Sr. Database Engineer - REF19548Z

  • Full-time
  • Job Family Group: Technology and Operations

Company Description

As the world’s leader in digital payments technology, Visa’s mission is to connect the world through the most creative, reliable and secure payment network - enabling individuals, businesses, and economies to thrive. Our advanced global processing network, VisaNet, provides secure and reliable payments around the world, and is capable of handling more than 65,000 transaction messages a second. The company’s dedication to innovation drives the rapid growth of connected commerce on any device, and fuels the dream of a cashless future for everyone, everywhere. As the world moves from analog to digital, Visa is applying our brand, products, people, network and scale to reshape the future of commerce.

At Visa, your individuality fits right in. Working here gives you an opportunity to impact the world, invest in your career growth, and be part of an inclusive and diverse workplace. We are a global team of disruptors, trailblazers, innovators and risk-takers who are helping drive economic growth in even the most remote parts of the world, creatively moving the industry forward, and doing meaningful work that brings financial literacy and digital commerce to millions of unbanked and underserved consumers.

You’re an Individual. We’re the team for you. Together, let’s transform the way the world pays.

Job Description

At the heart of Visa lies a secure, global payments processing network that for 40 years has empowered people, businesses and governments in over 200 countries. It is in the midst of profound change, innovating like never before and transforming and refreshing the technology assets to set the foundation for the next several decades.

 

Within Technology, Infrastructure division provides best-in-class infrastructure services that are secure, scalable, continuous available. It architects, builds and maintains secure and reliable data centers, systems and networks to support the business functionality that Visa provides to payment industry stakeholders. 

 

The Database team is part of Infrastructure’s Distributed Systems Division and is responsible for delivering open system database infrastructures with operational excellence, being the industry leader in preventive and predictive operations driven by continuous innovation through selfheal and automated ecosystems, architecting, engineering, and building the reliable, scalable, secure, available, and cost-effective database infrastructure solutions for product development partners; working closely with them to use database products to the best, meeting various workload requirements, being transactional, analytical, non-relational, or data warehouse.

 

The team is the technology owner of multiple RDBMS and NoSQL technologies, is responsible to strategize, advance, and engineer enterprise solution for automated build/patching and efficient administration, that meet security, availability, performance, fast delivery and reporting requirements, and to support projects and products using these technologies

Responsibilities 

Support Database Platform Engineering in the architecture, development and deployment of NoSQL technologies like Redis, MongoDB, Cassandra in high SLA environments. This includes, but is not limited to, advanced to expert engineering and implementation of the following:

  • Manage, support and maintain database technology and infrastructure, adhering to the architectural guidelines and policies.
  • Database administration for off the shelf and internally developed applications, ensure continuous 24x7 operation and availability in support of mission critical business applications.
  • Install, maintain and upgrade of NoSQL databases.
  • Write/maintain OS level scripts for DB and application maintenance.
  • Provide technical expertise and hands-on support in consolidation and migration of databases to new hardware and platforms.
  • Physical implementation of databases, storage structures, high-availability solutions, replication, and disaster recovery solutions.
  • Proactive and reactive performance analysis, monitoring, troubleshooting and resolution of escalated Level 2 and Level3 issues.
  • Regular database capacity planning related to database growth and system utilization, trend analysis, predictive future database resource requirements, and the structured organized reporting of the same.
  • Work closely with other Infrastructure engineering, product development, business operations, and technical operations to ensure delivery of database services within the SLA's and performance targets.
  • Participate in the evaluation, selection and implementation of DBA tools to improve the effectiveness of tasks such as performance monitoring and tuning, recovery, and database change management processing.
  •  Ability to work well as a team and as an individual with minimal supervision.

Qualifications

* Bachelors/Degree in Computer Science or other technology field is necessary.

* 5-7 years of DBA experience, generally with  Database and  NoSQL technologies.

* Strong knowledge and extensive experience with NoSQL technologies (REDIS/Mongo DB/Cassandra) is mandatory and good understanding about distributed systems architecture.

* Should have strong UNIX platform skills and understanding of network, storage, tiered application environments and security.

* Sound knowledge of all UNIX and REDIS, MongoDB, Cassandra and other NoSQL databases.

* Should have strong UNIX platform skills and understanding of network, storage, tiered application environments and security.

* Proficiency in writing automation procedures, functions and packages for administration and application support.

* Must have extensive experience installing, cloning, patching and upgrading Redis or MongoDB, Cassandra and the underlying technology stack.

* Strong knowledge of operating systems, scripting languages, data modeling and business intelligence tools.

* Good interpersonal skills along with effective communication (both written and verbal) skills.

* Demonstrated ability to solve complex systems and database environment issues.

* Demonstrate ability to work in a complex organization to determine business and customer needs, providing the best solution to meet those needs.

* Work experience in a Financial Institute will be preferred.

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