Handled Oracle DBs, configured routers/switches/firewalls, managed LAN/WAN/VPN, administered servers, provided support, implemented new functionalities, and generated technical reports.

Monitored Oracle databases, created SQL/PLSQL scripts, managed network infrastructure, administered Windows/Linux servers, provided technical support, and participated in system improvement projects.

Reviewed documentation, monitored projects, maintained infrastructure, created network diagrams, and ensured stability/security of environments.

Prepared technical documentation, ensured compliance, followed project stages, maintained Oracle DBs, designed technical architecture, collaborated with dev/support teams.

Supported users, maintained Oracle DBs, configured routers/switches, monitored LAN/VPN, managed access, and applied security policies.

Provided technical support, resolved incidents, configured network equipment, supported basic network admin tasks, implemented cybersecurity best practices.