Senior Engineer, Storage (File & Block)

Were looking for a Senior Storage Engineer File & Block to help build and operate the file and block storage services at the heart of CoreWeaves Storage team the high-performance multi-tenant storage that our largest AI training and inference workloads and internal stateful services run on. Youll help turn CoreWeaves storage from a follower of GPU growth into a multiplier of it: owning the data path and control plane for both file and block running them on our own hardware fleet and shipping the customer-facing capabilities that unblock petabyte-scale deals. Youll work closely with compute platform and infrastructure teams to make storage fast reliable and effortless to consume at scale.

Design build and operate highly scalable multi-tenant file and block storage from the data path (NFS for file; durable high-performance block volumes) to the control plane that governs tenancy provisioning and data protection running natively on CoreWeaves storage fleet and delivered through Kubernetes.

• Own the file system data path: NFS hot-path reliability IO resilience and performance including the small-file / IOPS-heavy workloads that AI pipelines depend on and the throughput that keeps GPUs fed.
• Build a native block storage service: durable high-performance block volumes for customer workloads and internal stateful services the third leg of the file/object/block triad running on our own data path and shared storage hardware.
• Deliver both file and block as first-class Kubernetes citizens: design and ship a backend-neutral CSI driver with dynamic provisioning resize snapshots and RWO block volumes backed by a public provisioning SLO reusing shared control-plane and CSI patterns across file and block rather than rebuilding per service.
• Build the control plane: multi-tenant isolation quota QoS snapshots key management (BYOK) audit and lifecycle policy the capabilities that unblock regulated and enterprise customers (e.g. encryption in transit HIPAA controls).
• Improve the reliability durability and observability of the storage stack; partner with operations to monitor analyze and optimize using telemetry metrics and dashboards to improve performance latency and resilience.
• Work cross-functionally with platform product and infrastructure teams to deliver seamless storage across the stack including tiering cold data to lower-cost object storage while preserving access.
• Share your knowledge and mentor other engineers on best practices in building distributed high-performance systems.

• Bachelors or Masters degree in Computer Science Engineering or a related field.
• 610 years building storage systems distributed systems or infrastructure services.
• Strong hands-on experience with distributed or networked file systems and/or block storage in production e.g. NFS/POSIX file semantics at scale and/or block volume services (durability snapshots replication).
• Depth in the storage data path: IO performance caching small-file and metadata-heavy workloads crash consistency and resilience under load.
• Experience with multi-tenant services or storage control planes provisioning tenancy/quota and data-protection features (snapshots encryption key management).
• Proficiency in a systems/back-end language Go strongly preferred (C or Rust a plus).
• Experience building on Kubernetes controllers/operators CRDs and CSI (dynamic provisioning resize snapshots RWO volumes).
• Familiarity with distributed databases (e.g. CockroachDB) workflow orchestration (e.g. Temporal) and gRPC/Protobuf service design.
• Ideally experience with distributed or parallel storage stacks such as Ceph/RBD Lustre GPFS/Spectrum Scale BeeGFS WEKA VAST or DAOS.
• Familiarity with storage observability tools and telemetry pipelines (e.g. ClickHouse Prometheus Grafana).
• Bonus: exposure to high-performance data-path technologies (RDMA GPUDirect Storage RoCE InfiniBand SPDK).
• Strong debugging and problem-solving skills in distributed high-performance environments.
• Clear communicator able to work collaboratively across teams and share technical insights effectively.

We believe in investing in our people and value candidates who can bring their own diversified experiences to our teams even if you arent a 100% skill or experience match.

At CoreWeave we work hard have fun and move fast! Were in an exciting stage of hyper-growth that you will not want to miss out on. Were not afraid of a little chaos and were constantly learning. Our team cares deeply about how we build our product and how we work together which is represented through our core values:

• 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 $182000 to $242000. 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 addition to base salary our total rewards package includes a discretionary bonus equity awards and a comprehensive benefits program (all based on eligibility).

What We Offer

The range weve 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. The benefits below reflect our US-based offerings for full-time employees; for roles in other locations benefits vary and are shared during the hiring process. These include:

• 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

California Applicants

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Equal Opportunity & Accommodations

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: .

Export Control Compliance

This position requires access to export controlled information. To conform to U.S. Government export regulations applicable to that information applicant must either be (A) a U.S. person defined as a (i) U.S. citizen or national (ii) U.S. lawful permanent resident (green card holder) (iii) refugee under 8 U.S.C. 1157 or (iv) asylee under 8 U.S.C. 1158 (B) eligible to access the export controlled information without a required export authorization or (C) eligible and reasonably likely to obtain the required export authorization from the applicable U.S. government agency. CoreWeave may for legitimate business reasons decline to pursue any export licensing process.