Senior Network Engineer at Jane Street (New York New York, United States)
Jane Street· New York New York, United States·
Job description
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.
Why work at Jane Street
- Culture: Described as “open and collaborative,” with porous boundaries between trading, research, and technology. Intellectual humility and curiosity are highly valued.
- Learning & Development: Offers immersive internships, multi-day programs, direct mentorship, and a week abroad for interns. Full-time employees have access to extensive internal training, a library, and classrooms in every office.
- Work Environment: Most employees write code as part of their regular work. The firm is known for its technical excellence and for using the most advanced tools available.
- Benefits: Daily breakfast and lunch, fully-stocked kitchens, on-site gyms, nursing suites, quiet rooms, recreation spaces, health services, and more. Offices are designed for collaboration and deep focus.
- Remote/Hybrid Policy: Not explicitly stated, but the firm emphasizes in-person collaboration on trading floors. Offices are located in major global cities.
- Diversity: Actively seeks people from all backgrounds and emphasizes that the company is only as strong as its people.