Joseph Gulleban Borja

Server & Infrastructure Management

• Monitored and maintained production servers to ensure high availability, security, and performance.
• Migrated non-essential applications from bare-metal servers to AWS, enhancing scalability and reducing hardware dependencies.
• Optimized server performance through automation, custom scripting, and proactive configuration tuning.

Cloud & AWS Administration

• Deployed, configured, and managed AWS services including EC2, RDS, and Route 53.
• Reduced operational costs by auditing and decommissioning unused cloud assets.
• Improved SSL management by replacing non-commercial certificates with Let’s Encrypt, reducing licensing costs.

Backup, Security & Disaster Recovery

• Implemented offline backups of MySQL databases and EC2 snapshots with scheduled test restores.
• Hardened servers against malware, exploits, and vulnerabilities through proactive security hardening.
• Led DDoS mitigation and recovery efforts, ensuring continuity of services during attacks.

Monitoring & Compliance

• Monitored and managed SSL certificates to ensure renewal and compliance.
• Used Pingdom and other monitoring tools to maintain uptime and detect performance issues.
• Conducted IT workflow audits, recommending and implementing efficiency improvements.

Collaboration & Support

• Partnered with developers to provision infrastructure and allocate resources for ongoing projects.
• Delivered Tier-2/3 support for users and IT staff, ensuring business continuity.
• Produced comprehensive documentation and facilitated knowledge transfer to the IT team.
• Conducted on-site datacenter visits (local and overseas) to support infrastructure rollouts.

Key Achievements

• Reduced AWS hosting costs by eliminating unused assets and using free SSL solutions.
• Improved disaster recovery readiness by automating backup verification and system monitoring.
• Strengthened IT security posture through proactive DDoS defense and SSL lifecycle management.

Systems & Server Administration

• Administered Active Directory and Group Policy in a 2,000+ user environment.
• Installed, configured, and administered Windows Server (2003, 2008 R2, 2012), Linux, and macOS servers.
• Managed Exchange Server 2010 with HA redundancy and multiple mailbox databases.
• Configured and administered core IT services: DHCP, DNS, File Sharing, FTP, SMB, VPN.
• Provided support and disaster recovery services for MSSQL failover clusters and IIS 7 web servers.

Virtualization & Cloud

• Administered VMware vSphere 5.x (30+ servers, multiple clusters) and Hyper-V environments.
• Managed VxRail Systems and collaborated with virtualization engineers to support VM infrastructure.
• Configured SAN/Storage systems (EMC VNX, VNX5100) and troubleshot host-related storage issues.
• Implemented Veeam, Comodo, and Symantec backup solutions with scheduled restores and HP autoloaders.
• Supported Office 365 and Google Workspace for enterprise clients.

Networking & Security

• Maintained LAN/Wi-Fi availability using Microsoft Active Directory, FreeRADIUS, and Capsa Enterprise monitoring.
• Configured and maintained Cisco routers, switches, and ASA firewalls, as well as Fortigate and Smoothwall appliances.
• Managed Palo Alto firewalls in high-availability mode.
• Configured and monitored VPN access for secure remote connectivity.
• Implemented MRTG and SiteScope monitoring systems for performance and availability.

Collaboration & Communication Systems

• Administered Avaya telephone systems and Citrix XenApp environments for enterprise use.
• Ensured continuous uptime and optimized usage of communication and virtualization platforms.

Server & Systems Administration

• Installed and configured diverse server operating systems, including Apple macOS, Linux distributions, and Microsoft Windows Servers for enterprise networks.
• Administered macOS-based infrastructure delivering core services such as DHCP, DNS, FTP, and AFP.
• Deployed and maintained Apache Web Servers to support local web applications and services.

Network & Security Management

• Administered and secured enterprise networks through advanced firewall configuration and management.
• Configured, maintained, and optimized Cisco networking devices including routers and switches.
• Managed enterprise WiFi authentication using FreeRadius on Linux servers.
• Developed and deployed a custom FTP service application, enhancing global support team efficiency.

Telephony & Communication Systems

• Administered Cisco Call Manager, ensuring reliable corporate telephony services.
• Provided Tier-1 support for WASP and Norcom communication platforms.

Storage & SAN Management

• Maintained and supported enterprise-class storage solutions, including Promise RAID and Xserve RAID subsystems.
• Configured, administered, and optimized SAN-based file systems and related components such as Apple Xsan, QLogic SANbox switches, HBA cards, LUNs, and storage pools.
• Supported video editors and graphics teams by managing Xsan systems for high-performance media workflows.

