We are Assembly, a leading global omnichannel media agency that merges data, talent, and technology to catalyze growth for the world's most esteemed brands. Our holistic approach weaves together compelling brand narratives with a comprehensive suite of global media capabilities, driving performance and fostering significant business expansion. Our initiatives are powered by STAGE, our proprietary operating system, and executed by a dedicated global team of over 3,000 professionals across 44 offices worldwide. Committed to purposeful action, we lead the way in social and environmental impact within the agency realm. As a proud member of Stagwell, the challenger network designed to revolutionize marketing, Assembly continues to set new standards of excellence.
ICYMI: Assembly was named Campaign’s 2025 Most Innovative Agency and Sustainability Standout and 2024 Media Agency of the Year. Our innovative work has also earned prestigious accolades, including The Webby Awards, Effies, and Cannes Lions.
Assembly is looking for a Coordinator, Client Experience (Assistant Media Planner) in developing, executing, and monitoring media plans for assigned clients. You will be responsible for gathering and organizing data required to develop strategy and media plans to deliver client work.
Builds rapport with key internal teams
Understands the importance of deadlines and works to ensure deadlines are met with continuous follow-up with manager
Supports Senior Manager and Associate Manager in media plan development and makes necessary revisions to tactical media plans to ensure they are up to date.
Understands the role of each media channel and its contribution to marketing
Prompt communication between Finance and Activation for billing and reconciliation
Works in collaboration with Research Team on competitive reporting
Assists in researching media opportunities
Researches and contributes to POVs
Set up client in all planning and finance systems/tools
Supports billing which includes monthly vendor invoice reconciliation; creating monthly client billing invoice packets; reviewing activation team buy entries for accuracy; monitoring client aging reports and requests late payment updates; investigating vendor inquiries due to late payment
Track project tasks and work closely with internal teams and shared Project Manager to manage processes efficiently
Lead contact in organizing and trafficking assets to meet planned deadlines.
Ensures flow charts are created and updated in a timely manner.
Manage communication and delegation between team members
In collaboration with team members, helps set agenda for all calls and distributes action items afterwards (works with PM)
Excellent written and verbal communication skills
Excellent organizational and time management skill
Strong communication skills
Mathematical aptitude and attention to detail
Solid research and analytical skills
Ability to organize, prioritize, work well under pressure with multiple assignments; meet tight deadlines and multi-task
Ability to work independently but also be a team player
Comfortable interfacing with clients
Experience with Excel and PPT skills strongly preferred. Prior internships within media or agency a plus
Why Assembly?
At Assembly, we believe every career is as unique as the individual and empower employees to reach their full potential in a winning culture motivated by a powerful purpose.
Assembly is an advocate for equal opportunity in the workplace. We are committed to ensuring equal opportunities regardless of race, color, religion, sex, national origin, sexual orientation, age, citizenship, marital status, gender identity, status as a protected veteran, among other things, or status as a qualified individual with disability. We also consider qualified applicants regardless of criminal histories, consistent with legal requirements. If you have a disability or special need that requires accommodation, please let us know. EEO Employer M/F/Vet/Disabled.
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