We are looking for an experienced Senior PostgreSQL System Administrator with 5–7 years of hands‑on experience managing large‑scale, mission‑critical PostgreSQL environments. This role is ideal for someone who thrives in performance tuning, high availability design, and database security, and who enjoys mentoring junior DBAs while influencing architectural decisions.Key ResponsibilitiesLead installation, configuration, and administration of PostgreSQL databases across production and non‑production environmentsDesign and implement High Availability (HA), Disaster Recovery (DR), and replication solutionsMonitor database performance, identify bottlenecks, and optimize queries and configurationsPerform database upgrades, patching, and migrations with minimal downtimeImplement and manage backup and recovery strategies (pgBackRest, Barman, etc.)Ensure database security through access control, auditing, and encryptionAutomate routine DBA tasks using Shell scripting, Ansible, or similar toolsCollaborate with Development, Infrastructure, and DevOps teams on scalable architecturesCreate and maintain documentation, standards,



and best practicesMentor junior DBAs and act as a PostgreSQL Subject Matter ExpertParticipate in on‑call rotation and resolve critical incidentsRequired Skills & QualificationsBachelor’s degree in Computer Science, Engineering, or related field5–7 years of PostgreSQL DBA experience (MongoDB exposure required)Robust knowledge of PostgreSQL internals and architectureExperience with PostgreSQL v14Expertise in streaming/logical replication and clusteringAdvanced performance tuning, query optimization, and indexing strategiesStrong Linux/Unix skills with scripting (Bash, Python preferred)Experience with monitoring tools such as Prometheus, Grafana, or ZabbixExperience managing PostgreSQL on cloud platforms (AWS RDS, GCP Cloud SQL, Azure)Preferred / Nice to HaveExperience with Docker and KubernetesKnowledge of other databases (MySQL, Oracle, NoSQL)Exposure to CI/CD pipelines and DevOps practicesInfrastructure as Code experience (Ansible, Terraform)Soft SkillsExcellent analytical and troubleshooting skillsStrong communication and documentation abilitiesLeadership and mentoring mindsetProactive, automation‑driven approach to problem solving#J-18808-Ljbffr

📌 Senior Postgresql System Administrator (Toronto)
🏢 Galent
📍 Toronto