Senior Network Engineer

3 Months ago • 7 Years + • Network Engineering

Job Summary

Job Description

The Senior Network Engineer will be responsible for scaling networks, standardizing through automation, and leveraging AI to improve operations. The role involves collaboration on data center and colocation initiatives, WAN routing optimization, and other cross-team design projects. They will also interface with stakeholders to assess business needs, develop innovative network features, lead reactive support tasks and proactive infrastructure improvements, and explore AI/ML-driven enhancements. The engineer will document solutions and processes, balancing multiple priorities, and building strong partnerships with global teams. The goal is to maintain high standards for network performance and reliability while improving efficiency.
Must have:
  • 7+ years of experience operating and deploying network infrastructure.
  • Deep experience with routing and network protocols (OSPF, BGP, PIM-SM).
  • Comfortable operating in Linux environments and proficient in at least one programming language.
  • Strongly inclined to automate workflows and explore AI/ML approaches.
Good to have:
  • Prior exposure to overlay networks (EVPN, VXLAN) is a plus.

Job Details

About the Position

We are looking for a Senior Network Engineer who can help us scale our networks to meet increasing business demands, drive standardisation through automation and look for opportunities to leverage AI to improve operations.

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. A typical day on the Network Engineering team includes:

  • Collaborating on new data centre and colocation initiatives, WAN routing optimisation 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, focusing on thorough documentation to reduce outages and enhance troubleshooting
  • Exploring AI/ML-driven enhancements to streamline operations and continuously improve service quality Using your networking expertise to help us scale our team’s infrastructure at large while maintaining high standards for network performance and reliability
  • Documenting solutions and processes that help the team work more efficiently, using a meticulous attention to detail

About You

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

If you're a recruiting agency and want to partner with us, please reach out to agency-partnerships@janestreet.com.

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About The Company

Jane Street is a quantitative trading firm with offices in New York, London, Hong Kong, Singapore, and Amsterdam. We are always recruiting top candidates and we invest heavily in teaching and training. The environment at Jane Street is open, informal, intellectual, and fun. People grow into long careers here because there are always new and interesting problems to solve, systems to build, and theories to test.



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