Infrastructure System Administrator

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 Essential Skills

• Strong experience with Windows Server and Linux environments, ideally Red Hat
• Hands on experience with virtualisation technologies such as VMware or Hyper V
• Background in infrastructure support, engineering, or administration
• Understanding of cybersecurity principles and vulnerability management
• Experience working in secure or regulated environments
• Knowledge of IT and OT integration is beneficial

To Be Considered

Please either apply through this advert or emailing me directly via . For further information please call me: . By applying for this role, you give express consent for us to process and submit (subject to required skills) your application to our client in conjunction with this vacancy only.

Key Skills

Windows Server, Red Hat Linux, VMware, Hyper V, Infrastructure, Cybersecurity, IT OT, Monitoring, NSD