Jane Street
Linux Engineer
About this role
Jane Street is hiring Linux Engineers to design and maintain critical infrastructure spanning on-premises and cloud environments. The role blends systems engineering with consulting, requiring expertise across compute, storage, networking, and the full software stack—from hardware provisioning to workload orchestration.
What you'll do
- Build and integrate in-house platform tools and open-source technologies for production infrastructure
- Diagnose and resolve production incidents under time pressure with real-time troubleshooting
- Automate infrastructure operations to improve reliability and speed
- Plan and execute scheduled platform changes including upgrades, migrations, and capacity adjustments
- Act as a Linux expert resource, mentoring engineers in systems debugging and specialized skills
- Support datacenter provisioning, kernel/driver delivery, storage systems, and desktop/network integration
What they're looking for
- Linux operating system fundamentals and command-line proficiency
- Systems programming concepts: sockets, virtual memory, process management
- Production infrastructure design and maintenance
- Infrastructure automation and scripting
- Network protocol understanding
- Software engineering and code-based problem solving
- Cloud and on-premises infrastructure integration
- Systems troubleshooting and performance diagnosis
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Jane Street
Jane Street builds high-performance trading systems and critical infrastructure using primarily OCaml and Python to support distributed trading operations. The company is hiring software engineers, network engineers, and operations engineers at both intern and full-time levels to work on real production projects including trading systems, infrastructure optimization, routing protocols, and internal tooling.
- Website
- janestreet.com
Likely interview questions
- Describe a complex production issue you've debugged—walk us through your methodology and tools
- How would you approach automating a repetitive infrastructure task, and what considerations matter most?