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Oracle ACE Director Alumni International speaker, instructor & professor

Matheus Boesing

Lead Data Platform & Database Engineer. Reliability and cloud modernization for mission-critical data systems.

Senior database and platform engineering leader with 17+ years in mission-critical data systems, global consulting and technical team management. Currently Database Manager at Neogrid, overseeing multitechnology database operations across Microsoft SQL Server, MySQL, PostgreSQL, Oracle and other enterprise platforms. Proven strength in estate assessment, reliability engineering, migration and upgrade planning, capacity and performance troubleshooting, HA/DR, cloud modernization and cross-team standards. A trusted escalation authority for business-critical platforms, university professor and active mentor to senior engineers.

17+years in mission-critical data systems
1,500+production databases supported
60+organizations served worldwide
500+production upgrades & migrations
30+countries reached as a conference speaker

Experience2009 to present

  1. Database Manager

    Mar 2026 - Present

    Neogrid, remote, Brazil

    • Lead the multitechnology DBA function, coordinating platform reliability, production operations, database lifecycle priorities and modernization across SQL Server, MySQL, PostgreSQL and other enterprise engines.
    • Approximately 2k databases totalizing over 500 TB of data under management.

  2. Head of Platform Engineering

    Oct 2024 - Mar 2026

    Aggrandize, remote, Brazil

    • Led platform engineering teams and modernization initiatives, helping organizations evolve traditional infrastructure into cloud-enabled, data-centric technology platforms.
    • Aligned architectural direction, reliability, operational processes and engineering delivery with client and business priorities.

  3. Oracle Reliability Manager / Lead Database Consultant

    Sep 2016 - Sep 2024

    The Pythian Group, global remote, 8 years. Global leader in mission-critical, high-availability, secure data infrastructure consulting.

    • Oracle Reliability Manager 2022 - 2024
    • Lead Database Consultant 2018 - 2022
    • Senior Oracle Database Consultant 2016 - 2018
    • Served as a senior technical authority and escalation lead for globally distributed engineers and enterprise customers operating business-critical database fleets.
    • Led or supported complex production migrations, upgrades, SQL performance investigations, high-availability designs, disaster-recovery planning and critical-incident troubleshooting.
    • Mentored senior engineers across regions and partnered with infrastructure and application teams to improve reliability and production operating practices.

  4. Independent Database Consultant, escalation level

    2016 - Present

    Escalation-level consulting, high-availability architecture and database modernization support for banking, education, logistics and software organizations in the US and Brazil: cross-platform troubleshooting, upgrades and operational guidance.

    -- escalation-level engagements, run in parallel

    ClientWherePeriodLength
    Innive IncUSAOct 2018 - Jan 20245+ yrs
    LAUSD, Los Angeles Unified School DistrictUSAJan 2019 - Jan 20245 yrs
    SmartBankBrazilJul 2018 - Jun 20246 yrs
    Digi+ BankBrazilJul 2018 - Aug 20235 yrs
    FedEx Brazil / TNTBrazilJan 2018 - Nov 201810 mos
    Neogrid SoftwareBrazilMar 2016 - Dec 20171.5 yrs
    Other clients in BrazilBrazil2016 - Presentongoing

  5. Professor & Technical Instructor (concurrent)

    2019 - Present

    SETREM and TargetTrust, Brazil

    • Teach undergraduate, postgraduate and professional courses in databases, cloud platforms, data engineering, business intelligence and platform architecture; Oracle Database instructor since 2018.
    • Past engagements as Oracle Instructor at Oracle Academy and professor at PUCRS.

  6. Oracle Database Administrator / Development DBA

    Dec 2009 - Mar 2016

    Sicredi Confederation (banking), Porto Alegre, Brazil

    • Operated mission-critical banking Oracle databases (10g, 11g and 12c) across Unix infrastructure, with accountability for patching, backup routines, troubleshooting and business continuity / disaster recovery.
    • Implemented a one-click 10 TB database clone, cluster and tier consolidation, automated operational tasks and DBaaS capabilities.
    • Teamwork Award, 2015.

Capabilitieswhat I get called for

Relational database platforms

Oracle Database specialist (dozens of certifications): RAC, ASM, Data Guard, GoldenGate, Exadata X4 to X11M, Enterprise Manager and Autonomous Database. Microsoft SQL Server (enterprise estate oversight, MTA certified), MySQL, PostgreSQL, AWS Aurora and RDS exposure; Snowflake, Databricks and GaussDB platform exposure.

