Lead, Database Administrator

Our Purpose Mastercard powers economies and empowers people in 200+ countries and territories worldwide. Together with our customers, we’re helping build a sustainable economy where everyone can prosper. We support a wide range of digital payments choices, making transactions secure, simple, smart and accessible. Our technology and innovation, partnerships and networks combine to deliver a unique set of products and services that help people, businesses and governments realize their greatest potential.

Responsibilities

• Lead database design, performance tuning, query optimization, and database operations.
• Install, configure, administer, and support PostgreSQL, Cassandra, Elasticsearch, Redis, and other NoSQL database platforms.
• Implement proactive monitoring and alerting strategies to identify and resolve issues before they impact application performance or customer experience.
• Configure and manage database replication technologies, including multi-node clustered and distributed environments.
• Perform database schema upgrades, testing, validation, and deployment activities.
• Design, implement, and maintain highly available database architectures.
• Maintain database security, including authentication, authorization, roles, privileges, and access controls.
• Develop and maintain documentation, operational procedures, and best-practice guides for database deployment and maintenance.
• Collaborate with development and support teams to participate in release management and change management processes, including the deployment of new features, patches, and upgrades.
• Support capacity planning, performance analysis, troubleshooting, and root cause analysis activities.
• Participate in incident management and production support activities for mission-critical systems.

Qualifications

Required Qualifications

• Proven experience as a Database Technical Lead, Database Architect, or Senior Database Administrator.
• Strong hands-on experience with at least two of the following technologies: PostgreSQL, Apache , Cassandra, Elasticsearch, Redis.
• Extensive experience administering databases in medium to large enterprise environments