Senior Linux Systems Administrator

Dubizzle Limited; Cambridge; Hybrid; GBP 50,000 - 70,000; Full time

Job summary

A tech-focused non-profit organization in Cambridge seeks a highly skilled Senior Linux Systems Administrator to manage multi-rack GPU server clusters. Ideal candidates will possess robust Linux expertise, proficient scripting skills, and a passion for collaborating within a supportive environment. The role is pivotal for research infrastructure, offering competitive benefits and influential networking opportunities in the tech and academic sectors. Join a diverse team dedicated to impactful AI technology development.

Benefits

Competitive salary package and pension

Professional development opportunities

Networking opportunities

Qualifications

• Significant experience as a professional System Administrator or equivalent.
• Experience with multi-rack GPU server clusters.
• Strong understanding of switch/router/firewall configuration.

Responsibilities

• Provision and maintain multi-rack GPU server clusters.
• Optimize systems collaboratively with users and stakeholders.
• Travel to data centres for equipment installation.

Skills

Advanced Linux skills

Scripting (Python, Bash)

Source code management (Git)

Infrastructure-as-code tools (Terraform, OpenTofu)

Network design understanding

Tools

High-performance storage servers (Lustre, Ceph, NFS)

HPC workload managers (Slurm, LSF)

Job description

Overview

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.

Responsibilities

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

Qualifications

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)

Work environment and benefits

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.

• 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.