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Job Information

MasterCard Lead Database Engineer - Oracle & Postgres in O'Fallon, Missouri

Our Purpose

We work to connect and power an inclusive, digital economy that benefits everyone, everywhere by making transactions safe, simple, smart and accessible. Using secure data and networks, partnerships and passion, our innovations and solutions help individuals, financial institutions, governments and businesses realize their greatest potential. Our decency quotient, or DQ, drives our culture and everything we do inside and outside of our company. We cultivate a culture of inclusion ( for all employees that respects their individual strengths, views, and experiences. We believe that our differences enable us to be a better team – one that makes better decisions, drives innovation and delivers better business results.

Job Title

Lead Database Engineer - Oracle & Postgres

Job Description Summary


• Provide world-class support and expertise to MasterCard’s Oracle and Postgres database environments.

• MasterCard’s Database Architects set the direction for the enterprise leadership to design and build highly available, scalable and efficient solutions following standards and security policies

• Represent MasterCard’s Data Architecture team as a subject matter expert in the Oracle and Postgres sub domains.

• Continually look for opportunities to create efficiencies and provide expertise to integrate technologies and platforms into current environments within the Oracle and Postgres sub domains.

• Provide leadership and contribute to technology roadmaps to support MasterCard’s vision for Oracle and Postgres technologies.

• What technologies do you have hands-on experience with, and what degree is that experience?

• In your current role, what new database technologies have you integrated into your current environment and how?

• What experience do you have with data migration and integration from multiple systems?


• Excellent interpersonal communication skills.

• Displays excellent collaborative skills to facilitate cross-functional teams

• Forward thinking infrastructure automation and scripting skills.

• Manage clients’ expectations and communicates proactively.

• Displays excellent collaborative skills to facilitate cross-functional teams.

• Ability to work with team members located in multiple geographies and time zones.

• Ability to work with minimal supervision seeking direction as required.

• Ability to understand customer’s data requirements and recommend appropriate database solution

• The DBA will be responsible for designing, deploying and maintaining Oracle and Postgres database clusters that will enable and enhance software products and systems used every day by large platforms, applications and groups of users.

• Creation and implementation of fully functional database clusters, ability to maintain multiple development, QA and production environments with experience in performance tuning.

• Review existing configurations and installations and provide design decisions for improvements to platform environments.

• Assist in planning and performing Oracle and Postgres database upgrades and migrations.

• Responsible for providing day-to-day administration support and maintenance for existing and new Oracle and Postgres databases.

• Perform production level support and be part of the on call rotation when required.

• Work with Oracle and Postgres vendors and their respected support channels when required.

• Develops and implements backup strategies and performs upgrades and patching

• Identify inefficiencies in current databases and implement improved solutions.

• Designs architectures to migrate data and entire database to a new hardware (or database platform) and implements migration

• Perform production level support and be part of the on call rotation when required.

• Leads and sets direction for MasterCard’s use of best practices and application database solutions.

• Works with management to plan and implement new strategies including new tools and products that provide data services.

• Leads efforts to identify, communicate and implement new strategies and represents Data Architecture in high level planning and long term direction.

• This position will be responsible for supporting new and existing Oracle and Postgres database systems, both internally and future Cloud managed instances and will contribute in defining best practices in database administration, and introduce innovation with automation.

• Work with multiple application teams and developers.

• Assist in implementing long-term strategic goals for database development in conjunction with end users, managers, clients, and other stakeholders.

Education (preferred):

• Bachelor’s Degree in Computer Science, Information systems or equivalent experience.

About You

• Experience in the design, maintenance, and administration of Oracle and Postgres

• Highly knowledgeable of Oracle and Postgres architecture and Internals

• Proficient with Postgres monitoring and alerting tools/processes specifically PEM

• Proficient in Oracle and Postgres replication technologies

• Proficient in designing and supporting Oracle and Postgres clustered environments

• Experience in working Dataguard environment

• Excellent troubleshooting skills.

• Perform debugging, tuning and performance enhancement as well as automation of operational and continuous integration aspect of the Oracle and Postgres platforms.

• Proficient with collecting diagnostics and tuning Oracle and Postgres as well as SQL tuning

• Proficient with Oracle and Postgres procedural

• Proficient with the Linux operating system, specifically Oracle Linux Enterprise.

• Working knowledge of Data Modelling.

• Working knowledge of scripting languages, Bash, ksh, perl etc.

Due to COVID-19, most of our employees are working from home. We’ve implemented a virtual hiring process and continue to interview candidates by phone or video and are onboarding new hires remotely. We value the safety of each member of our community because we know we’re all in this together.

Mastercard is an inclusive Equal Employment Opportunity employer that considers applicants without regard to gender, gender identity, sexual orientation, race, ethnicity, disabled or veteran status, or any other characteristic protected by law.​

If you require accommodations or assistance to complete the online application process, please contact and identify the type of accommodation or assistance you are requesting. Do not include any medical or health information in this email. The Reasonable Accommodations team will respond to your email promptly.

Requisition ID: R-120876