MIT · Senior Network Engineer
Leading the design and operation of resilient network infrastructures across 42 countries. Specialized in enterprise routing, firewall security, SD-WAN, and PCI-DSS compliance, with a proven record of 100% SLA performance.
Practical write-ups from real deployments — troubleshooting, migrations, and automation.
A practical guide to applying AI in network operations — covering AIOps pipelines for anomaly detection, using large language models for config generation and review, predictive capacity planning with Python, vendor AI platforms (Cisco AI Analytics, Juniper Mist, Aruba), and where human expertise remains irreplaceable.
Automate Cisco IOS, IOS-XE, and NX-OS configuration with Ansible — covering inventory, connection plugins, ios_config vs cli_command, idempotent playbooks, roles, Jinja2 templates, and a full VLAN deployment workflow.
Connect your on-premises network to AWS and Azure using IPsec VPN, AWS Direct Connect, and Azure ExpressRoute — covering BGP peering, route propagation, dual-provider redundancy, and real-world failover design for enterprise hybrid cloud.
Results-driven Network Infrastructure Engineer with 8+ years of experience in designing, deploying, and managing global network infrastructures across 40+ countries. Experience in firewall management (Cisco ASA, Palo Alto), SD-WAN, MPLS, BGP/OSPF routing, and network security compliance (PCI-DSS). Proven ability to lead teams, resolve critical outages, and optimize network performance while ensuring 100% SLA adherence.
Based in Cebu City, Philippines, I specialize in designing fault-tolerant network architectures that serve thousands of users across dozens of countries. My approach combines deep protocol knowledge with modern automation to eliminate human error and reduce operational overhead.
Master's Degree in Information Technology
Ateneo de Cagayan University
Cagayan de Oro, Philippines
Bachelor of Science in Computer Science
Ateneo de Cagayan University
Cagayan de Oro, Philippines
Cisco Certified Network Associate (CCNA)
Cisco · #246404589
Cisco Cybersecurity Essentials
Cisco
Palo Alto Networks Accredited Systems Engineer (ASE)
Palo Alto Networks
Sophos Certified Architect
Sophos
Certified Payment Security Practitioner (CPSP)
PCIP
Led P1 incident response for a critical Asia-Pacific MPLS core failure affecting 2,100+ clients. Implemented multipath failover and configuration adjustments to restore full service within SLA windows.
📈 Impact: Full service restoration within SLA, zero client escalations
Reconfigured VeloCloud SD-WAN traffic prioritization policies for Cebu HQ, implementing application-aware QoS to optimize performance for critical business applications and VoIP traffic.
📈 Impact: Measurable improvement in application performance and user experience at HQ
Led PCI-DSS compliance program at Tech Mahindra PH sites as Compliance Lead. Implemented strict access controls, network segmentation, and audit-ready configurations across all in-scope systems.
📈 Impact: Zero audit findings for 3 consecutive years across all PH sites
Core team member for enterprise-wide remote access deployment during the pandemic, implementing scalable VPN and secure access solutions for 1,200+ employees with zero SLA breaches.
📈 Impact: 100% SLA maintained throughout full pandemic WFH period
End-to-end greenfield network deployment for Filinvest Cyberzone Cebu. Designed and built ISP connectivity, core/distribution switching, and wireless LAN infrastructure from ground up — delivered ahead of schedule.
📈 Impact: Delivered ahead of schedule, zero post-handover incidents
Led pre-sales technical design and end-to-end project delivery for enterprise clients across Mindanao, covering Cisco, Fortinet, Palo Alto, Sophos, Avaya telephony, and Meraki wireless solutions.
📈 Impact: 30% downtime reduction through proactive maintenance programs
Whether you have a project in mind, want to discuss network challenges, or just want to connect — I'm always open to new conversations.
GitHub
github.com/ShadowVraxLocation
Cebu City, Philippines