Introduction

Company cultures & job summary

Our client is looking for a Senior Linux System Administrator to join a specialist security team supporting a big data platform for a UK critical national infrastructure customer. You'll need solid hands-on Linux administration experience alongside a strong understanding of IT security and infrastructure.

Working Patterns and location - Hybrid - 9 days on site per fortnight

Key responsibilities

• Administer, maintain, and improve Linux server environments across production and development platforms.

• Support and manage VMware vSphere environments, including VMs, resource allocation, and host configuration.

• Develop and maintain automation solutions using Ansible to streamline deployments and configuration.

• Troubleshoot complex issues across OS, networking, performance, and storage.

• Support interoperability with Windows Server systems where required.

• Contribute to DevOps practices and continuous improvement of the platform.

• Ensure platform security requirements are met in line with rapidly changing customer needs.

Skills & experience

expected to have everything:

• Strong hands-on experience administering Linux environments in a production setting.

• Proven ability to troubleshoot complex issues across OS, networking, storage, and performance.

• Experience writing and maintaining scripts to automate tasks and configuration.

• Solid understanding of IT security principles and secure infrastructure management.

• Experience working with IT infrastructure in a continuous integration or DevOps environment.

• Ability to manage and maintain large-scale, complex server environments.

The client would also like to see some of the below, but this is not essential:

• Strong experience with RHEL, Rocky Linux or similar enterprise Linux distributions.

• Hands-on experience with VMware vSphere and ESXi administration.

• Practical experience with Ansible or similar configuration management and automation tools.

• Proficiency in Bash shell scripting.

• Solid understanding of networking, storage management, and Linux permissions.

Additional benefits

• Annual bonus up to 10%.
• Pension up to 5% Employee/10% Employer.
• Private Medical Cover.
• Dental Insurance.
• Health Assessment.
• Life Assurance.

Our client is committed to providing a diverse and inclusive workplace and welcomes applications from all backgrounds.

Part-time opportunities/flexible working is available to suit individual needs.

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You will be required to hold a minimum of DV Clearance. If you do not hold an active DV Clearance, please familiarise yourself with the vetting process before applying.

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