How You’ll Make an Impact

Epsilon is seeking a PhD Data Science Intern to join our Decision Sciences Team. As a Data Science Intern, you will apply your academic research and machine learning skills to propose effective solutions for our technology and business challenges. Your research background will determine your placement in one of our six Decision Sciences teams, each enhancing various aspects of our personalization platform. Epsilon's personalization relies on analyzing vast amounts of anonymized data online to assess a trillion advertising opportunities monthly in real-time.

Epsilon’s PhD Internship Program

As an intern, you’ll participate in a formal 12-week summer program developed to provide you with a comprehensive grasp of digital marketing and Epsilon’s personalization platform. During your internship, you’ll undertake a research project addressing a specific technology or business challenge, allowing you to apply your machine learning expertise practically. Lastly, you’ll receive mentorship and feedback to help you successfully present your findings and approach to the entire Decision Sciences department.

What You’ll Achieve

• Impact: Develop innovative solutions, with a high degree of autonomy, contributing to work that has the possibility of future integration into production systems.
• Career Growth: Apply your field of study to solve real problems with an opportunity to directly impact our business, gaining hands-on experience with internet-scale data and industry-level applications.

Who You Are

• What you’ll bring with you:
  • Currently enrolled in a PhD program with relevant coursework, research, and background in Data Science, Statistics, Computer Science, Mathematics, or related quantitative field
  • Hands-on involvement with research projects involving formulating hypotheses, exploring data, and developing models for insights
  • Established track record in developing and validating machine learning models, with a strong understanding of model performance evaluation and optimization
  • Proficiency in one or more programming languages such as Python, Scala, SQL, or R
• Why you might stand out from other talent:
  • Experience working with big data technologies such as Hadoop, Spark, Cassandra, or MPP databases
  • Proven capacity to communicate complex data science concepts, methodologies, and findings to diverse audiences
  • Ability to conduct independent research to identify and recommend the best approaches for solving complex technology and business problems

Click here to view how Epsilon transforms marketing with 1 View, 1 Vision, 1 Voice.

Base Salary: $55.00 - $60.00/hour

Actual compensation within the range will be dependent upon, but not limited to the individual’s skills, experience, qualifications, location and application employment laws. The salary pay range is subject to change and may be modified at any time.

The application deadline for this job posting is 11/16/2025.

When You Join Us, We’ll Create Something EPIC Together
Epsilon is a global data, technology and services company that powers the marketing and advertising ecosystem. For decades, we’ve provided marketers from the world’s leading brands the data, technology and services they need to engage consumers with 1 View, 1 Vision and 1 Voice. 1 View of their universe of potential buyers. 1 Vision for engaging each individual. And 1 Voice to harmonize engagement across paid, owned and earned channels.

Epsilon’s comprehensive portfolio of capabilities across our suite of digital media, messaging and loyalty solutions bridge the divide between marketing and advertising technology. We process 400+ billion consumer actions each day using advanced AI and hold many patents of proprietary technology, including real-time modeling languages and consumer privacy advancements. Thanks to the work of every employee, Epsilon has been consistently recognized as industry-leading by Forrester, Adweek and the MRC. Epsilon is a global company with more than 9,000 employees around the world.

Our pillars aren't just words. They're how we show up every day.

• People centricity: We focus on employee well-being in an environment where colleagues truly care about each other.
• Collaboration: We work together, support one another, and collectively achieve goals.
• Growth: There are endless opportunities for growth through learning, development and career advancement.
• Innovation: We drive progress through cutting-edge solutions and forward-thinking approaches.
• Flexibility: We’ve created a balance between work and personal life, and we encourage adaptability to solve problems creatively.

Our values guide us to create value for our clients, our people and consumers.

• Act with integrity
• Work together to win together
• Innovate with purpose
• Respect all voices
• Empower with accountability

These pillars and values are our foundation—shaping our culture, guiding our decisions, and uniting us in common purpose.

Because You Matter

As an Epsilon employee, you deserve perks and benefits that put you, your family and your finances first.  Our benefits encompass a wide range of offerings, including but not limited to the following:  

• Time to Recharge: Flexible time off (FTO), 15 paid holidays
• Time to Recover: Paid sick time  
• Family Well-Being: Parental/new child leave, childcare & elder care assistance, adoption assistance  
• Extra Perks: Comprehensive health coverage, 401(k), tuition assistance, commuter benefits, professional development, employee recognition, charitable donation matching, health coaching and counseling  
  
  

Epsilon benefits are subject to eligibility requirements and other terms. 

Epsilon is an Equal Opportunity Employer.  Epsilon’s policy is not to discriminate against any applicant or employee based on actual or perceived race, age, sex or gender (including pregnancy), marital status, national origin, ancestry, citizenship status, mental or physical disability, religion, creed, color, sexual orientation, gender identity or expression (including transgender status), veteran status, genetic information, or any other characteristic protected by applicable federal, state or local law. Epsilon also prohibits harassment of applicants and employees based on any of these protected categories. Epsilon will provide accommodations to applicants needing accommodations to complete the application process. Please reach out to LeaveofAbsence@epsilon.com to request an accommodation.

For San Francisco Bay and Los Angeles Areas: Epsilon will consider for employment qualified applicants with criminal histories in a manner consistent with the City of Los Angeles’ Fair Chance Initiative for Hiring Ordinance and San Francisco Police Code Sections 4901-4919, commonly referred to as the San Francisco Fair Chance Ordinance. Applicants with criminal histories are welcome to apply.

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