Monitoring & Performance Management

• Monitored and analyzed network traffic using Capsa Enterprise to ensure security and efficiency.
• Implemented and maintained performance monitoring tools including MRTG and Sitescope.

Broadcast & Media Systems

• Provided technical support for broadcast automation systems powering live TV news programs and variety shows.

Server & Network Administration

• Evaluated, approved, and implemented configuration changes to optimize systems performance.
• Installed, configured, and administered routers, switches, and firewalls to support LAN, VLAN, WLAN, and multi-WAN environments.
• Deployed and managed Linux/Unix systems providing core services such as DHCP, DNS, NTP, and Squid proxy servers.
• Installed and configured Apple Mac OS X and Linux server platforms for production use.
• Administered proxy servers and firewalls, including Exinda appliances for WAN optimization.

Infrastructure & Systems Management

• Administered Mac-based systems providing DHCP, DNS, FTP, and AFP services.
• Maintained Cisco networking equipment to ensure optimal connectivity.
• Managed Peplink Load Balancer for gateway redundancy and performance.
• Deployed and managed Exinda WAN optimization appliances for bandwidth monitoring.
• Maintained wireless access with FreeRadius authentication on Linux servers.

Monitoring & Support

• Maintained MRTG and Sitescope monitoring systems for proactive performance tracking.
• Developed and deployed custom FTP service applications to support global customer operations.
• Installed and configured Apache Web Server for corporate websites.
• Performed MySQL database administration, including backup and optimization.

IT Infrastructure & Web Development

• Maintained company network and internet infrastructure on Windows 2000 Server.
• Developed HTML templates and CSS stylesheets to modernize web presence.
• Revamped corporate website to improve usability and branding.
• Implemented MySQL database replication to improve reliability.
• Established secure VPN connections using AVM server.

Systems & Support

• Administered desktops, laptops, and printers across the organization.
• Provided 24x7 on-call support for production servers and critical systems.

Systems & Server Management

• Maintained network and internet infrastructure on Cisco platforms.
• Installed and supported SIP servers for temporary VoIP services.
• Configured and administered Windows NT, Linux, and Solaris servers.
• Deployed and managed web-based email and FTP services on Linux systems.
• Maintained and backed up MySQL databases.

Access & Security

• Configured dial-up internet access servers with RADIUS authentication.
• Implemented user authentication and accounting for prepaid internet access cards.

IT Support

• Provided desktop, laptop, and printer maintenance.
• Configured VoIP clients and delivered technical support to end users.

Networking & Infrastructure

• Maintained Cisco-based network and internet infrastructure.
• Deployed and configured satellite internet receivers for corporate connectivity.
• Managed dial-up infrastructure using Windows Server and NT-based modem pools.

Server Administration

• Administered data centers running Windows Server (AD, DHCP, DNS), Linux servers, and over 100 desktop systems.
• Configured and managed web servers and FTP services on Linux systems.
• Delivered 24x7 on-call support for production servers.

Systems & Infrastructure

• Maintained Windows and Linux servers for corporate and dial-up services.
• Configured and supported dial-up internet access accounts and authentication systems.
• Maintained networking infrastructure and provided 24x7 on-call client support.

Systems & Web Services

• Maintained company’s Windows NT and Linux server infrastructure.
• Developed HTML templates and CSS stylesheets for internal and client use.
• Configured and administered Linux-based email and FTP services.
• Delivered 24x7 production server support.

Systems & Infrastructure

• Maintained Linux dial-up servers (DHCP, DNS, Gateway) supporting 200+ users.
• Deployed and managed Linux-based email, FTP, and MySQL servers.
• Provided routing, WAN/LAN, and switching support.

System Design & Deployment

• Implemented imaging procedures to streamline end-user computer deployments.
• Deployed OpenFiler-based SAN/NAS (iSCSI/NFS) storage solutions.
• Maintained MRTG monitoring systems for proactive infrastructure oversight.
• Provided 24x7 operational support for mission-critical systems.

Freelance Structured Cabling Projects

• Divine Word College – Designed and implemented network cabling infrastructure for the Internet and EDP section of the school, ensuring reliable connectivity and performance.
• Cyberscript Internet and Document Services – Configured Internet servers and deployed structured cabling solutions to support business operations and scalability.

Freelance Web Design & Development

• Cebu Trip Rent A Car – Designed and developed the official website (www.cebutrip.net), improving online presence and customer accessibility.
• Bal Tours Travel Agency – Built and launched the company website (www.bal-tours.ph), enabling online inquiries and enhancing brand visibility.