Job Description

Marketing Science Senior Analyst

San José, Costa Rica

As a Marketing Science Senior Analyst, you will co-lead the design and execution of measurement strategies, advanced analytics, and content intelligence programs that drive media performance in B2B environments.

You will partner with stakeholders to translate business objectives into KPIs, build scalable frameworks, and deliver actionable insights that optimize campaigns across creation and progression. Your expertise in data science, reporting, and testing ensures that marketing investments are measurable, transparent, and continuously optimized. 

You will:

Measurement Strategy 

• Build and maintain measurement frameworks mapping campaign objectives to KPIs. 

• Assess current measurement approaches and recommend updates aligned with media plans. 

• Establish baselines using historical data and ensure governance protocols are documented. 

• Share updated frameworks with stakeholders to inform insights, learnings, and optimizations. 

Content Intelligence & Insights

• Deliver regular insights and optimization recommendations (monthly cadence). 

• Support Quarterly Business Reviews with reporting and analysis. 

• Provide creative and media optimization recommendations. 

• Develop recap deliverables for prioritized campaigns and key moments. 

Advanced Analytics 

• Conduct analyses aligned to the Learning Agenda (e.g., forecasting, correlation studies, brand sentiment, ad- fatigue). 

• Build descriptive and inferential statistical models to evaluate campaign effectiveness. 

• Develop machine learning models for personalization, lead scoring, and progression analysis. 

Learning Program 

• Design and scale a structured Learning Agenda across media activities. 

• Build testing frameworks (A/B/M/V) and deliver test readouts. 

• Document best practices and maintain a centralized Learning Library dashboard. 

Data & Dashboards 

• Build and manage unified data foundations integrating campaign, programmatic, partner, and brand study data. 

• Establish anomaly detection mechanisms and QA processes. 

• Design and maintain dashboards (campaign performance, programmatic/social, partner data, brand studies). 

• Ensure taxonomy alignment across data sources and reporting views. 

Tagging, Trafficking & Taxonomy 

• Consult on tagging, trafficking, and UTM requirements to ensure measurement consistency. 

• Generate and manage Creative IDs (CID) database. 

• Support QA processes and flag trafficking issues based on anomaly detection. 

Collaboration & Leadership 

• Provide direction to associate analysts and analysts. 

• Contribute analytics content for proposals, pitches, and thought leadership initiatives. 

• Partner with stakeholders to align measurement, insights, and optimization priorities. 

You have:

• B.S. degree in a quantitative or technical field (Economics, Mathematics, Computer Science, Business, etc.) 

• 3–5 years of experience leading analytics deliverables in media marketing science, ideally within B2B contexts. 

• Expertise in analytics platforms (Adobe Analytics, Adobe Experience Platform, Google Analytics, enterprise analytics tools, tag management systems). 

• Strong proficiency in Python, R, SQL, or other statistical programming languages. 

• Experience with ETL/data integration, automated reporting pipelines, and anomaly detection. 

• Skilled in data visualization platforms (Tableau, PowerBI). 

• Familiarity with machine learning techniques applied to media performance and personalization. 

• Experience analyzing B2B digital channels (paid search, display, CRM-driven campaigns, ABM (Account based marketing) platforms. 

• Understanding SEM, CRM, and account-based marketing integration within broader media strategies. 

• Knowledge of market research techniques and their application to media optimization. 

This role ensures that media marketing science is directly tied to business outcomes. By building robust measurement frameworks, delivering content intelligence, and driving advanced analytics, you will empower enterprise clients to optimize campaigns, enhance customer experiences, and achieve measurable growth in B2B markets. 

What We Offer:

• Global maternity and parental leave
• Work-life balance
• Competitive benefits packages
• Vacation, compassionate leave, wellness days, and flex days
• Access to online services for families and new parents
• Diversity and Inclusion Board with 13 affinity groups
• Internal learning and development programs
• Asociación Solidarista - You can join voluntarily

“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 understand that not everyone may feel comfortable with this expectation, so we ask that you please let us know immediately if there are any concerns so we can help navigate accordingly.”

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.comand 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