Mauro Marcal

Solutions Architect Cloud AWS | Senior Software Engineer | DBA - Responsible for the design and architecture of AWS solutions, cost analysis and optimization, implementation of security practices, performance and scalability optimization, data and database management, Implementation and Integration of AWS Services, DevOps and CI/CD support, Incident monitoring and management, consulting and training for teams, preparation of documentation and reports, disaster recovery planning. - Optimization, performance, reliability and cost-benefit, configurations and scaling of AWS services. - Security and compliance with best security practices and regulatory requirements. - RDS Database Performance Tuning troubleshooting. - Support as AWS Architect and DBA to the project Squads and production support teams. - Responsible for strategy & Planning IT services activities through the preparation of KPIs, OKRs dashboards for the CTO. - Technology stack: Cloud Platforms: AWS Compute: EC2, S3, Lambda SO: Linux, Windows Server, Docker with Portainer APIs and Integration: Rest API, WEBHOOK Databases: RDS PostgreSQL, RDS SQLSERVER Languages: Java, Node.js, Hibernate, Frontend Angular Development and Deployment: DevOps, CI/CD, Jenkins Monitoring and Logging: AWS CloudWatch e Datadog Observability Version Control: Git, GitHub Architecture Design and Modeling: Drawio, Microsoft Visio Collaboration and Project Management: Trello, Github, MS Project, DISCORD IT Service Management – Octadesk

Responsible for implementing various solutions for different business areas, capital projects EPC (Engineering, Procurement and Construction), AWP construction planning and CapEx material management, SAP-ECC, Commissioning of large works using advanced engineering tools SmartPlant Construction , Smart Materials, Smartplant Enterprise Suite and Autodesk Construction Cloud BIM360, HMSWEB and Solutions for mining and mineral exploration PEER WEB and Advanced Analytics, Project IA Data Science and machine Learning. -Responsible for coordinating and implementing the Roadmap for technology solutions projects, from 2011 to 2022 there were 91 deliveries of rollouts and foundation projects, using Waterfall and Agile methodologies). -Responsible for leading and managing technology and innovation projects, BID, contracts, service specifications, and technology architecture design; -Responsible for Integration with stakeholders, collect and prioritize feedback from customers, partners and other interested parties, communicate the product vision and status update, point of contact for product-related issues and monitor performance and KPI metrics and implement backlog improvements. -Technology Product Manager responsible for leading the complete life cycle of technological products under my responsibility from conception to launch and support. -Responsible for implementing the PEERWeb Project of the mineral exploration and research department (Cloud Azure, SQL DB, .Net Core framework, angular, reach, powerBi, SAP-ECC Integrations. -Responsible for analyzing requirements, planning and implementing the Advanced Analyticals Conveyor Belts project (Failure prediction) and the project optimizing the stock yard and shipping products from the Carajás mine, using Data Science (Machine learning) tools to build supervised models, with datalake from various Osisoft PIMs sources.

Oracle functional ERP specialist consultant – until December/2009 Main attributions/activities performed: - Allocated at the Vale client, in the role of production leader of the functional front of control (GL, PAC_, FA) and Budget (PA), being responsible for controlling changes in the environments of the production trail, approval and development, validation of requirements of projects and improvements. - Management of all incidents called 2nd level with outsourcers Oracle AMS and OHS, EDS and Braxis, as well as the approval of track changes, functional support activity in the modules of the functional front of control. - IT technical responsible for the monthly accounting closing of GL, PAC, FA, Property Manager and interfaces. Technology Project Manager - Until January/2010 Main attributions/activities performed: - Technology project consultant; Allocated in the Capital Capex Project Innovation area; - Elaboration of planning, Business Case project SIGP Planning and CapEx management integrating Oracle ERP solutions, One Vale Capex(SAP), - Analysis of business requirements, process validation with Intergraph's EPC solution, Sisgraph software SmartPlan enterprise Suite and Primavera PM and Contract Manager. - Oracle and SAP ERP process analysis, Business requirements survey for CapEx project planning and management area.

Main attributions/activities performed: Hired as an Oracle ERP Consultant, being responsible for the Oracle production environments (Oracle eBusiness Suite and the CRM Remedy Action Request System), and the environments for the approval and development trail of the Oracle e-Business suite, my main activities are: - Administer and ensure good performance of the Oracle Database - Manage and ensure good performance of Oracle eBusiness Suite. - Identify and solve problems in the production environment based on open tickets. - Environment Cloning activities, Application of patches, BR100 setups, validation of functional and technical documents. - Planning the Oracle eBusiness Suite version upgrade. - Support the development team and consultants in OEBS PA, PO, isourcing, iproc, isupplier, RI, AP, INV, OM, AR, GL, PAC modules. - Responsible for managing changes in production and approval environments, analyzing the functional requirements of the modules involved. - Installation of ERP 11.5.10.2 Demovision environment and configuration of NLS and SPED patches for version migration project. - Installation and customization of Oracle Application Server 10g, for Rhevolution version. - Technical Responsible for the OEBS 11.5.10 Migration project. - Responsible for Database Administration, Database Performance Tuning, Database Security, Process Improvement, Problem Solving, Presenting Technical Information, Database Management, Data Maintenance, Operating Systems, Information Security Policies e Application Web Server management.

