Rico Llandelar
Assistant System Administrator | Technical Support Specialist | Sec+
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About
CompTIA Security+ certified Cybersecurity and IT Professional with over 8 years of progressive experience in technical support, systems administration, identity and access management (IAM), endpoint security, network monitoring, and vulnerability management. Experienced in administering Active Directory, Microsoft 365, Google Workspace, firewall monitoring, patch management, backup operations, and incident handling within an enterprise environment. Skilled in implementing security controls, conducting access reviews, monitoring security events, supporting compliance initiatives, and collaborating with crossfunctional teams to reduce organizational risk.
Passionate about strengthening security posture through continuous monitoring, preventive security measures, and cybersecurity best practices.
Experience
Assistant System Administrator/ IT Support Specialist at Southville International School and Colleges (2025-07 – 2026-07)
- Assist in managing Active Directory, Microsoft 365, and Google Workspace accounts, permissions, and group policies.
- Administer Active Directory, Microsoft 365, and Google Workspace environments, managing user lifecycle, permissions, and security policies.
- Monitor firewall alerts, network activity, and system logs to identify anomalies, unauthorized access attempts, and potential security risks.
- Perform vulnerability remediation through operating system and application patch management activities.
- Conduct routine server health checks and security hardening activities to maintain secure system configurations.
- Support access control management and user privilege reviews following least-privilege principles.
- Assist in maintaining backup operations and disaster recovery readiness to ensure business continuity.
- Collaborate with infrastructure and security teams to implement security controls, operational procedures, and policy improvements.
- Support VMware and Hyper-V virtualized environments while maintaining system availability and security.
- Participate in infrastructure upgrades and technology deployments while ensuring adherence to security standards and best practices.
Technical Support Associate at Southville International School and Colleges (2022-07 – 2025-07)
- Served as first-line technical support for hardware, software, networking, and access-related incidents.
- Logged, categorized, prioritized, and escalated incidents using Zoho Desk ticketing system.
- Performed account provisioning, password resets, and permission management through Active Directory and Google Admin console.
- Conducted preventive maintenance and endpoint troubleshooting to ensure device availability and security compliance.
- Supported remote users using secure remote access tools including RDP and TeamViewer.
- Assisted faculty, staff, and students with technical troubleshooting while maintaining strong customer service standards.
- Escalated unresolved or high-impact incidents to higher-tier support teams while maintaining ticket ownership.
- Assisted in maintaining classroom technologies, conferencing systems, and office equipment.
Technical Support Assistant at Southville International School and Colleges (2018-05 – 2022-07)
- Responded to classroom tech issues and assisted in resolving technical concerns.
- Performed troubleshooting on computers, projectors, and AV equipment.
- Assisted in the annual preventive maintenance of computer units and e-classroom equipment inspections under supervision.
Education
Master in Information Technology in Information Technology – Southville International School and Colleges (2023-09 – 2025-08)
Bachelor of Science in Information Technology in Information Technology – Southville International School and Colleges (2018-07 – 2022-08)

