About the Position

We are looking for a Senior Network Engineer who can help us scale our networks to meet increasing business demands, drive standardization 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 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, 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

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

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