Network Automation Engineer, Security

About the Position

We are looking for an experienced Network Automation Engineer to help our Network Security team run, scale, and continuously improve our network security infrastructure through hands-on operations, testing, and automation. You should have advanced programming skills, strong networking fundamentals, and experience with security appliances like 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. Your daily work will include:

Proactively identifying toil reduction opportunities

Introducing improvements to network security processes

Formulating automation and monitoring requirements

Interfacing with app owners and traders to enable business workflows in secure ways

Contributing to in-house configuration and policy management tooling

Evaluating and lab testing new platforms for our network security infrastructure

Setting clear priorities and timelines for DevOps projects

Implementing, documenting, and supporting software solutions

Having a holistic approach to system design is critical. Our team’s solutions prioritize flexibility, compatibility, and efficiency, all while seeking ongoing buy-in and feedback from people across the firm to ensure we are supporting their daily work and keeping our systems operating at the highest standard.

Jane Street’s culture prizes intellectual humility, openness, and continuous improvement, which translate directly to the work of this team. We’re all partners working toward shared goals—and we’re always looking for the next great idea that will make our work stronger.

About You

10+ years of experience in an engineering environment

Have strong knowledge of TCP/IP stack

Experienced with routing technologies such as BGP, OSPF, PIM-SM

Experienced with troubleshooting transport protocols (TCP/UDP)

Experienced working with Unix-based systems

Proficient in a programming language

Understand Public Key Infrastructure and related technologies

Understand modern encryption techniques

Have a high capacity to learn; we are interested in how you think, not just what you know

Able to context-switch while still prioritizing and organizing your stack

Clear communicator who can maintain a high degree of customer service

A flexible and reliable team player who enjoys working in a collaborative environment

Can stay focused on the team’s roadmap and objectives in the long term

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