Hybrid Senior Software Engineer – Sandboxes & Virtualization

at CoreWeave

• Job title: Senior Software Engineer – Sandboxes & Virtualization
• Job type: Full Time
• Experience level: Senior
• Salary: $139,000 - $242,000 per year
• Degree requirement: Bachelor's Degree
• Tech skills: Cloud, Kubernetes, Linux, Rust, Go
• Location requirements: Hybrid, United States

About the role

• Senior Software Engineer at CoreWeave designing secure sandboxed environments for GPU-accelerated workloads on Kubernetes. Collaborating across teams to optimize performance and ensure security in multi-tenant architectures.

Responsibilities

• Design, build, and evolve secure sandboxed runtime environments for workloads running on Kubernetes, emphasizing runtime isolation, performance, and security.
• Develop platforms that integrate container runtimes, lightweight virtual machines, and virtualization technologies, while engineering support for GPU-accelerated workloads in multi-tenant environments.
• Design GPU-aware sandboxing and scheduling strategies, optimize containerization and I/O performance for latency-sensitive workloads, and build systems capable of safely executing untrusted or shared GPU workloads.
• Contribute to architectural decisions across Linux internals, container runtimes, virtualization layers, and GPU drivers to ensure long-term scalability and operational excellence.

Requirements

• 3+ years of experience in systems, platform, infrastructure, or production engineering roles building and operating software at scale.
• Strong hands-on experience with Kubernetes, container orchestration, and cloud-native architectures, including building Kubernetes-native components (e.g., controllers, operators, or scheduling extensions).
• Demonstrated experience designing, implementing, or operating secure execution environments such as container runtimes, sandboxed workloads, or virtualized systems.
• Practical experience with lightweight virtualization and sandboxing technologies (e.g., Kata Containers, gVisor, KubeVirt, QEMU, or similar).
• Experience supporting or optimizing GPU-accelerated workloads in multi-tenant environments, including knowledge of GPU scheduling, isolation, device passthrough, mediated devices, or GPU virtualization concepts.
• Proficiency in systems-oriented programming (Go, C/C++, Rust, or Bash) with a strong understanding of Linux internals and operating system behavior.
• Experience diagnosing and resolving complex performance, reliability, or isolation issues across containers, virtual machines, and underlying infrastructure.
• Experience conducting profiling, benchmarking, and performance tuning across runtime, virtualization, and GPU stacks.

Benefits

• Medical, dental, and vision insurance - 100% paid for by CoreWeave
• Company-paid Life Insurance
• Voluntary supplemental life insurance
• Short and long-term disability insurance
• Flexible Spending Account
• Health Savings Account
• Tuition Reimbursement
• Ability to Participate in Employee Stock Purchase Program (ESPP)
• Mental Wellness Benefits through Spring Health
• Family-Forming support provided by Carrot
• Paid Parental Leave
• Flexible, full-service childcare support with Kinside
• 401(k) with a generous employer match
• Flexible PTO
• Catered lunch each day in our office and data center locations
• A casual work environment
• A work culture focused on innovative disruption