Experiential Marketing Senior Account Manager

Acosta Group; Chicago (IL); On-site; USD 90,000 - 95,000; Full time

Job summary

Mosaic Sales Solutions US Operating Co, LLC is seeking a Senior Account Manager to lead experiential programs from brief through execution, manage client relationships, guide internal teams, oversee budgets, and ensure every deliverable meets Mosaic's standards for creativity and impact.

The ideal candidate has 7+ years in experiential marketing or agency account management, with strong budgeting, forecasting, and communication skills to drive successful client partnerships.

Qualifications

• 7+ years of experience in experiential marketing, event marketing, integrated marketing, agency account management, or related fields.
• Previous agency experience managing cross-functional teams and client relationships.
• Proven success leading B2B and/or B2C experiential programs.
• Strong budget management, forecasting, and proposal development experience.
• Exceptional verbal, written, and presentation skills.
• Excellent organizational, project management, and prioritization abilities.
• Strategic thinking combined with executional excellence.
• Confidence making decisions and taking ownership of outcomes.

Responsibilities

• Lead the planning and execution of experiential programs from kickoff through final reporting.
• Manage multiple projects, ensuring on-time, on-budget, and on-strategy delivery.
• Develop program timelines, scopes of work, and project plans.
• Coordinate with creative, strategy, operations, production, staffing, analytics, and finance teams.
• Mentor and lead junior team members and foster cross‑functional collaboration.
• Identify opportunities to expand client relationships and new agency capabilities.

Skills

Experience in experiential marketing

Agency account management

Client relationship building

Budget management

Forecasting

Proposal development

Strategic thinking

Communication skills

Job description

Mosaic Sales Solutions US Operating Co, LLC is seeking a Senior Account Manager to lead experiential programs from brief through execution, manage client relationships, guide internal teams, oversee budgets, and ensure every deliverable meets Mosaic's standards for creativity and impact.

The ideal candidate has 7+ years in experiential marketing or agency account management, with strong budgeting, forecasting, and communication skills to drive successful client partnerships.