1. Install, update, configure, and maintain server operating systems.

2. Ensure system security by implementing appropriate measures such as firewalls, antimalware and security patches.

3. Ensure the consistency and integrity of file systems.

4. Implement and maintain enterprise storage units such as NASs and SANs.

5. Implement and maintain server roles: domain controller, file, mail, database, web, DNS, DHCP, FTP and print server.

6. Implement and maintain backup and disaster recovery enterprise solutions.

7. Implement and maintain Antimalware enterprise solutions.

8. Administer user accounts, privileges and share storages across various systems depending on the business needs of each user.

9. Evaluate and recommend hardware and software upgrades to improve system performance and reliability.

10. Document system configurations, procedures, and troubleshooting details.

11. Collaborate with other IT team members to maintain systems and plan new projects and initiatives.