Anthropic · 14 hours ago
Software Engineer, ML Networking
San Francisco, CA
Full-time
Hybrid
Senior Level
$350K/yr - $850K/yr
5+ years expAnthropic is a public benefit corporation dedicated to creating reliable and beneficial AI systems. They are seeking a systems-level engineer specializing in network infrastructure and optimization, responsible for writing and maintaining software that interfaces between accelerators and high-speed networks.
Artificial Intelligence (AI)Foundational AIGenerative AIInformation TechnologyMachine Learning
Responsibilities
Writing and maintaining software that interfaces between our accelerators and our high-speed networks
Diagnosing and resolving networking issues in distributed systems, especially at OSI model layers 2-4
Building higher-level abstractions like collectives and RPC
Designing new network protocols
Optimizing congestion control algorithms for large-scale synchronous workloads
Debugging kernel-level network latency spikes
Qualification
Required
Expert-level proficiency with network protocols and networking concepts
Deep kernel networking: TCP/IP stack internals, XDP, eBPF, io_uring, and epoll
User-space networking: DPDK, RDMA, kernel bypass techniques
Understanding of how to build higher-level abstractions like collectives and RPC
Skilled at diagnosing and resolving networking issues in distributed systems, especially at OSI model layers 2-4
Strong programming skills in a systems programming language, including memory management, lock-free data structures, and NUMA-aware programming
Software, driver, and OS performance optimization tools and techniques
Comfort with or desire to learn Rust
Education requirements: We require at least a Bachelor's degree in a related field or equivalent experience
Preferred
Understanding of ML accelerators and accelerator drivers
Demonstrated ability to design new network protocols
Experience with PCIe and drivers for PCIe devices
Expertise in algorithms used in networking, including compression and graph algorithms
Experience programming on SmartNICs
5+ years of experience in systems programming or network programming
Often comes from backgrounds in: HPC, telecommunications, host networking software, OS/kernel engineering, or embedded systems
Strong debugging mindset with patience for complex, multi-layered issues
Benefits
Equity and benefits
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.
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
2026-01-17
2026-01-17
Company data provided by crunchbase