Senior Network Engineer

Jane Street Singapore Pte. Limited; Singapore; On-site; SGD 120,000 - 180,000; Full time

Job summary

Jane Street Singapore Pte. Limited is seeking a Senior Network Engineer to scale networks, automate operations, and explore AI enhancements to improve performance and reliability. The role involves cross-team collaboration, data centre initiatives, and documenting solutions for long-term efficiency.

The candidate should have 7+ years in network infrastructure, 3+ years in ground-up design, and strong Linux and programming skills, with English fluency and a collaborative mindset.

Qualifications

• 7+ years operating and deploying network infrastructure.
• 2+ years in design and deployment planning.
• Understanding of routing protocols and transport troubleshooting.
• Experience with Linux environments and at least one programming language.
• Interest in automating workflows and AI/ML approaches.

Responsibilities

• Collaborate on data centre and colocation initiatives and WAN routing optimisation.
• Interface with stakeholders to assess business needs and develop network features.
• Lead reactive and proactive infrastructure improvements with thorough documentation.
• Explore AI/ML driven enhancements to streamline operations and improve service quality.
• Document solutions and processes to improve team efficiency.

Skills

OSPF

BGP

PIM-SM

Linux environments

Automation

Programming

AI/ML for networking

Documentation

Collaboration

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 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