Senior Linux System Administrator - DV Security Cleared

An opportunity is available for a DV Cleared Senior Linux System Administrator to join a specialist security team supporting a secure, large-scale big data platform for a UK critical national infrastructure programme.

The platform supports a suite of cutting-edge cybersecurity and data science tools, with the team using DevOps methodologies to deliver continuous improvements in response to evolving security requirements.

Key Responsibilities

· Administer, maintain and optimise Linux server environments across production and development platforms

· Manage VMware vSphere/ESXi infrastructure, including virtual machines, resource allocation and host configuration

· Develop and maintain automation using Ansible or equivalent tools to streamline deployments, configuration and routine tasks

· Develop and maintain Bash and shell scripts

· Troubleshoot complex Linux, networking, storage, permissions and performance issues

· Support secure IT infrastructure and CI/CD environments

· Support interoperability with Windows Server environments where required

· Contribute to continuous improvements across a highly secure big data platform

· Strong Linux administration experience with RHEL, Rocky Linux or similar

· VMware vSphere/ESXi administration

· Ansible or equivalent infrastructure automation tools

· Bash/shell scripting

· Strong troubleshooting skills across Linux environments

· Networking, storage and permissions

· CI/CD environments and methodologies

· IT infrastructure and security experience

Desirable Skills

· Experience supporting large-scale or complex infrastructure environments

· Experience working within DevOps environments

· Windows Server knowledge

· Experience supporting secure or highly regulated environments

· Exposure to big data, cybersecurity or data science platforms

· Bonus of up to 10%

· £5,000 annual DV allowance while working in a role requiring DV clearance

· 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

· Holiday purchase scheme

· Optional healthcare, dental and gym benefits