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Senior Network Engineer

Jane Street· Technology
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New York$200k - $300kFull-timePosted 3mo ago

About the role

Senior Network Engineer to scale Jane Street's multi-vendor network, drive automation, and explore AI-enhanced operations across data centers and WAN infrastructures.

Responsibilities

  • Collaborating on new data center and colocation initiatives, WAN routing optimization, and other cross-team design projects
  • Interfacing with stakeholders to assess business needs and develop innovative network features/capabilities
  • Leading both reactive support tasks and proactive infrastructure improvements, with thorough documentation to reduce outages and enhance troubleshooting
  • Exploring AI/ML-driven enhancements to streamline operations and continuously improve service quality
  • Using networking expertise to help scale the team’s infrastructure while maintaining high standards for performance and reliability
  • Documenting solutions and processes to improve team efficiency with meticulous attention to detail

Qualifications

  • 7+ years of experience operating and deploying network infrastructure, with 3+ years dedicated to ground-up network design
  • Deep experience with routing and network protocols (OSPF, BGP, PIM-SM), and troubleshooting of transport protocols (TCP/UDP)
  • Comfortable operating in Linux environments and proficient in at least one programming language
  • Strong inclination to automate workflows and explore AI/ML approaches to improve efficiency or reduce overhead
  • Eager to produce comprehensive, scalable documentation benefiting the entire team
  • Demonstrated ability to balance multiple priorities, switch contexts effectively, and maintain high levels of customer service
  • Excellent collaborator and communicator; ability to build partnerships with diverse global teams and stakeholders
  • Flexible, reliable mindset and enthusiasm for sharing knowledge with peers
  • Any prior exposure to overlay networks (EVPN, VXLAN) is a plus

Skills

Required:Network designRouting protocolsLinuxProgrammingAutomation
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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