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.




RECOMMEND A FRIEND: If you have professional friends/colleagues who would be interested in one of our roles and our excellent levels of service too, we'd like to recognise your recommendations with a 'thank you' of our own. For every friend you refer who then starts a role through Datasource either Contract or Permanent, we will send you £200 of Love to Shop Gift Vouchers & gift your friend £100 in Love to Shop Gift Vouchers as well!



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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