Oracle ERP & Data Architecture IT Manager

Ederson Marana

São Paulo, Brazil +55-11-973**-**** *************@*******.*** in/ederson-marana

Bilingual English-Portuguese professional with over 19 years of extensive experience in Oracle technologies, ERP development, and data architecture. My deep technical expertise in PL/SQL, Oracle E-Business Suite, data integration, and system migration empowers me to deliver innovative, scalable solutions that enhance performance and uphold data integrity across complex environments. I excel in leading cross-functional teams, mentoring professionals, and collaborating with global stakeholders to drive strategic initiatives. With a strong blend of technical acumen and leadership skills, I am committed to fostering excellence and achieving impactful results. PROFESSIONAL EXPERIENCE

TIS (Technical Consulting Company) Luanda, Angola IT Manager, Database 01/2026 – Present

• Supervising migrations and monitoring Oracle Exadata in production and disaster recovery environments, ensuring the availability and stability of mission-critical databases.

• Leading a team of 3 DBA consultants, overseeing the installation, configuration, and upgrades of Oracle databases in Exadata environments. Ensuring performance optimization, backup policies, and disaster recovery by applying best practices to develop migration workflows and communication between legacy systems and target systems.

• Supporting the commercial department in participating in strategic proposals for the company with on-premise and cloud database implementations for new clients.

TIS (Technical Consulting Company) Luanda, Angola IT Manager, Middleware and Database 11/2022 – 12/2025

• Deploy Oracle APEX dashboards for Angola’s Tax Management Project, improving revenue forecasting and financial planning.

• Engineer BI and data integration solutions with Oracle ODI, BI Publisher, and OBIEE, ensuring data quality for strategic decision-making across systems.

• Contribute to the ISO 9001:2015 certification by mapping processes, defining SLAs, and identifying risks, achieving full compliance with zero nonconformities.

• Supervise Oracle Exadata migrations and monitoring in production and disaster recovery sites, guaranteeing availability and stability of mission-critical databases.

• Restructured a 22-member tech team into specialized groups (Database, Middleware, Monitoring, BI), boosting efficiency and speeding up issue resolution.

Data Administration Consultant 01/2020 – 11/2022

• Standardized data extraction processes from Oracle PSRM, ensuring faster access to clean, reliable information for over 40 tax offices across the Ministry of Finance.

• Created automated reports with Oracle BI Publisher and OBIEE to help tax offices track taxpayers and revenue, improving transparency and decision-making.

• Optimized SQL queries in Oracle databases to remove duplicate records, enhancing data accuracy and speeding up tax collection processes.

• Implemented a reporting framework with reusable and filterable reports, reducing redundancy and providing a consolidated view of tax data.

Odebrecht Engenharia e Construcao (Engineering Company) Brazil Data Migration Architect 12/2017 – 09/2019

• Implemented an end-to-end data migration architecture from legacy ERPs to SAP S/4HANA, standardizing master and transactional data to ensure alignment with security protocols.

• Optimized Oracle E-Business Suite ERP reports by standardizing procedures and fine-tuning SQL queries, reducing system resource use.

• Improved report execution speed by an average of 80% across over 40 financial and operational reports, enabling faster data validation.

• Enhanced ERP reporting framework for multi-currency and multilingual outputs, providing timely insights for global operations and period-end closing.

• Led a team of 3 to develop migration workflows and communication between legacy and target systems. Oracle EBS Technical Lead 08/2011 – 12/2017

• Collaborated with system analysts to identify and extract financial data from Oracle SQL databases, enabling accurate preparation of audit-required reports.

• Led data extraction and transformation from Oracle ERP for migration into SAP, enabling the successful transition to SAP.

• Recovered master and transactional data for ERP migration, ensuring data integrity for future migrations.

• Standardized data retrieval methods to streamline the audit process, reduce inconsistencies, and enhance financial integrity.

• Supervised a team of 4 developers supporting Oracle EBS GL and FA modules, resolving incidents, bugs, and service requests to ensure system stability.

ERP Developer, Oracle 07/2009 – 07/2011

• Customized integrations for the Oracle EBS GL module, enabling legacy systems to post accounting entries seamlessly and ensuring timely monthly financial closings.

• Configured import rules for multiple legacy systems, ensuring accurate integration and consistency of financial records within the Oracle E-Business Suite.

• Streamlined month-end closing processes by improving automation, minimizing human errors, accelerating reporting, and increasing overall accounting efficiency.

• Designed and delivered database procedures, reports, and module configurations, improving system reliability and user satisfaction.

Rezende Barbosa Administracao e Participacoes (Financial Holding) Brazil ERP Developer, Orcale EBS 09/2006 – 06/2009

• Developed and maintained over 15 Oracle EBS reports and 10 system forms, enhancing daily operational efficiency and data accuracy.

• Implemented SQL/PLSQL procedures and database triggers, moving audit calculations to the database layer, to improve performance for financial reporting.

• Customized Oracle EBS workflows to automate business processes, reducing manual intervention and accelerating approval cycles.

EDUCATION

• BS in Computer Science 2007 - Fundacao Educacional do Municipio de Assis, Brazil CERTIFICATES

• Oracle WebLogic Administration 2024 – NobleProg

• Oracle Private Cloud PCA/PCC 2021 Solution Engineer Specialist 2022 - Oracle Partner Academy SKILLS

• Data Management and Architecture

• Data ETL

• System Integration & ERP Reporting

• SAP Data Services and Migration

• Business Intelligence & Reporting Tools

• Advanced Excel

• Compliance, Security & Risk Management

• Analytical Thinking

• Oracle E-Business Suite, WebLogic

• ODI (Oracle Data Integrator)

• BI-Publisher / XML Publisher

• SQL / PL/SQL, Oracle Apex and

• Forms Personalization

• Oracle Workflow

• SAP S/4HANA

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