Linux Engineer
Jane Street2 months ago
London, United KingdomEntry Level
Responsibilities
- Maintain and improve the critical infrastructure underlying the firm’s technology and production trading systems.
- Debug kernel performance, develop management tools, and resolve production issues in real time.
- Build deployment automation and scalable configuration management systems.
- Monitor systems, investigate incidents, perform root-cause analyses, and implement robust long-term fixes.
- Collaborate with colleagues in Trading, Technology, and Operations on firm-wide systems.
Requirements
- Bachelor’s degree in Computer Science, Software Engineering, or another technical discipline, or equivalent experience.
- Deep knowledge of operating system fundamentals, especially Linux, and fluency with the Unix command line and shell scripting.
- Practical experience with modern Linux systems and systems programming concepts including C, sockets, virtual memory, and process life cycles.
- Basic understanding of network protocols and strong troubleshooting skills.
- Knowledge of profiling and debugging tools such as gdb, perf, DTrace, eBPF, or SystemTap.
- Programming experience in any language; functional-language experience is a plus.
- Clear, concise communication and the ability to analyze and deconstruct technical problems efficiently.
- Fluency in English is required.
- Willingness to learn OCaml.
About Jane Street
Jane Street is a global quantitative trading firm and liquidity provider that builds in-house software and research platforms to trade across asset classes. It makes markets and executes proprietary strategies on exchanges and electronic venues, serving institutional markets rather than individual investors. Founded in 2000 and headquartered in New York, it is privately held with offices in London, Hong Kong, Singapore, and Amsterdam.