John Raymond Pamorada
Network | System | Security Administrator
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About
Experienced Network and System Administrator with expertise in managing enterprise Information and Communication Technology (ICT) infrastructure, administering Windows/Linux servers and virtualization. Skilled in securing networks, firewall configuration and improving security postures. Committed to staying abreast on emerging technologies and security measures to enhance organizational resilience and safeguard critical ICT resources.
Experience
Computer Maintenance Technologist III - Department of Health
(2024-01)
- Manage and administer Active Directory (AD), DNS, DHCP, and other internet services
- Install, maintain, and upgrade Linux & Windows-based servers and desktops
- Install, configure, and manage VMware, HCI infrastructure, virtual machines, and network-attached storage
- Administer and manage Identity and Access Management (OKTA)
- Investigate security incidents and conduct forensic analysis
- Configure, manage and troubleshoot Cisco Layer 2 and Layer 3 switches
- Administer, configure, and troubleshoot bandwidth and traffic manager (FatPipe)
- Conduct security assessments on networks, applications, and operating system (OpenVAS, Nexpose, Nessus, OWASP ZAP, Nmap, and Google Dork)
- Administer firewalls and security appliances (Palo Alto, F5, Fortinet, Sophos, IPS/IDS, WAF, Cloud Flare)
- Monitor security logs and alerts using SEIM Tools
- Analyze network traffic and user behavior for suspicious activities
- Generate and manage SSL Certificates, including CSR, KEY
- Investigate security incidents, contain threats and mitigate risks
- Draft Terms of Reference for ICT procurement activities
- Conduct market research to support ICT procurement decision
Computer Operator IV - Department of Health
(2015-01 - 2023-12)
- Provide technical support and assistance onsite and satellites offices on network, application, security appliances, and troubleshooting
- Operate and maintain wired & wireless LAN
- Diagnose and troubleshoot network issues related to routers, switches, firewalls, and ISPs
- Diagnose and resolve network connectivity issues
- Assist in configuring and maintaining network devices (CISCO, Fortinet, Sophos)
- Monitor network performance, uptime, and availability (NMS)
- Identify and resolve network outages and performance bottlenecks
- Provide end-user support, resolving technical issues
- Assist developers with system-related request and troubleshooting
- Ensure proper backup of network configuration and disaster recovery plans
- Work closely with ISPs and vendors for troubleshooting and service improvements
Computer Operator II - Department of Health
(2014-03 - 2014-12)
- Conducts training and workshops on various DOH Health Information System including the National Rabies Information System (NaRIS), National Online Stock Inventory System (NOSIRS), Violence against Women and Children Registry System (VAWCRS), Philippine Registry for Persons with Disabilities (PRPWD), and Integrated Philippine Network for Injury Data Management System (iPNIDMS)
- Provide technical assistance to DOH Facilities in implementing the DOH Health Information System
IT Technical Staff - Veterans Memorial Medical Center
(2009-06 - 2014-04)
- Provide hardware and system support, including software installation and troubleshooting of computer peripherals
- Manage network infrastructure, including cabling, system diagnostics
- Administer server and database management, including backups
- Oversee the Hospital Information System
Education
Bachelor of Science - Information Technology - Polytechnic University of the Philippines (2021 - 2024)
Associate - Computer Technology - Dr. Carlos S. Lanting College (2007 - 2009)


