HPC Network Engineer, InfiniBand

CoreWeave is the AI Hyperscaler™, delivering a cloud platform of cutting edge services powering the next wave of AI. The company's technology provides enterprises and leading AI labs with the most performant, efficient and resilient solutions for accelerated computing. Since 2017, CoreWeave has operated a growing footprint of data centers covering every region of the US and across Europe. CoreWeave was ranked as one of the TIME100 most influential companies of 2024.

As the leader in the industry, we thrive in an environment where adaptability and resilience are key. Our culture offers career-defining opportunities for those who excel amid change and challenge. If you're someone who thrives in a dynamic environment, enjoys solving complex problems, and is eager to make a significant impact, CoreWeave is the place for you. Join us, and be part of a team solving some of the most exciting challenges in the industry.

CoreWeave powers the creation and delivery of the intelligence that drives innovation. To learn more about our values, please visit our careers website.

About the Role:

CoreWeave is seeking a highly skilled and motivated HPC Network Engineer to join our fast growing team. In this role, you will play a crucial part in the development, support, and optimization of our HPC networking performance. As a member of the HPC Networking Team, some of the responsibilities you will have in this opportunity include:

• Monitoring: Consistently monitoring the performance and overall health of InfiniBand fabrics, which includes network switches, host adapters, and nodes. This responsibility entails utilizing existing monitoring tools and potentially developing new ones to ensure comprehensive visibility and timely detection of any issues or abnormalities.
• Troubleshooting: Skillfully investigating and resolving various issues that may arise within InfiniBand fabrics. This involves diagnosing network connectivity problems, identifying and resolving performance bottlenecks, and effectively addressing any errors or failures within the fabric components.
• Support: Provide assistance and collaboration to other teams involved in the management and operation of HPC clusters utilizing InfiniBand technology. This includes offering expertise, guidance, and troubleshooting support to ensure the smooth functioning and optimal performance of the clusters.
• Deploy and Bringup: Help with installation of large fabrics, organizing and work with teams to bring up fabrics from day 0 to operational fabrics together with onsite personnel and customers.
• Operations/Configuration: Work with configuration tooling, operations teams to carry out maintenance and upgrades of switches and the control plane of the fabrics.

Wondering if you're a good fit? We believe in investing in our people, and value candidates who can bring their own diversified experiences to our teams – even if you aren't a 100% skill or experience match. Here are some qualities we've found compatible with our team. If a portion of this resonates with you, we'd love to talk.

• Proficient in InfiniBand configuration and management.
• Solid understanding of network architectures, topologies, best practices, and techniques for high performance and availability.
• Familiarity with optical networking hardware.
• Experience in Linux system administration.
• Proficiency in at least one scripting language.
• Team player with effective collaboration skills.
• Ability to manage multiple tasks and projects concurrently.

Preferred Skills:

• Hands-on experience with Nvidia UFM.
• Familiarity working with SLURM job scheduler.
• Experience or familiarity with Grafana for monitoring and visualization.
• Insight into HPC systems architecture and operational workflows.
• Familiarity with various MPI implementations.
• Experience with automation and configuration management tools such as ansible.
• Acquaintance with open-source technologies pertinent to HPC administration, including resource management, storage systems, monitoring infrastructure, software deployment, and continuous integration.

Our compensation reflects the cost of labor across several US geographic markets. The base pay for this position ranges from $160,000-$210,000. Pay is based on a number of factors including market location and may vary depending on job-related knowledge, skills, and experience.

What We Offer

The range we've posted represents the typical compensation range for this role. To determine actual compensation, we review the market rate for each candidate which can include a variety of factors. These include qualifications, experience, interview performance, and location.

In addition to a competitive salary, we offer a variety of benefits to support your needs, including:

• 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
• Tuition Reimbursement
• 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

Our Workplace

At CoreWeave, we are committed to operating as a hybrid workplace, offering employees flexibility in how they structure their time between in-office and remote work. We recognize the significance of fostering connections, collaboration, and creativity within our office culture and its positive impact on our business. Our philosophy operating as a hybrid workplace underscores our dedication to enabling employees to tailor work-life balance to their individual preferences.

For those who do not live within 30 miles of one of our offices, we are open to considering remote work for candidates whose skills and experience strongly align with the role. While we prioritize a hybrid work environment for most roles, we understand the importance of flexibility and are open to remote work for specific positions and specialized skill sets. Onboarding is essential to your success. New employees not based out of an office will be invited to attend onboarding training at one of our hubs within their first month of employment. We continue to foster a collaborative environment by bringing teams together quarterly.

California Consumer Privacy Act - California applicants only

CoreWeave is an equal opportunity employer, committed to fostering an inclusive and supportive workplace. All qualified applicants and candidates will receive consideration for employment without regard to race, color, religion, sex, disability, age, sexual orientation, gender identity, national origin, veteran status, or genetic information.

As part of this commitment and consistent with the Americans with Disabilities Act (ADA), CoreWeave will ensure that qualified applicants and candidates with disabilities are provided reasonable accommodations for the hiring process, unless such accommodation would cause an undue hardship. If reasonable accommodation is needed, please contact: careers@coreweave.com.