Senior Account Manager

Acosta

Senior Account Manager leading experiential marketing programs for Mosaic, an agency creating human-centered brand experiences. Managing client partnerships, budgets, cross-functional teams, program execution, and account growth.

Posted 8/5/2026full-timeRemote • California, Illinois, New York, Washington • 🇺🇸 United StatesSenior💰 $90,000 - $95,000 per yearWebsite

Core Competencies

Role fit

Core Competencies

Use this summary to align your resume positioning with the role.

Demonstrates expertise in experiential marketing and account management, with a strong focus on budget management, project execution, and client relationship building. Proven ability to lead cross-functional teams and deliver integrated marketing strategies that align with client objectives.

Highest-signal resume keywords

Experiential MarketingBudget ManagementProject ManagementClient Relationship ManagementB2B/B2C Program Leadership

ATS Keywords

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Applicant Tracking System Keywords

Tip: use these terms in your resume and cover letter to boost ATS matches.

Hard Skills

Project PlanningProposal DevelopmentForecastingStatus Document CreationScope Development

Soft Skills

Exceptional CommunicationStrategic ThinkingOrganizational SkillsDecision-MakingTeam Motivation

Industry Keywords

Integrated MarketingEvent MarketingAgency Account ManagementCross-Functional Team ManagementClient Partnerships

About the role

Key responsibilities & impact

Serve as the primary day-to-day client contact and trusted advisor across assigned accounts
Build long-term client partnerships by understanding business objectives, industry trends, and marketing priorities
Anticipate client needs and recommend solutions and opportunities
Lead client meetings, presentations, status updates, and program reviews
Lead planning and execution of experiential programs from kickoff through final reporting
Manage multiple projects to ensure delivery on time, on budget, and on strategy
Develop timelines, workbacks, scopes of work, status documents, and project plans
Coordinate with creative, strategy, operations, production, staffing, analytics, and finance teams
Translate client business goals into experiential marketing strategies
Contribute to program ideation and integrated marketing initiatives
Own program budgets, forecasting, reconciliations, and profitability
Develop estimates, scopes, and client proposals
Monitor project financial health and support efficiency, growth, and revenue expansion
Mentor and coach junior team members
Foster cross-department collaboration and support talent development
Identify opportunities to expand client relationships and introduce agency capabilities
Support proposals, pitches, and business development initiatives

Requirements

What you’ll need

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
Ability to build trust with clients and become their go-to partner
Ability to manage multiple priorities without sacrificing quality
Ability to communicate clearly and confidently with executives and event staff
Ability to keep complex projects organized and moving forward
Ability to navigate ambiguity and find solutions
Ability to maintain composure and positivity in fast-moving environments
Ability to bring people together and motivate teams

Benefits

Comp & perks

Equal opportunity employer
Reasonable accommodations for applicants with disabilities
Remote work arrangement