Zyle Allhen Manzanero

• Prepare detailed shop drawings for glass, facade, and architectural metalwork systems in compliance with project specifications and engineering standards
• Coordinate with project managers and site engineers to ensure drawing accuracy and on-time delivery
• Produce and revise CAD technical drawings for fabrication and installation teams; maintain drawing registers and revision logs

Served as a Data Center Operations & Support Specialist, responsible for monitoring and managing data center infrastructure using tools such as Nagios, Grafana, iNet Snowflakes, Transaction Monitoring Tool, DBeaver, WinSCP, and PRTG. Duties included extracting and presenting data from monitoring tools, executing and editing SQL queries, and preparing comprehensive reports and data visualizations for management. Promptly initiated command calls during production issues, addressed and resolved network, application, and production environment problems, and retrieved logs for incident investigation and escalation. Participated in remote application installation, patching, and server maintenance, while ensuring data security by following confidentiality procedures. Developed operational procedures to improve efficiency, communicated and escalated issues across multiple channels, and supported office operations with ad-hoc tasks.

Provided technical support and troubleshooting services for individual and small business clients as a freelance IT Technician and Security Systems Installer. Responsibilities included diagnosing and resolving hardware and software issues, building and assembling system units tailored to client preferences, and installing and configuring CCTV systems, access control systems, and networking devices for both residential and commercial clients. Repaired biometric attendance systems to restore full functionality and delivered efficient remote and on-site technical support to resolve user issues promptly. This freelance work fostered strong problem-solving skills and adaptability in diverse technical environments.

• Performed 24/7 monitoring of ATM networks, transaction switching systems, and fintech infrastructure for major Philippine banks using Grafana, PRTG, and ATM Monitoring tools to ensure continuous service availability
• Ran SQL queries to extract and compile transaction data for monitoring reports and operational dashboards
• Detected, triaged, and escalated incidents affecting ATM transaction processing and interbank settlement uptime; performed initial troubleshooting and coordinated with Tier 2/3 teams for rapid SLA-compliant
resolution
• Collected and reconciled ATM transaction data hourly; produced EOD, weekly, and monthly operational
performance reports for management and banking stakeholders via Excel-based dashboards
• Monitored POS systems, payment gateways, and network devices; executed first-response NOC procedures and maintained disaster recovery awareness to minimize disruption to banking clients
• Managed and reset user credentials for jump server accounts, ensuring secure and compliant access to critical fintech infrastructure
• Maintained NOC runbooks, shift handover reports, and incident logs; coordinated with network engineers and app support teams to resolve infrastructure incidents within SLA via iCare Ticketing System
• Supported system maintenance, cloud migration initiatives (assisting on-premises to cloud transition), and disaster recovery activities to help ensure system resiliency and continuity of fintech operations

• Gathered and analyzed client requirements; produced system documentation including use case diagrams,
data flow diagrams, and functional specifications for web and information system projects
• Assisted in UI/UX design — created wireframes, mockups, and user interface prototypes for web and
mobile applications built on PHP, MySQL, and WordPress
• Participated in full SDLC activities — requirements gathering, system design, UAT, and deployment
coordination.

• Diagnosed and repaired computer hardware issues for clients, including component-level troubleshooting
• Assembled custom PC builds and rigs to client specifications, including thermal tuning and performance optimization
• Provided ad hoc technical support and hardware servicing, building practical hands-on experience alongside formal IT studies

• Provided technical support to faculty and students covering hardware troubleshooting, software installation, and system maintenance
• Set up and maintained computer lab workstations; supported network connectivity, printer configurations, and peripheral setup