Senior System Administrator

Galent
Full-time markham, york region Other-General
Posted:
June 11, 2026
Location:
markham, york region, Canada

Job Description

Job Summary

We are seeking an experienced and highly skilled Senior PostgreSQL System Administrator with 5 to 7 years of hands‑on experience managing large‑scale PostgreSQL environments. The ideal candidate will be responsible for database performance, optimization, scalability, and security across mission‑critical systems, mentor junior DBAs, and support architectural decisions to ensure high availability and business continuity.

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...

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Job Overview

Job Type: Full-time
Location: markham, Canada
Posted: June 11, 2026
Deadline: July 21, 2026