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Analytics

Senior Marketing Spend Advisor - Marketing Efficiency for Growth

Job ID: 104132
  • San Jose
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Do you want to work on complex and pressing challenges—the kind that bring together curious, ambitious, and determined leaders who strive to become better every day? If this sounds like you, you’ve come to the right place.

Your Impact

In this role, you will handle data by cleaning, validating, and summarizing it, primarily in Excel, using tools such as VLOOKUP, merging multiple data sources, and validating outputs with Pivot tables and charts.
You will upload data into our proprietary tools and convert marketing data into high-value analysis to drive insights and recommendations for our clients.
You will transfer numbers from proprietary tools to standardized presentations, perform sanity checks on the numbers, and ensure quality and accuracy. Additionally, you will automate analyses and recurring, standardized tasks using Excel formulas or Tableau workflows.
You will collaborate with solution leadership, product, and engineering teams to suggest solution improvements, conduct user acceptance testing, and provide feedback on new features. You will also train and support clients and client service teams (CSTs) on the effective use of the solution.
Lastly, you will work with the client delivery team on projects, discussing key insights, addressing questions about analytical recommendations, and supporting ongoing business processes by delivering high-quality end products on time.
This role offers a unique opportunity to combine McKinsey’s highly professional environment with the entrepreneurial spirit and dynamism of a start-up.
You will join the MEG (Marketing Efficiency for Growth) solution team, based in our San Jose, Costa Rica office, within the Growth Marketing & Sales Practice. In this role, you will collaborate with experienced solution and integrative consulting colleagues who are deeply passionate about creating innovative and impactful products for our end users in the client marketing organization, including Chief Marketing Officers (CMOs) and Brand Managers.
MEG represents the productization of McKinsey's approach to evaluating marketing spend, diagnosing inefficiencies, and recommending strategies to reinvest funds for growth. Over the past four years, our solution has been instrumental in serving 235 clients, including many iconic and marquee brands.
Our mission is to create the "Marketing Operating System of the Future"—a comprehensive approach to help clients navigate the complexities of modern marketing. With the proliferation of channels and suppliers, rising customer expectations, increasing media costs, and heightened market volatility, we aim to address critical challenges and unlock missed opportunities for our clients.

Your Growth

Driving lasting impact and building long-term capabilities with our clients is not easy work. You are the kind of person who thrives in a high performance/high reward culture - doing hard things, picking yourself up when you stumble, and having the resilience to try another way forward.
In return for your drive, determination, and curiosity, we'll provide the resources, mentorship, and opportunities you need to become a stronger leader faster than you ever thought possible. Your colleagues—at all levels—will invest deeply in your development, just as much as they invest in delivering exceptional results for clients. Every day, you'll receive apprenticeship, coaching, and exposure that will accelerate your growth in ways you won’t find anywhere else.
When you join us, you will have:
  • Continuous learning: Our learning and apprenticeship culture, backed by structured programs, is all about helping you grow while creating an environment where feedback is clear, actionable, and focused on your development. The real magic happens when you take the input from others to heart and embrace the fast-paced learning experience, owning your journey.
  • A voice that matters: From day one, we value your ideas and contributions. You’ll make a tangible impact by offering innovative ideas and practical solutions. We not only encourage diverse perspectives, but they are critical in driving us toward the best possible outcomes.
  • Global community: With colleagues across 65+ countries and over 100 different nationalities, our firm’s diversity fuels creativity and helps us come up with the best solutions for our clients. Plus, you’ll have the opportunity to learn from exceptional colleagues with diverse backgrounds and experiences.
  • World-class benefits: On top of a competitive salary (based on your location, experience, and skills), we provide a comprehensive benefits package to enable holistic well-being for you and your family.

Your qualifications and skills

  • 3+ years of relevant experience in data analytics, marketing, research etc. Knowledge of or exposure to the marketing domain is a plus
  • Strong expertise in handling large amounts of data
  • Proficiency in Excel (including advanced features, functions, formulas) and VBA. Knowledge of other data analytics tools (Python, SQL, R, Power BI, Tableau etc) is a plus
  • Expertise in PowerPoint and Thinkcell
  • Self-motivated with a strong sense of problem-solving, ownership, and an action-oriented mindset
  • Ability to work under pressure and demonstrate flexibility/adaptability
  • Proven track record of strong problem-solving, requirement gathering, and leading by example
  • Collaborative mindset with the ability to work well within teams across continents and time zones
  • Ability to thrive in a fluid and demanding environment where priorities evolve constantly
  • Capability to manage multiple client projects in parallel and execute tasks per instructions and guidance
  • Excellent written and verbal communication skills in English
Please review the additional requirements regarding essential job functions of McKinsey colleagues.
Our unwavering commitment to integrity drives everything we do, guiding us to always act in the best interests of our clients, our people, and the communities we serve.
Capabilities
  • Marketing & Sales
Apply Now Apply Later

FOR U.S. APPLICANTS: McKinsey & Company is an Equal Opportunity employer. All qualified applicants will receive consideration for employment without regard to sex, gender identity, sexual orientation, race, color, religion, national origin, disability, protected Veteran status, age, or any other characteristic protected by applicable law.

FOR NON-U.S. APPLICANTS: McKinsey & Company is an Equal Opportunity employer. For additional details regarding our global EEO policy and diversity initiatives, please visit our McKinsey Careers and Diversity & Inclusion sites.

Job Skill Group - N/A
Job Skill Code - SCAA - Senior Capabilities and Insights Analytics Analyst
Function - Marketing & Sales
Industry -
Post to LinkedIn - Yes
Posted to LinkedIn Date - Wed Dec 17 00:00:00 GMT 2025
LinkedIn Posting City - San Jose
LinkedIn Posting State/Province -
LinkedIn Posting Country - Costa Rica
LinkedIn Job Title - Senior Marketing Spend Advisor - Marketing Efficiency for Growth
LinkedIn Function - Analyst;Consulting;Marketing
LinkedIn Industry - Management Consulting;Market Research
LinkedIn Seniority Level - Mid-Senior level