Data Scientist

Visa; Austin (TX); Hybrid; USD 124,000 - 191,000; Full time

Job summary

Visa is seeking a data science professional to join the Cyber Threat Analytics and Research (CTAR) team in a hybrid role. You will build and deploy machine learning models on large-scale data, apply GenAI for threat triage, and collaborate across data scientists and engineers to strengthen security capabilities.

Expect to work with cutting-edge tech and diverse data sources. The role emphasizes practical ML/DL implementation, data engineering collaboration, and clear communication with

Qualifications

• 2+ years of relevant work experience with a Bachelor's degree, or 5+ years with equivalent work experience.
• 3+ years with a Bachelor’s or more than 2 years with an Advanced Degree (e.g. Masters, MBA, JD, MD).
• Experience with Generative AI/LLM, AI agents.
• Solid background in building ML, DL and AI models.
• Excellent understanding of algorithms and data structures; proficient in Python and SQL.
• Experience with large datasets using Hadoop, Spark, or Hive.
• Strong analytical and problem-solving abilities; team player and able to navigate ambiguity.

Responsibilities

• Analyze cyber event logs using Spark and big data technologies to derive deeper product insights with advanced ML methods.
• Formulate cyber threat scenarios into technical data problems and build high-fidelity models to detect unseen threats.
• Develop deep learning models for user behavior profiles, including data collection, feature engineering, model development, and deployment.
• Conduct feature engineering on diverse data sources to enrich the feature store.
• Use GenAI to auto-triage anomalous user behavior by gathering necessary context.
• Use GenAI to create agentic agents that enhance cyber investigation efficiency.
• Collaborate with data scientists and data engineers to deliver analytics software and security capabilities through automation.
• Contribute to the overall direction and lifecycle management of Visa Information Security architecture and technology.
• Communicate data-driven insights clearly to end users, leadership, and stakeholders.

Skills

ML/AI modeling

Python

SQL

Big data

Communications

Team collaboration

Education

Bachelor's degree in a relevant field

Master's degree or higher preferred

Tools

Hadoop

Spark

Hive

Job description

About Us

Visa is a world leader in payments technology, facilitating transactions between consumers, merchants, financial institutions and government entities across more than 200 countries and territories, dedicated to uplifting everyone, everywhere by being the best way to pay and be paid. At Visa, you'll have the opportunity to create impact at scale — tackling meaningful challenges, growing your skills and seeing your contributions impact lives around the world. Join Visa and do work that matters – to you, to your community, and to the world. Progress starts with you.

Job Description

As part of Cyber Threat Analytics and Research team (CTAR) , you will leverage cutting-edge technologies to perform statistical profiling, inference, classification, clustering and predictive analysis. As a key member of the technical team, you will create and implement sophisticated machine learning models to help derive new insights to defend against cyber-attacks. You will be working with a large variety of data sets, cutting-edge security technologies, and world-class operation teams to create awesome analytics for security and other business units.

Your Responsibilities Include

• Analyze cyber event logs using Spark and big data technologies and develop deeper insights into products using advanced ML methods.
• Formulate cyber threat scenarios into technical data problems and develop high fidelity models to capture unseen threats.
• Devise and implement deep learning models for building user behavior profiles. This includes data acquisition, feature engineering, model development, and deployment.
• Conduct feature engineering on various data sources to build and enrich feature store.
• Use GenAI to auto triage anomalous user behavior by collecting all necessary contexts.
• Use GenAI to create agentic agents that enhances cyber investigation efficiency.
• As a member of the CTAR team, you will work closely with other data scientists and data engineers to build, design, engineer, and develop analytical software and services that deliver security functionality and improve security efficiency and capabilities through automation.
• Assist in shaping overall direction, life-cycle management, and leadership for Information Security architecture and technology related to Visa.
• Communicate clean and persuasive data directly to end users, leadership, and other stakeholders, technical and non-technical.

This is a hybrid position. Expectation of days in office will be confirmed by your hiring manager.

Visa requires at least 3 days in office, expectations of these days will be confirmed by your Hiring Manager.

Qualifications

Basic Qualifications

• 2+ years of relevant work experience and a Bachelors degree, OR 5+ years of relevant work experience Preferred Qualifications
• 3 or more years of work experience with a Bachelor’s Degree or more than 2 years of work experience with an Advanced Degree (e.g. Masters, MBA, JD, MD)
• Less than 2 years’ relevant work experience with bachelor’s degree or less than 1 year relevant work experience with master’s degree in data science, mathematics, statistics, economics, computer science, engineering, or other related business or quantitative discipline is required.
• Solid background and hands on experiences with building Machine learning, deep learning and AI models.
• Experience with Generative AI/LLM, AI agents.
• Excellent understanding of algorithms and data structures and proficiency in Python and SQL.
• Experience working with large datasets using tools and Hadoop, Spark, or Hive.
• Excellent analytic and problem-solving capability combined with ambition to solve hard problems.
• Strong communications skills and ability to collaborate.
• Highly driven, resourceful and results oriented.
• Good team player and excellent interpersonal skills.
• Demonstrated ability to lead and navigate through ambiguity.

Information for US Applicants

For roles located in the US, the estimated salary range for this position is $123,700.00 to $ 191,300.00 USD per year, which may include potential sales incentive payments (if applicable). Salary may vary depending on job-related factors which may include knowledge, skills, experience, and location. In addition, this position may be eligible for bonus and equity.Visa has a comprehensive benefits package for which this position may be eligible that includes Medical, Dental, Vision, 401(k), FSA/HSA, Life Insurance, Paid Time Off, and Wellness Program.

Work Hours

Varies upon the needs of the department.

Travel Requirements

This position requires travel 5-10% of the time.

Mental/Physical Requirements

This position will be performed in an office setting. The position will require the incumbent to sit and stand at a desk, communicate in person and by telephone, frequently operate standard office equipment, such as telephones and computers.

Visa is an EEO Employer

Qualified applicants will receive consideration for employment without regard to race, color religion, sex, national origin, sexual orientation, gender identity, disability or protect veteran status. Visa will also consider for employment qualified applicants with criminal histories in a manner consistent with the EEOC guidelines and applicable local law.