Anthropic · 6 hours ago
Software Engineer, Sandboxing (Systems)
San Francisco, CA
Full-time
Hybrid
Mid, Senior Level
$300K/yr - $405K/yrAnthropic is a public benefit corporation headquartered in San Francisco focused on creating reliable, interpretable, and steerable AI systems. They are seeking a Linux OS and System Programming Subject Matter Expert to join their Infrastructure team to optimize virtualization and VM workloads that power their AI infrastructure.
Artificial Intelligence (AI)Generative AIInformation TechnologyMachine Learning
Responsibilities
Optimize our virtualization stack, improving performance, reliability, and efficiency of our VM environments
Design and implement kernel modules, drivers, and system-level components to enhance our compute infrastructure
Investigate and resolve performance bottlenecks in virtualized environments
Collaborate with cloud engineering teams to optimize interactions between our workloads and underlying hardware
Develop tooling for monitoring and improving virtualization performance
Work with our ML engineers to understand their computational needs and optimize our systems accordingly
Contribute to the design and implementation of our next-generation compute infrastructure
Share knowledge with team members on low-level systems programming and Linux kernel internals
Partner with cloud providers to influence hardware and platform features for AI workloads
Qualification
Required
Experience with Linux kernel development, system programming, or related low-level software engineering
Understand virtualization technologies (KVM, Xen, QEMU, etc.) and their performance characteristics
Experience optimizing system performance for compute-intensive workloads
Familiar with modern CPU architectures and memory systems
Strong C/C++ programming skills and ideally experience with systems languages like Rust
Understand Linux resource management, scheduling, and memory management
Experience profiling and debugging system-level performance issues
Comfortable diving into unfamiliar codebases and technical domains
Results-oriented, with a bias towards practical solutions and measurable impact
Care about the societal impacts of AI and are passionate about building safe, reliable systems
At least a Bachelor's degree in a related field or equivalent experience
Preferred
GPU virtualization and acceleration technologies
Cloud infrastructure at scale (AWS, GCP)
Container technologies and their underlying implementation (Docker, containerd, runc, OCI)
eBPF programming and kernel tracing tools
OS-level security hardening and isolation techniques
Developing custom scheduling algorithms for specialized workloads
Performance optimization for ML/AI specific workloads
Network stack optimization and high-performance networking
Experience with TPUs, custom ASICs, or other ML accelerators
Benefits
Equity
Benefits
Incentive compensation
Optional equity donation matching
Generous vacation and parental leave
Flexible working hours
Company
Anthropic
Anthropic is an AI research company that focuses on the safety and alignment of AI systems with human values.
Founded in 2021
501-1000 employees
H1B Sponsorship
Anthropic has a track record of offering H1B sponsorships. Please note that this does not
guarantee sponsorship for this specific role. Below presents additional info for your
reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
Represents job field similar to this job
Trends of Total Sponsorships
2025 (105)
2024 (13)
2023 (3)
2022 (4)
2021 (1)
Funding
Current Stage
Late StageTotal Funding
$33.74BKey Investors
Lightspeed Venture PartnersGoogleAmazon
2025-09-02Series F· $13B
2025-05-16Debt Financing· $2.5B
2025-03-03Series E· $3.5B
Leadership Team
Dario Amodei
CEO & Co-Founder
Daniela Amodei
President and co-founder
Recent News
Crunchbase News
2026-01-02
Business Insider
2026-01-01
Deccan Chronicle
2025-12-31
Company data provided by crunchbase