Bash scripting experience and strong command-line capabilities.

Responsibilities

• Take a leading role in engineering, maintaining and optimizing Linux-based trading infrastructure.
• Design, manage and optimize global Linux-based trading infrastructure.
• Lead complex infrastructure projects, system installations and upgrades.
• Develop automation solutions to streamline infrastructure management.
• Troubleshoot hardware, networking, kernel and application-level issues across the stack.
• Deploy, configure and maintain internal and external production applications.
• Resolve production incidents while maintaining availability and reliability.
• Benchmark and fine-tune trading systems for maximum performance and minimal latency.
• Manage vendor escalations and drive accountability for infrastructure performance.
• Collaborate with engineering teams to enhance system architecture and operational efficiency.
• Participate in on-call rotations covering trading hours and weekend operations.

Skills

Linux systems

Python automation

Bash scripting

Production debugging

JIRA

Cloud (AWS/GCP)

Tools

SaltStack

Puppet

Ansible

Chef

Debian/Ubuntu

Job description

Westbury Partners is seeking a senior Linux-focused infrastructure engineer to own and optimize real-time trading environments. You will design, deploy, and maintain global Linux-based infrastructure, lead critical projects, and drive automation across hardware, networks, and applications.

The role requires expert Linux, extensive scripting in Python and Bash, and strong experience with Debian/Ubuntu. Expect on-call rotations and close collaboration with engineering teams to improve performance