Linux System Administrator

Salary: £60,000 - 65,000 per year

Requirements:

• Strong Linux administration skills across distributions such as Ubuntu, Debian and Rocky Linux/Red Hat.
• Good understanding of networking concepts, including switching, firewalls and fault diagnosis.
• Experience administering virtualisation environments, ideally using XCP-ng and Xen Orchestra.
• Storage management experience, with exposure to NetApp being advantageous.
• Hands-on experience with infrastructure automation using tools such as Ansible and Terraform or OpenTofu.
• Administration of Jenkins, including server configuration and CI/CD pipeline creation.
• Experience implementing monitoring and observability solutions using platforms such as Prometheus, Grafana or Zabbix.
• Proficiency in scripting with Bash and/or Python.
• Desirable experience with Kubernetes administration and Rancher.
• Desirable experience with automated bare-metal provisioning using technologies such as iPXE or Redfish.
• Desirable experience with secrets management platforms, including HashiCorp Vault.
• Desirable experience with software licence management tools such as FlexLM/FlexNet.
• Desirable experience with CI/CD platforms including Azure DevOps.
• Desirable experience with Artifactory administration.
• Desirable experience with Slurm Workload Manager.
• Desirable experience with Windows Server, Active Directory, Microsoft 365, Azure and Entra ID administration.

Responsibilities:

• Manage and enhance the physical and virtual infrastructure that supports our engineering teams.
• Maintain the reliability, security, and performance of development environments across multiple platforms.
• Work closely with software and hardware engineers to understand infrastructure requirements and deliver practical, scalable solutions.
• Drive automation initiatives that simplify infrastructure deployment, configuration, and ongoing administration.
• Monitor system health, troubleshoot complex technical issues and implement improvements to maximise uptime.
• Contribute to the ongoing evolution of our infrastructure, tooling, and operational best practices.

Technologies:

• Active Directory
• Ansible
• Azure
• Bash
• CI/CD
• Debian
• DevOps
• Grafana
• Hardware
• Jenkins
• Kubernetes
• Linux
• Microsoft 365
• Prometheus
• Python
• Security
• Terraform
• Ubuntu
• Windows
• Zabbix
• Office 365
• Cloud

More:

We are offering an excellent opportunity for an experienced Linux System Administrator to join our Engineering team in Southampton. You will work in a highly technical environment supporting software and hardware engineers who deliver cutting-edge technology. In this role, we take ownership of our on-premise infrastructure, ensuring our platforms remain secure, scalable and highly available, while championing automation to reduce manual processes and improve engineering efficiency.

last updated 31 week of 2026