Infrastructure System Administrator - Wimbledon, UK Salary up to £55,000 depending on experience Active SC clearance required Hybrid working About The Client Our client is a highly secure and well established technology organisation delivering advanced solutions across critical national infrastructure and defence aligned environments. They operate at the forefront of IT and operational technology integration, with a strong focus on innovation, resilience, and security. Due to continued growth, they are looking for an experienced Infrastructure Systems Administrator to join their team. The Benefits Flexible working options, including compressed fortnight Private healthcare and cash health plan Holiday buy and sell scheme Structured career development and training Performance bonus The Infrastructure System Administrator Role You will play a key role in designing, building, and maintaining secure infrastructure across complex environments. Working across both IT and OT systems, you will support high availability platforms, ensuring performance, compliance, and security standards are consistently met. You will also contribute to virtualisation, system optimisation, and ongoing monitoring across the environment. Infrastructure System Administrator Essentia...