---
title: 'Senior Media Associate, AdOps at Critical Mass'
canonical: 'https://feeny.ai/job/senior-media-associate-adops-critical-mass-san-jose-xz0n04cdyf5x'
type: 'job'
last_seen: '2026-09-11'
---

# Senior Media Associate, AdOps at Critical Mass

- **Company:** Critical Mass
- **Location:** San Jose, CA
- **Posted:** 2026-08-12
- **Last confirmed live:** 2026-09-11
- **Apply:** https://job-boards.greenhouse.io/criticalmass/jobs/8073182

## Job description

## Role

As a Senior Media Associate - Ad Operations Specialist you’ll own the end-to-end trafficking, QA, and campaign launch process across digital media channels. You’ll thrive in a fast-paced environment, enjoy solving technical challenges, and take pride in delivering flawless campaign execution.

You'll work closely with media teams, vendors, and platform partners to ensure campaigns are launched accurately, pixels and tags fire correctly, and every detail is optimized for success.

You will:

- Own the QA process, from campaign set up to launch and maintenance.
- Work with third party vendors to verify creative updates and rotations.
- Work with external partners to troubleshoot campaign issues.
- Ensure pixels and tags are firing properly on campaign landing pages.
- Manage your deadlines and workflow.
- Own the quality and consistency of your deliverables.

Experience:

- Foundational knowledge of GMP and Social platforms
- An understanding of dynamic Ad serving (Dynamic Creative Optimization)
- A basic understanding of how testing gets set-up
- Fundamental skills in standard and rich media Ad trafficking software for display, video, mobile, search, and other emerging channels
- Experience in how pixels and tags are set up in a tag manager using if/then logic
- The ability to transform Ads into their granular components for reporting purposes
- Transfer your knowledge of trafficking upstream to assist in the population of the trafficking documents to pass off to media teams
- Able to work with minimal supervision while maintaining focus and productivity
- Govern in some capacity all the above technical requirements according to an agency SOP
- Ability to multi-task and meet deadlines, while paying attention to details
- Ability to work effectively under stressful situations and tight deadlines
- Excellent project management, planning, and organizational skills
- Strong problem-solving skills
- Ability to work independently and seek help when needed
- Flexibility in a constantly changing environment

What we offer:

- Maternity and parental leave extra days
- Competitive benefits packages
- Vacation, compassionate leave, sick days, and flex days
- Access to online services for families and new parents
- Diversity and Inclusion Board with 12 affinity groups
- Internal learning and development programs
- Enterprise-wide employee discounts
- And more…

At Critical Mass, we value our employees and offer competitive compensation and benefits packages.  If you’re looking for a challenging and rewarding opportunity to make a significant impact on the lives of our employees, we encourage you to apply for this exciting position today!

The Talent Team at Critical Mass is focused on ensuring we provide the best training, onboarding, and employee experience possible! Our new hires & employees are the future of our organization, and we want to set you up for long-term success. In an effort to do so, we expect our team to work from an office a minimum of 3 days a week.

The ask stems from our want to:

- Strengthen opportunity for continuous learning
- Improve collaboration and team relationships.
- Increase employee engagement

This work model balances the need for individual flexibility while maintaining the relentless customer focus we provide at CM. We understand that not everyone may feel comfortable with this expectation, so we ask that you please let us know immediately if there are any concerns so we can help navigate accordingly.

Critical Mass is an equal opportunity employer.

Critical Mass uses artificial intelligence in our recruitment process to enhance job postings, filter keywords during the review of prospective candidates, and, in some cases, transcribe interviews with our recruiters. Human review remains central to the process, and all hiring decisions are ultimately made by our team.

The Critical Mass Talent Acquisition team will only communicate from email addresses that use the URLs criticalmass.com, omc.com and us.greenhouse-mail.io. We will not use apps such as Facebook Messenger, WhatsApp, or Google Hangouts for communicating with you. We will never ask you to send us money, technology, or anything else to work for our company. If you believe you are the victim of a scam, please review your local government consumer protections guidance and reach out to them directly.

