HPC Performance Engineer

<div class="content-intro"><div> <div> <div class="gmail_quote"> <div> <div><span id="m_1770241969069985273m_-2746164444908759431gmail-docs-internal-guid-131e4fb0-7fff-b4e9-ff50-e8cf32449b1b">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&nbsp;<a href="http://www.coreweave.com/" target="_blank" data-saferedirecturl="https://www.google.com/url?q=http://www.coreweave.com&amp;source=gmail&amp;ust=1762613132717000&amp;usg=AOvVaw3D-UOhNaqEvF5BEWxjYyAU">www.coreweave.com</a>.</span></div> </div> </div> </div> </div></div><h3><span style="text-decoration: underline;"><strong>What you'll do:</strong></span></h3> <p>CoreWeave is seeking a highly skilled and motivated HPC Performance Engineer to join our <em>HAVOCK </em>Team, reporting into the Manager of Systems Engineering. In this role, you will play a crucial part in the design, development, and optimization of our bare-metal systems from POST through joining a Kubernetes cluster. The team’s primary responsibilities include maintaining a custom Linux kernel, various OS images (Ubuntu-based), the virtualization stack (kubevirt/qemu/vfio), and the container/pod runtime stack (containerd/nydus/kubelet). You will collaborate closely with cross-functional teams, up stack engineering teams, and stakeholders to ensure our low-level software stack is performant in the context of hardware updates; and providing data, metrics, dashboards, and analysis to substantiate performance assertions.<br><br></p> <p><em>Kernel </em><strong><em>H</em></strong><em>ardware - </em><strong><em>A</em></strong><em>cceleration - </em><strong><em>V</em></strong><em>irtualization - </em><strong><em>O</em></strong><em>perating Systems - </em><strong><em>C</em></strong><em>ontainerization - </em><strong><em>K</em></strong><em>ubelet</em></p> <p><strong>Our Team’s Stack:</strong></p> <ul> <li>Python, Go, bash/sh, C</li> <li>Prometheus, Victoria Metrics, Grafana</li> <li>Linux Kernel (custom build), Ubuntu</li> <li>Intel/