Assistant Media Planner, Client Orchestration

Posted 2 Days Ago
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Santa Monica, CA, USA
In-Office
Entry level
AdTech • Agency
The Role
Supports media strategy and planning through research, competitive analysis, budgeting, campaign pacing, reporting, optimization, and client presentations. Maintains timelines, status documents, flowcharts, invoices, and campaign plans while coordinating with investment teams, publishers, vendors, and cross-agency partners. Uses media research, measurement, billing, and tracking platforms to support accurate campaign execution. This entry-level role requires organization, communication, foundational math, attention to detail, collaboration, and the ability to manage multiple brand priorities.
Summary Generated by Built In

Why You’ll Never Want to Leave 


Respect People. Produce Results.
 
For more than 35 years, we’ve built a reputation for both the work we do and how we do it.
 
Respect shows up in how we work together and with our clients. It means trusting people to do their jobs, giving them the space to do it well, and holding each other to a high standard. Because when people are respected, they do better work, work that grows businesses, shapes culture, and builds relationships that last. And just as important, they have the support to build a career and a life worth investing in.

Who You’ll Be Collaborating With 

Every day, you’ll be teaming up with a diverse, enthusiastic, multi-disciplinary team of professionals with a smart sense of humor and a strong desire to grow and develop. 

Job Summary

The Assistant Media Planner is responsible for supporting the Strategy team across client and cross-agency work. This role helps support planning decisions through the use of tools, research, and data, while assisting with recurring deliverables, ad hoc projects, plan activity, client-facing presentations, and cross-team collaboration. This is an entry-level role, but relevant internships, prior agency experience in media or full-service advertising, and/or academic coursework related to marketing or media are a plus.

What You’ll Be Working On 


  • Own and maintain recurring documents, including monthly budgets and flowcharts.
  • Track team deadlines and maintain internal and client-facing status documents.
  • Pull research and data to support the planning process, using tools such as MRI-Simmons, NMI, and ComScore.
  • Manage and review competitive data pulls and insight analysis on a monthly, quarterly, and ad hoc basis.
  • Assist with strategic recommendations and client-facing presentations under Supervisor guidance.
  • Support campaign optimization recommendations and performance troubleshooting under Supervisor guidance.
  • Track day-to-day cross-team communications to help ensure projects are completed on time.
  • Reconcile fee invoices and work with investment teams to ensure billing is completed accurately.
  • Pull campaign pacing and metrics to ensure investments are running properly, including through platforms such as CM360 and Innovid.
  • Work with investment teams to manage timelines, keep plans up to date and accurate, and support mid-flight and post-delivery reporting.
  • Assist with digital direct campaign plan creation and set up campaigns across billing and tracking platforms, including IAS, CM360, and Prisma.
  • Evaluate publisher proposals and assess opportunities against campaign objectives and performance goals.
  • Coordinate and own scheduling for publisher and external vendor meetings while maintaining professional partner relationships on behalf of the agency.
  • Support additional ad hoc requests and projects as needed.

How You’ll Excel In Your Role 


  • You’re comfortable using Microsoft Office Suite, including Excel, PowerPoint, Word, and Teams.
  • You’re organized, detail-oriented, efficient, and able to prioritize work to meet deadlines while balancing two brand needs at once.
  • You’re a quick learner who can connect the dots and see the bigger picture.
  • You bring a personable, positive, and respectful attitude to the workplace.
  • You’re collaborative, team-oriented, proactive, and inquisitive.
  • You take initiative to problem solve and raise your hand for additional work when the day-to-day is under control.
  • You have foundational math skills, including calculating percentages and indices.
  • You communicate clearly and professionally, both verbally and in writing.
  • Familiarity with media planning, advertising, MediaOcean/Prisma, Vivvix/Pathmatics, eTelmar, MRI-Simmons, NMI, ComScore, eMarketer, Innovid, IAS, and CM360 is a plus.

We are unable to offer employment visa assistance for this role.

The hourly rate for this position is $20.00, with an annualized equivalent of $36,400.00. The pay for this role is non-negotiable.

Consistent with applicable law, compensation will be determined based on the skills, qualifications, and experience of the applicant along with the requirements of the position. The Company reserves the right to modify this pay range at any time.

As an Equal Opportunity Employer, at RPA we hire without consideration to race, religion, creed, color, national origin, age, gender, sexual orientation, marital status, veteran status, disability, or any other classification protected by federal, state, or local law.



Skills Required

  • Relevant internship, prior agency experience in media or full-service advertising, or academic coursework related to marketing or media
  • Proficiency with Microsoft Office Suite, including Excel, PowerPoint, Word, and Teams
  • Ability to stay organized, detail-oriented, efficient, and meet deadlines while balancing multiple brand needs
  • Foundational math skills, including calculating percentages and indices
  • Clear and professional verbal and written communication skills
  • Collaborative, proactive, inquisitive, and team-oriented approach
  • Ability to learn quickly, prioritize work, solve problems, and take initiative
  • Familiarity with media planning and platforms including MediaOcean/Prisma, Vivvix/Pathmatics, eTelmar, MRI-Simmons, NMI, ComScore, eMarketer, Innovid, IAS, and CM360
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The Company
HQ: Santa Monica, CA
1,222 Employees
Year Founded: 1986

What We Do

RPA is a modern ad agency with a timeless perspective: People First. We create work that matters to people, for brands that matter to people, in an environment where people matter. Our #PeopleFirst culture attracts the best talent in the business. We are a collective of specialists, with deep benches of talent in nearly every discipline a modern marketer needs today. All collaborating together with a shared philosophy and shared goal. If you share that goal, we want to connect with you.

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