João Victor de Lamare Fonseca
AppsDBA | Cloud & Infrastructure Architect | TechLead
RESUME
25+ years of large experience in IT Architecture and Infrastructure: Huge skills in
Cloud/FinOps/Monitoring, Oracle ERP Implementation/Support, Databases and System Integration.
Strong Knowledge in Design, Project Management and Contracts/Vendor Management
WORK EXPERIENCE
Atmus Filtration Technologies - AppsDBA •
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Since October 2025
EBS R12.2 Patching/Cloning/Sysadmin
Automation scripts development - CPUPatch / Monitoring
OCI/AWS Databases Support
Appworx Support
InventCloud – Cloud Architect & AppsDBA Tech Lead •
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DBA Tech Lead (Oracle, SQLServer, MySQL, Postgres, MongoDB…)
24x7 Clients Database, OCI and AppsDBA Support
Migrations and Upgrade Projects – Exadata, DB’s, Middleware and Move 2 Cloud
Pre-Sales Architect
InventCloud – Head of Projects -
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Jun 2023 – Jan 2024
Head of Project Department and Architect:
✓ Tech Support in Oracle / AWS Projects (Move 2 Cloud, EBS & DB Migration, DR)
✓ +30 ongoing projects with 35 Professionals
✓ Cost/Time Management / Team otilization to reduce overtime
✓ Technical Follow up, RFP’s and Comercial Proposals QA
InventCloud – Oracle Tech Lead -
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Jan 2022 to May 2023
Projects:
✓ Icatu Bank Azure to AWS Migration
✓ Safra Bank, Atacadão, Athena – Move to Cloud, DB and OKE Migration
✓ Editora Abril – Solaris backup for Oracle EBS environments / Supercluster Moving
✓ Carrefour, Fiserv – Move Exadata to OCI ExaCS & Database Upgrade
✓ Cleartech – Exadata X8 -> X9 Migration
Pre-Sales Support and Proposal QA
Dufry - IT Infrastructure Head LATAM -
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Feb 2024 to Sep 2025
May 2019 to Dec 2021
IT Manager and Architect reporting to Global Infrastructure Head and LATAM CIO
Some Transformation Projects:
✓ Cloud Design and Implementation – Local DC migration to AWS
✓ Observability - PRTG, Zabbix, Python, New Relic, Grafana and Shell Scripting
✓ Data links migration from MPLS to SDWAN
✓ Integration between SAP and ISV's with Apache Camel and Kibana Dashboard
✓ Contracts & Vendor Management - 40% annual saving by renewing technologies
✓ Global Datacenter Migration from IBM to Azure
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Infrastructure Operation:
✓ IS Support - Cloud, Network, Virtualization, ERP Oracle, Middleware, DB’s, Collaboration
and Store POS
✓ Cloud FinOps, Forecast and Capex/Opex Management
✓ IT Security - PCI, LGPD, Access Control, Endpoints, SIEM, Zero Trust
✓ Outsourcing Management - L1, L2, L3, NOC and Service Desk
✓ IT Asset Management - Lifecycle, monitoring and Stock Management
✓ ITIL Management in ServiceNow integrated with MS Teams
✓ Troubleshooting and Performance improvement
Dufry - Global IT ERP Architect -
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Jul 2017 to Apr 2019
IT ERP Architect reporting to Global ERP Head at HQ - Switzerland
Architecture Design & Integration Definition, and Approval Processes creation
Release and Automated deployment implementation using GitHub
Forecast, Opex/Capex control and Application & Maintenance Vendor Management
GDPR/LGPD implementation in Oracle ERP
Dufry - Oracle Architect & AppsDBA Manager -
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Oracle Retail, EBS, UC4 and Oracle, SQL Server and MySQL DB Support/Stabilization
Middleware Support (Weblogic, Websphere, JBOSS, Glassfish) and Legacy Systems
