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DBA Oracle Pleno

Role overview

Summary

This role focuses on the administration and optimization of Oracle databases at Unisys. You will be responsible for ensuring database performance, security, and availability while collaborating with developers and infrastructure teams.

Qualifications

  • Bachelor's degree in Information Technology or related field with a minimum of 360 hours.
  • 2 to 4 years of experience in database administration.
  • Advanced SQL and PL/SQL skills including procedures, functions, and triggers.
  • Knowledge of Linux/Unix operating systems and shell scripting.
  • Preferred: Familiarity with Oracle Enterprise Manager and monitoring tools like Zabbix or Grafana.

Responsibilities

  • Administer Oracle Database including installation, configuration, and upgrades/patching.
  • Manage users, roles, profiles, and privileges within the database.
  • Perform backup, recovery, and continuity planning using RMAN and Oracle Data Guard.
  • Conduct performance tuning and optimization of SQL and PL/SQL code.

Key facts

Hard skills

Other skills

  • Problem Solving
  • Communication

About the company

Unisys logo

Unisys

  • IT Services & Consulting
  • XLarge
  • 10,001+
We are a global technology solutions company that powers breakthroughs for the world’s leading organizations. These solutions — digital workplace, cloud, applications & infrastructure, enterprise computing and business process solutions — help people overcome obstacles and not only reach their greatest potential but go beyond it. For more information about how we deliver for our clients, visit https://www.unisys.com/.

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Job description

What success looks like in this role:

Administração Oracle Database

  • Instalação, configuração e upgrade/patching (11g/12c/19c/21c/23ai)
  • Arquitetura: instância, SGA/PGA, processos de background, redo/undo, tablespaces, datafiles, control files
  • Multitenant (CDB/PDB)
  • Gerenciamento de usuários, roles, profiles e privilégios
  • Gerenciamento de storage: ASM, Oracle Managed Files
  • Criação e manutenção de objetos: tabelas, índices, particionamento, views materializadas, sequences, synonyms, DB links

2. Backup, Recovery e Continuidade

  • RMAN: backup full/incremental, políticas de retenção, catálogo, duplicate, restore/recover, PITR
  • Flashback (Query, Table, Database), Recycle Bin
  • Data Pump (expdp/impdp), Export/Import, SQL*Loader, External Tables
  • Oracle Data Guard (physical/logical standby, switchover/failover, Broker, Active Data Guard)
  • Planos de DR e testes de recuperação

3. Alta Disponibilidade

  • Oracle RAC (instalação, administração, serviços, troubleshooting)
  • Grid Infrastructure/Clusterware (srvctl, crsctl)
  • ASM e ACFS
  • Conhecimento de GoldenGate (replicação, desejável)

4. Performance Tuning

  • Análise de planos de execução (EXPLAIN PLAN, DBMS_XPLAN, SQL Monitor)
  • AWR, ASH, ADDM, Statspack
  • Estatísticas do otimizador, histogramas, SQL Plan Baselines/Profiles, SQL Tuning Advisor
  • Estratégias de indexação e particionamento
  • Tuning de memória (SGA/PGA), I/O, redo, wait events, locks e contenção
  • Hints e reescrita de queries

5. Segurança

  • Auditoria (Unified Auditing)
  • TDE (criptografia), Data Redaction, Database Vault (desejável)
  • Hardening, gestão de senhas e privilégios mínimos
  • Network encryption, listeners, TNS, SSL
  • Conformidade (LGPD, SOX, PCI quando aplicável)

6. SQL e PL/SQL

  • SQL avançado (analytic functions, CTEs, hierarchical queries)
  • PL/SQL: procedures, functions, packages, triggers, collections, bulk operations, tratamento de exceções
  • Revisão e otimização de código de desenvolvedores
  • Jobs e scheduling (DBMS_SCHEDULER)

7. Sistema Operacional e Infraestrutura

  • Linux/Unix (Red Hat/Oracle Linux), shell script (bash)
  • Conceitos de rede, storage (SAN/NAS), virtualização
  • Parâmetros de kernel, HugePages, gerenciamento de recursos
  • Python/Ansible para automação (diferencial)

8. Monitoramento e Operação

  • Oracle Enterprise Manager (OEM/Cloud Control)
  • Monitoramento de alertas, logs (alert log, trace), ADR/ADRCI
  • Ferramentas: Zabbix, Nagios, Grafana, Datadog (diferencial)
  • Gestão de capacidade e planejamento de crescimento
  • Suporte a incidentes, uso do My Oracle Support (SRs)

9. Cloud e Modernização (diferencial)

  • OCI (Autonomous DB, DBCS, Exadata Cloud Service), AWS RDS for Oracle, Azure
  • Migrações: on-premises → cloud, cross-platform, upgrades com mínimo downtime
  • Exadata (Smart Scan, HCC, Flash Cache)
  • Noções de PostgreSQL/MySQL e migração heterogênea

10. Processos e ITIL

  • Gestão de mudanças, incidentes e problemas (ITIL)
  • Documentação técnica e runbooks
  • Plantões e atuação em janelas de manutenção
  • Versionamento (Git) e DevOps/CI-CD para banco

11. Habilidades Comportamentais

  • Autonomia na resolução de problemas e priorização
  • Comunicação clara com desenvolvedores, infraestrutura e negócio

You will be successful in this role if you have:

Graduação em curso de nível superior na área de Tecnologia da Informação de, no mínimo, 360 horas.

Graduação em qualquer curso de nível superior acompanhado e Pós-graduação (especialização, mestrado ou doutorado) na área de Tecnologia da Informação de, no mínimo, 360 horas.

Experiencia: 2 a 4 anos.

Unisys is proud to be an equal opportunity employer that considers all qualified applicants without regard to age, caste, citizenship, color, disability, family medical history, family status, ethnicity, gender, gender expression, gender identity, genetic information, marital status, national origin, parental status, pregnancy, race, religion, sex, sexual orientation, transgender status, veteran status or any other category protected by law.

This commitment includes our efforts to provide for all those who seek to express interest in employment the opportunity to participate without barriers. If you are a US job seeker unable to review the job opportunities herein, or cannot otherwise complete your expression of interest, without additional assistance and would like to discuss a request for reasonable accommodation, please contact our Global Recruiting organization at GlobalRecruiting@unisys.com or alternatively Toll Free: 888-560-1782 (Prompt 4).  US job seekers can find more information about Unisys’  EEO commitment here.

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