Senior/Staff Software Engineer, HPC
Required skills
- HPC
- distributed systems
- Ray.io
- SLURM
- Kubernetes
- Python
- AWS
- API
- SDKs
- developer tools
Nice to have
- machine learning
- training
- inference
- data generation
- 10k+ nodes
- algorithmic optimization
Role summary
Zoox is seeking a Staff Software Engineer to build, scale, and operate its custom High-Performance Computing (HPC) infrastructure. This role involves modernizing the HPC platform using technologies like Ray.io, SLURM, and Kubernetes, focusing on reliability, scalability, and developer velocity. The engineer will design and implement core services for distributed compute, create production-grade APIs and tools, improve job scheduling, and mentor junior engineers. Experience with large-scale distributed systems, Python, Kubernetes, Ray.io, and cloud infrastructure is required. Preferred qualifications include exposure to ML workloads and experience with SLURM at scale.
In this role, you will:
Design and implement core services and abstractions for distributed compute infrastructure supporting hundreds of thousands of concurrent jobs
Work with customer teams and other infrastructure teams to build a multiyear software engineering roadmap for the HPC platform
Lead multi-quarter, cross team initiatives that drive org-wide improvements
Create production-grade APIs, SDKs, and tools that make it easy for engineers across Zoox to run large-scale distributed workloads
Design and improve job scheduling algorithms and auto-scaling policies to maximize reliability and resource availability
Design multi-region orchestration strategies that optimize for data locality, reliability, and performance
Identify and resolve systemic reliability and performance issues through profiling, analysis, and collaboration with workload owners across multiple teams
Evaluate new technologies and paradigms that improve Zoox's computational and storage capabilities
Develop capacity planning tools and forecasting models to support Zoox's growing compute needs
Mentor junior engineers, guiding them through their career development
Qualifications
Experience designing and operating large-scale distributed systems in production
Experience with Ray.io, particularly Ray Core and Ray Data (or equivalent technologies)
Experience with Kubernetes, particularly for heterogeneous workloads
Experience with cloud infrastructure on AWS or similar providers
Track record of shipping and operating reliable, highly available scalable infrastructure
Demonstrated ability to prioritize development work and build cross-functional consensus around technical tradeoffs
Proficiency with Python
Bonus Qualifications
Exposure to machine learning workloads (training, inference, data generation)
Experience with Kubernetes or SLURM at scale (>10k+ nodes)
Experience with SLURM workload manager and advanced scheduling policies
Background in algorithmic optimization or operations research
Experience building developer tools and platforms used by large engineering organizations
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