DMENGARELLI TI
Londrina BR
David Mengarelli

David Mengarelli

Cloud & DevOps Engineering Leader · AI Infrastructure

Senior Cloud and DevOps professional with over 20 years of experience across enterprise IT, industrial systems, and modern cloud-native architectures, with current focus on the cloud foundations that power AI / LLM workloads, secure data planes, GPU-enabled compute and observability for inference pipelines. Deep expertise in Microsoft Azure, AWS, and hybrid environments. Proven track record leading cloud migrations, implementing CI/CD pipelines, and building secure, scalable infrastructure for Fortune 500 clients across healthcare, pharmaceutical, energy, and telecommunications sectors. Specializing in Infrastructure as Code (Terraform, ARM, CloudFormation), container orchestration (Kubernetes, Docker), and DevSecOps practices. Strong background in ICS/OT cybersecurity and compliance frameworks.

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AvailabilityRemote | Available to travel
SpanishNative
EnglishFluent
PortugueseFluent
Experience

Run log

Apr 2026 – PresentCurrent

Co-founder · DevOps & Infrastructure Lead

Independent AI automation consultancy (co-founded, LATAM SMB focus)

  • Built and deployed marketing landing site (adm-consulting.vercel.app) with i18n in Spanish, Portuguese and English.
  • Authored the `ia_consulting` Python package (anthropic, boto3, pandas) with ProcessMetrics, generate_impact_report and AutomationPipeline modules.
  • Productised five AI automation playbooks: email triage, document processing, executive reporting, customer chatbot and meeting automation.
Mar 2026 – PresentCurrent

Founder · Full-stack, ML & Infrastructure Engineer

Independently-built AI/ML SaaS · image-authenticity detection

  • Designed and built end-to-end stack: React 19 + TypeScript frontend, FastAPI microservices (Gateway :8000, Detection :8001), PyTorch ML pipeline, Chrome Manifest V3 extension.
  • Engineered multi-model consensus pipeline with 5 active detectors and adaptive weighting (no single detector exceeds 40% effective weight).
  • Implemented Stripe billing (Checkout, webhooks, refunds, Pix BR, boleto, Apple/Google Pay) with geo-IP pricing ($0.10/img international, R$1,00 BRL).
Mar 2026 – PresentCurrent

DevOps & Cloud Infrastructure Consultant

SaaS technology company · Enterprise messaging

  • Full build-out and maintenance of enterprise cloud infrastructure.
  • Engineering of DevOps pipelines for a high-traffic messaging platform.
  • Cloud resource optimization and automated disaster recovery strategies.
Jan 2024 – PresentCurrent

Lead DevOps Engineer, Desktend & BasePlus

IT consulting firm

  • Principal DevOps engineer for the complete infrastructure lifecycle of multiple SaaS products serving enterprise clients.
  • AWS infrastructure with Terraform IaC: VPC, EC2 auto-scaling, RDS PostgreSQL clusters, S3.
  • CI/CD with GitHub Actions across dev / staging / prod environments.
Jan 2024 – PresentCurrent

Cloud Consultant

Independent cloud consultancy

  • Independent cloud consulting for diverse infrastructure modernisation projects.
  • Migration strategy assessments across on-premises and legacy cloud deployments.
  • Cost optimisation and reserved-capacity advisory.
Jan 2024 – PresentCurrent

Cloud Consultant

Managed services provider

  • Multi-cloud strategy for managed-services provider clients.
  • Azure FinOps assessments, cost optimisation, security posture review, right-sizing and executive reporting.
  • Hybrid connectivity solutions integrating on-prem data centres with cloud workloads.
Sep 2025 – Feb 2026

Security Operations Engineer (SecOps)

Leading tech talent company → Fortune 500 Social Media Platform

  • Owned SecOps front-door support channels (Help Portal, Slack, ticket queue), triaging engineer requests under documented SLOs.
  • Implemented Terraform infrastructure changes for AWS security resources (IAM, S3); delivered 50+ merged PRs across 5+ repositories.
  • Provisioned 20+ production S3 buckets with FGAC controls, encryption, cross-account policies, and lifecycle management.
Jan 2025 – Dec 2025

Cloud Architect, Healthcare Analytics

Software consultancy → Healthcare analytics platform

  • Designed comprehensive Azure Proof-of-Concept architecture for a healthcare analytics platform running production workloads on AWS.
  • Mapped existing AWS infrastructure to equivalent Azure services; identified optimisation opportunities.
  • Architected HIPAA-compliant solutions: Azure Private Link, encryption at rest/transit, audit logging.
Jan 2025 – Apr 2025

Site Reliability Engineer (SRE)

Boutique digital consultancy · AI & cloud → Pharmaceutical (AI & LLM workloads) & HealthTech / Telemedicine startup

  • pharmaceutical client (via global professional-services firm), engineered the AWS infrastructure underpinning the AI/LLM feedback pipeline, an AI/LLM-driven pipeline for patient and HCP feedback at pharmaceutical scale.
  • HealthTech / Telemedicine startup (direct), designed and built the end-to-end cloud infrastructure from scratch: VPC topology, EKS, CI/CD, observability and security baseline.
  • Built Terraform modules for standardised provisioning across multiple AWS accounts for both clients.
Dec 2023 – Dec 2024

