Engineer II, HPC Network

Core Weave is the AI Hyperscaler, delivering a cloud platform of cutting edge services powering the next wave of AI. Our technology provides enterprises and leading AI labs with high-performance, efficient, and resilient solutions for accelerated computing. Since 2017, Core Weave has operated a growing footprint of data centers spanning the US and across Europe. Core Weave was named one of TIME
100 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, Core Weave is the place for you. Join us, and be part of a team solving some of the most exciting challenges in the industry.

Core Weave powers the creation and delivery of the intelligence that drives innovation.

• Deploy and manage Infiniband network systems in high-scale data center environments.
• Oversee the end-to-end lifecycle of IB hardware and software components.
• Develop and maintain tools to automate deployment, monitoring, and troubleshooting workflows.
• Analyze and resolve complex network performance, connectivity, and stability issues.
• Collaborate cross-functionally with internal teams and external customers around the globe to ensure high-quality outcomes.
• Participate in a rotating on-call schedule to provide 24/7 operational support.

• Hands-on experience with Infiniband networking technologies.
• Strong foundational knowledge of networking concepts and protocols.
• Experience using Grafana and PromQL for monitoring and visualization.
• Proficient in Linux systems administration.
• Experience with infrastructure-as-code tools such as Ansible and HELM.
• Proficiency in at least one scripting or programming language (e.g., Python, Go).
• Strong problem-solving skills with a proven track record in troubleshooting complex infrastructure and application issues.
• Familiarity with diagnosing issues at the network and server hardware component level.
• Excellent verbal and written communication skills, with a collaborative mindset.

• Experience operating large-scale environments with 1,000+ switches or nodes.
• Background in data center networking.
• Exposure to HPC-specific workloads and architectures.
• Familiarity with NVIDIA UFM (Unified Fabric Manager).
• Experience with NCCL (NVIDIA Collective Communications Library).

• Be Curious at Your Core
• Act Like an Owner
• Empower Employees
• Deliver Best-in-Class Client Experiences
• Achieve More Together

We support and encourage an entrepreneurial outlook and independent thinking. We foster an environment that encourages collaboration and provides the opportunity to develop innovative solutions to complex problems. As we get set for take off, the growth opportunities within the organization are constantly expanding. You will be surrounded by some of the best talent in the industry, who will want to learn from you, too.

Come join us!

The base salary range for this role is $139,000 to $204,000
. The starting salary will be determined based on job-related knowledge, skills, experience, and market location. We strive for both market alignment and internal equity when determining compensation. In addition to base salary, our total rewards package includes a discretionary bonus, equity awards, and a comprehensive benefits program (all based on eligibility).

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.

• Medical, dental, and vision insurance - 100% paid for by Core Weave
• 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…