Senior Network Engineer at Jane Street | London, England, United Kingdom | Rezi

Senior Network Engineer at Jane Street

Senior Network Engineer

Jane Street · London, England, United Kingdom

Today

Senior Network Engineer

Jane Street · London, England, United Kingdom

15 hours ago
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About the Role

We are seeking a Senior Network Engineer to help scale our networks, drive standardization through automation, and explore AI for operational improvements. This role involves working with a multi-vendor, highly available network infrastructure that handles diverse traffic profiles.

Responsibilities

  • Collaborate on new data center and colocation initiatives, WAN routing optimization, and cross-team design projects.
  • Interface with stakeholders to assess business needs and develop innovative network features.
  • Lead reactive support and proactive infrastructure improvements with a focus on documentation.
  • Explore AI/ML-driven enhancements to streamline operations and improve service quality.
  • Utilize networking expertise to scale infrastructure while maintaining high standards for performance and reliability.
  • Document solutions and processes to enhance team efficiency with meticulous attention to detail.

Requirements

  • 7+ years of experience operating and deploying network infrastructure.
  • 3+ years dedicated to ground-up network design.
  • Deep experience with routing and network protocols (OSPF, BGP, PIM-SM).
  • Experience troubleshooting transport protocols (TCP/UDP).
  • Comfortable operating in Linux environments.
  • Proficient in at least one programming language.
  • Strong inclination to automate workflows and explore AI/ML approaches.
  • Eager to produce comprehensive, scalable documentation.
  • Demonstrated ability to balance multiple priorities and switch contexts effectively.
  • Maintain a high level of customer service.
  • Excellent collaborator and communicator, ready to build strong partnerships with diverse global teams and stakeholders.
  • Flexible, reliable mindset and enthusiasm for sharing knowledge with peers.
  • Fluent in English.

Skills

  • Network infrastructure
  • Network design
  • Routing protocols (OSPF, BGP, PIM-SM)
  • Transport protocols (TCP/UDP)
  • Linux environments
  • Programming
  • Automation
  • AI/ML
  • Documentation
  • Collaboration
  • Communication
  • Customer service
  • Overlay networks (EVPN, VXLAN)

Experience Level

  • Senior

About the Company

  • Jane Street’s numerous distributed systems run on a multi-vendor, highly available network infrastructure and handle a variety of traffic profiles – from high-speed trading to everyday internet connectivity.