Senior Client Growth Manager - Microsoft Advertising

About Aleph

Aleph is a global leader accelerating digital advertising, and fintech solutions across more than 130 high-growth markets. With more than 20 years of experience and strategic partnerships with over 50 of the world's leading digital platforms, Aleph connects media, payments, and local market expertise to enable platforms and businesses to grow and operate globally with speed and compliance. With teams in more than 90 offices worldwide, Aleph combines global scale with deep local execution. Beyond business impact, Aleph drives digital inclusion through its education initiative, Digital Ad Expert, member of UNESCO’s Global Skills Academy.

Join our team in Buenos Aires as a Senior Client Growth Manager and grow revenue across a portfolio of Microsoft Advertising (formerly Bing Ads) clients. This is an account management and performance marketing role for someone who pairs strong SEM (paid search) expertise with a commercial mindset. You will turn campaign performance into incremental revenue by helping performance agencies and advertisers reach their goals consistently. You will be the trusted advisor clients rely on, connecting their ambitions with the Microsoft Advertising solutions that deliver results.

What You Will Do

Grow revenue

• Manage a portfolio of key accounts and drive incremental revenue through new budgets, expanded campaigns, and new Microsoft Advertising solutions.
• Build account growth plans for each client, with clear targets, opportunities, and next steps.
• Pitch new solutions and improvements, backed by data, that connect directly to client goals.

Be a strategic advisor

• Develop a thorough understanding of each client’s business needs, objectives, and performance targets (ROAS, CPA, CPL, and others).
• Build trusted, long-term relationships with decision-makers at performance agencies and advertisers.
• Advise on campaign strategy, budget allocation, measurement approach, and optimization.

Deliver performance

• Review and optimize large-budget SEM (paid search) and other performance campaigns, and help clients achieve consistent results.
• Guide clients on attribution models, experiment design (A/B testing), and conversion tracking (pixels, MMPs, SDKs).
• Resolve client issues quickly and put solutions in place that prevent them from recurring.

Connect clients and teams

• Act as the communication link between key clients and internal teams.
• Prepare regular progress reports and forecasts for internal and external stakeholders.
• Provide sales forecasts and market updates to Aleph management.

What We Are Looking For

• 5+ years of experience in one or more of these roles, or similar ones:

• Key account manager (Gerente / Ejecutivo de Cuentas) at a leading performance marketing agency.
• Account manager at a major advertising platform (for example Google or Meta).
• Performance specialist (paid search, SEM, paid media) in a marketing team.
• Customer success manager at a marketing technology company.

Skills and experience:

• Experience running sophisticated SEM campaigns with large budgets (for example on Google Ads or Microsoft Advertising).
• Experience running other performance campaigns, with objectives such as ROAS, CPA, and CPL.
• Solid knowledge of attribution models and experiment design.
• Hands-on knowledge of conversion tracking, including pixels, MMPs, and SDKs.
• A proactive, commercial mindset.
• Strong problem-solving skills and a willingness to learn.
• Analytical acumen and attention to detail.
• Fluency in Spanish and English, written and spoken.
• Proficiency in Excel, Google Sheets, PowerPoint, and Google Slides.
• Desirable: Google Analytics, Tag Manager, MMPs (for example AppsFlyer or Adjust), and Looker Studio.

Why Join Aleph

• Impact: Own the growth of key accounts and see your work translate directly into revenue and client results.
• Growth: Build your career at senior level, with access to world-class training and workshops on digital advertising.
• Team culture: Work in a collaborative, international, and inclusive team that values initiative and open collaboration.
• Market context: Buenos Aires is an active digital advertising market where demand for search and performance expertise is growing as businesses invest in online channels.
• Flexibility: A hybrid work model ([X] days per week in our Buenos Aires office) that supports your work-life balance.
 

Aleph is a place of many cultures, perspectives, and talents. We support each other, creating an environment of giving and receiving. We value partnership and communication because we believe it takes a group of people to achieve great things. We are energized by our ever-changing industry, and our curiosity keeps us learning and seeking out new opportunities.

We stay flexible and adaptable, and believe in moving with the speed of change. We encourage everyone to strive for more, providing our internal talent with growth opportunities and the ability to learn together.

We use Lever, our recruitment management platform, which includes AI-powered features that may assist our hiring team in reviewing applications, analyzing CVs, and identifying relevant qualifications. These tools support, but do not replace, human judgement. All hiring decisions are made by people. For more information about how your personal data is processed, including your rights in relation to AI-assisted processing, please see our Candidate Privacy Policy or contact us at [email protected].