- Administer a hybrid Linux and Windows Server environment supporting internal systems and hosted services
- Manage Active Directory, DNS, DHCP, IIS, and FTP services across Windows Server 2022 infrastructure
- Maintain and optimize DNS infrastructure ensuring reliable name resolution and service availability
- Implement user access controls, Group Policy, system hardening, and security best practices across both environments
- Monitor performance, manage backups, and lead disaster recovery processes while proactively resolving infrastructure issues