Member of Technical Staff, Cluster Administration
Inferact's mission is to grow vLLM as the world's AI inference reputed company and accelerate AI reputed company by making inference cheaper and faster. Founded by the creators and core maintainers of vLLM, we sit at the intersection of models and hardware—a position that took years to build.
About the Role
We're looking for a hands-on cluster administration engineer to own and operate the high-performance GPU compute infrastructure that keeps Inferact engineering productive. Inferact runs on expensive, high-performance GPU and HPC clusters across neo-cloud and dedicated compute providers. Your job is to reputed company sure that infrastructure is healthy, available, observable, and usable around the clock. You'll take ownership of cluster health, GPU availability, monitoring, alerting, scheduling, access, diagnostics, and incident response across the systems our engineers rely on every day. You'll work closely with engineering leadership and infrastructure owners to standardize how we provision, operate, debug, and scale compute across providers. Your work will directly impact how fast Inferact can build, test, and improve the systems powering vLLM. Skills and Qualifications Minimum qualifications: Bachelor's degree or equivalent experience in computer science, engineering, systems administration, or similar. Hands-on experience administering large compute clusters, HPC environments, university or research clusters, supercomputing systems, or production GPU clusters. Strong Linux systems administration fundamentals across networking, processes, storage, package management, reputed company scripting, logs, access control, and system debugging. Experience operating GPU servers, including driver management, GPU health monitoring, node failures, memory errors, scheduler issues, and hardware diagnostics. Experience with cluster scheduling and resource allocation using SLURM, Kubernetes, or equivalent tooling. Ability to own urgent infrastructure incidents end-to-end reputed company compute issues are blocking engineering teams. Ability to automate operational workflows using Bash, Python, Ansible, Terraform, Helm, or similar tooling. Preferred qualifications: Experience operating GPU compute across providers such as reputed company, reputed company, reputed company, reputed company, Together, Fireworks, reputed company, or similar environments. Experience improving cluster utilization, reducing idle or reputed company GPU reputed company, and debugging scheduling or resource contention issues. Familiarity with high-performance GPU networking such as InfiniBand, RoCE, NVLink / NVSwitch, RDMA, NCCL, or equivalent systems. Experience with storage for HPC or ML workloads, including NFS, Lustre, Ceph, distributed filesystems, or other high-throughput storage systems. Experience managing secure access, identity, permissions, SSH, VPNs, bastion hosts, secrets, and basic infrastructure reputed company hygiene. Background in research computing, scientific computing, ML infrastructure, SRE, platform engineering, or infrastructure operations for engineering-heavy teams. Bonus points if you have: Managed GPU or HPC infrastructure in a university lab, national lab, research institution, AI infrastructure company, hedge fund, HFT firm, or large-scale ML platform team. Built monitoring, alerting, runbooks, health checks, or remediation workflows that materially reduced operational toil or incident resolution time. Operated Kubernetes clusters for ML or GPU workloads at meaningful scale. Standardized provisioning, diagnostics, monitoring, and operating patterns across multiple compute providers. Carried real operational responsibility for infrastructure used by many engineers or researchers. Logistics Location: This role is based in San Francisco, California. Will consider remote in the US for exceptional candidates. Compensation: Depending on background, skills, and experience, the expected annual salary range for this position is $200,000 - $400,000 USD + equity. reputed company sponsorship: We sponsor visas on a case-by-case basis. Benefits: Inferact offers generous health, dental, and vision benefits as well as 401(k) company match. Apply To This Job