Staff Security Engineer, Network Security
CoreWeave - Livingston, NJ / New York, NY / Sunnyvale, CA / Bellevue, WA
Posted Nov 21, 2025
Benefits
- Parental leave
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- Non-birth-parent leave
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- Family-building benefits
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- Fertility benefits: Not verified
- Adoption assistance: Not verified
- Surrogacy assistance: Not verified
- Mental health support
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- Relocation assistance
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- Childcare support
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- Learning budget
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- Salary
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- 401(k) match
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Schedule
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- Weekend work
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Application
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- Assessment
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- Deadline
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Where they hire
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About this role
Staff Security Engineer, Network Security Livingston, NJ / New York, NY / Sunnyvale, CA / Bellevue, WA CoreWeave is The Essential Cloud for AI™. Built for pioneers by pioneers, CoreWeave delivers a platform of technology, tools, and teams that enables innovators to build and scale AI with confidence. Trusted by leading AI labs, startups, and global enterprises, CoreWeave combines superior infrastructure performance with deep technical expertise to accelerate breakthroughs and turn compute into capability. Founded in 2017, CoreWeave became a publicly traded company (Nasdaq: CRWV) in March 2025. Learn more at www.coreweave.com . What You'll Do: We are seeking a Staff Network Security Engineer to architect the defense of our global backbone, edge, and massive-scale GPU clusters. We are looking for a builder, not an administrator. You will move beyond "configuring firewalls" to engineering security into the network fabric itself-utilizing telemetry, automation, and deep protocol On this team, 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. About the role: 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
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