About this role
Salary: £100,000 - 100,000 per year
Requirements: Strong Linux administration experience with RHEL, Rocky Linux or similarVMware vSphere/ESXi administration experienceExperience with Ansible or equivalent infrastructure automation toolsStrong Bash/shell scripting skillsStrong troubleshooting skills across Linux environments, including networking, storage and permissionsExperience with CI/CD environments and methodologiesIT infrastructure and security experienceActive and valid Developed Vetting (DV) security clearanceUK resident statusExperience supporting large-scale or complex infrastructure environments is desirableExperience working within DevOps environments is desirableWindows Server knowledge is desirableExperience supporting secure or highly regulated environments is desirableExposure to big data, cybersecurity or data science platforms is desirable Responsibilities: Administer, maintain and optimise Linux server environments across production and development platformsManage VMware vSphere/ESXi infrastructure, including virtual machines, resource allocation and host configurationDevelop and maintain automation using Ansible or equivalent tools to streamline deployments, configuration and routine tasksDevelop and maintain Bash and shell scriptsTroubleshoot complex Linux, networking, storage, permissions and performance issuesSupport secure IT infrastructure and CI/CD environmentsSupport interoperability with Windows Server environments where requiredContribute to continuous improvements across a highly secure big data platform Technologies: AnsibleBig DataBashCI/CDDevOpsSupportLinuxRHELSecurityVMwareWindows More:
We are offering an opportunity for a DV Cleared Senior Linux System Administrator to join our specialist security team supporting a secure, large-scale big data platform for a UK critical national infrastructure programme. Our platform supports a suite of cutting-edge cybersecurity and data science tools, and our team uses DevOps methodologies to deliver continuous improvements in response to evolving security requirements. We offer a bonus of up to 10%, a £5,000 annual DV allowance while working in a role requiring DV clearance, a pension scheme with 5% employee and 10% employer contribution, private GP access for you and your immediate family, enhanced maternity, paternity and adoption leave, paid carers leave, a holiday purchase scheme, and optional healthcare, dental and gym benefits. The role is predominantly on-site, with no fully remote or hybrid option, and no visa sponsorship is available.
last updated 39 week of 2026