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Assistant Digital Media Buyer

USIM is seeking an Assistant Digital Media Buyer in our Irvine, CA office. USIM is the fastest growing independent media agency providing best-in-class integrated media solutions to our clients. Every day and with every challenge, USIM Practices the Art of Human Sense – blending cutting-edge research and technology with ingenuity, human insight and creativity, delivered in a seamless experience for our client partners.

Key Areas of Responsibility

An Assistant Digital Media Buyer will input, update, actualize and reconcile media campaigns. This position is essential in the day-to-day management of media campaigns and requires an individual who works well in a team-based, fast-paced, detail-oriented environment.

  • Input / update media buys in media buying software (SBMS)
  • Maintain media partner and client files
  • Compare media plans to campaign delivery reports
  • Actualize media buys monthly based on campaign reporting and media contracts.
  • Resolve media partner billing discrepancies
  • Facilitate the timely collection of invoices from media partners
  • Gain an increased understanding of digital campaign management, including the digital media buying process
  • Maintain professional, productive rapport with account managers, media partners, and internal groups


  • Ability to perform in a fast paced environment with dynamic job responsibilities and priorities
  • Accuracy/attention to detail in all facets of communication and documentation
  • Strong customer service orientations and ability to collaborate
  • Excellent oral and written communication skills
  • Demonstrated proficiency of Microsoft Office Suite, most importantly Excel
  • Exceptional time management skills, work ethic and high sense of urgency
  • Demonstrates critical thinking
  • Strong math and analytic skills
  • Ability to learn software and tools
  • Digital marketing, ad agency or media planning/buying, a plus


  • BA/BS in Advertising, Marketing, Business, Accounting, Economics or related field

USIM offers flexible benefits and compensation packages that allow our employees to make choices that fit their individual lifestyles. Some of our benefits include:

  • Competitive salary
  • Health/dental/vision insurance
  • Business casual dress code
  • Paid holidays, sick and vacation
  • 401k

USIM is one of the fastest-growing, full-service media management companies in the United States.

USIM is an Equal Opportunity Employer.