Linux System Administrator

Salary: £60,000 - 65,000 per year

• 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 Net App being advantageous.
• Hands‑on experience with infrastructure automation using tools such as Ansible and Terraform or Open Tofu.
• 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 Hashi Corp Vault.
• Desirable experience with software licence management tools such as FlexLM/Flex Net.
• Desirable experience with CI/CD platforms including Azure Dev Ops.
• Desirable experience with Artifactory administration.
• Desirable experience with Slurm Workload Manager.
• Desirable experience with Windows Server, Active Directory, Microsoft 365, Azure, and Entra .

• 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.

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

We are an experienced and highly technical engineering environment in Southampton, where our infrastructure underpins the work of software and hardware engineers delivering cutting‑edge technology. This is an exciting opportunity to take ownership of our on‑premise infrastructure, helping us keep platforms secure, scalable, highly available, and continuously improving through automation and operational best practices.