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Job Information

MasterCard Database Engineer II in Dublin, Ireland

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

Database Engineer II


• Provide world-class support and expertise to all of MasterCard’s NoSQL

database environments.

• Represent MasterCard’s DBA team as a subject matter expert in the

NoSQL sub domain.

• Continually look for opportunities to create efficiencies and provide

expertise to integrate technologies and platforms into current

environments within the NoSQL sub domain.


• Excellent interpersonal communication skills.

• Forward thinking infrastructure automation and scripting skills.

• Leads in managing 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.

• The NoSQL DBA will be responsible for designing, deploying and

maintaining NOSQL database clusters that will enable and enhance

software products and systems used every day by large platforms,

applications and groups of users.

• The DBA should have advanced knowledge of some industry standard

NoSQL databases such as (MongoDB, Cassandra, Redis, CosmosDB, etc.)

Including creation and implementation of fully functional NoSQL database

clusters, ability to maintain multiple development, QA and production

NoSQL environments with strong experience in performance tuning.

• Review existing configurations and installations and provide design

decisions for improvements to platform environments.

• Assist in planning and performing NoSQL database upgrades and


• Responsible for providing day-to-day administration support and

maintenance for existing and new NoSQL databases.

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


• Work with NoSQL vendors and their respected support channels when


• This position will be responsible for supporting new and existing NoSQL

database systems, both internally and future Cloud managed instances

and will help guide best practices in database administration, and

introduce innovation with automation.

• Work with multiple application teams and developers.

• Lead and set direction for MasterCard’s use of best practices and

application NoSQL database solutions.

• Work with management to plan and implement new strategies including

new tools and products that provide data services.

• Assist in implementing long-term strategic goals for database

development in conjunction with end users, managers, clients, and other


• Implement HA solutions and define backup/recovery strategies.

• Identify inefficiencies in current databases and implement improved


Education (preferred):

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


About You

• Requires 2-5 years of related experience in the design, maintenance, and

administration of NOSQL databases (Mongo, Cassandra, Redis,

CosmosDB, etc.).

• Excellent trouble shooting skills.

• Any previous experience with Big-Data Platforms like Hadoop or Apache

Spark will be incredibly valuable.

• Previous SQL Server and/or Oracle or PostgreSQL database administration

experience is a definite plus.

• Perform debugging, tuning and performance enhancement as well as

automation of operational and continuous integration aspect of the

NOSQL platform.

• Proficient with the Linux operating system, specifically Oracle Linux


• 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.

Corporate Security Responsibility

Every person working for, or on behalf of, Mastercard is responsible for information security. All activities involving access to Mastercard assets, information, and networks comes with an inherent risk to the organization and therefore, it is expected that the successful candidate for this position 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.

Requisition ID: R-144281