Senior Software Engineer, Sandboxes & Virtualization

What You’ll Do

• Design and implement secure execution environments for containerized and virtualized workloads.
• Build GPU‑aware scheduling, isolation, and resource management strategies for multi‑tenant workloads.
• Optimize container, VM, and I/O performance across GPU‑accelerated workloads.
• Conduct profiling, benchmarking, and performance tuning for runtime, virtualization, and GPU stacks.
• Contribute to architectural decisions across Linux internals, container runtimes, virtualization layers, and GPU drivers.
• Collaborate with security, platform, and infrastructure teams to define and implement runtime isolation and performance standards.

As a GPU & Runtime Systems Engineer, you will design, build, and evolve secure sandboxed runtime environments for Kubernetes workloads, focusing on runtime isolation, performance, and security. You will integrate container runtimes, lightweight VMs, and virtualization technologies to support GPU‑accelerated workloads in multi‑tenant environments. Day‑to‑day, you’ll develop GPU‑aware sandboxing and scheduling strategies, optimize containerization and I/O performance for latency‑sensitive workloads, and influence architectural decisions across Linux internals, container runtimes, virtualization layers, and GPU drivers.

• 3+ years of experience in systems, platform, infrastructure, or production engineering at scale.
• Strong hands‑on experience with Kubernetes, container orchestration, and cloud‑native architectures, including controllers, operators, or scheduling extensions.
• Experience designing, implementing, or operating secure execution environments (container runtimes, sandboxed workloads, or virtualized systems).
• Practical experience with lightweight virtualization and sandboxing technologies (e.g., Kata Containers, gVisor, Kube Virt, QEMU).
• Experience supporting GPU‑accelerated workloads in multi‑tenant environments, including GPU scheduling, isolation, device passthrough, mediated devices, or virtualization.
• Proficient in systems‑oriented programming (Go, C/C++, Rust, Bash) with strong Linux internals knowledge.
• Skilled at diagnosing and resolving complex performance, reliability, or isolation issues across containers, VMs, and infrastructure.
• Experienced in profiling, benchmarking, and tuning performance across runtime, virtualization, and GPU stacks.

• Experience building systems for safely executing untrusted or sensitive workloads in shared environments.
• Familiarity with GPU drivers and low‑level virtualization or I/O optimization techniques.
• Experience defining threat models and implementing runtime security policies in multi‑tenant systems.

The base salary range for this role is $139,000 to $242,000. The starting salary will be determined based on job‑related knowledge, skills, experience, and market location. In addition to base salary, the total rewards package includes a discretionary bonus, equity awards, and a comprehensive benefits program (all based on eligibility).

• Medical, dental, and vision insurance – 100% paid for by Core Weave.
• 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.

• Applicants must be a U.S. person, defined as a U.S. citizen or national, U.S. lawful permanent resident, refugee, or asylee.
• Applicants must be eligible to access the export‑controlled information without a required export authorization, or be reasonably likely to obtain the required authorization from the applicable U.S. government agency.
• Core Weave may, for legitimate business reasons, decline to pursue any export licensing process.

Core Weave is an equal opportunity employer,…