Full-Time

Senior Media Associate

Ad Operations

Critical Mass

Critical Mass

1,001-5,000 employees

Digital experience design and marketing solutions

No salary listed

San Jose, CA, USA

Hybrid

Three days on-site per week required.

Category
Growth & Marketing (1)
Required Skills
Quality Assurance (QA)

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Requirements
  • Foundational knowledge of Google Marketing Platform and social platforms.
  • Understanding of dynamic ad serving and Dynamic Creative Optimization.
  • Basic understanding of testing setup.
  • Fundamental skills in standard and rich media ad trafficking software for display, video, mobile, search, and emerging channels.
  • Experience setting up pixels and tags in a tag manager using if/then logic.
  • Ability to transform ads into granular components for reporting.
  • Ability to transfer trafficking knowledge upstream and assist with populating trafficking documents for media teams.
  • Ability to work with minimal supervision while maintaining focus and productivity.
  • Ability to govern the technical requirements according to an agency standard operating procedure.
  • Ability to multitask and meet deadlines while maintaining attention to detail.
  • Ability to work effectively under stressful situations and tight deadlines.
  • Strong 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.
Responsibilities
  • Own the end-to-end trafficking, quality assurance, and campaign launch process across digital media channels.
  • Own the quality assurance process from campaign setup through 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 fire properly on campaign landing pages.
  • Manage deadlines and workflow.
  • Own the quality and consistency of deliverables.

Critical Mass is a digital experience design agency that builds websites, marketing campaigns, and data analytics tools for brands in sectors like automotive and healthcare. The agency works by collaborating directly with clients to design and develop custom digital solutions that simplify complex technical challenges into user-friendly interfaces. Unlike many competitors, Critical Mass integrates specialized talent development programs like Trailhead and CM AIR to foster internal creativity and ensure a steady pipeline of emerging industry talent. Their goal is to use comprehensive digital strategies and creative partnerships to deliver impactful online experiences that connect brands with their target audiences.

Company Size

1,001-5,000

Company Stage

M&A

Total Funding

$238K

Headquarters

Calgary, Canada

Founded

1996

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Simplify Jobs

Simplify's Take

What believers are saying

  • Critical Mass won three 2026 American Business Awards and multiple Stevie honors in June.
  • criticalmass.com lists fresh 2026 work for BMW, AT&T, Skittles, Diageo, and BNY.
  • Jobera logged 55 open positions in June 2026, signaling active hiring.

What critics are saying

  • Omnicom doubled synergy targets to $1.5 billion in February 2026, pressuring headcount.
  • Decision Marketing reported MRM staff moving into Critical Mass during March 2026 restructuring.
  • Omnicom absorbs Critical Mass into a blended precision-marketing platform, erasing the agency brand by 2027.

What makes Critical Mass unique

  • Critical Mass leads Omnicom Precision Marketing’s activation practice after June 2026 Rapp integration.
  • BMW, MINI USA, AT&T, and Diageo still anchor its 2026 creative and media work.
  • Revelio Labs counted 1,997 employees in March 2026, up from 1,572 in 2023.

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Benefits

Professional Development Spending Account that can be used for conferences, courses, subscriptions, books

Competitive pay and benefits

Match charitable donations up to $100USD

Flexible, reasonable work-from-home arrangements whenever possible

Company News

Muse World
Aug 5th, 2026
Bringing World-Class Sound to the Mitsubishi Outlander.

Bringing World-Class Sound to the Mitsubishi Outlander. BY Maie August 05, 2026 World-Class Sound. Next Level Venue | NYX Awards Critical Mass developed an innovative campaign for Mitsubishi that reimagined the launch of the all-new Outlander by connecting automotive innovation with the energy of music culture, gaining recognition in the Marketing Campaign / Influencer Marketing Campaign category. Developed around a collaboration with Yamaha, the campaign transformed the Outlander into a destination for immersive sound. The vehicle's cabin was presented as an intimate performance venue where premium craftsmanship and advanced technology come together to create a memorable atmosphere. This concept invited audiences to experience every drive through the emotion and artistry of live-quality audio. At the center of the campaign is Yamaha's Premium Concert sound system, designed to deliver exceptional audio performance throughout the cabin. The experience allows drivers and passengers to connect with music in a way that reflects the precision and creativity behind every performance. Through compelling storytelling and influencer engagement, the campaign highlighted how the Outlander brings concert-inspired sound into everyday travel. The launch introduced a fresh perspective on automotive marketing by combining innovation, entertainment, and lifestyle into a unified campaign. The partnership between Mitsubishi and Yamaha created a distinctive identity for the Outlander while strengthening its connection with audiences who value premium experiences. This creative achievement has been recognized with a winning distinction in the Marketing Campaign / Influencer Marketing Campaign category, celebrating Critical Mass for delivering an impactful campaign that brought Mitsubishi's vision to life through the power of music. Gallery. Media.

