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Senior Linux Systems Engineer

2 months ago

Hong Kong, Central and Western District, Hong Kong SAR China Jane Street Full time
Position Overview

The role of a Linux Systems Engineer is pivotal in managing the essential infrastructure that supports the technological framework of Jane Street. This team comprises dedicated Systems Engineers, Administrators, and Programmers who are responsible for the upkeep and enhancement of the platform that drives the firm's trading operations. With a blend of proprietary and open-source software, you will have the opportunity to explore and innovate across various levels of the system. Daily tasks may include optimizing kernel performance, crafting management utilities, or addressing real-time production challenges. Tackling complex systems issues is our forte.

Our ongoing initiatives focus on deployment automation, scalable configuration management, and meticulous monitoring. We strive to automate as much of our processes as possible—not out of laziness, but because we believe that automation minimizes errors and reduces workload, all while being an enjoyable endeavor.

Being part of our team offers the chance to collaborate with nearly every department within the organization. We engage directly with colleagues in Trading, Technology, and Operations to design and sustain systems that have a company-wide impact. By leveraging feedback from various teams and utilizing our custom monitoring solutions, we aim to swiftly resolve production challenges, conduct thorough root-cause analyses, and implement sustainable fixes in a systematic and efficient manner.

Candidate Profile

We seek to recruit Systems Programmers and Administrators who possess a profound understanding of Unix internals and the Linux environment. Ideal candidates should be eager to learn OCaml, our preferred programming language, and meet the following criteria:

  • Bachelor's degree in Computer Science, Software Engineering, or a related technical field (or equivalent practical experience)
  • Effective communication skills, with the ability to analyze and dissect technical challenges efficiently
  • In-depth knowledge of operating system principles, particularly Linux
  • Proficiency with the Unix command line and shell scripting
  • Hands-on experience with contemporary Linux systems and systems programming concepts such as C, sockets, virtual memory, and process lifecycle
  • Basic familiarity with network protocols
  • Strong diagnostic skills and experience with profiling/debugging tools like gdb, perf, DTrace, or SystemTap
  • Programming experience in any language (experience with functional languages is advantageous)
  • Fluency in English is required