Database Engineer

Há 6 dias

Curitiba, Brasil GeorgiaTEK Systems Inc. Tempo inteiro

Job Title: L3 MySQL PostgreSQL Database Engineer Location: Brazil (Remote)About the Role We are looking for a senior-level database engineer to lead the design, deployment, and automation of PostgreSQL and MySQL platforms across both cloud infrastructure and Kubernetes environments. This role requires strong experience building resilient systems using Terraform in AWSOCI as well as managing Kubernetes-native deployments using Helm and Argo CD. You will be responsible for prototyping new solutions, defining standards, and creating automation workflows that support highly available, secure, and maintainable database services. This is a senior engineering position with a focus on architecture, automation, documentation, and mentoring Key Responsibilities An architect highly available cloud-native MySQL and PostgreSQL clusters using Kubernetes Operators Prototype and maintain Helm chartsKustomize for deployment of CNPG Percona Operator and supporting components Manage infrastructure as code using Terraform Implement and manage GitOps workflows using Argo CD Lead design of backuprestore PITR, failover, and disaster recovery strategies Tune query performance, replication, and storage behavior across platforms Write clear production-ready documentation SOPs and runbooks for L2 teams Lead end-to-end delivery of DB engineering projects, escalating only when needed Core Qualifications PostgreSQL technical experience WAL internals PITR logical replication Performance tuning and optimization VACUUMautovacuum tuning query planning index optimization Extensions pgstatstatements pgvector FDW Operator deployment via CNPG MySQL technical experience Deep InnoDB understanding redo logs, buffer pool tuning Performance tuning and optimization GTID replication semisync RDSAurora HA topologies Backup via Percona XtraBackup logical dumps snapshots Operator-based deployment with Percona Operator Automation and IaC Experience using Argo CD for GitOps-style deployment Helm chartKustomize creation and management Deep Terraform proficiency for cloud infrastructure automation Strong Python skills to build reusable automation libraries and scripts Infrastructure Cloud Experience with one of AWS, Azure, or OCI clouds is a must Understanding of cloud-native database deployments, RDS, IAM secrets, and network security Strong grasp of Kubernetes networking, RBAC, Stateful Sets, volumes, and node affinity Operational Excellence Project ownership from design through delivery and L2 handoff Strong documentation skills, SOPs, diagrams, and runbooks Excellent troubleshooting and root cause analysis under pressure Ability to mentor L2 engineers and oversee their execution Bonus Skills Kubernetes secrets management: Sealed Secrets, External Secrets CICD patterns for DB change promotion, e.g., schema diffs Load testing and benchmarking Sysbench pgbench Familiarity with other engines, MongoDB, Redis, Elastic Cache, etc

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