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Database Administrator with Cloud Expertise

Company: Citigroup Inc.

Location: mississauga, London

Posted: June 01, 2026

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Position Details

Citi is hiring a Database Administrator to optimize Oracle Autonomous Database and MongoDB while focusing on cloud modernizations. Drive high availability and migration strategies in this vital role.

This role emphasizes hands-on database management and migration to AWS and GDP services, requiring expertise in performance tuning and disaster recovery. Candidates should have a strong background in optimizing both on-premise and cloud environments to ensure data integrity. Familiarity with PL/SQL and cloud integrations is essential.

Key Responsibilities: • Manage Oracle Autonomous and Big Data systems • Implement high availability solutions across environments • Automate database tasks to improve performance • Lead migrations ensuring minimal downtime • Collaborate with teams for successful integrations

Requirements: • Established experience with Oracle and MongoDB • Expertise in cloud migrations to AWS and GDP • Proficiency in NoSQL or PL/SQL coding • Strong s...