INTERNSHIP DETAILS

Marketing Science Intern

CompanyCritical Mass
LocationChicago
Work ModeOn Site
PostedFebruary 18, 2026
Internship Information
Core Responsibilities
The intern will gain understanding of how Marketing Science contributes to client offerings, learning day-to-day activities and assisting in developing innovative products and deliverables. A major objective is to perfect existing skills and learn new measurement methods and tools for data capture, assembly, and organization.
Internship Type
full time
Company Size
1847
Visa Sponsorship
No
Language
English
Working Hours
40 hours
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About The Company
We’re Critical Mass. We are 2,000 inspired humans across 14 offices, setting the right path—not just the next one—for our clients, their customers, and our own colleagues. We work with the best, Apple, Adobe, BMW, Nike, Diageo, Airbnb, BNY and many more, to power connected ecosystems that make brands stand out by driving performance with data, technology, AI, creative and media. We’re a global marketing agency founded in Canada, but digital is our home. If you know us, then you know we’re a special place that attracts big talent and tiny egos. We’re driven, uncompromising and we live our values. We’re Critical Mass, but our friends call us CM. Learn more at criticalmass.com.
About the Role

Critical Mass' Internship opportunities are part of our Trailhead Program and will provide a 12-week jump-start to your career. The program is a fast-track to launch your career through regular learning opportunities, mentorship, client work exposure, while also getting paid. We aim to show you all the amazing work we do here at Critical Mass, and to support you as part of the team! You will have the opportunity to try the digital agency world through multiple internship and client projects to see if it's for you! 

Our Internship will run from May 26 – August 14. 


As the Marketing Science Intern you will gain understanding of all aspects of how Marketing Science contributes to Critical Mass’ client offerings. You will learn about the day-to-day activities of the marketing science program and assist in developing innovative products and deliverables. The major objective is to perfect existing skills, learn and understand new measurement methods and tools used to capture, assemble and organize data into something meaningful.

You Will:

  • Collaborate with other interns on a client and global intern project. 
  • Use web analytics, social, survey, and mobile measurement tools
  • Develop tagging requirements, test and perform data quality assurance
  • QA, identify issues, document and debug code and software issues working with Tech team
  • Use Excel, Tableau, or DW/BI reporting system management
  • Test software management and develop testing strategies
  • Develop and analyze segmentation data, social media data, survey responses, market share information, web behavioral analysis
  • Generate reporting and analysis, interpreting web analytics
  • Use statistical analysis / data science tools like R, Python, or SPSS
  • Analyze site traffic, search, and e-commerce analysis
  • Have experience with A/B or multivariate testing results analysis
  • Assist in analysis presentation development (story telling with data), internal and client team presentation of analysis

You Have:

  • An interest in digital marketing and how organizations use social media in their campaigns
  • Proficiency with Excel
  • Excellent attention to detail and naturally strong memory
  • Experience using the scientific method
  • The skill of learning
  • Active listening skills
  • Solution-oriented thinking capabilities
  • Good communication and writing skills
  • Currently in 2nd or 3rd year of a 4-year degree or 1st year of a 2-year specialization program

 

What We Offer

  • Vacation, compassionate leave, wellness days, and flex days
  • Hybrid work options
  • Summer Fridays (off at 3:00 PM local time every Friday)
  • Diversity and Inclusion Board with 13 affinity groups
  • Enterprise-wide employee discounts

 

The Talent Team at Critical Mass is focused on ensuring we provide the best training, onboarding, and employee experience possible! Our new hires & employees are the future of our organization, and we want to set you up for long-term success. In an effort to do so, we expect our team to work from an office a minimum of 3 days a week. The ask stems from our want to:


Strengthen opportunity for continuous learning.
Improve collaboration and team relationships.
Increase employee engagement.

We continually review ranges to address skills, experience and markets. Base salaries are determined during our interview process, by assessing a number of factors that include, but aren’t limited to, a candidate’s experience and skills relative to the scope and responsibilities of the position. For current CM employees, tenure will also be a consideration.
Salary Range
$21$21 USD

Critical Mass is an equal opportunity employer. 

Critical Mass uses artificial intelligence in our recruitment process to enhance job postings, filter keywords during the review of prospective candidates, and, in some cases, transcribe interviews with our recruiters. Human review remains central to the process, and all hiring decisions are ultimately made by our team.

The Critical Mass Talent Acquisition team will only communicate from email addresses that use the URLs criticalmass.com, omc.com and us.greenhouse-mail.io. We will not use apps such as Facebook Messenger, WhatsApp, or Google Hangouts for communicating with you. We will never ask you to send us money, technology, or anything else to work for our company. If you believe you are the victim of a scam, please review your local government consumer protections guidance and reach out to them directly.

If U.S. based: https://www.consumer.ftc.gov/articles/job-scams#avoid
If Canada based: https://www.canada.ca/en/services/finance/consumer-affairs.html
If U.K. based: https://www.gov.uk/consumer-protection-rights
If Costa Rica based: https://www.consumo.go.cr/educacion_consumidor/consejos_practicos.aspx 

Key Skills
Web AnalyticsSocial MediaSurveyMobile MeasurementData Quality AssuranceExcelTableauBI ReportingTesting StrategiesSegmentation DataStatistical AnalysisData ScienceRPythonSPSSA/B Testing
Categories
MarketingData & AnalyticsScience & ResearchConsultingCreative & Media
Benefits
VacationCompassionate leaveWellness daysFlex daysEmployee discounts