Linux Systems Engineer — Real-Time Production & Automation

Jane Street Singapore Pte. Limited; Singapore; On-site; SGD 120,000 - 180,000; Full time

Job summary

Jane Street Singapore Pte. Limited is seeking Linux Engineers who will work on the critical infrastructure powering trading systems.

You will engage in debugging kernel performance, developing management tools, and resolving production issues in real time, combining in-house and open source software to drive innovation. The team values automation to reduce errors and workload, with ongoing projects in deployment automation, scalable configuration management, and obsessive monitoring.

Qualifications

• Bachelor's degree in Computer Science, Software Engineering or other technical discipline (or equivalent experience)
• Clear and concise communication skills, as well as the ability to efficiently analyze and deconstruct technical problems
• Deep knowledge of operating system fundamentals, especially Linux
• Fluency with the Unix command line and shell scripting
• Practical experience with modern Linux systems and systems programming concepts like C, sockets, virtual memory, and the process life cycle
• Basic understanding of network protocols
• Strong troubleshooting skills and knowledge of profiling/debugging tools such as gdb, perf, DTrace, eBPF or SystemTap
• Programming experience in any language (functional languages a plus)
• Fluent in English

Responsibilities

• Debug kernel performance and improve Linux subsystems
• Develop management tools and automation
• Resolve production issues in real time and perform root-cause analyses

Skills

Linux systems

Unix internals

Shell scripting

C programming

Networking basics

Profiling/debugging tools

OCaml willingness

Debugging tools (gdb/perf)

Programming in any language

English fluency

Education

Bachelor's degree in CS or related

Tools

gdb

perf

DTrace

eBPF

SystemTap

Job description

Jane Street Singapore Pte. Limited is seeking Linux Engineers who will work on the critical infrastructure powering trading systems.

You will engage in debugging kernel performance, developing management tools, and resolving production issues in real time, combining in-house and open source software to drive innovation. The team values automation to reduce errors and workload, with ongoing projects in deployment automation, scalable configuration management, and obsessive monitoring.