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 13,000 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.

Data Scientist
 
Visa operates the world's largest retail electronic payments network and is one of the most recognized global financial services brands.  Visa facilitates global commerce through the transfer of value and information among financial institutions, merchants, consumers, businesses and government entities.
 
We offer a range of branded payment product platforms, which our financial institution clients use to develop and offer credit, charge, deferred debit, prepaid and cash access programs to cardholders.  Visa's card platforms provide consumers, businesses, merchants and government entities with a secure, convenient and reliable way to pay and be paid in more than 200 countries and territories.
  
Behind the Visa brand are more than 9,000 talented employees who continuously raise the bar with innovative solutions and products that deliver the convenience and security of digital currency to more people all over the world.
 
Overview:
 
Information security is an integral part of Visa’s corporate culture.  It is essential to maintaining our position as an industry leader in electronic payments, and it is the responsibility of each and every employee to safeguard information, protect it from unauthorized access, and ensure regulatory compliance.  Information security has a significant effect on privacy, consumer confidence, external reputation, and/or the bottom line, and it is a priority on everyone’s agenda.
 
The successful candidate will part of Visa Security Analytics program and design, develop and implement statistical and machine learning anomaly detection models in the Hadoop ecosystem. Visa Security Analytics (VSA) program has an enterprise security focus, and is responsive to evolving threat landscape, regulatory compliance, IT security requirements and technology architecture. The VSA program is part of cyber security organization, handles long-term retention for security system logs and security sensor logs.
 
This position based in Foster City, California.
 

• Will be a part of the Security Analytics group and will primarily focused on entire data science life cycle activities.


• Cyber security use case requirement gathering, perform large-scale data analysis and develop effective statistical and machine learning models for improving Cybersecurity capabilities at VISA.


• Work closely with Data Engineering team to proactively deploy data science models and making models operational.


• Responsible for all the data scientist model development life – analysis, design, build, test, deploy and operationalization.


• Suggest improvements in the tools and techniques to help scale the team always look out for continuous improvement from technology and process perspective


• The successful candidate should be adoptive to the Visa's agile environment

Requirements/Qualifications:

• 10+ years of professional experience is a must. 


• MS or PhD degree in a quantitative discipline (applied mathematics, statistics, computer science, operations research, or related field) from a leading academic institution


• Expert knowledge of an analysis tool such as R,SAS or Matlab


• Comfortable on the command line and with Unix core tools


• Strong Programmer - Python, Perl, Java, and/or C++. Experience with relational database (SQL, PL*SQL) is a plus


• Experience working with distributed computing tools a plus (Hadoop, PIG, etc.)


• Thorough knowledge of supervised and unsupervised modeling techniques.


• Comfort analyzing large, complex, high-dimensional datasets


• Strong passion for empirical research and answering hard questions with data

Visa will consider for employment qualified applicants with criminal histories in a manner consistent with the requirements of Article 49 of the San Francisco Police Code.

All your information will be kept confidential according to EEO guidelines.