Coordinator, Client Experience

Assembly Global; California (MO); Hybrid; USD 40,000 - 50,000; Full time

Benefits offered by this job

Flexible Time Off

Hybrid work model

Impact Champions

Employee Resource Groups

Stagwell network

Job summary

Assembly is seeking a Coordinator, Client Experience (Assistant Media Planner) to develop, execute, and monitor media plans for assigned clients. You will gather and organize data to support strategy, present insights, build rapport with internal teams, and ensure deadlines are met with proactive follow-up.

This role offers a hybrid in-office/remote policy with growth opportunities. The company emphasizes collaboration, client impact, and measurable results across campaigns, with a focus on

Qualifications

• Strong communication skills and client-facing experience.
• Detail-oriented with solid research and analytics.
• Able to organize, prioritize, and meet tight deadlines.
• Works well under pressure with multiple assignments.
• Independent worker who also thrives in a team.
• Proficient with Excel and PowerPoint; internship in media/agency a plus.

Responsibilities

• Develops and monitors media plans for assigned clients.
• Gathers and organizes data to inform strategy.
• Builds rapport with internal teams and manages deadlines.
• Assists in media plan development and revisions as needed.
• Understands the role of each media channel and its contribution to marketing.
• Supports billing, invoicing, and reconciliations.
• Collaborates with Research Team on competitive reporting.
• Traffics assets to meet planned deadlines.

Skills

Strong communication

Analytical skills

Attention to detail

Deadline management

Team collaboration

Client interfacing

Independent worker

Multitasking

Tools

Excel

PowerPoint

Job description

About Us

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. Follow us on LinkedIn and Instagram !

Overview

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 .

Responsibilities

• 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

Qualifications

• 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

Benefits

Why Assembly?

• We care about your growth – we offer competitive salaries and annual compensation reviews
• We recognize and celebrate your success…all the time! Whether it’s through company meetups, employee recognition programs, or just a regular day, we make sure our people’s achievements are known and appreciated
• We’re truly a people-first organization. That’s why we offer a Flexible Time Off policy that puts you in control of your work-life balance, as well as market-leading primary and secondary caregiver and parental leave policies
• We have a hybrid in-office/remote working policy that focuses on bringing people together in-person when it’s needed most, i.e., team strategy brainstorms, learning & development opportunities, and company meetings
• We care about social and environmental Impact – we have dedicated Impact Champions who collaborate globally to make sure we’re leaving the world better than we found it
• We have an amazing group of Employee Resource Groups who form close knit communities and are committed to guiding the agency to become more inclusive, diverse, and representative of the world around us
• We’re part of Stagwell, the challenger network built to transform marketing. We’re nimble and digital-first, and we’re quickly growing to take on the biggest legacy hold cos

Equal Opportunities

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.

Compensation (Text Only)

In order to comply with equal pay and salary transparency laws in various locations, we believe the target range of base compensation in all locations within the United States for this role is $ 40,000-50,000. Actual compensation is influenced by a wide array of factors including but not limited to skill set, level of experience, and location.