Jane Street is hiring a Network Engineer, Security in Network Engineering — New York, New York, United States. The overview below is synthesized from the employer posting on janestreet.com: factual requirements and scope are preserved, but prose is rewritten with editorial context. Verify details and apply via the employer link.
About the Position
Company context from the listing:
The listing frames the Network Engineer, Security at Jane Street as a hands-on product role. 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.
- 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
- Collaborate with our Cybersecurity team on the detection and mitigation of threats and vulnerabilities on our network
- Interface with application owners and traders to enable business workflows securely
- Proactively enhance support by improving network infrastructure observability and scripting, and communicating requirements to our software engineers
- Improve our network security processes and documentation
A holistic approach to system design is critical for this role. Our broader Networking team prioritizes flexibility, compatibility, and efficiency when crafting solutions, all while seeking ongoing buy-in and feedback from users across the firm.
Your strong communication skills and analytical thinking will be invaluable as we support the daily work of our colleagues and keep our systems operating at the highest standard.
About You
Company context from the listing:
- 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
- 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 being able to prioritize and organize your stack
- Ideally have experience with overlay networks (EVPN, VxLAN)
- A flexible and reliable team player who enjoys working in a collaborative environment
- Preferably have proficiency in a programming language
If you're a recruiting agency and want to partner with us, please reach out to agency-partnerships@janestreet.com.
Build a standout application
For the Network Engineer, Security at Jane Street, reviewers look for concise evidence over buzzwords. Mirror the language of the posting sparingly, quantify support or delivery outcomes, and show how you handled ambiguity, time-zone collaboration and user empathy. Keep your resume to impact, keep your cover note to one page, and link to artifacts — tickets resolved, docs shipped, dashboards owned — that prove you can operate in a fast-moving Web3 team. Prepare to discuss a time you turned a confusing user report into a clear fix and how you measure quality in support and operations.
Web3 hiring values reliability: on-time follow-through, clear writing, and a track record of improving runbooks and tooling. Treat the application as a work sample. For interviews, be ready to walk through how you prioritize across time zones, handle a difficult user, and decide when to escalate versus resolve directly. Show how you document decisions so the next teammate benefits.
In a distributed Web3 org, trust builds through written clarity. Use the cover note to demonstrate it.