Sr. Database Engineer - REF15694G

  • Singapore
  • Full-time

Company Description

Visa Inc. is a global payment technology company that connects consumers, businesses, financial institutions and governments in more than 200 countries and territories, enabling them to use digital currency instead of cash or checks. The simple yet unwavering vision has been to be the best way to pay and be paid for everyone, everywhere. 

Visa does not issue cards, extend credit or set rates and fees for consumers. Visa’s innovations enable its bank customers to offer consumers choices: Pay now with debit, ahead of time with prepaid or later with credit products. From the world’s major cities to remote areas without banks, people are increasingly relying on digital currency along with mobile technology to use their money anytime, make purchases online, transfer funds and access basic financial services. All of which makes their lives easier and helps grow economies. 

Behind the Visa brand, there is a tightknit team of about 10,000. This means each employee can make a real impact in the field that interests them, whether it is payments technology, social responsibility, engineering, financial inclusion or marketing sponsorship. Very few companies can offer its employees the global reach that Visa does. This is the power of Visa’s “My Everywhere”. 

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.

Additional Information

Common Purpose, Uncommon Opportunity. Everyone at Visa works with one goal in mind – making sure that Visa is the best way to pay and be paid, for everyone everywhere. This is our global vision and the common purpose that unites the entire Visa team. As a global payments technology company, tech is at the heart of what we do: Our VisaNet network processes over 18,000 transactions per second for people and businesses around the world, enabling them to use digital currency instead of cash and checks. We are also global advocates for financial inclusion, working with partners around the world to help those who lack access to financial services join the global economy. Visa’s sponsorships, including the Olympics and FIFA™ World Cup, celebrate teamwork, diversity, and excellence throughout the world. If you have a passion to make a difference in the lives of people around the world, Visa offers an uncommon opportunity to build a strong, thriving career. Visa is fueled by our team of talented employees who continuously raise the bar on delivering the convenience and security of digital currency to people all over the world. Join our team and find out how Visa is everywhere you want to be.

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