Staff Security Engineer, Network Security · CoreWeave

Sat, 18 Apr 2026 15:52:43 GMT
Engineering

CoreWeave · Livingston, NJ / New York, NY / Sunnyvale, CA / Bellevue, WA · $188,000 to $275,000 · hybrid

We are seeking a Staff Network Security Engineer to architect the defense of our global backbone, edge, and massive-scale GPU clusters. You will move beyond configuring firewalls to engineering security into the network fabric itself,utilizing telemetry, automation, and deep protocol analysis.

As a Staff Network Security Engineer, you will:

Unravel and tackle network security challenges at an exhilarating global scale. Collaborate with exceptional network architects and engineers building the backbone infrastructure for the AI revolution. Enjoy the freedom and support to experiment, innovate, and significantly shape our approach to securing the underlay and overlay of our cloud.

In this role, you will: Conducting architecture reviews, protocol analysis, and design assessments to proactively identify and fix vulnerabilities in our backbone and data center fabrics. Developing robust, repeatable frameworks for network security automation (CoPP, ACL generation, Route Filtering) that make it easy for teams to build securely from day one. Collaborating closely with Network Engineering teams to integrate security checks and validation seamlessly into their CI/CD and config-push pipelines. Crafting clear, practical security guidance and documentation that empowers engineers to deploy secure routing policies and topologies. Actively participating in architectural discussions regarding peering, transit, and traffic engineering, providing insightful security recommendations. Occasionally, 'drawing the owl' - figuring out innovative solutions for securing massive throughput environments while navigating ambiguous situations.

You will be working with a talented team of network engineers, security experts, and AI researchers to build and deploy a highly scalable and secure cloud infrastructure.

If you are passionate about network security, cloud computing, and AI, and enjoy working in a fast-paced, dynamic environment, we encourage you to apply for this exciting opportunity.