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 , ensuring minimal downtime and data integrity. Monitor and manage cloud resources in AWS and GDP , ensuring scalability, cost‑effectiveness, and security. Collaborate with internal teams and stakeholders to ensure successful cloud migrations and integrations. Qualifications Proven experience with Oracle Autonomous Database , MongoDB , and Big Data systems. Expertise in high availability , disaster recovery , performance tuning , and cloud integration . Strong background in migrating databases to AWS and GDP . Proficiency in PL/SQL , NoSQL , and cloud resource management. Excellent communication and problem‑solving skills. This job description provides a high‑level review of the types of work performed. Other job‑related duties may be assigned as required. Citi is an equal opportunity employer, and qualified candidates will receive consideration without regard to their race, color, religion, sex, sexual orientation, gender identity, national origin, disability, status as a protected veteran, or any other characteristic protected by law. Accessibility at Citi: If you are a person with a disability and need a reasonable accommodation to use our search tools and/or apply for a career opportunity, please review our accessibility resources. View Citi’s EEO Policy Statement and the Know Your Rights poster. #J-18808-Ljbffr