Staff Database Engineer – Oracle / Postgres Job Vacancy in Visa Bengaluru, Karnataka – Updated today

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Company Name : Visa
Location : Bengaluru, Karnataka
Position :

Job Description : Company Description
Visa is a world leader in digital payments, facilitating more than 215 billion payments transactions between consumers, merchants, financial institutions and government entities across 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.
When you join Visa, you join a culture of purpose and belonging – where your growth is priority, your identity is embraced, and the work you do matters. We believe that economies that include everyone everywhere, uplift everyone everywhere. Your work will have a direct impact on billions of people around the world – helping unlock financial access to enable the future of money movement.
Join Visa: A Network Working for Everyone.

Job Description
Primarily the engineering, deployment and support of PostgreSQL and Oracle database.
This role is part of Platform as a Service (PaaS) organization, where you are expected to spend 30-40% of your time developing DB as a Service (DBaaS) offerings and database reliability enhancement solutions. In addition, you will be database subject matter expert for multiple applications, manage the complete lifecycle of databases and participate in on-call rotation for 24×7 availability of production databases.
This includes, but is not limited to following:
Manage, support and maintain database technology and infrastructure, adhering to the best practices, architectural guidelines and policies.
Database administration for off the shelf and internally developed applications, ensure continuous 24×7 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
Manage, support and maintain database technology and infrastructure, adhering to the architectural guidelines and policies.
Database administration for off the shelf and internally developed applications, ensure continuous 24×7 operation and availability in support of mission critical business applications and participating in on-call rotation.
Install, configure, monitor, upgrade and maintain Oracle and PostgreSQL databases in production and non-production environments.
Support local/across the DC failover with High Availability Disaster Recovery environment (with Data Guard & Golden Gate for Oracle and Streaming & Logical Replications for PostgreSQL). Participate in Database Maintenance and DR activities.
Write/maintain Shell/Python scripts for DB automation.
Provide technical expertise and hands-on support in consolidation and migration of databases to new hardware and platforms.
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 Level3 issues.
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 to ensure delivery of database services within the SLA’s and performance targets.
Adapt business requirements, model data, and develop database specifications, table and element attributes.
Participate in the evaluation, selection and implementation of DBA tools to improve the effectiveness of tasks such as performance monitoring and tuning, recovery, and database change management processing.
Ability to work well as a team and as an individual with minimal supervision.

Qualifications
Basic Qualifications:
4 years of work experience with a Bachelor’s Degree or an Advanced Degree (e.g. Masters, MBA, JD, MD, or PhD)
Preferred
Bachelor or Master Degree in Computer Science or related field
7-10 years of DBA experience managing PostgreSQL & Oracle databases (including Oracle RAC)
4-5 years of 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
Additional Information

Visa has adopted a COVID-19 vaccination policy. As a condition of employment, all employees based in the country where this job is located are required to be fully vaccinated for COVID-19, unless a reasonable accommodation is approved or as otherwise required by law.

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