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Cybersecurity Expert: M365, Server Hardening and Security Audits
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System & Cloud Security Administrator
Backbone • Freiberufler
Jul 2025 - Present • 11 mos
Managed M365 security for international clients across Australia, Singapore and Philippines. Deployed Defender for Endpoint, configured Entra ID and Conditional Access policies. Administered Proxmox VE clusters, Ansible automation, Docker monitoring stacks and Zabbix alerting for production infrastructure.