Real-Time Monitoring Implementation with New Relic, OEM, Python, Zabbix and Shell
BHG - Oracle Architect & AppsDBA •
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Feb 2015 to Jul 2017
Sep 2013 to Apr 2015
Oracle EBS, iAS, ODI, BPEL, RAC Cluster, Oracle/SQL Server and MySQL Databases Support and Monitoring Implementation
Main Projects:
✓ DataCenter Migration from UOLDiveo SP to Equinix-RJ
✓ EBS Migration from Oracle On-Demand to On-Premise
✓ Oracle Database Appliance (ODA) & Red Hat Cluster Implementation
✓ Real-time Monitoring with OEM, Shell scripting, Python, Nagios and Zabbix
✓ Gesplan / Mastersaf / Amadeus Front End integration with ERP
✓ Environment and Integration Design of Totvs Front End Project
Accenture - Associate Manager – AppsDBA Tech Lead –
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Nov 2009 to Sep 2013
Oracle Architect responsible for Infrastructure, ERP, Assessment and Due-Diligence
Dufry, CVC, Odebrecht, Oi, Mapfre Nextel, Walmart, Repsol, Vale and TIM Projects
✓ Infrastructure QA
✓ Project Instances Management – AWS Cloud
✓ Environment Roadmap and ISV's Integration Design
✓ Oracle EBS and Databases Support
Accenture - Consultant - AppsDBA Tech Lead •
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Jul 2009 to Nov 2009
Apps DBA Team Leader responsible for Assessments and Outsourcing Projects
Petrobrás Distribuidora, Liquigás, White Martins and Novartis:
✓ EDIHB Datacenter Migration to CEMPES
✓ CRM Focus Project - EBS Migration from HP PA-RISC to IBM Power 7 System
✓ Storage Migration Project: +100 Oracle Instances on-the-fly
✓ 24x7 EBS, Middleware, JDE, Peoplesoft, Oracle, SQLServer, DB2 Support and ISV's
Integration
✓ Real-Time monitoring - CA Introscope, Python, Shell, OEM and Nagios for ERP
DBA - AppsDBA Oracle •
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Nov 2004 to May 2009
Oracle EBS, Oracle Application Server, Weblogic, Oracle Application Server, Collaboration
Suite, iAS and DB Rollouts and Implementations
✓ Sysadmin, Patching, Cloning
✓ Monitoring with Scripts + Nagios/Zabbix
✓ RedHat Environment Sizing
✓ MS AD Integration with OID + Single Sign-on / Payroll Integration with EBS
Oracle & Red Hat Certified Instructor - Official Training Center
ISO9001 Certificated Auditor
CBF - IT Infrastructure Analyst -
Jan 2002 to Jan 2004
Microsoft - Sales & Instructor Associate -
Jul 1996 to Apr 1997
CERTIFICATIONS:
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Oracle Cloud Database Services 2025 Certified Professional
OCI Foundations 2021 Associate
RHCSA - Red Hat Certified System Administrator
Oracle 10g Certified Associate
11i10 Oracle E-Business Suite HRMS Sales Champion / Financials Sales Champion
OFICIAL SPECIALIZATION COURSES:
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Oracle WebLogic Server 11g / Oracle BPM 11g
RH300 - Red Hat RHCE Rapid Track
RH133 - Red Hat Linux System Administrator
RH253 - Red Hat Linux Network Services
Oracle 11i - Applications System Administrator Fundamentals
Oracle 11i - Install, Patch And Maintain Oracle Applications
Oracle 10g - Administration Workshop
Oracle Application Server 10g
Oracle 9i – Sql Fundamentals / Database Fundamentals
SPECIALIZATION COURSES:
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Leader Window - Build High Performing Teams / Accenture Project Management School
PMI – Project Management
GRADUATION & HIGH SCHOOL
Computing Eletrical Engineering - Universidade Estácio de Sá
Colégio Padre Antonio Vieira
LANGUAGES
English:
Spanish:
French:
Native
Intermediate
Basic
