IT System Administrator

My client, a payments solutions company, is seeking an experienced IT System Administrator to manage and support a hybrid infrastructure environment, spanning both on-premises systems and cloud platforms. This role is critical to ensuring the stability, security, and scalability of the technology stack that underpins high-availability payment services.

You will work closely with DevOps, Security, and Application teams to ensure reliable day-to-day operations while continuously improving system resilience and efficiency.

Key ResponsibilitiesInfrastructure Management

• Administer, monitor, and maintain on-premises servers, storage, and network infrastructure
• Manage cloud environments (e.g. AWS and/or Azure), including provisioning, configuration, performance tuning, and cost optimisation
• Ensure high availability, reliability, and performance of systems supporting payment processing and business-critical services

Security & Compli...