Senior Linux Systems Administrator

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CommonAI CIC is a non-profit membership organisation, founded on a belief in collaborative engineering for the safe and responsible development of foundational AI technologies. A place where AI startups, enterprises large and small, public sector bodies and academia can share resources and knowledge, to codevelop and grow businesses, fast.

We are seeking a highly skilled Senior Linux 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.

Requirements

You should be able to demonstrate:

• Significant experience working as a professional System Administrator or equivalent technical role
• Advanced Linux skills and experience working with servers running hypervisors/VMs and multiple distributions (e.g. Ubuntu, RHEL)
• Proficiency in scripting (e.g. Python, Bash), 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
• The ability to travel to data centres and install rack-mounted equipment

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

• Modern GPU server deployment, tuning and management
• High-performance or high-availability storage servers/clusters (Lustre, Ceph, NFS)
• Advanced networking technologies (Infiniband, RDMA, RoCE)
• HPC workload managers (Slurm, LSF)

Our infrastructure is used for research and development. Support will generally only be required during UK business hours however major maintenance may occasionally be scheduled for weekends.

Benefits

• A collaborative and supportive work environment
• The opportunity to have a high impact in a growing organisation
• Competitive salary package and pension
• Professional development opportunities
• Networking opportunities with influential people from across the tech sector and academia
• A vibrant office environment located a few minutes' walk away from Cambridge train station

CommonAI CIC is an equal opportunity employer and is committed to creating an inclusive and diverse workplace.