Principal Database Engineer

Full Time
Dublin, County Dublin
Posted
Job description
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
Principal Database Engineer
Job Title:
Principal Database Engineer

Overview:
  • Provide world-class support and expertise to MasterCard’s Commercial Application Database environments.
  • Mastercard’s Database Consultants set the direction for the enterprise leadership to design and build highly scalable and efficient solutions.
  • Represent Mastercard’s Database Engineering team as a Subject Matter Expert.
  • Continually look for opportunities to create efficiency and provide expertise to integrate technologies and platforms into current environments.
  • Provide leadership and contribute to technology roadmaps to support Mastercard’s vision.

Role:
  • Demonstrates excellent verbal and written communication skills.
  • 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.
  • Acts as a “go-to” resource for all technical data engineering questions and consulting (physical database design, performance tuning, implementation etc) and have responsibility for database architecture for a business area.
  • Reviews existing configurations and installations and provide design decisions for improvements to platform environments.
  • Performs escalation support for production issues
  • Works with multiple application teams and developers.
  • Leads and sets direction for Mastercard’s use of best practices and application database solutions.
  • Supports database technologies which should ideally include (but not limited to):
Oracle, PostgreSQL, MongoDB

All About You:
  • Strong experience with large RDBMS and NoSQL databases.
  • Strong trouble shooting skills across various database technologies.
  • Strong experience with database server features and support, clustering, replication, high-availability, backups etc
  • Very Proficient with database installation, configuration, architecture and networking.
  • Very proficient with database multi-master replication solutions.
  • Very proficient with tuning queries to run efficiently on databases, particularly across large data sets.
  • Very proficient with PL/SQL and SQL.
  • Proficient with Linux.
  • Working knowledge of scripting languages, KSH, Python, Perl, etc.
  • Working knowledge of Application Architectures a plus.
  • Knowledge of Cloud Technology a plus.

Education (preferred):
  • Bachelor’s Degree in Computer Science, Information Systems or equivalent experience.
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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