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Linux Systems Engineer

1 month ago

London, Greater London, United Kingdom Jane Street Full time
About the Position

We are seeking a skilled Linux Systems Engineer to join our team at Jane Street. As a member of our group, you will work with the critical infrastructure underlying our technology, collaborating with Systems Engineers, Administrators, and Programmers to maintain and improve the platform that powers our production trading systems.

Our mix of in-house and open source software allows you to investigate and innovate at every level. You will have the opportunity to debug kernel performance, develop management tools, and resolve production issues in real time. Diving into tricky systems problems is our specialty.

Some of our ongoing projects focus on deployment automation, scalable configuration management, and obsessive monitoring. We automate as much of our work as we can, not because we are lazy, but because it reduces our error rate and overall workload.

Working in our group provides opportunities for involvement with almost every other facet of the company. You will work directly with colleagues in Trading, Technology, and Operations to build and maintain systems with a firm-wide scope.

About You

We are looking for Systems Programmers and Administrators with a deep knowledge of Unix internals and the Linux ecosystem. Candidates should have a willingness to learn OCaml, our language of choice, and meet the following requirements:

  • 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, or SystemTap
  • Programming experience in any language (functional languages a plus)
  • Fluency in English required