System Administrator – Server & Cloud Infrastructure

About the role

The System Administrator maintains reliable, secure and well‑documented server environments across all premises and cloud infrastructure. This role involves managing operating systems, applications and services throughout development, testing, staging and production environments.

Key responsibilities

• Installs, configures and maintains server operating systems and application environments across development, testing, staging and production.
• Monitors availability, utilisation, capacity and performance, applying patches through approved change procedures.
• Supports deployment and rollback of approved application releases.
• Manages system identities, service accounts, certificates and permissions.
• Implements and verifies backups, conducts recovery testing and supports high‑availability and disaster‑recovery arrangements.
• Troubleshoots infrastructure incidents escalated from the Service Desk and provides log evidence during investigations.
• Implements security configurations with the Cybersecurity Expert and coordinates hosting requirements with the Database Administrator.
• Automates routine tasks and maintains infrastructure diagrams, configuration records and operating procedures.

Required profile

• Bachelor’s degree in Information Technology, Computer Science, Information Systems, Computer Engineering or a related field.
• At least four years of relevant systems‑administration experience.
• Demonstrated experience administering production server environments.

Required skills

• Windows and/or Linux server administration.
• Virtualisation technologies (e.g., VMware).
• Cloud platforms such as Azure and AWS.
• Networking fundamentals.
• Scripting with PowerShell or Bash.
• Backup and recovery procedures.
• System monitoring and performance tuning.
• Certificates management and identity/access management.
• Deployment support for application releases.