Database Administrator - DBA Oracle & PostgreSQL - PRE

Visa is a world leader in payments and technology, with over 259 billion payments transactions flowing safely between consumers, merchants, financial institutions, and government entities in more than 200 countries and territories each year. Our mission is to connect the world through the most innovative, convenient, reliable, and secure payments network, enabling individuals, businesses, and economies to thrive while driven by a common purpose – to uplift everyone, everywhere by being the best way to pay and be paid.

Make an impact with a purpose-driven industry leader. Join us today and experience Life at Visa.

Manage, support and maintain database technology and infrastructure, adhering to the best practices, architectural guidelines and policies.
Physical implementation of databases, storage structures, high-availability solutions, replication, and disaster recovery solutions.
Proactive and reactive performance analysis, monitoring, troubleshooting and resolution of escalated Level 2 and Level 3 issues.
Database administration for off the shelf and internally developed applications, ensuring continuous 24x7 operation and availability in support of mission critical business applications, and participate in on-call rotation.
Develop/maintain Python/Shell scripts for DB automation.
Develop and support Database as a Service (DBaaS) offerings.
Develop solutions to enhance database reliability.
Regular database capacity planning related to database growth and system utilization, trend analysis, predictive future database resource requirements, and the structured organized reporting of the same.
Work closely with other Infrastructure engineering, product development, business operations, and technical operations teams to ensure delivery of database services within the SLAs and performance targets.
Work well in a team and as an individual with minimal supervision.

This is a hybrid position. Expectation of days in office will be confirmed by your hiring manager.

Basic Qualifications
2+ years of relevant work experience and a Bachelors degree, OR 5+ years of relevant work experience

Preferred Qualifications
Bachelor or Master Degree in Computer Science or related field
Mid-level DBA experience managing PostgreSQL & Oracle databases (including Oracle RAC)
DBA experience managing logical & physical replication for PostgreSQL and Oracle database
Strong Python/Perl scripting skill and experience in tools like Ansible
Exceptional deductive reasoning skills
Curiosity and tenacity to fully diagnose why something went wrong
Good understanding of PostgreSQL & Oracle database fundamentals and Architecture.
Good understanding of PostgreSQL & Oracle database security management
Good understanding of PostgreSQL streaming and logical replication
Good understanding of Oracle DataGuard and GoldenGate replication
Should have good Troubleshooting and Performance Improvement Skills including index creation, query optimization, schema changes etc.
Should have strong UNIX platform skills and understanding of network, storage, tiered application environments and security.
Any experience developing DBaaS offerings will be a plus
Ability to modify and integrate database and related products and develop solutions to achieve required capabilities for Persistence/DB layer.
Experience configuring PostgreSQL monitoring using Prometheus end points, Grafana etc.
Knowledge of programming language (Java, C++, Go) and prior development experience will be a plus
Any contribution to PostgreSQL community will be a plus
Understanding of CI/CD pipeline and code versioning tools such as Git

Visa is an EEO Employer. Qualified applicants will receive consideration for employment without regard to race, color, religion, sex, national origin, sexual orientation, gender identity, disability or protected veteran status. Visa will also consider for employment qualified applicants with criminal histories in a manner consistent with EEOC guidelines and applicable local law.