Carl John Dulatre
Network Engineer · IT Remote Helpdesk

Professional Summary

Results-driven network engineer with 5+ years of hands-on experience designing, deploying, and operating enterprise-grade networks across multi-site environments. Proven in LAN/WAN optimization, security implementation, SD-WAN, VPN, and firewall configuration across Cisco, Fortinet, and Meraki ecosystems, with a strong focus on reliability and compliance.

Work Experience

Network Engineer
Trucell · Sydney, AU
Apr 2024 – Present
  • Architect and optimize LAN/WAN, VLAN, SD-WAN, and VPN solutions for multi-site enterprise clients to ensure secure, resilient connectivity.
  • Monitor and mitigate DDoS attacks, malware, and intrusions using FortiGuard Security Services and advanced threat detection tools.
  • Deploy and manage FortiGate security policies including NAT, IPS/IDS, and content filtering across multiple customer environments.
  • Execute firmware updates, security patches, and hardening for Fortinet and UniFi infrastructure to maintain compliance and integrity.
  • Manage ISP and vendor relationships, coordinate escalations, and oversee procurement of networking equipment.
  • Plan, design, and execute network upgrades, migrations, and expansions with minimal downtime.
IT Helpdesk
Top Support · Sydney, AU
Aug 2023 – Mar 2024
  • Provided support for VPN, RDP, and cloud connectivity issues for remote users and branch offices.
  • Supported Microsoft 365, email configuration, and SaaS implementations for 100+ concurrent users.
  • Managed VoIP systems, printing, and core network troubleshooting for client environments.
  • Deployed patches, updates, and security fixes across endpoints and servers.
  • Performed diagnostics for DHCP, DNS, Wi‑Fi, and firewall rules to improve performance and stability.
  • Delivered security awareness training focused on phishing and best practices.
Network Engineer
New Oriental Club · Manila, PH
Apr 2022 – Jun 2023
  • Designed and installed network infrastructure for multi-tenant offices and POGO environments.
  • Configured Cisco routers, switches, firewalls, and wireless APs for secure, optimized operations.
  • Implemented VLAN segmentation, subnets, and QoS to isolate traffic and improve performance.
  • Deployed redundant internet, SD-WAN, and failover to support high availability and continuity.
  • Provided on-site support for connectivity, VPN access, and SLA-driven service delivery.
  • Documented topology diagrams, baselines, and troubleshooting runbooks.
Network Engineer
MGKK ICT Services · Manila, PH
May 2021 – Nov 2021
  • Delivered network deployments for McDonald's corporate HQ and 50+ franchise branches using Cisco and Meraki solutions.
  • Optimized WAN, LAN, and SD-WAN connectivity, implementing secure VPN tunnels and redundancy.
  • Implemented QoS and traffic shaping to prioritize POS, kiosks, and digital menu boards.
  • Ensured compliance with corporate security policies and PCI-DSS for payment data.
  • Monitored network health and uptime through the Meraki Dashboard.
Technical Specialist
CuroTek Inc · Manila, PH
Feb 2019 – May 2021
  • Provided onsite and remote support for hardware, software, and network issues for 50+ users.
  • Resolved complex DHCP, DNS, and Wi‑Fi problems to restore services quickly.
  • Coordinated with PLDT Vitro Data Center teams for escalated infrastructure incidents.
  • Maintained SLA compliance with a 98% first-contact resolution rate.
  • Monitored and optimized hotline infrastructure through proactive issue resolution.
Advanced Tech Support
Concentrix · Manila, PH
Jul 2018 – Feb 2019
  • Delivered tier-2 technical support for AT&T mobile customers for activation and data connectivity issues.
  • Documented troubleshooting procedures and recurring issues to improve service quality.
  • Met targets for resolution time, CSAT, and first-contact resolution.
Tech Representative
Genpact · Manila, PH
May 2017 – Apr 2018
  • Supported Wells Fargo internal IT staff with hardware, software, and network issues.
  • Escalated complex incidents to senior network and security teams.
  • Assisted with deployment of patches and business-critical application updates.
Customer Service Representative
Inspiro · Makati, PH
Oct 2014 – Jan 2017
  • Processed customer transactions and resolved billing and service issues for Dish satellite customers.