Senior Network Engineer

Janestreet; New York (NY); On-site; USD 120,000 - 160,000; Full time

Job summary

Janestreet is seeking a Senior Network Engineer to scale networks and innovate within a complex ecosystem. The role involves leading infrastructure improvements, collaborating on data center initiatives, and developing innovative network capabilities.

With 7+ years of experience in network infrastructure, expertise in routing protocols, and a strong inclination toward AI/ML automation, this position offers a significant impact in enhancing service quality and performance at Jane Street.

Qualifications

• 7+ years of experience operating and deploying network infrastructure, with 3+ years in network design.
• Deep experience with routing and network protocols (OSPF, BGP, PIM-SM) and troubleshooting transport protocols (TCP/UDP).
• Passion for innovating within a complex network ecosystem and building scalable systems.

Responsibilities

• Collaborate on new data center and colocation initiatives.
• Interface with stakeholders to assess business needs and develop innovative network features.
• Lead reactive support tasks and proactive infrastructure improvements.

Skills

Network infrastructure operations

Routing and network protocols (OSPF, BGP, PIM-SM)

Linux environments

Programming language proficiency

AI/ML approaches

Documentation skills

Collaboration and communication

Customer service

Flexible and reliable mindset

Exposure to overlay networks (EVPN, VXLAN)

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