Sr. Account Manager

AcostaDallas, TX

About The Position

Mosaic is an experiential agency that focuses on creating human-centered experiences to connect brands and consumers. They are looking for a Senior Account Manager who excels in fast-paced environments, client relationship building, and executing ideas flawlessly. This role involves leading experiential marketing programs, managing client relationships, guiding internal teams, overseeing budgets, and ensuring high standards of creativity, operational excellence, and measurable impact. The position requires a blend of strategic thinking, hands-on execution, and strong relationship management.

Requirements

  • 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 strong attention to detail.
  • Confidence making decisions and taking ownership of outcomes.

Responsibilities

  • Serve as the primary day-to-day client contact and trusted advisor across assigned accounts.
  • Build strong, long-term partnerships by understanding client business objectives, industry trends, and marketing priorities.
  • Anticipate client needs and proactively recommend solutions and opportunities.
  • Lead client meetings, presentations, status updates, and program reviews.
  • Help clients navigate challenges while maintaining positive, productive relationships.
  • Lead the planning and execution of experiential programs from kickoff through final reporting.
  • Manage multiple projects simultaneously, ensuring work is delivered on time, on budget, and on strategy.
  • Develop program timelines, workbacks, scopes of work, status documents, and project plans.
  • Coordinate seamlessly with creative, strategy, operations, production, staffing, analytics, and finance teams.
  • Identify risks early and develop solutions before they become problems.
  • Translate client business goals into actionable experiential marketing strategies.
  • Contribute to program ideation and development with insights grounded in consumer behavior and business objectives.
  • Help shape integrated programs that connect experiential efforts with broader marketing initiatives.
  • Own program budgets, forecasting, reconciliations, and profitability.
  • Develop estimates, scopes, and client proposals.
  • Monitor project financial health and identify opportunities for efficiency and growth.
  • Partner with leadership to support revenue growth within assigned accounts.
  • Mentor, coach, and support junior team members.
  • Foster collaboration across departments and create an environment where great work can thrive.
  • Lead by example through accountability, positivity, and a solutions-oriented mindset.
  • Support talent development and contribute to Mosaic's culture of continuous learning and improvement.
  • Identify opportunities to expand client relationships and introduce additional agency capabilities.
  • Support proposal development, pitches, and business development initiatives as needed.
  • Actively contribute ideas that help grow both client partnerships and agency success.
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