Description
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.
Title and Summary
Senior Platform Engineer Overview• Identifies and selects appropriate technologies, develops, builds, and maintains database technologies and associated software products
• Independently contributes to system-level programs in support of database development and production support
• Writes and supports the development of SQL tuning statement procedures to optimize SQL tuning and query development
• Performs database implementations to optimize system/platform performance, efficiency, and capacity; may guide others on implementation and troubleshooting activities
• Supports database security posture which includes escalating potential concerns, and implementing both risk mitigation plans and control functions
• Drafts and reviews status reports and troubleshooting guides, carrying out project plans to ensure project milestones are met and progress is successfully communicated
• Recommends and implements business and process improvements to facilitate optimal performance
• Assists in the design, development, and testing of processes for physically loading initial data into a database and for loading cyclical data
• Performs production level support and be part of the on-call rotation when required
• Works with DB2 and 3rd-party vendor support
• Closely works with multiple application team developers and DBA's
Job Summary: As a DB2 Database Administrator at Mastercard, you will be responsible for ensuring the Analysis, Design, Development, Implementation, Performance, Integrity, and Security of DB2 databases across mainframe (z/OS) environments. You will collaborate with platform engineering, application development, and audit teams to support mission-critical systems and enable secure, scalable, and resilient database solutions.
Key Responsibilities:
• Performance & Optimization:
o Monitor database performance and implement tuning measures.
o Optimize SQL queries and indexing strategies.
o Conduct capacity planning and scalability assessments.
• Security & Compliance:
o Manage database security, access controls, and encryption.
o Ensure compliance with Mastercard's data governance and audit requirements.
o Implement backup, recovery, and disaster recovery strategies.
• Maintenance & Support:
o Support release implementations for various applications
o Troubleshoot and resolve database-related issues.
o Good knowledge in supporting replication (Q-Replication), QMF, QMF for Windows, Db2 Connect and monitoring tools.
• Collaboration & Documentation:
o Work closely with developers, system programmers, and DBAs.
o Document database configurations, standards, and procedures.
o Assist in onboarding new applications and decommissioning legacy systems.
Required Skills & Qualifications:
• Bachelor's degree in Computer Science, Information Systems, or related field.
• hands-on experience with DB2 on z/OS
• Proficiency in SQL, JCL, SQL Tuning, REXX scripting, and automation tools.
• Proficiency in using BMC Admin Tool (CAT MGR, CHG MGR) and other BMC utilities
• Proficiency in using IBM tools Query Monitor, Log Analyzer and standards IBM utilities to manage and support very large Databases in Db2
• Experience with Q-Replication, and performance monitoring tools like MainView for Db2.
• Strong understanding of database architecture, partitioning, and replication.
• Excellent problem-solving, communication, and teamwork skills.
Corporate Security Responsibility
All activities involving access to Mastercard assets, information, and networks comes with an inherent risk to the organization and, therefore, it is expected that every person working for, or on behalf of, Mastercard is responsible for information security and must:
Abide by Mastercard's security policies and practices;
Ensure the confidentiality and integrity of the information being accessed;
Report any suspected information security violation or breach, and
Complete all periodic mandatory security trainings in accordance with Mastercard's guidelines.
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