Senior Systems Engineer - AI Infrastructure
Clockwork.io19 hours ago
Base Salary
$150k - $210k/yr
Responsibilities
- Design and implement low-level systems software for GPU clusters.
- Modify and extend internals of PyTorch, NCCL, and the CUDA runtime.
- Build components that improve the reliability and efficiency of large-scale GPU training.
- Debug complex distributed and concurrent systems with subtle, nondeterministic failures.
- Own systems end-to-end from design through production.
Requirements
- Experience designing and building complex systems rather than only deploying or operating them.
- Experience with systems such as kernel subsystems, device drivers, OS-level components, distributed storage, databases, coordination systems, runtimes, profilers, performance tooling, network stacks, protocols, high-performance I/O systems, or large-scale infrastructure.
- Strong C/C++ skills in systems contexts.
- Deep understanding of concurrency and memory models.
- Ability to reason about distributed-system behavior, including consistency, ordering, and partial failures.
- Comfort reading and modifying large, unfamiliar codebases.
- Preferred experience with GPU programming or GPU systems, high-performance networking, RDMA, InfiniBand, ML framework or runtime internals, and cluster scheduling or orchestration systems.
Benefits
- Competitive compensation with a base salary range of $150,000-$210,000.
- Eligibility to participate in the company equity program, potentially including stock options subject to the equity plan, approval, and vesting schedules.
- Benefits package.
- Catered lunch.
- Friendly and inclusive workplace culture.
About Clockwork.io
Clockwork.io pioneers Software-Driven AI Fabrics™, delivering a programmable software layer that makes large-scale AI clusters observable, deterministic, and resilient by design to drive continuous workload progress and peak cluster utilization. Its FleetIQ platform enables enterprises to train, deploy, and serve the world's most demanding AI workloads faster, more reliably, and at lower cost. Companies including Uber, Wells Fargo, DCAI, Nebius, Nscale, and White Fiber trust Clockwork.io to power their AI infrastructure. Learn more at www.clockwork.io