If U.S. based: https://www.consumer.ftc.gov/articles/job-scams#avoid If Canada based: https://www.canada.ca/en/services/finance/consumer-affairs.html If U.K. based: https://www.gov.uk/consumer-protection-rights If Costa Rica based: https://www.consumo.go.cr/educacion_consumidor/consejos_practicos.aspx

## About Critical Mass

## Company Overview
- **One-liner**: Critical Mass is a digital experience design agency that creates connected digital ecosystems for global brands through design, technology, data, and AI.
- **Entity Type**: Private (subsidiary of Omnicom Group Inc., a publicly traded holding company)
- **Headquarters**: Calgary, Alberta, Canada
- **Founded**: 1996
- **Founders**: Not publicly available

## Core Business
- **Primary industry**: Advertising Services / Digital Experience Design & Marketing
- **Target customers**: B2B, Enterprise (serves globally renowned brands such as Apple, Adobe, BMW, Nike, Diageo, Airbnb, and BNY)
- **Mission or purpose statement**: “We create connected digital ecosystems through design and technology” – powering brand differentiation with performance driven by data, technology, AI, creative, and media.

## Products & Services
- **Intelligence & Insights**: Data-driven research and analytics to uncover customer behavior and market opportunities.
- **Brand & Creative**: Strategy, visual identity, and storytelling across digital and traditional channels.
- **Experience Design**: User experience (UX) and interface design for web, mobile, and connected products.
- **CRM & Loyalty**: Customer relationship management programs and loyalty platform design.
- **Social**: Social media strategy, content creation, and community management.
- **Technology**: Custom software development, platform engineering, and system integration.
- **Data & AI**: Advanced analytics, machine learning models, and AI-powered personalization.
- **Performance Marketing**: Paid search, social advertising, and programmatic media buying.
- **Media**: Media planning, buying, and optimization across channels.
- **Automation**: Marketing automation and workflow orchestration solutions.

## Market Standing
- **Valuation/Market Cap**: Not disclosed (subsidiary of Omnicom Group Inc.)
- **Key Metric**: Annual Revenue of $300M (2024‑2025 data)
- **Notable Investors/Partners**: Parent company Omnicom Group Inc. (NYSE: OMC); key clients include Apple, Adobe, BMW, Nike, Diageo, Airbnb, BNY Mellon.
- **Growth Signals**: Headcount of ~1,448 employees (LinkedIn, 2025) with +6.9% YoY growth; 12–14 offices across North America, Europe, Latin America, and Asia; award wins – Fast Company’s 100 Best Workplaces for Innovators, Digiday’s Most Innovative Agency; in-house development program for emerging talent (no experience required).

## Competitive Advantages
- **Global footprint** with offices in 13+ countries enabling cross‑market campaigns.
- **Award‑winning creative and technical capabilities** recognized by industry peers.
- **Deep client relationships** with iconic brands across multiple verticals (tech, auto, luxury, finance).
- **In‑house development program** for emerging talent, lowering the barrier to entry and building a pipeline of skilled practitioners.
- Culture described as “big talent and tiny egos,” emphasizing collaboration and low politics.

## Strategic Focus
- Continued investment in **AI, data, and automation** to deliver connected ecosystems that drive measurable performance.
- Expanding **media and performance marketing** capabilities alongside traditional creative and design.
- Growing **global delivery network** (e.g., Costa Rica, Colombia, Japan) to offer cost‑effective scale.
- Nurturing **emerging talent** through internal programs to sustain a pipeline of digital‑first creators.

## Why Work Here
- **Culture**: “The people make the place” – a collaborative, low‑ego environment that attracts “digitally‑minded creative folks.” Fast Company named it one of the 100 Best Workplaces for Innovators.
- **Work policy**: In‑office (based on Built In profile and office‑centric job postings); 12 global offices (Vancouver, Calgary, Toronto, New York, Chicago, Los Angeles, London, São Paulo, Tokyo, San José, etc.).
- **Notable perks**: In‑house development program for emerging talent (“No experience required”); opportunities to work with world‑class brands; “equal parts laughter and resolve” in team culture.
- **Engineering/creative culture**: Cross‑functional teams (strategy, design, technology, media) with a flat hierarchy; employees report high autonomy on projects.

## Sources
1. [criticalmass.com](https://www.criticalmass.com/)
2. [criticalmass.com/jobs](https://www.criticalmass.com/jobs)
3. [linkedin.com/company/critical-mass](https://www.linkedin.com/company/critical-mass)
4. [builtin.com/company/critical-mass](https://builtin.com/company/critical-mass)
5. [job-boards.greenhouse.io/criticalmass](http://job-boards.greenhouse.io/criticalmass)

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