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 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 - Cassandra

[Overview]

• Provide world-class support and expertise to all of MasterCards Cassandra and NoSQL database environments.
• MasterCards Database Engineers build highly available, scalable and efficient NoSQL database solutions following standards and security policies.
• Represent MasterCards Data Architecture 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.
• Contribute to technology roadmaps to support MasterCards vision for all NoSQL 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?

[Role]

• Excellent interpersonal communication skills.
• Forward thinking infrastructure automation and scripting skills.
• Manage clients expectations and communicates proactively.
• Excellent knowledge on different database technologies and appropriate use cases.
• 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 Cassandra DBA will be responsible for deploying and maintaining Cassandra 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 knowledge of some industry standard NoSQL databases such as (MongoDB, Cassandra, Redis, etc.) Including creation and implementation of fully functional NoSQL database clusters, ability to maintain multiple development, QA and production NoSQL environments with experience in performance tuning.
• In depth knowledge on Cassandra data modelling.
• Review existing configurations and installations and provide design decisions for improvements to platform environments.
• Assist in planning and performing NoSQL database upgrades and migrations.
• 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 required.
• Work with NoSQL vendors and their respected support channels when required.
• This position will be responsible for supporting new and existing Cassandra 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.
• Contribute in defining best practices and application NoSQL database solutions.
• Assist in implementing long-term strategic goals for database development in conjunction with end users, managers, clients, and other stakeholders.
• Implement HA solutions and define backup/recovery strategies.
• Identify inefficiencies in current databases and implement improved solutions.

Education (preferred):

• Bachelors Degree in Computer Science, Information systems or equivalent experience.

[About You]

• Requires 10 years of related experience in the design, maintenance, and administration of NOSQL databases and atleast 4 years of working experience in cassandra.
• Excellent troubleshooting skills.
• Ability to understand the business problem and identify appropriate database solution by working along with application teams.
• Should have working experience in build Highly available and fault tolerant database infrastructure.
• 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 Enterprise.
• Working knowledge of Data Modelling and different database technology use cases.
• Working knowledge of scripting languages, Bash, ksh, perl etc.
• Working knowledge in CI/CD tools such as Chef/Ansible is required.

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 Mastercards 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 Mastercards guidelines.

Mastercard