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Database Administrator - Assistant Vice President

Company: Citigroup

Location: Mississauga, London

Posted: June 03, 2026

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Position Details

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.
+ **Lead database migrations** to **AWS** and **GDP Database Services...