Eleazar Tejero De Venecia

Professional Overview

11+

Years of Experience

50+

Projects Delivered

Industries Served

100%

Client Satisfaction

Professional Summary

Dynamic and results-driven IT specialist with extensive expertise in designing, implementing, and maintaining comprehensive security solutions and network infrastructure. Proven track record of delivering high-performance network architectures, CCTV systems, access control solutions, and VoIP implementations across hospitality, retail, and manufacturing sectors.

Known for strong problem-solving abilities, meticulous attention to detail, and delivering solutions that exceed client expectations. Skilled in cloud management, virtualization, and modern security protocols.

Core Competencies

🔒 Security & Access Control

CCTV systems, Biometric access, Proximity cards, Physical security

🌐 Network Infrastructure

LAN, WAN, VPN, SD-WAN, Firewalls, Fortinet solutions

☁️ Cloud & Virtualization

VMware, Hyper-V, VirtualBox, Office 365, AWS basics

📱 System Administration

Windows Server, Active Directory, Linux (Ubuntu, CentOS)

🤖 AI-Enhanced Solutions

Claude AI integration, Automation scripting, Smart development

🚀 The AI Advantage

I leverage Claude AI as a strategic development partner to deliver solutions 3-5x faster without compromising quality. This means:

⚡ Rapid Prototyping: Turn complex requirements into working solutions in days, not weeks
💡 Intelligent Design: AI-assisted architecture for scalable, secure, future-proof systems
🔄 Smart Automation: Automated scripting, DevOps integration, and continuous improvement
💰 Cost Efficiency: Lower development costs translated into better value for clients
📚 Complete Documentation: Comprehensive technical guides and runbooks generated intelligently

Professional Experience

Network Specialist

Warbucks / Rephil Corporation

Aug 2023 - Present (1+ years)

Manage VPS domain settings, cPanel, and Outlook configurations for cloud services
Oversee comprehensive network infrastructure with expertise in Fortinet (FortiGate, FortiClient) and Ubiquiti systems
Handle LAN, WAN, SD-WAN, VPN, SSL configurations and traffic shaping
Manage virtualization platforms: VMware, Hyper-V, VirtualBox, and VM Workstation
Administer Ubuntu, CentOS, and Windows Server operating systems
Develop and program web applications using PHP and MySQL databases

IT Field Specialist / Officer

Pulse Optix Inc - Structured Cabling & IT Solutions

Oct 2017 - June 2023 (5+ years)

Designed and implemented CCTV systems ensuring optimal coverage and resolution
Conducted site surveys and provided detailed security recommendations
Installed and configured PABX systems integrated with VoIP solutions
Managed Office 365 deployments including user administration and licensing
Administered Windows Server environments with Active Directory and Group Policy expertise
Implemented biometric and proximity card access control solutions
Designed network infrastructure including wireless, routers, switches, and firewalls

IT Specialist

The Luneta Hotel - Athenee Resort and Hotel Inc

May 2016 - 2017

Managed CCTV, biometrics, PABX, IPTV systems and monitoring infrastructure
Provided Active Directory and Remote Desktop Connection administration
Supported Windows and Linux server environments
Managed structured cabling and hardware/software infrastructure
Implemented stock control inventory systems and procurement reporting

Technical Support Engineering / MIS

Puregold Price Club, Inc - Retail & Merchandise

Oct 2011 - Jan 2016 (4+ years)

Configured Client-Server networks using Windows 2003/2008 servers and Active Directory
Administered file servers for POS systems (Linux CentOS)
Managed Remote Desktop Connection infrastructure
Responsible for POS, hardware, software, and network infrastructure installation and maintenance
Created daily, weekly, and monthly sales and network health reports

IT Support / Technical Support

Onesimus Corporation - Retail, Garment & Manufacturing

Apr 2011 - Sep 2011

Handled POS system installation, setup, and maintenance
Provided hardware and software user support
Managed structured cabling infrastructure

IT Staff / Programmer (PHP, MySQL, HTML, CSS)

Jollibee LRC Group / GL Product Unlimited Worldwide Corp - Food Industry

May 2010 - Feb 2011

Developed web applications using HTML, CSS, PHP, and MySQL
Monitored website servers and managed hosting capacity
Performed video editing and code research

Technical Skills & Expertise

🔒 Network Administration & Security

LAN/WAN Configuration VPN & SSL SD-WAN Firewalls Fortinet (FortiGate/FortiClient) Ubiquiti Networks Traffic Shaping

🏢 Business Systems & Cloud

Office 365 Windows Server Active Directory Group Policy DNS Administration VPS Management cPanel

