Arquiteto de Banco de Dados PostgreSQL
New
BrazilFull-TimeSenior
Salary not disclosed
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Job Details
- Languages
- English
- Required Skills
- PostgreSQLLinuxTroubleshooting
Requirements
- Proven experience as a DBA or Database Architect working with large-scale PostgreSQL environments.
- Strong expertise in high-availability architectures using Patroni, Etcd, and Keepalived.
- Deep understanding of Linux systems administration, kernel tuning, and system-level optimization.
- Experience managing on-premises infrastructure, including storage design, networking, and system services.
- Ability to handle critical incidents under pressure, ensuring minimal RPO/RTO and system recovery.
- Strong knowledge of PostgreSQL performance tuning, replication, and query optimization.
- Familiarity with system-level debugging, logs analysis, and troubleshooting complex distributed issues.
- Advanced English for technical documentation, RCA writing, and global team collaboration.
- Bachelor’s degree in Computer Science, Computer Engineering, Information Systems, or related fields.
- Preferred certifications such as LPIC, RHCE, EDB PostgreSQL Certification, or Microsoft/Azure database credentials.
Responsibilities
- Architect, administer, and maintain high-availability PostgreSQL clusters in on-premises environments using tools such as Patroni, Etcd, and Keepalived.
- Monitor system health and ensure resilience of large-scale database infrastructures supporting mission-critical operations.
- Investigate and resolve complex performance and availability incidents, performing deep root cause analysis (RCA).
- Troubleshoot replication issues, locking problems, connection anomalies, and system-level database failures.
- Perform advanced Linux kernel and infrastructure tuning, including memory management, I/O optimization, and storage configuration.
- Manage database patching, upgrades, and maintenance activities using zero-downtime strategies and safe failover procedures.
- Optimize PostgreSQL performance parameters and query execution plans for high-volume workloads.
- Design scalable database architectures and capacity plans for new systems and evolving business needs.
- Produce detailed technical documentation and RCA reports following critical incidents.
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