CAREER

Professional Experience

March 2024 – Present

Administer and maintain enterprise network infrastructure, including MikroTik routers, Layer 2/3 switches, routing, NAT, VPNs, and firewall security.
Configure and manage Sophos XG/SG Firewalls, IPS/IDS, web filtering, VPNs, and network security policies.
Deploy, manage, and secure Linux (RHEL), Windows, Storage, Web, and Database servers to ensure optimal performance and availability.
Administer VMware vSphere infrastructure, including ESXi hosts, vCenter, virtual machines, and virtual networking.
Manage Microsoft 365, Exchange, cPanel, webmail, DNS, SSL certificates, email systems, and website hosting environments.
Deploy and support IP PBX solutions (Asterisk, FreePBX, 3CX), including SIP trunks, IV Configure and manage Sophos XG/SG Firewalls, IPS/IDS, web filtering, VPNs, and network security policies.
Design and implement disaster recovery, backup, business continuity, and IT security compliance solutions.
Administer VMware vSphere infrastructure, including ESXi hosts, vCenter, virtual machines, and virtual networking.
Lead ERP, infrastructure upgrade, migration, and new site deployment projects while ensuring operational efficiency.
Develop and enforce IT strategies, policies, procedures, governance frameworks, and technology roadmaps aligned with business objectives.
Manage IT budgets, procurement, vendor relationships, audits, and stakeholder coordination to ensure cost-effective and reliable IT operations.

June 2021 – February 2024

Administer and maintain Windows Servers, including DHCP, DNS, RDS, Enterprise CA, and Group Policy Management.
Manage and optimize VMware ESXi environments engineer and maintain “platform-in-a-box” solutions for development and testing.
Oversee server configuration, performance tuning, patch management, and routine system maintenance to ensure optimal uptime and reliability.
Manage storage, web, and database servers as well as cloud systems to support enterprise operations.
Design and implement disaster recovery, data backup, and business continuity strategies to safeguard organizational data.
Ensure system integrity, security compliance, and timely updates across all server environments.
Configure, monitor, and manage office LAN infrastructure including pfSense multi-WAN firewalls, QoS policies, and VPN connectivity.
Implement and manage network and system security measures, including firewall rules, endpoint protection, and access control policies.
Maintain telephony, VoIP, and communication systems for seamless organizational connectivity.
Support and maintain Active Directory and Microsoft Exchange Server for user account creation, email setup, and access management.
Provide first-level technical support as the primary contact for all IT-related issues, ensuring efficient communication and timely resolution.
Install, configure, and maintain CCTV, IP cameras, NVR systems, and biometric access control systems to enhance security monitoring.

January 2018 – May 2021

Monitored network performance and security to ensure stable LAN/WAN connectivity and protection against vulnerabilities.
Managed and supported store and enterprise network infrastructure, including routers, switches, firewalls, and structured cabling systems.
Provided 2nd-level desktop, network, application, and ERP system support, ensuring minimal downtime and business continuity.
Installed, configured, and maintained computer hardware, operating systems, business software, ERP applications, printers, and scanners.
Supported ERP user access, role assignment, basic configuration, issue troubleshooting, and coordination with vendors or development teams.
Administered Active Directory user accounts, including creation, modification, password resets, and access removal to ensure security compliance.
Performed data center operations such as rack & stack of servers, switches, and storage devices with proper cabling and documentation.
Delivered server hardware support for HP and Dell systems, including HDD, RAM, PSU, NIC replacement, and iLO configuration.