PostgreSQL System Admin

1 week ago


Markham, Ontario, Canada Viva Tech Solutions Full time

Key Responsibilities:

  • Lead the installation, configuration, and administration of PostgreSQL database servers across production and non-production environments.
  • Design and implement high availability (HA), disaster recovery (DR), and replication solutions.
  • Monitor and analyze database performance, identify bottlenecks, and fine-tune SQL queries and database configurations.
  • Perform database upgrades, patching, and migrations with minimal downtime.
  • Implement robust backup and recovery strategies using tools like pgBackRest, Barman, etc.
  • Ensure database security through access controls, auditing, and encryption.
  • Automate routine database tasks using shell scripting or Ansible.
  • Collaborate with development, infrastructure, and DevOps teams to design scalable database architectures.
  • Document procedures, standards, and best practices for database management.
  • Provide mentorship to junior DBAs and act as an SME for PostgreSQL in cross-functional teams.
  • Support on-call rotation and handle critical incidents as needed.

Required Skills & Qualifications:

  • Bachelor's degree in Computer Science, Engineering, or a related field.
  • 5–7 years of PostgreSQL DBA with MongoDb experience in production environments.
  • Deep understanding of PostgreSQL internals, architecture, and advanced features.
  • Versions: PostgreSQL V14
  • Proven experience with streaming/logical replication and clustering.
  • Expertise in performance tuning, query optimization, and index strategy.
  • Strong experience with backup and recovery tools and strategies.
  • Advanced knowledge of Linux/Unix systems and scripting (Bash, Python preferred).
  • Familiarity with monitoring tools like Prometheus, Grafana, or Zabbix.
  • Experience managing PostgreSQL on cloud platforms (AWS RDS, GCP Cloud SQL, Azure).

Preferred/Good to Have:

  • Experience with containerization and orchestration tools (Docker, Kubernetes).
  • Knowledge of other database technologies (MySQL, Oracle, or NoSQL solutions).
  • Exposure to CI/CD pipelines and DevOps practices.
  • Experience with Infrastructure as Code (IaC) using Ansible, Terraform, etc.


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