Qualification:
This is a data architect position for an individual with a strong background in data architecture, data modeling, performance tuning and trouble shooting skills in Oracle, Big Data and Cloud based databases.
• At a minimum, a bachelor’s degree in Computer Science, Information Technology or a related field is required
• 10+ years' experience in a database technologies
• Strong communication and customer engagement skills
Professional skills:
• Deep experience and "Hands- On" experience in architecting, designing, and building enterprise-class relational and dimensional data models for large scale OLTP and data warehouse
• Hands on experience with Oracle and at least one Cloud based DB
• Extensive experience in analyzing and fixing query performance issues. Very good understanding in reading and analyzing explain plan and fixing performance issues.
• Extensive experience in advanced database skills such as oracle in-memory, data partitioning, stat gather, data purging, materialized views, star and snowflake design, index and stored procedures.
• Advanced knowledge of SQL and related programming languages such as PL/SQL, Python and Unix Shell scripting
• Familiar with technologies including Snowflake, ETL/ELT tools, Spark SQL, AWS
• Understanding data management and governance concepts such as data quality, data purging, metadata management, data lineage, data lakes etc
• Experienced with integration tool like Talend, dimensional models, slowly changing dimensions, and database tuning
• Self-starter attitude and ability to work independently
• Excellent communication skills and problem solving skills
Responsibilities:
• Involve in architect, design and development of data warehouse and ODS databases
• Work with system architects, software architects, and design analysts to understand business requirements
• Develop standards: Create and enforce standards for database development
• Manage and Monitor : Oversee the day-to-day activities of the database, including monitoring quality, service, and utilization standards
• Optimize for throughput, concurrency, load and performance with best practices for SQL queries, caching, indexing strategies and other performance best practices
• Work closely with production support and developers to identify trouble queries, analyze query plan and tune queries for performance issues
• Develop and enhance existing framework using python that can performs data load/unload, export/import, purging, stat gather and other db monitoring.
• Pro-actively monitor db locks, blocks, long running queries and act on its
• Ensure proper process and policies are being followed by enforcing data management and governance.
• Create, build and maintain lower environments (i.e UAT/QA/Dev) and regularly perform data refresh on these environment
• Builds data models including conceptual, logical, and physical design
• Work with SA and DBA to ensure latest VTM patches and bug fixes are applied.
• Monitor DB and tablespace size and keep db size under control by purging
• Defining strategic roadmaps for migration of data from legacy app to new app.
• Added benefits: Cloud and Snowflake certifications.
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Job Family Group:
Technology
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Job Family:
Applications Development
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Time Type:
Full time
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Citi is an equal opportunity and affirmative action employer.
Qualified applicants will receive consideration without regard to their race, color, religion, sex, sexual orientation, gender identity, national origin, disability, or status as a protected veteran.
Citigroup Inc. and its subsidiaries ("Citi”) invite all qualified interested applicants to apply for career opportunities. 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 review Accessibility at Citi.
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