Daniel Diosi & Partners
Jan 28th, 2026
Navigating the Evolving Landscape of Advertising and Workplace Success

Navigating the evolving landscape of advertising and workplace success. The advertising landscape is undergoing significant transformation as companies increasingly embrace innovative strategies and a renewed focus on employee well-being. Recent developments have highlighted shifts in workplace culture, marketing approaches during major events, and the evolving dynamics of digital platforms. As organizations strive to enhance their engagement and effectiveness, understanding these trends is essential for industry stakeholders. Top insights today. * WorkLife Awards showcase a new paradigm of workplace success. * Coca-Cola's World Cup campaign emphasizes unity in divided times. * Google revamps its mid-market agency strategy with a seasoned executive. * Ritz prepares for the Super Bowl with a humorous teaser featuring Bowen Yang. * Uncertainty surrounds TikTok creators following major ownership changes. WorkLife Awards showcase a new paradigm of workplace success. This year's WorkLife Awards honored companies like Critical Mass, Rare Beauty, and Olipop, reflecting a significant shift in how success is defined within corporate environments. The emphasis on learning, creativity, and employee well-being suggests that organizations are recognizing the importance of nurturing a positive workplace culture. Notably, the winners have adopted new technologies to enhance collaboration and growth among teams, signaling a departure from traditional metrics of success. Coca-Cola's World Cup campaign emphasizes unity in divided times. Coca-Cola's latest advertising campaign for the World Cup leverages the shared excitement of fans, underscoring the beverage giant's strategy of tapping into the unifying emotions of sports. Set to a cover of Van Halen's "Jump," the campaign is particularly poignant in today's politically fragmented climate. By aligning its messaging with the spirit of togetherness that sporting events engender, Coca-Cola aims to resonate deeply with consumers, fostering brand loyalty during a time of division. Google revamps its mid-market agency strategy with a seasoned executive. In a strategic move to enhance its mid-market agency operations, Google has appointed a veteran advertising executive to lead the charge. This shift signifies a recognition of the unique needs and challenges faced by mid-market marketers, who require tailored solutions and support. By focusing on this segment, Google aims to strengthen its partnerships and improve overall service delivery, demonstrating a commitment to evolving with market demands. Ritz prepares for the Super Bowl with a humorous teaser featuring Bowen Yang. As anticipation builds for the Super Bowl, Ritz crackers has launched a playful teaser featuring comedian Bowen Yang. This promotional strategy highlights the brand's intent to engage audiences with humor while capitalizing on the cultural significance of the Super Bowl. By leveraging celebrity endorsements and relatable content, Ritz aims to capture viewer attention in a crowded advertising space, showcasing the importance of creativity in marketing initiatives. Uncertainty surrounds TikTok creators following major ownership changes. The recent shake-up in TikTok's ownership has sent shockwaves through its creator community, leaving many scrambling amid chaos and uncertainty. This transition raises concerns regarding platform stability and the future of monetization opportunities for creators. As TikTok navigates this ownership change, it remains crucial for the platform to maintain creator trust and provide clarity on its operational direction to mitigate disruptions in content creation and engagement. As Danieldiosi analyze these developments, it is evident that the advertising and workplace landscapes are continuously evolving. Companies must remain agile and responsive to the changing expectations of both employees and consumers. The emphasis on unity, creativity, and technology-driven solutions will likely define the future trajectory of marketing strategies and workplace cultures, highlighting the need for organizations to adapt and innovate in order to thrive.

Muse by Clio
Sep 13th, 2023
This Car Prototype Addresses the Dangers of 'Driving While Black'

The Courageous Conversation Global Foundation worked with Goodby Silverstein & Partners, Critical Mass and The Mill to develop a prototype for such a car.

PR Newswire
Jul 1st, 2022
Designrush Recognizes The Best Canadian Digital Marketing Companies In...

According to Statista, Canada is one of the largest advertising markets globally. Their digital ad expenditure is expected to increase from CAD 8.45 billion to over CAD 12 billion in just four years. In honor of Canada Day, DesignRush, a B2B marketplace connecting businesses with agencies, recognizes the best digital marketing companies in Canada that help organizations target and convert their online audiences successfully

BlackSquare
Jun 1st, 2022
BlackSquare Inc. partners with Critical Mass, Inc.

This rebrand has been the result of a strong ongoing partnership between BlackSquare and Diageo, and in close collaboration with the talented team from Critical Mass that was responsible for the striking new design.