Michael Effiom

Michael Effiom

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Oracle Database | SQL Server | Postgres |TimescaleDB | YugabyteDB| Senior DBA | Database Engineer | AWS | OCI
State of São Paulo, Brazil

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Résumé


Jobs verified_user 0% verified
  • K
    Senior Database Administrator
    Körber Supply Chain
    Apr 2021 - Current (4 years 2 months)
    • Manage databases in the cloud to support critical business supply chain applications. • Perform tuning and optimization for efficient and reliable database operations. • Maintain backup, disaster recovery and High Availability Scripts and Policy. • Collaborate with teams to create data models, database schemas, and table structures aligned with project requirements. • Monitor database performance, identify issues, and implement solutions to enhance performance. • Implement and manage data replication across multiple databases and environments. • Design and execute database migration strategies to transition data from Test to Production. • Provide technical support and troubleshooting for database-related issues, ensuring minimal downtime
  • IBM
    Senior Oracle Database Administrator
    IBM
    Apr 2019 - Apr 2021 (2 years 1 month)
    • Manage Telecom Mission Critical and Business Critical Oracle databases. • Guide support team on executing activities with documentation and discussion calls. • Maintain backup, disaster recovery, and High Availability scripts and policies. • Lead database upgrade projects to ensure smooth transitions and minimal downtime. • Follow ITIL for problem, task, and change management for database administration processes. • Provide technical support and troubleshooting for database-related issues, ensuring minimal downtime and disruption. • Administer and perform backups using RMAN in Unix (AIX/SunOS) and Linux environments. • Conduct tuning tasks for SQL statements and database structures to optimize performance. • Implement and
  • B
    Database Administrator | Database Specialist
    BLUE Soluções Inteligentes
    May 2018 - Jun 2019 (1 year 2 months)
    • Present tuning and monitoring solutions for new and potential customers. • Implement monitoring tools for availability and security metrics. • Creating prototypes and proof-of-concepts to validate technical feasibility and solution viability. • Collaborating with cross-functional teams, including developers and project managers, for alignment and successful implementation. • Review and evaluate database systems and architectures for continuous improvement, including conducting thorough code reviews to enhance SQL performance. • Build customer-focused monthly reports to show performance database and application improvements. • Improve complex TSQL and PLSQL reports. • Analyze key parameters and apply enhancements for Oracle,
  • Oi
    System Analyst
    Oi
    Jul 2016 - May 2018 (1 year 11 months)
    Sub-contracted via GlobalWeb. Investigation in the production environment and execution of corrections in small bugs/fixes. Configuration, maintenance, and monitoring of interfaces in the production environment. Implementation of procedures and scripts to assist in certain tasks. Migrate and compile codes into production, configure connectors, automators.
  • M
    System Analyst
    Máquina de Vendas
    Oct 2014 - Apr 2015 (7 months)
    Deployment, configuration and administration of Windows Server environment, administration and configuration of Zimbra Mail Servers, Firewall administration (Aker), Url Filters, VPN configurations.
  • E
    System Analyst
    Emika Imobiliaria
    Mar 2014 - Nov 2014 (9 months)
    Draw up and execute systems master plans. Development and use of information technologies. Perform maintenance on servers, plan and deploy new technologies, and support the user.
  • I
    System Analyst/ IT Coordinator
    Instituição de Ensino Charles Babbage UNIOrka
    Feb 2013 - Nov 2014 (1 year 10 months)
    Collaborate in the preparation of computer master plans and systems plans. Development and use of information technologies. Plan and maintain information systems and services. Hire and implement software developed by third parties for use in the institution; control and guide the application and use of software in the institution. Propose and execute implementation of infrastructure improvement projects and systems related to the area of ​​computerization, propose information security policies and technological management improvements. Development of applications to assist in the internal processes of the company.
  • U
    Intership Trainee
    UFMT Universidade Federal de Mato Grosso
    Mar 2012 - Mar 2013 (1 year 1 month)
    Installation, configuration and maintenance of Linux systems (Slackware, Fedora, CentOS) using VMware and VirtualBox virtualization tools. Cloning of computers through the local network using the UDP Cast tool.
Education verified_user 0% verified
  • IESB
    Master of Science, Database Systems
    IESB
    Jan 2015 - Dec 2016 (2 years)
    O curso forma especialistas capazes de analisar e modelar problemas relacionados ao Banco de Dados de empresas independentemente do seu porte. O curso é dedicado aos profissionais que desejam atuar na área de administração de Banco de Dados de grandes bases computacionais, nas empresas estatais e nas grandes empresas privadas.
  • U
    Bachelor of Science in Computer Science, Computer Technology/Computer Systems Technology
    UFMT Universidade Federal de Mato Grosso
    Jan 2009 - Dec 2014 (6 years)
    Skills: Infrastructure
Projects verified_user 0% verified
  • Á
    Ánalise, desenvolvimento e implantação de videoteca
    Jan 2014 - Current (11 years 5 months)
    Levantamento de requisitos, implementação e implantação de uma videoteca para cadastramento e exibição de video-aulas on line.
  • I
    Implantação de Ambiente Virtual de Ensino
    Nov 2013 - Feb 2014 (4 months)
    Implantação de um ambiente virtual de aprendizagem para a instituição de Ensino Charles Babbage