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Media Assistant

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Onsite

Media Assistant

Mayo Seitz Media

Media Assistant

9 days ago

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Important information


Contract type:

Permanent

Location:

Conshohocken, PA 19428, USA

Work mode:

Onsite

Published on:

13 October 2026

What they need


The Media Assistant is an entry-level position that provides the foundational learning necessary to become an integrated media planner at the agency. This individual works closely with the strategy team to facilitate media research and analysis, develop media recommendations, create client presentation materials, and service client accounts. This position requires a working knowledge of the media discipline of advertising and an aptitude for working with numbers.

The ideal candidate will have a passion for advertising and a tenacious drive to succeed. Strong written and verbal communication skills are needed to be successful in this role, as are exceptional organizational skills. Candidates should be adaptable to working independently or in a team structure. Relevant internship or related full-time experience is preferred.

Duties and Responsibilities

  • Work with vendors to obtain pricing information and client-specific proposals.
  • Develop media planning spreadsheets that summarize all available media options, corresponding pricing, availability, etc. for consideration in plan development.
  • Review secondary research to help inform target audience, geography, media channel selection, etc., as well as monitor competitive activity within assigned client categories.
  • Create and maintain media flowcharts that reflect flighting, delivery, and spend, along with corresponding budget sheets and mechanical spec sheets.
  • Enter print, outdoor, place-based, and digital buy details into internal platforms.
  • Monitor paid media schedules to ensure activity appears in-market as ordered.
  • Facilitate the implementation of added value elements negotiated with paid media schedules.
  • Act as a billing liaison for the account team, collect and distribute vendor invoices as well as validate that billed amounts match media orders.

Qualifications and Requirements

  • Bachelor’s degree in advertising, marketing, communications, or a related field.
  • Proficiency in the Microsoft Office suite of products.
  • Self-motivated with a strong work ethic.
  • Effective time management skills with capacity to handle multiple tasks.
  • Desire to excel in a demanding, evolving agency culture that is fast-paced, dynamic, and fun.

MayoSeitz Media is an equal opportunity employer and provides equal employment opportunities to all qualified individuals without regard to race, color, religion, sex, gender identity, sexual orientation, pregnancy, age, national origin, physical or mental disability, military or veteran status, genetic information, or any other protected classification.

If interested in any open positions, please send your cover letter and resume to [email protected] indicating the position in the subject line.

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