☁️ Virtualization & Cloud

VMware Hyper-V VirtualBox VM Workstation Cloud Solutions Fortinet Cloud

🐧 Operating Systems

Windows (XP-Server 2019) Ubuntu CentOS Linux Administration

🎥 Security Systems

CCTV Design & Installation Access Control Systems Biometric Systems Proximity Card Systems PABX/PBX Systems VoIP Integration

💻 Programming & Web Development

PHP MySQL HTML/CSS Web Hosting FTP Management

🛠️ Specialized Services

Structured Cabling POS Systems Remote Desktop Connection Hardware Support Software Installation System Integration

🤖 AI & Automation Expertise

Claude AI Integration AI-Assisted Development PowerShell Automation Python Scripting Bash Scripting Infrastructure as Code DevOps Practices System Monitoring Intelligent Documentation Data Analysis & Reporting

AI Expertise & Automation Portfolio

Why Claude AI as My Development Companion

As a seasoned IT professional with over 11 years of experience, I've embraced Claude AI as a strategic development partner to accelerate innovation and deliver smarter solutions. Claude complements my technical expertise by providing:

🚀 Rapid Development & Prototyping

Generate code architectures, system designs, and technical solutions 10x faster while maintaining production-quality standards

💡 Creative Problem Solving

Brainstorm innovative solutions for complex network challenges, security scenarios, and system integration issues

📚 Knowledge Enhancement

Stay current with emerging technologies, best practices, and industry standards in IT and cybersecurity

⚙️ Automation & Scripting

Generate PowerShell, Bash, and Python scripts for system automation, reducing manual tasks and improving efficiency

🔍 Technical Documentation

Create comprehensive system documentation, disaster recovery plans, and technical guides quickly and professionally

🛡️ Security Analysis

Analyze security vulnerabilities, design hardening strategies, and develop comprehensive threat mitigation plans

AI-Powered Projects & Capabilities

Intelligent Network Design Solutions

Using Claude AI for Architecture & Planning

Leverage AI to design optimized network topologies for complex enterprise environments
Generate comprehensive network documentation with detailed configurations
Analyze security vulnerabilities and generate hardening recommendations
Create disaster recovery and business continuity plans

Automation & DevOps Integration

Claude-Assisted Infrastructure Automation

Generate PowerShell scripts for Windows Server automation
Create Bash and Python scripts for Linux infrastructure management
Develop infrastructure-as-code (IaC) solutions with Terraform/Ansible templates
Build monitoring and alerting configurations for network health

Web Applications & System Tools

AI-Enhanced Development

Develop interactive dashboards for network monitoring and system analytics
Create admin tools for server management and user provisioning
Build secure web applications with modern frameworks
Generate responsive interfaces for system administration tasks

Technical Writing & Documentation

AI-Powered Knowledge Base Creation

Create comprehensive technical documentation for system implementations
Generate step-by-step runbooks for common IT operations
Develop security policies and procedures documentation
Produce training materials for technical staff and end-users

Data Analysis & Reporting

Intelligent Business Intelligence

Analyze network performance data and generate actionable insights
Create executive dashboards and KPI tracking systems
Generate automated reporting for compliance and audit requirements
Forecast infrastructure needs based on historical data patterns

AI Integration in My IT Practice

⚡

Faster Delivery

3-5x faster solution development

🎯

Better Quality

Comprehensive, well-architected solutions

💰

Cost Reduction

Lower implementation costs for clients

🚀

Innovation Edge

Stay ahead of industry trends

My AI-Powered Value Proposition

I combine 11+ years of hands-on IT experience with cutting-edge AI capabilities to deliver enterprise-grade solutions faster and smarter. Claude AI enables me to scale my expertise—automating routine tasks, generating production-ready code, and solving complex architectural challenges—while I focus on strategic thinking and client success. This hybrid approach means clients get both deep technical expertise AND modern AI-accelerated development efficiency.

Result: Better solutions, faster delivery, lower costs, and a competitive advantage for every engagement.

Education & Certifications

Bachelor of Science in Information Technology

Our Lady of Fatima University

June 2006 - March 2010

120 McArthur Hi-way, Valenzuela City

High School Diploma

Caloocan High School

June 2002 - March 2006

Grace Park, 10th Ave. Caloocan City

Elementary Education

Caloocan Elementary School

June 1996 - March 2002

Grace Park, 10th Ave. Caloocan City

Industry Expertise

Hospitality

Hotels & Resorts

Retail

POS Systems

Manufacturing

Operations

Food & Beverage

Quick Service

Technology Services

IT Solutions

Garment