Network Engineer, Security

Have 7+ years of experience operating and deploying network infrastructure

Experienced with routing and network protocols (OSPF, BGP, PIM-SM)

Experienced with troubleshooting transport protocols (TCP/UDP)

Have a strong understanding of firewall hardware architecture, performance metrics, and functional components

Experienced with firewall configuration and troubleshooting

Understand Public Key Infrastructure and related technologies

We are looking for an experienced Network Engineer to join our Network Security team to help us run, scale, and continuously improve our network security infrastructure through hands-on operations, design, and implementation. The ideal candidate will have strong networking fundamentals and experience with security appliances such as firewalls and proxy.

Jane Street’s numerous distributed systems are built on an agile, reliable, multi-vendor network infrastructure that supports all traffic profiles, from trading to internet connectivity. Supporting such a large multi-function network requires advanced tooling for monitoring and automation.

Strong communication and interpersonal skills will be needed to collaborate with colleagues across the firm globally. You will find and resolve issues, plan and execute deployments, and improve systems where possible. We’ll also look to leverage your advanced networking skills and security knowledge to:

Work closely with our Network Engineering team on the design and deployment of security perimeter and adjacent network infrastructure

Manage and continuously evolve network segmentation, DMZ, and other aspects of network security

Evaluate and lab test new platforms for our network security infrastructure