Network Engineer

About this role

Jane Street seeks a Network Engineer intern to work alongside experienced mentors on critical infrastructure supporting the firm's distributed trading systems. You'll participate in real projects spanning network maintenance, routing protocols, provisioning, and automation across a multi-vendor environment.

What you'll do

• Collaborate on site expansions and new colocation infrastructure builds
• Debug and optimize routing protocols in production environments
• Provision market data feeds and third-party network connections
• Automate network support tasks and enhance monitoring capabilities
• Conduct root-cause analysis and implement long-term fixes for production issues
• Work cross-functionally with multiple teams on firm-wide network solutions

What they're looking for

• Network protocols (ARP, BGP, OSPF)
• Operating system fundamentals and computer architecture
• Strong programming ability
• Unix/Linux command line proficiency
• Network troubleshooting and debugging
• Automation and scripting
• Technical communication
• Problem-solving and analytical thinking

Benefits

• Mentorship from experienced full-time network engineers
• Hands-on experience with real production infrastructure
• Exposure to multi-vendor, distributed systems at scale
• Opportunity to work on impactful, firm-wide projects
• Learning in a collaborative, intellectually curious environment

Likely interview questions

• Walk us through your understanding of BGP and how you'd troubleshoot a routing issue in a multi-vendor environment.
• Describe a time you debugged a complex problem—what was your approach and how did you communicate findings?