SENIOR CLOUD, NETWORK & AI ENGINEER

Gilbert De Leon

Twelve-plus years designing, automating and troubleshooting enterprise networks and cloud infrastructure. Currently at Microsoft, supporting complex Azure & hybrid networking for Fortune 500 customers while serving as a core developer on internal AI agent authoring platforms and MCP servers.

gdleonq@gmail.com (754) 232-2013 github.com/gil906 linkedin.com/in/gilbert-deleon
Seattle / Bothell, WA
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Portrait of Gilbert De Leon
12+
Years of Experience
Enterprise cloud, networking & AI
Azure · AWS · GCP
Cloud Platforms
Multi-cloud environments
BGP · SD-WAN · DNS · VPN
Networking & Connectivity
Enterprise-grade infrastructure
AI & Platform
MCP · Agents · Terraform · AKS
Building intelligent solutions

Experience

Valid

Solutions Support Engineer · Technical Engineer

Nov 2020 – Jun 2022
  • Designed and deployed an AWS-hosted Python/Flask eSIM marketplace with QR-code provisioning and multi-tenant AWS infrastructure (EC2, RDS, SQS, SNS, VPC) via Terraform, Docker and Kubernetes.
  • Implemented Zabbix monitoring across 100+ on-premises and cloud servers (cutting outage detection from days to minutes) and Jenkins CI/CD pipelines reducing upgrade windows from 6 hours to minutes.
  • Built Python and Selenium ES2+ automated test suites, passing the GSMA SAS-SM compliance audit with zero findings.

Telefónica

Network Administrator Specialist

Nov 2019 – Nov 2020
  • Co-led network design for a $200M+ nationwide public-education programme (Conexión Total), integrating 150+ education facilities with datacenters via BGP, SD-WAN and Riverbed WAN acceleration.
  • Migrated 500+ SENA production services from legacy CenturyLink infrastructure to Tier 3 datacenters and Azure/AWS public clouds with F5 load balancers, Check Point firewalls and zero downtime.
  • Automated network device configuration and Linux diagnostics using Ansible and Python across nationwide operations.

Schlumberger

Network Connectivity Engineer

Jan 2017 – Feb 2019
  • Redesigned WAN connectivity for 50+ Texas sites from 1.5 Mbps T1/MPLS to 1 Gbps Metro Ethernet over BGP (650× faster), generating over $1M in annual savings.
  • Engineered resilient BGP, DNS and VPN connectivity across 300+ global locations and 400+ Cisco routers, switches and Palo Alto firewalls.
  • Automated 10+ bulk deployments across 400+ network devices with Python and Ansible (cutting rollouts from weeks to hours) and migrated applications to Azure and GCP with Terraform.

Parmac Inc.

IT Specialist

Feb 2016 – Dec 2016
  • Coordinated deployment of 100+ secure site-to-site VPN connections and end-to-end client server migrations to AWS and Azure cloud platforms.
  • Administered Cisco ASA, Palo Alto and Fortinet firewalls alongside Windows Server, Active Directory, Linux, DNS and DHCP infrastructure.

Cisco

Cisco TAC Support Engineer (Routing Protocols)

Jan 2014 – Feb 2016
  • Improved Cisco TAC team backlog resolution time by 30% through skill-based escalation routing and standardized troubleshooting runbooks.
  • Resolved Tier-2 enterprise escalations across BGP, EIGRP, OSPF, VPN, multicast, SD-WAN and Cisco Nexus 5000/7000 datacenter switches.

Education

Bachelor of Engineering in Electronics & Telecommunications

Autónoma del Caribe University

2009 – 2013

Focused on network engineering, telecommunications systems, routing protocols and distributed infrastructure. Prior coursework in Electronics Engineering at Universidad del Norte (2007–2009).

Projects

AI Agent Authoring & MCP Platform

Microsoft · Production

Core developer on an enterprise platform for authoring, orchestrating (Magentic manager/worker patterns) and evaluating AI support agents with custom Kusto/CSS MCP servers and OAuth 2.0 OBO benchmarks.

  • MCP
  • AI Agents
  • Python
  • Kusto / KQL
  • OAuth 2.0 OBO

LLM Distillation & QLoRA Fine-Tuning Pipeline

578-Example Corpus

End-to-end distillation pipeline capturing ~1,900 frontier LLM calls into a verified 578-example dataset to fine-tune Qwen2.5-7B-Instruct via 4-bit QLoRA (Unsloth/PEFT/TRL) with GGUF export to Ollama.

  • QLoRA
  • Unsloth
  • Hugging Face
  • Ollama / GGUF
  • Python

AWS eSIM Marketplace & Auth Platform

300% Adoption · $500K/yr

AWS-hosted Python/Flask eSIM marketplace with QR-code provisioning, multi-tenant Terraform/Kubernetes infrastructure, Jenkins CI/CD and Selenium ES2+ tests passing GSMA SAS-SM audit with zero findings.

  • AWS
  • Python & Flask
  • Kubernetes
  • Terraform
  • Jenkins

Conexión Total ($200M+) & 650× Texas WAN Redesign

500+ Migrations · $1M+/yr Saved

Co-led BGP/SD-WAN architecture across 150+ education sites with 500+ zero-downtime cloud migrations at Telefónica, and upgraded 50+ Schlumberger Texas sites from 1.5 Mbps T1 to 1 Gbps Metro Ethernet over BGP.

  • BGP & SD-WAN
  • Metro Ethernet
  • Azure & AWS
  • F5 & Check Point
  • Ansible