Senior Network Engineer

2 Hours ago • 7 Years +

Job Summary

Job Description

The Senior Network Engineer will be responsible for scaling networks, driving standardization through automation, and exploring AI to improve operations. They will collaborate on data center initiatives, optimize WAN routing, assess business needs, and develop network features. The role involves leading support tasks, improving infrastructure, and documenting solutions to enhance troubleshooting and efficiency. This position offers the opportunity to significantly impact Jane Street's network ecosystem by building scalable systems and exploring AI-driven network operations.
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
  • Eager to produce comprehensive, scalable documentation
Good to have:
  • Prior exposure to overlay networks (EVPN, VXLAN)

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

If you have a passion for innovating within a complex network ecosystem, enjoy building scalable systems and documentation structures and are curious about how AI can refine network operations, this role provides a platform to make a significant impact at Jane Street. We look forward to learning from your expertise and unique perspective.

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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