DBA Sênior - (Oracle)

This position is listed on behalf of a partner company, who manages all applications and next steps. Our partner is looking for a DBA Sênior - (Oracle) based in Brazil.

As a Senior Database Administrator, you will be responsible for ensuring the reliability, performance, and security of critical database environments that support business operations. This role offers the opportunity to work with high-availability platforms, optimize database performance, and contribute to infrastructure evolution through innovative solutions. You will collaborate with technology teams, manage complex production environments, and help maintain data platforms that are essential to daily operations. The position requires a hands-on professional with strong technical expertise, ownership mindset, and the ability to solve complex challenges in a dynamic environment. If you are passionate about databases, performance optimization, and continuous improvement, this is an opportunity to make a meaningful impact.

Accountabilities:: Manage and support highly critical production database environments, ensuring availability, stability, performance, and operational excellence.

Administer relational and non-relational database platforms, including Oracle, MySQL, PostgreSQL, SQL Server, and MongoDB environments.

Perform database monitoring, troubleshooting, performance analysis, and query tuning to identify and resolve potential issues proactively.

Ensure proper governance of database environments through health checks, operational controls, and continuous improvement initiatives.

Plan and execute database activities, changes, upgrades, and maintenance procedures while minimizing operational impact.

Manage incidents, service requests, and supplier interactions, including opening support cases, following up on resolutions, and escalating issues when required.

Implement and maintain monitoring practices using tools such as Zabbix and Grafana to improve database availability and performance visibility.

Collaborate with infrastructure, development, and technology teams to support new projects and optimize existing platforms.

Contribute to agile initiatives, ITSM processes, documentation, and operational best practices.

Requirements

Proven experience as a Database Administrator managing critical and high-availability database environments.

Strong knowledge of relational and non-relational databases, including Oracle, SQL Server, MySQL, PostgreSQL, and MongoDB.

Hands-on experience with database performance tuning, query optimization, and troubleshooting complex database issues.

Experience with high-availability technologies such as AlwaysON and similar database availability solutions.

Experience with database monitoring tools, particularly Zabbix and Grafana.

Familiarity with agile methodologies and IT service management (ITSM) processes.

Experience managing production changes, approvals, and controlled deployment processes.

Strong communication and interpersonal skills, with the ability to collaborate effectively across technical teams.

Proactive, organized, and ownership-driven mindset with strong planning and problem-solving abilities.

Ability to work hands-on, prioritize multiple activities, and operate effectively in a fast-paced technology environment.

Preferred Qualifications:

Certifications related to Oracle, MongoDB, MySQL, PostgreSQL, or SQL Server.

Experience with cloud environments, especially AWS.

Knowledge of Oracle Data Guard, SQL Server AlwaysON, RMAN backup/restore processes, and Oracle Enterprise Manager (OEM).

Additional experience supporting large-scale enterprise technology environments.

Benefits

Medical and dental assistance coverage for employees and dependents.

Telemedicine and teletherapy services.

Annual bonus opportunities.

Flexible working hours.

Transportation support or parking benefit depending on workplace location.

Internal restaurant facilities.

Flexible meal benefits (food allowance and/or meal voucher).

Wellness benefits through fitness partnerships.

Additional vacation opportunities throughout the year.

Birthday day off benefit.

Employee discounts on products and online purchases.

Opportunity to work in a collaborative and innovative technology environment.

Professional development opportunities within a large-scale organization.

How Jobgether works: We use an AI-powered matching process to ensure your application is reviewed quickly, objectively, and fairly against the role's core requirements. Our system identifies the top-fitting candidates, and this shortlist is then shared directly with the hiring company. The final decision and next steps (interviews, assessments) are managed by their internal team. We appreciate your interest and wish you the best!  Why Apply Through Jobgether?    Data Privacy Notice: By submitting your application, you acknowledge that Jobgether will process your personal data to evaluate your candidacy and share relevant information with the hiring employer. This processing is based on legitimate interest and pre-contractual measures under applicable data protection laws (including GDPR). You may exercise your rights (access, rectification, erasure, objection) at any time.     #LI-CL1