CloudOps Engineer, Enterprise Communications

Global IT services provider → Enterprise unified-communications platform

  • Cloud operations for enterprise unified-communications platform's enterprise unified-communications platform serving thousands of global customers.
  • Provisioned and configured customer accounts in multi-tenant cloud with strict isolation.
  • Complex system upgrades with zero-downtime deployments and post-upgrade validation.
Mar 2022 – Nov 2023

Sr. DevOps Engineer, Cloud Migrations & AVD

Technology consulting firm · Secure cloud migrations → Caribbean telecommunications group

  • Led enterprise Azure migration across Jamaica, Trinidad, Panama, El Salvador, Guyana and Haiti, 200+ VMs, 23,000+ project artifacts managed.
  • Azure landing zones following CAF best practices: hub-spoke topology, Azure Firewall, ExpressRoute, S2S VPN.
  • AVD automation for a financial-services client with PowerShell, Azure Automation runbooks and Power Automate self-service workflows.
Jan 2020 – Feb 2022

Sr. DevOps Engineer / Cloud Architect

Multinational software development company

  • Multi-cloud and hybrid deployment initiatives for enterprise clients in financial services and retail.
  • Led CI/CD platform migration from legacy Jenkins to CloudBees CI, 100+ MultiBranch pipelines migrated with zero downtime.
  • AWS build infrastructure: EC2 auto-scaling agents (Amazon Linux 2, Rocky Linux 9), EKS clusters, Docker Compose CI stacks.
Jul 2019 – Jan 2020

Senior Consultant / Architect

Backup-as-a-Service provider

  • Design and implementation of Backup-as-a-Service (BaaS) for hybrid and multi-cloud.
  • Enterprise data-protection strategies and disaster-recovery plans.
Feb 2018 – Dec 2019

ICS Cybersecurity Specialist

Multinational conglomerate · OT cybersecurity

  • Cybersecurity solutions for Industrial Control Systems across energy and manufacturing.
  • Security assessments of SCADA/HMI systems; vulnerabilities in OPC, MODBUS and proprietary protocols.
  • IT/OT network segmentation following IEC 62443 standards; intrusion-detection and monitoring for industrial networks.
Feb 2018 – Jul 2019

Cloud & Virtualization Architect

Cloud & virtualization consulting firm

  • Architecture of enterprise-grade VDI environments (Citrix / VMware) for banking and pharma.
  • Management of large-scale virtualization platforms supporting 500+ concurrent sessions.
Feb 2015 – Jan 2018

Cloud Infrastructure Manager / PowerShell Automation Developer

Multinational software development company

  • Cloud infrastructure and automation supporting 500+ developers across multiple projects.
  • PowerShell automation framework for Windows provisioning, configuration and maintenance across 200+ nodes, deployments cut from days to hours.
  • Python (Boto3) for AWS resource management and cost-optimisation reporting; DHCP/DNS/AD automation and Tintri storage API integration.
Feb 2009 – Jan 2015

Technical Specialist, HMI/SCADA Systems Infrastructure, IT Department

Major energy generation company · Thermal power

  • Management of critical IT infrastructure for a thermal generation plant, ensuring 99.9% uptime.
  • Administration of heterogeneous server environments: Windows Server, Red Hat Linux, HP-UX and macOS.
  • Design of industrial networks with Cisco and MikroTik equipment under strict perimeter security controls.
Jan 2008 – Jan 2009

IT Manager, Logistics & Technical Service

Wholesale IT provider

  • Management of logistics, technical support and wholesale IT operations.
  • Expedition, logistics and technical service for an IT wholesaler.
Jan 2006 – Jan 2008

Security Systems Technician / Installer, Computing & Multimedia

Computing & multimedia store

  • Installation of security and surveillance systems.
  • Technical assistance in engineering projects.
  • 3D computing and multimedia engineering projects.
Education

Formal training

Systems Information EngineerU.C.E.L (Universidad del Centro Educativo Latinoamericano), RosarioCompleted
Computer Systems AnalystEscuela Superior de Comercio N° 2 (Retail Trade School No. 2), RosarioCompleted
Certifications

Verifiable

Microsoft Azure
Azure Solutions Architect Expert2022/24
Azure DevOps Engineer Expert2023/24
Azure Administrator Associate2020/24
Azure Network Engineer Associate2022/24
Azure Security Engineer Associate2023/24
Azure Virtual Desktop Specialty2024
Amazon Web Services
AWS SysOps Administrator Associate2017
Networking
Cisco CCENT2018
Cisco CCNA Routing & Switching2018
Other
ITIL Fundamentals2015
Puppet Configuration Management (OpenWebinars)2016
Web Servers Configuration (Apache/Nginx) (OpenWebinars)2016
Microsoft Windows Deployment Server (major energy generation company Argentina)2012
DCS Structured Cabling (Proydesa / Furukawa, TIA/EIA)2012
Advanced Network Management on Linux (NASA Comp.)2007
Contact

Tell me what cannot go down.

The first conversation is a diagnostic, not a sales pitch. Thirty minutes, no charge. If I am not the right person for your problem, I will say so on the same call.

Emaildavid.mengarelli@outlook.comLinkedIn/in/david-mengarelliGitHub/dmengarelli2023Book a callCalendly
DMENGARELLI TI · Londrina, Paraná, BrazilDavid Mengarelli · 20 years in critical infrastructurePrivacy