Operations Engineer, HPC Networking at CoreWeave in Sunnyvale, CA

Summary: CoreWeave is The Essential Cloud for AI™, providing a platform for innovators to build and scale AI. The Operations Engineer will support the deployment, monitoring, troubleshooting, and maintenance of large-scale InfiniBand fabrics, ensuring their stability and performance. Responsibilities: - Regularly monitor the performance and health of InfiniBand fabrics, including switches, host adapters, and nodes - Investigate and resolve operational issues within InfiniBand fabrics, such as network connectivity problems and performance bottlenecks - Assist with the installation and operational bring-up of large InfiniBand fabrics in collaboration with onsite personnel and customer teams - Perform routine maintenance and upgrades on InfiniBand switches and control plane components - Collaborate with HPC cluster operations teams to provide troubleshooting and operational expertise Required Qualifications: - At least 1 year of experience with InfiniBand or similar networking technologies - Solid understanding of networking concepts, including architectures, topologies, operational best practices, and troubleshooting - Experience with Linux system administration and maintenance - Proficiency in at least one scripting language Preferred Qualifications: - Hands-on experience with Nvidia UFM or similar fabric management tools - Familiarity with SLURM job scheduler and its role in HPC environments - Experience with monitoring and visualization platforms such as Grafana or Prometheus - Experience with operational tooling and automation frameworks like Ansible - Knowledge of data center operations, including server racks, and cabling - Python or Bash scripting Required Skills: InfiniBand, Networking concepts, Linux system administration, Scripting languages, Nvidia UFM, SLURM job scheduler, Grafana, Prometheus, Ansible, Data center operations, Python, Bash Benefits: Medical, dental, and vision insurance - 100% paid for by CoreWeave, 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