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# Senior AI Systems Administrator

- **Company:** CommonAI C.I.C.
- **Location:** Cambridge, UK
- **Experience:** Expert
- **Salary:** £60,815.0
- **Contract:** Permanent contract
- **Skills:** OpenTofu, Ubuntu (Operating System), Linux, InfiniBand, Python (Programming Language), Network Planning and Design, Performance Tuning, Remote Direct Memory Access, Red Hat Enterprise Linux, Weka, Ceph (Software), Network Routers, Git, Infrastructure Automation Frameworks, Slurm, Machine Learning Operations, Firewall Services Module, Terraform, Network Server, Software Version Control
- **Published:** October 2, 2026
- **Apply:** https://www.adzuna.co.uk/jobs/details/5905500759

## About the Role

We are seeking a highly skilled Senior AI Systems Administrator to join our rapidly growing engineering team. You will provision and maintain multi-rack GPU server clusters designed for both inference and training workloads. This role is perfect for a hands-on engineer who thrives on the intersection of cutting-edge high-end hardware and complex software orchestration., You should be able to demonstrate:

 * Significant experience working as a System Administrator, HPC Engineer, MLOps Engineer or equivalent technical role
 * Modern GPU server deployment, tuning and management
 * Advanced networking technologies (Infiniband, RDMA, RoCE)
 * Advanced Linux skills and experience working with servers running hypervisors/VMs and multiple distributions (e.g. Ubuntu, RHEL)
 * Expertise in source code management (e.g. Git) and infrastructure-as-code tools (e.g. Terraform, OpenTofu)
 * A strong understanding of network design and switch/router/firewall configuration
 * The desire to work collaboratively with users and other stakeholders to iteratively optimise systems

Experience with any or all of the following will also be highly valued:

 * High-performance or high-availability storage servers/clusters (Lustre, Ceph, Weka, PEAK:AIO)
 * HPC workload managers (Slurm, LSF)
 * Proficiency in scripting (e.g. Python)