AGGRANDIZE

DBA – Senior Database Administrator

AGGRANDIZE

full-time

Posted on:

Location Type: Remote

Location: Brasil

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Job Level

Senior

Tech Stack

CloudMongoDBOraclePostgresSQL

About the role

  • Support development teams on database-related matters, including data modeling best practices, query writing, and optimization;
  • Administration, maintenance and evolution of Oracle Database environments on on-premises and cloud infrastructure;
  • Performance analysis, database tuning, and query optimization in high-volume, mission-critical environments;
  • Implementation of high-availability, replication, backup, and disaster recovery solutions;
  • Propose and implement data architecture improvements to enhance scalability, resilience, and operational efficiency;
  • Continuous monitoring of database environments to ensure stability, capacity, and performance;
  • Work closely with application teams for impact analysis, troubleshooting, and performance improvements;
  • Create automations and scripts to eliminate repetitive operational tasks and increase environment reliability;
  • Contribute to data security, availability, and integrity by defining access, auditing, and recovery procedures;
  • Implement and maintain backup, restore, and disaster recovery strategies;
  • Conduct proactive capacity and performance analyses;
  • Evaluate new technologies, tools, and features within the Oracle ecosystem;
  • Serve as a technical database reference, supporting other professionals and promoting best practices;
  • Track Oracle technology roadmaps and market trends, contributing to innovation strategies;
  • Participate in continuous improvement initiatives for the data platform and associated services;
  • Data modeling and support in defining efficient structures for applications;
  • Create, modify, and maintain database objects (tables, indexes, procedures, packages, etc.);
  • Analyze information and support technical decision-making;
  • Identify and fix database-related bugs;
  • Perform code reviews focused on quality, performance, and data access best practices.

Requirements

  • Solid experience as an Oracle DBA in critical, high-volume data environments;
  • Advanced knowledge of Oracle Database administration (installation, configuration, tuning, and troubleshooting);
  • Experience with performance tuning, AWR/ASH analysis, execution plans, and query optimization;
  • Knowledge of backup and recovery (RMAN), Data Guard, replication, and high-availability strategies;
  • Experience with cloud environments and modern infrastructure architectures;
  • Proficiency in PL/SQL and data manipulation languages;
  • Experience with data modeling and relational database best practices;
  • Knowledge of database monitoring and automation tools;
  • Experience with heterogeneous database environments such as Oracle, PostgreSQL, SQL Server, or MongoDB is a plus;
  • Knowledge of integration with applications, APIs, and programming languages;
  • Familiarity with CI/CD processes, automation, and infrastructure-as-code is a plus.
Applicant Tracking System Keywords

Tip: use these terms in your resume and cover letter to boost ATS matches.

Hard Skills & Tools
Oracle Database administrationPL/SQLdata modelingperformance tuningquery optimizationbackup and recoveryData Guardreplicationhigh-availability strategiesdatabase monitoring
Soft Skills
troubleshootingtechnical decision-makingcollaborationcontinuous improvementautomation