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Salary
$55k – $60k per year
Location
Hybrid (Chicago, United States)
Seniority
Junior · 1+ year exp
Employment
Full-Time

Confirmed on the employer's own hiring board on Nov 5, 2026. First seen by Alion on Nov 3, 2026. Omnicom scores B on the Alion truth index.

Overview
Company
Impact
Profile match
Omnicom is a global marketing and communications holding company headquartered in New York that owns advertising, media, precision marketing, public relations, healthcare and commerce agencies. Formed in 1986 and listed on the New York Stock Exchange, it runs networks such as BBDO, TBWA, Omnicom Media and Omnicom Health, and in 2025 it completed the acquisition of Interpublic Group, which added McCann and IPG Mediabrands. Its openings cover paid social and search, strategy, account and client finance, project management and human resources roles, concentrated in New York, Chicago, Los Angeles, London and Toronto.

Agency:

Critical Mass

Job Function:

Media

Job Subfunction:

Media Planning and Buying

Job Description:

We are seeking an Assistant Social Buyer to join our Media team in New York. This position is responsible for providing support to the Media team across all aspects of paid Social. Job responsibilities include the usage of Social platforms tools and data to activate campaigns as one part of multichannel media plans; collaborating amongst the team to launch social media campaigns and stewarding buys to ensure they meet their defined KPIs.

We’re looking for a positive addition to our team; someone who is looking to dive in, learn and grow and help us further our media efforts at MRM. In return, we offer an environment that is challenging, creative and supports individual professional development.

Our team members collaborate with account services, strategy, creative and data & analytics teams daily and gain exposure to a wide variety of marketing programs. MRM Media offers an exciting opportunity to learn about marketing across sectors, and types of programs (awareness, engagement, conversion), while increasing depth of experience in your focus area.

Key responsibilities will include:

· Assisting in developing tactical media plans that include audience, creative and other strategies designed to meet the goals of a given campaign.

· Coordinating with cross-functional teams to manage the media trafficking and billing processes.

· Collaborating with the social team to analyze and determine recommended partners.

· Launching and QAing paid social campaigns on platforms that may include, Facebook, Instagram, TikTok, Snapchat, Pinterest and LinkedIn .

· Providing input on placement naming convention and trafficking strategy.

· Supporting in the creation of performance reports, extract actionable insights, i.e. explaining the why behind the data, and recommend optimizations.

· Keeping a finger on the pulse of media and marketing trends, tactics and emerging opportunities, especially amongst the social channels

Required Skills:

· 1 year media experience through a full-time role or internships

· Solution-oriented, inquisitive, persistent, detailed, creative, collaborative

· Strong verbal/written communication

· High energy and ability to produce high-quality work quickly

· Expertise in managing numbers - if you can whip through an Excel you’ve got an ace in your pocket

· Working knowledge of Word and Powerpoint

Salary Range: $55,000 - $60,000 USD

To the extent permissible by local law, Omnicom’s policy requires employees to work in the office for a minimum of three days a week, unless additional in-office days are directed by their agency or manager.

Omnicom is committed to hiring and developing exceptional talent. We agree that talent is uniquely distributed, and we’re focused on developing inclusive teams that can bring the best solutions to everything we do. We strongly believe that celebrating what makes us different makes us better together. Join us-we look forward to getting to know you. We will process your personal data in accordance with our Recruitment Privacy Notice.

Link to Recruitment Privacy Notice: https://www.omc.com/privacy-notice

For US Job Seekers:

It is the policy of Omnicom and any of its affiliates to provide equal employment opportunities to all employees and applicants for employment without regard to race, religion, color, ethnic origin, gender, gender identity, age, marital status, veteran status, sexual orientation, disability, or any other basis prohibited by applicable federal, state, or local law. EOE/AA/M/D/V/F.

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