Database Administrator - Assistant Vice President

Citigroup Inc. • mississauga, on, Canada • Posted May 30, 2026

Location mississauga, on
Job Type Full-time
Category Other-General
Posted May 30, 2026
We are seeking an experienced

Database Administrator

to manage and optimize on‑premise

Oracle Autonomous Database (Oraas) ,

MongoDB , and

Big Data

systems, with a focus on modernizing these databases to private cloud solutions. This role requires strong expertise in database administration, high availability, migration strategies, and cloud‑based database services. Candidates with hands‑on experience in Starburst, Iceberg, or Databricks are highly preferred.

Key Responsibilities

Manage and optimize

on‑premise databases ( Oraas ,

MongoDB ,

Big Data ).

Implement

high availability ,

disaster recovery , and

performance tuning

for both on‑premise and cloud environments.

Develop

backup/recovery strategies and ensure compliance with security standards.

Automate database management tasks to improve operational efficiency.

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