Senior Network Engineer
Janestreet Is this your company? Claim it · London · Full-time
Description
<h3>About the Position</h3> <p>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.</p> <p>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:</p> <ul> <li>Collaborating on new data centre and colocation initiatives, WAN routing optimisation and other cross-team design projects</li> <li>Interfacing with stakeholders to assess business needs and develop innovative network features/capabilities</li> <li>Leading both reactive support tasks and proactive infrastructure improvements, focusing on thorough documentation to reduce outages and enhance troubleshooting</li> <li>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 a…
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The listing places this job in London.
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The employer shown on the listing is Janestreet.
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It was posted on 11 November 2026. Jobs that stay open too long are closed automatically, so apply soon if you are interested.
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