Position:MySQL PostgreSQL Database Engineer L3Location:Remote BrazilDuration: ContractRate: DOEAbout the RoleWe are looking for a seniorlevel 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 Kubernetesnative deployments using Helm and Argo CDYou 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 mentoringKey ResponsibilitiesArchitect highly available cloudnative MySQL and PostgreSQL clusters using Kubernetes OperatorsPrototype and maintain Helm charts customize for deployment of CNPG Percona Operator and supporting componentsManage infrastructure as code using TerraformImplement and manage GitOps workflows using Argo CDLead design of backuprestore PITR failover and disaster recovery strategiesTune query performance replication and storage behavior across platformsWrite clear productionready documentation SOPs and runbooks for L2 teamsLead endtoend delivery of DB engineering projects escalating only when neededCore QualificationsPostgreSQL technical experienceWAL internals PITR logical replicationPerformance tuning and optimizationVACUUMautovacuum tuning query planning index optimizationExtensions pgstatstatements pgvector FDWOperator deployment via CNPGMySQL technical experienceDeep InnoDB understanding redoundo logs buffer pool tuningPerformance tuning and optimizationGTID replication semisync RDSAurora HA topologiesBackup via Percona XtraBackup logical dumps snapshotsOperatorbased deployment with Percona OperatorAutomation and IaCExperience using Argo CD for GitOpsstyle deploymentHelm chartKustomize creation and managementDeep Terraform proficiency for cloud infrastructure automationStrong Python skills to build reusable automation libraries and scriptsInfrastructure CloudExperience with one of AWS Azure or OCI cloud is a mustUnderstanding of cloudnative database deployments RDS IAM secrets network securityStrong grasp of Kubernetes networking RBAC Stateful Sets volumes node affinityOperational ExcellenceProject ownership from design through delivery and L2 handoffStrong documentation skills SOPs diagrams runbooksExcellent troubleshooting and root cause analysis under pressureAbility to mentor L2 engineers and oversee their executionBonus SkillsKubernetes secrets management Sealed Secrets External SecretsCICD patterns for DB change promotion eg schema diffsLoad testing and benchmarking Sysbench pgbenchFamiliarity with other engines MongoDB Redis Elastic Cache etc