Operational ownership

Enterprise database inventories, platform assessments, DBA team leadership, production incident escalation, lifecycle and patch planning, backup and recovery (RMAN with Rubrik, IBM TSM/TDPO, EMC DDBoost, HP Data Protector and NetBackup), service resilience, risk and capacity management.

High availability & performance

Failover and disaster-recovery strategies, database replication, clustering, SQL execution plans and optimizer behavior, systematic diagnostics with AWR, ASH, ADDM and wait events, bottleneck investigation across database, OS, I/O and cluster layers; Oracle RAC, ASM, Data Guard and MAA; multinode metropolitan clusters on AIX and RHEL.

Cloud, OS & delivery

Cloud modernization, OCI, AWS database services, Windows Server infrastructure operations, Linux and Unix (RHEL/OEL, IBM AIX, Solaris), Terraform, Ansible, Kubernetes, Liquibase and CI/CD.

Data engineering & governance

SQL and PL/SQL, data integration (GoldenGate, ODI, APIs), data warehouse and BI concepts, security and auditing (data masking, fine-grained auditing, Virtual Private Database), data architecture and governance; ITIL, COBIT and ISO/IEC 20000/27002 foundations; AI-assisted technical prototyping with Claude.

Certifications25 in total

Oracle AI Vector Search ProfessionalOCP, 2025 OCI SecurityOCS, 2021 OCI Cloud OperationsOCS, 2021 Autonomous Database CloudOCS, 2019

Oracle Certified Expert

  • Database 12c: Maximum Availability
  • Database 12c: Performance Management and Tuning
  • Database 12c: Data Guard Administrator
  • Database 12c: RAC Infrastructure Administrator
  • Database 12c: Grid Infrastructure Administrator
  • Database SQL Certified Expert
  • Database 11g: Performance Tuning
Professional & Specialist certifications
  • [OCP] Oracle Database 12c Administrator Certified Professional
  • [OCS] Oracle Enterprise Manager 12c Certified Implementation Specialist
  • [OCS] Oracle Real Application Clusters 11g Certified Implementation Specialist
  • [OCS] Oracle Database 11g Certified Implementation Specialist
  • [OCP] Oracle Database 11g Administrator Certified Professional
  • [OCA] Oracle Database 11g Administrator Certified Associate
  • [MTA] Microsoft Technology Associate: SQL Server
Governance, cloud & service management
  • EXIN Certified Integrator Secure Cloud Services
  • EXIN Cloud Computing Foundation
  • ITIL Foundation Certificate in IT Service Management
  • COBIT 4.1 Foundation for IT Services
  • ISO/IEC 20000: IT Service Management Foundation
  • ISO/IEC 27002: Information Security Foundation
  • EXIN Certified Green IT Citizen

Community & teachingsince 2018

  • Oracle ACE Director Alumni: recognized expert in Oracle RAC, ASM, Data Guard and Maximum Availability Architectures, actively contributing to the Oracle community worldwide.
  • Speaker: technical presentations and keynotes at major international conferences in 30+ countries, sharing real-world experience in databases, cloud platforms, performance and high availability.
  • Writer: founder and editor of GrepOra and author of 500+ technical articles on Oracle performance and reliability.
  • Professor & instructor: university professor at Computer Engineering undergraduate and postgraduate programs; technical instructor at Oracle Academy, SETREM and TargetTrust in databases, data engineering, business intelligence and platform architecture.
  • Mentor: active mentor to senior engineers, connecting production engineering experience with practical learning, professional development and knowledge sharing across the global technical community.

Education & languages

  • 2025MBA, Business Technology: AI, Data Science & Big DataPUCRS
  • 2025MS, Data Science & Artificial IntelligenceUNOPAR
  • 2025Graduate Studies, Data Architecture & GovernanceUNOPAR
  • 2025MBA, Corporate Board MemberBoard Academy
  • 2024Postgraduate Specialization, Database AdministrationUNOPAR
  • 2017BSc, Computer SciencePUCRS
  • 2008Computer TechnicianSETREM

Languages: Portuguese (native), English (fluent), Spanish (fluent).