Diogenes Cortes

• Provided 24/7 virtual support for troubleshooting satellite and baseband systems, reducing mission-critical downtime by 15% through rapid response and resolution
• Managed and resolved issues on switches, routers, VOIP, and firewalls, ensuring secure communications with a 99% uptime for a network of 50-100 clients across operations
• Utilized Simple Network Monitoring Protocol to maintain and optimize network uptime across multiple nodes, proactively addressing potential issues to ensure seamless connectivity
• Utilized WSUS to deploy and manage updates and patches to Windows-based systems, ensuring timely and efficient remediation of security vulnerabilities and minimizing downtime.

• Assigned to the 39th Signal Battalion, became part of CLC (Command Liaison Cell), serving as both operator and maintainer for MILSTAR and FAB-T SATCOM terminals directly serving US SACUER.
• Developed strategies for improving the availability, reliability and performance of SATCOM networks.
• Installed and Maintained advanced communication cable systems, including fiber optics and copper wiring, ensuring reliable connectivity for mission-critical operations.
• Provided technical support for customers regarding satellite communications systems. Replaced defective components in order to restore functionality of SATCOM systems.

Managed Active Directory and updated workstations, ensuring compliance with IT security policies. Provided technical training and guidance to junior personnel, contributing to enhanced system administration and security practices.

• Resolved trouble tickets related to network connectivity, email, and collaborative services, including Outlook, Outlook calendars, and SharePoint.
• Managed Active Directory, creating user accounts, groups, mailboxes, and objects. Designed and managed the organization's SharePoint page, improving collaboration across sections.
• Implemented a patch management process using ACAS, which included scanning for vulnerabilities, prioritizing and applying patches, and verifying the success of patch deployments.
• Diagnosed and troubleshot network, hardware, and software issues for over 300 users, maintaining 95% uptime and minimizing disruptions to business operations.

IT System Administrator at Camp Red Cloud Network Operations Center (NOC), Korea, specializing in managing and monitoring complex network systems. Proficient in troubleshooting network issues to ensure optimal performance and maintain high levels of system availability. Experienced in analyzing network traffic, implementing security protocols, and effectively coordinating with cross-functional teams to resolve incidents swiftly.

• Monitored and maintained network systems, such as routers, switches, firewalls, and related hardware.
• Configured and installed software for the nodes on the network to ensure efficient operation.
• Troubleshot technical issues with the various components of the network system.
• Performed regular maintenance tasks such as backups, patching, and upgrades of the network system. Provided technical support to end-users in resolving any networking related issues they encountered.