Linux Systems Engineer – Production Infra & Automation

Jane Street SG; Hong Kong; On-site; HKD 240,000 - 360,000; Full time

Job summary

Jane Street SG is seeking Linux Engineers to join the team that maintains the infrastructure underpinning our technology. The role spans on-prem and cloud infrastructure across compute, storage, networking, and orchestration, with deep focus in a few areas.

You will build in-house tools, integrate open-source technologies, and act as a Linux expert while mentoring others. The environment emphasizes relentless automation and robust software engineering.

Qualifications

• Knowledge of operating system fundamentals, computer architecture, and systems programming concepts such as sockets, virtual memory, and the process life cycle.
• Able to understand network protocols at a basic level.
• Comfortable at the command line of a Linux machine and fluent in introspection and troubleshooting: system health, processes, logs.
• Someone who solves problems by writing code and cares about robust software engineering.

Responsibilities

• Build in-house tools and integrate open-source technologies so they feel native to our infrastructure.
• Act as a Linux expert and teach other engineers specialist skills like systems debugging.
• Automate our own work to improve speed and reliability.
• Diagnose and resolve production issues in real time under time pressure.
• Carry out scheduled platform upgrades, migrations, capacity changes and rollouts.

Skills

OS fundamentals

Networking basics

Linux CLI

Debugging

Programming

Job description

Jane Street SG is seeking Linux Engineers to join the team that maintains the infrastructure underpinning our technology. The role spans on-prem and cloud infrastructure across compute, storage, networking, and orchestration, with deep focus in a few areas.

You will build in-house tools, integrate open-source technologies, and act as a Linux expert while mentoring others. The environment emphasizes relentless automation and robust software engineering.