Professional Experience
Here's a detailed look at the infrastructure and systems I've built and improved.
Office Network Infrastructure Setup
Delivered office LAN rollouts at 69+ sites network layouts planned, enterprise routers configured and 250+ wireless access points deployed. VLANs segmented by department; printers, network-attached storage and PCs onboarded; cabling terminated and connectivity validated for reliable wired and wireless access.
What I Did
- Prepared network foundations with appropriate VLAN segmentation.
- Configured enterprise routers (IP addressing, bridges, NAT/port forwarding, queues, PPPoE, basic VPN).
- Deployed enterprise wireless access points for consistent office‑wide Wi‑Fi coverage.
- Managed DHCP/DNS to streamline onboarding and name resolution.
- Configured network-attached storage for shared storage and office services.
- Onboarded printers and network devices as part of rollout.
- Handled cable termination and basic cable management.
CCTV Surveillance Deployment
Supported IP CCTV deployments across 60+ sites (4–16 cameras each): installed enterprise IP cameras, configured NVRs for recording and remote access, isolated CCTV traffic via dedicated VLANs, completed cabling/piping, resolved connectivity issues and guided users on live view and playback.
What I Did
- Installed enterprise IP cameras per coverage requirements.
- Configured NVRs for continuous recording and storage retention.
- Enabled remote viewing via manufacturer's viewing applications (mobile/desktop).
- Segmented CCTV devices in dedicated VLANs for stable traffic.
- Diagnosed cabling, power and network connectivity issues.
- Trained staff to access live feeds and retrieve recordings.
IT Asset & System Upgrade Program
Hands‑on execution of IT upgrade initiatives: boosting workstation performance, migrating operating systems and handling essential asset management.
What I Did
- Upgraded workstations from HDD to SSD for speed and reliability.
- Executed OS migrations (Windows 10 → Windows 11 Pro).
- Performed RAM upgrades for laptops and desktops.
- Maintained and updated asset inventory during upgrade cycles.
- Configured user profiles, restored backups and ensured smooth return to productivity.
- Followed proper procedures for secure hardware disposal.
Secure Remote Access Implementation
Implemented secure remote access to enable safe work‑from‑home, maintaining business continuity with strict security controls protecting company data.
What I Did
- Configured L2TP/IPsec and OpenVPN on enterprise routers.
- Enforced firewall policies limiting VPN access to approved resources.
- Provisioned user accounts and distributed connection guides.
- Monitored VPN logs for suspicious activity and access attempts.
- Optimized bandwidth (Queues) to prioritize critical applications.
- Provided remote troubleshooting via remote desktop tools.
Centralized Access Control System
Deployed electronic access control integrated with the network for centralized management and entry/exit reporting.
What I Did
- Installed magnetic locks, keypads and biometric readers.
- Wired access control panels to central network switches.
- Configured access control management software for user management and attendance.
- Integrated alerts with the security monitoring center.
- Issued RFID cards and registered employee fingerprints.
- Maintained the database and scheduled regular backups.
Self-Hosted Business Intelligence Platform
Deployed a robust self‑hosted data analytics and no‑code environment on a VPS: business intelligence platform for visualization and internal tools, containerized with container orchestration and secured behind custom subdomains.
What I Did
- Provisioned and secured a Linux VPS for hosting.
- Containerized business intelligence and no-code platforms using container orchestration.
- Configured reverse proxy solution for load balancing and SSL termination.
- Set up custom subdomains for intuitive access.
- Managed DNS records pointing subdomains to the VPS.
- Established automated backups for volumes and databases.
