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PostgreSQL Senior Database Administrator (DBA)

Company: Marsh Risk

Location: montreal (administrative region), London

Posted: June 05, 2026

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Position Details

Marsh McLennan’s Database Services team is growing rapidly, and we have an exciting opportunity for a creative and inquisitive Senior Database Administrator skilled in Postgres and Oracle. This hybrid role requires 3 days in-office in Canada and offers the chance to work on a global team responsible for critical enterprise database systems.

PostgreSQL Senior Database Administrator (DBA)

We will count on you to:

  • Manage, optimize, and ensure the high availability of PostgreSQL databases hosted on Linux and cloud platforms (AWS and Azure).
  • Lead complex database migration projects from Oracle to PostgreSQL, including performance tuning and high-availability configurations.
  • Implement advanced PostgreSQL features such as partitioning, indexing strategies, query tuning, and replication to optimize performance at scale.
  • Oversee configuration and management of cloud-based PostgreSQL offerings and maintain disaster recovery solu...