Data Science Analyst

Position Summary We are looking for a Data Science Analyst to join our growing data science practice. In this role, you will support the development and delivery of quantitative models and analyses across a portfolio of marketing clients, including predictive modeling, regression analysis, and statistical work spanning media, pricing, and promotional data. This is a great entry point for someone with a strong statistics background who wants to apply analytical skills in a fast-paced, client-service environment. Key Responsibilities - Build and maintain data science models such as Marketing Mix Models using regression-based techniques, working with weekly or monthly time-series data across media, pricing, and promotional variables. - Conduct data validation, cleaning, and QA on client-provided datasets to ensure model-ready inputs. - Run statistical analyses including adstock transformations, diminishing returns curves, and decomposition outputs. - Support model documentation and prepare structured outputs (Excel workbooks, charts, summary tables) for internal and client review. - Collaborate with senior team members on methodology decisions and model refinement. - Contribute to internal tooling and process improvements as the team scales. Desired Skills & Experience - Bachelor's or Master's degree in Statistics, Mathematics, Economics, Data Science, or a related quantitative field. - Strong foundation in statistical modeling, particularly regression analysis and time-series methods. - Comfort working in Python or R for data manipulation, modeling, and visualization (pandas, statsmodels, scikit-learn, or equivalent). - Familiarity with concepts such as multicollinearity, heteroscedasticity, model fit diagnostics, and variable selection. - Attention to detail and the ability to work carefully through large, messy datasets. - Clear written communication skills for documenting analytical work. - Exposure to Bayesian methods or hierarchical modeling. - Experience with marketing data (media spend, impressions, GRPs) or consumer datasets. - Prior internship or academic project experience in an applied analytics setting. What we offer - Hands-on experience working across multiple industry verticals and client types. - A collaborative, learning-focused team environment with senior mentorship. - Exposure to the full MMM lifecycle, from data intake through to client delivery. - Competitive compensation and benefits. Why Join Omnicom Media Canada At Omnicom Media Canada, careers are designed for growth. We’ve purposefully crafted a transformative talent experience built with accountability in action - focused on community, impact, and opportunity. Community - We build a culture where our people show up for each other, grow together, and win together. Impact - Your work creates real outcomes — for clients, for the business, and for the industry. Opportunity - We give you the runway, resources, and support to keep rising — on your terms and at your pace. Omnicom Media Canada is dedicated to cultivating a workplace that not only respects but actively champions Inclusion, Diversity, and Equity through Action (IDEA). This commitment ensures our workforce reflects the rich cultural mosaic of Canada, shaping how our teams, leadership, and client relationships thrive. This is an active vacancy. We are currently hiring for this role and reviewing applications on an ongoing basis. Expected Salary: $55,000 - $65,000 Omnicom Media is providing the compensation range that the company is willing to pay for this position based on the successful applicant’s education, experience, knowledge, skills and abilities. In addition, Omnicom Media provides rewarding offerings such as: • Generous paid time off with a minimum of 37 paid days off including vacation and monthly wellness days. We also have four-day long weekends, half-day summer Fridays, and meeting-free Friday afternoons year-round. • A flexible hybrid work model that works for you. • A focus on personal development with formal training opportunities, including mental health training and inclusion education for everyone. • A chance to be part of and grow within a global network of agencies. • The opportunity to contribute to our company culture by joining one of our many community-based employee groups, such as Black Employee Network, Girls on Fire, Hispanic or Latinx Alliance, Neuro Network, Pan-Asian Network, and Rainbow Lounge. Omnicom is an equal opportunity employer, committed to providing equal employment opportunities to all employees and applicants without regard to race, colour, ethnicity, gender, age, religion, creed, national origin, sexual orientation, gender identity, marital status, citizenship, genetic information, disability, or any other basis prohibited by applicable federal, provincial, or municipal law. If you require an accommodation in any aspect of the selection process, please reach out to canadatalent@mbww.com