Senior, Client Services Analyst

What you'll do

• Own the day-to-day management of strategic client accounts, ensuring successful campaign execution and delivery against business objectives
• Partner with Sales during the pre-sales process by supporting media planning, campaign strategy, audience recommendations, forecasting, and feasibility assessments for new business opportunities
• Develop strategic media recommendations that align with client objectives, budget, KPIs, and available solutions across Epsilon's portfolio
• Act as the primary point of contact for complex campaign, product and technical inquiries, coordinating cross-functional teams to drive resolution
• Monitor campaign performance, pacing, delivery and KPIs, proactively identifying optimization opportunities and communicating actionable recommendations throughout the campaign lifecycle
• Create, analyze and present campaign reports, translating performance data into meaningful business insights and recommendations for clients and internal stakeholders
• Prepare comprehensive post-buy analyses that evaluate campaign performance against objectives, highlight key learnings, and identify opportunities for future optimization
• Ensure timely and accurate reporting throughout the campaign lifecycle, delivering clear performance updates and executive-ready summaries to clients and internal teams
• Partner closely with Sales to support client retention, expansion opportunities and overall account growth
• Identify operational inefficiencies and drive improvements through process optimization, documentation and automation
• Mentor junior team members by sharing best practices, providing guidance on complex accounts, and contributing to onboarding and team development
• Support regional initiatives that improve operational excellence and elevate the overall client experience across LATAM

Requirements

• 5+ years of experience in Client Services, Account Management, Digital Media, AdTech or MarTech
• Strong experience managing complex digital advertising campaigns across multiple clients simultaneously
• Proven experience working directly with enterprise clients, agencies or strategic accounts
• Experience supporting media planning, campaign strategy, audience recommendations, forecasting, and feasibility assessments for digital marketing campaigns
• Strong analytical skills with the ability to translate campaign data into business insights and actionable recommendations
• Experience with programmatic advertising platforms, ad servers, DSPs or digital marketing technologies
• Strong troubleshooting and problem-solving skills, with the ability to independently manage complex client situations
• Experience collaborating with cross-functional teams including Sales, Product, Technology and Operations
• Demonstrated ability to identify opportunities for process improvement and operational efficiencies
• Experience mentoring or coaching junior team members is highly valued
• Excellent organizational and project management skills
• Advanced Spanish and professional English proficiency (B2+ or above)
• Self-starter with a high level of ownership, accountability and attention to detail
• Collaborative mindset with excellent communication and stakeholder management skills

Tech stack

Benefits