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Network Analyst

Jane Street· Technology
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LondonPosted 3mo ago

About the role

We are looking for a Network Analyst who can provide support as our team builds automation and DevOps-driven solutions – encouraging creativity in leveraging AI wherever possible.

Responsibilities

  • Providing hands-on support to diagnose and resolve network issues across LAN, WAN and colocation environments
  • Working with project managers on site expansions, new market data feeds and connections to third-party services
  • Maintaining and improving our monitoring and alert systems, with a strong emphasis on automation, AI integration and DevOps practices
  • Using scripting or development tools to reduce manual tasks, enhance network visibility and explore innovative AI-driven solutions

Qualifications

  • Experienced with operating and troubleshooting LAN/WAN networks
  • Familiar with common routing and switching protocols (e.g., OSPF, BGP, PIM-SM)
  • Able to debug transport protocols (TCP/UDP)
  • Comfortable in Linux environments and have some programming or scripting knowledge
  • Enthusiastic about automation (for instance, using Python or similar tools) to simplify network operations, and open to AI-powered optimisations
  • Eager to learn and adapt, creative and open to feedback
  • Strong communicator; ready to interface with global teams and internal stakeholders
  • Organised and flexible, able to balance day-to-day support with longer-term projects
  • Have a collaborative spirit and thrive in a hands-on, team-driven environment
  • Fluent in English
  • Having knowledge or hands-on experience with overlay networks such as EVPN or VxLAN is a plus

Skills

Required:LAN/WAN troubleshootingRouting protocols (OSPF, BGP, PIM-SM)Transport protocol debugging (TCP/UDP)Linux environmentsAutomation / scripting (Python or similar)Communication & collaboration
Nice to have:AI-powered optimisations
Last updated Oct 25, 2026. Interested? Apply on the company site.

About Jane Street

SIX

Jane Street is a quantitative trading firm and liquidity provider with a unique focus on technology and collaborative problem solving.

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