Technology Project Manager Implementation manager of the Oracle OEBS expansion III project in Rio de Janeiro, responsible for the implementation, coordination of the project and consulting activities for the Oracle ERP eBusiness Suite 11.5.9 project, validation of requirements, enabling the current version to control large EPC engineering projects integrating the areas of engineering and planning, contracts, measurement, purchases, supplies, budget and cost, and in the migration from ERP Datasul to Oracle OEBS. Main attributions/activities performed: - Responsible for the technical, functional, operational and financial management of the project. - Implementation of the project with Oracle's AIM methodology. - PA, PO, Isourcing, I-proc, i-supplier, workflow, RI, AP, INV and GL modules. - Customizing contract measurements, creating a new inventory organization and projected cash flow. - Responsible and executor of the Unit test and test acceptance together with the key users. - Interfaces with Primavera software - Syncro and Ecomex tax book interfaces

Oracle ERP DBA ATG Expert Consultant Main attributions/activities performed: - Responsible for Oracle eBusiness Suite DBA/ATG activities, Oracle Application Server Administrator and also as Functional Analyst for AP, PO, INV, OE, Quality, RI, CMM, Bill of Material modules, and other systems such as payroll from Techware Revolution and Mastersaf. - Functional support for users, assisted operation and technical support for the application of Oracle OEBS ERP, - Responsible in production for the change management control activities of Oracle ERP, Rhevolution, Mastersaf and Sispro. - Responsible for Database Administration, Database Performance Tuning, Database Security, Process Improvement, Problem Solving, Presenting Technical Information, Database Management, Data Maintenance, Operating Systems, Information Security Policies e Application Web Server management.

Oracle DBA Consultant Main attributions/activities performed: - Support the development team in VB/Oracle/PL-SQL, Unix Aix, Erwin and in the integration of environments, for products aimed at the sales force of the corporate market Vips (Vipline, Vipnet, Vipphone), 0800, Diginet, Infosat, Primelink and Blflex, Business Security.

Technology Project Manager Main attributions/activities performed: - Responsible for the internal infrastructure of the Datacenter and support for Infra activities for Clients in Brazil and abroad; - Management of Budget, Resourses, Tasks, Work Abord, OnGoing Support in Brazil and abroad using the Project tool with resource shared. - Implementation of the development infrastructure for new customizations of Billing software in Brazil for the North American operator VCI Verizon (Dallas, Puerto Rico, Dominican Republic and Venezuela). - Elaboration of technical proposals requested by Marketing through RFP, RFI, DFD and DAD (Detail Architecture Design); - Elaboration of performance analyze reports for Billing, AR, CSM modules online, in Unix, Oracle, tuxedo environments.

Technology Business Analyst Main attributions/activities performed - CVRD Vitória- ES (1999 –2000) - Business Partner - Client Management - Management of outsourcing contracts for Infrastructure and Systems Projects, EDS and Accenture; - Requirements analysis - Control of contracts through service levels - SLA; - Consultancy in the Project of Automation Systems of the Pelletizing Plants. - Participation in IT strategic planning. - Participation in the preparation of the Intranet Pelletizing Project. CVRD São Luiz- MA (1998 –1999) - Senior DBA/AD - Responsible for managing and planning the activities of the North System Database team with Oracle, IBM DB2; - Responsible for validating data models and data repository; - Responsible for the implementation and specification of the Client Server application security system. - Systems development activities and requirements gathering. CVRD Carajás- PA (1990 –1998) - Technology Business Analyst - Coordinator of the Systems Projects area; - Coordinator of the Data Administration and Database area - Responsible for the Downsize of Carajás Site Systems for Client-Server; - Elaboration of several IT systems development projects: - Cost System - Adcst - Equipment Maintenance System – Adman - Adm. Human Resources - Adrhu - Budget Management System – Adorc - Materials Management System – Admat - Occupational Hygiene and Safety System – SGSHT - Occupational Medicine System – Medtrab - Training System – Sitre - Recruitment and Selection System – Recfor - EIS-Human Resources System - SOJA Transport Control System – Sisoja - Mobile mine equipment control system. - Analysis and Design of the SYSFOGO System Awarded by the Minérios& Minerales magazine as the best work in the area of Technology applied to Mining and Metallurgy;

Com muita alegria e gratidão, concluí minha jornada em duas formações incríveis: a Formação Data Science 4.0 e o curso de Pós-graduação Lato Sensu - Especialização em Data Scientist pela Data Science Academy em parceria com a Faculdade VINCIT. Foram 560 horas de aprendizado intensivo, completando quase 3 anos de estudos na área de Ciência de Dados.