Support and monitor our AWS and Azure environments networking and backups. Administer Linux servers: users and permissions, updates, services, logs and troubleshooting. Αdminister Microsoft environments: Windows Server, Active Directory / Entra ID and Microsoft 365. Help maintain GitLab — repositories, permissions, runners and CI/CD pipelines. Apply patches and security updates and respond to monitoring alerts. Handle day-to-day support requests and document the fixes.
