Senior DBA | Oracle, PostgreSQL and MongoDB

JobgetherFinancial markets

Based in BrazilFull-TimeSenior

Salary not disclosed

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Job Details

Bring solid professional experience as a DBA in highly critical production environments.
Have advanced knowledge of Oracle Database administration, performance tuning, backup and recovery, and high availability.
Have advanced knowledge of PostgreSQL administration, performance tuning, replication, and backup and recovery.
Have hands-on MongoDB experience, including administration, data modeling, replica sets, sharding, and performance optimization.
Have experience with high-availability environments and high-volume transactional workloads.
Demonstrate advanced SQL skills and knowledge of database performance tuning and disaster recovery.
Be familiar with data modeling, database monitoring and observability, Linux, and database security and access control.
Have experience with scripting and automation using Shell, Bash, or similar tools.
Have intermediate English proficiency.
Have a degree, technical degree, or relevant technical education.
Be able to work independently and proactively, take a consultative approach, and recommend structural improvements.
Collaborate effectively with Development, Infrastructure, and Product teams.
Nice to have: financial-sector experience, Redis, Terraform, Ansible or other Infrastructure as Code tools, Prometheus, Grafana or APM tools, managed cloud databases on AWS, Azure or GCP, or familiarity with OMS, Market Data, or B3 integrations.

Administer, operate, and optimize Oracle, PostgreSQL, and MongoDB database environments.
Restructure and modernize data infrastructure, identifying risks, performance bottlenecks, and technical debt.
Design and improve backup, recovery, high-availability, and disaster-recovery strategies.
Tune queries, indexes, and execution plans, and perform capacity planning in critical environments.
Collaborate with Development and Architecture teams on data modeling, query reviews, and technical standards.
Maintain database security policies, access controls, and compliance practices.
Monitor database environments and define metrics, alerts, and preventive measures.
Lead database migrations, version upgrades, and infrastructure consolidation.
Document processes, architectures, and operational runbooks.
Support architectural decisions across engineering squads as the database technical reference.

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