Senior Activation Engineer

New York City, NY (Unknown)

$100K/yr – $1115K/yrSenior Level3+ years exp

Posted 6 weeks ago

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Job Summary

Own activation operations for dynamic creative across multiple channels, turning complex feeds and AI-assisted workflows into scalable campaigns.

  • Activation ownership: end to end delivery, QA and tooling improvements across ad servers and creative platforms.
  • Operational scale: automate workflows, manage large creative variations and data-driven messaging at scale.

Job Description

Responsibilities

  • Lead the activation and delivery of dynamic creative campaigns across display, video, social, CTV, retail media and emerging channels
  • Configure and manage campaign setups across various ad servers, social channels, creative management platforms and proprietary systems
  • Manage large scale creative variations, data feeds and audience driven messaging frameworks
  • Ensure campaigns are delivered accurately, efficiently and to a consistently high standard
  • Identify opportunities to improve operational workflows through automation and scalable processes
  • Support the development and implementation of workflow optimisation initiatives
  • Collaborate with product and development teams to improve activation tools, templates and systems
  • Contribute to the adoption of AI-assisted workflows and emerging creative technologies where appropriate
  • Maintain a strong "right first time" approach to campaign activation and QA
  • Troubleshoot technical issues across creative builds, feeds, platforms and campaign delivery environments

Requirements

  • 3+ years' experience in activation, ad operations, campaign management, creative operations or marketing technology
  • Strong understanding of the digital advertising ecosystem, including programmatic, social and video platforms
  • Experience within DCO alongside creative management platforms, ad servers or DSPs
  • Strong organisational and project management skills with the ability to manage multiple campaigns and stakeholders simultaneously
  • Comfortable working with structured data, campaign feeds and large-scale creative variations
  • Excellent troubleshooting and problem-solving skills
  • Strong attention to detail and commitment to operational excellence
  • Experience mentoring or supporting junior team members
  • Confident communication skills across both technical and non-technical audiences
  • Curiosity around automation, emerging technologies and AI-assisted workflows

Nice to Have

  • Knowledge of HTML5, CSS and JavaScript
  • Experience with APIs, feed-based workflows or workflow automation tools
  • Familiarity with creative production pipelines and scalable content operations
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Critical Mass

3.1 Glassdoor

Critical Mass is a team of 1,900 inspired folks based in 13 offices around the world, providing full-service digital capabilities for the greatest brands on Earth. Our secret sauce is our uncompromising design standards, our relentless focus on customers, and an ability to put powerful new technologies to work for our clients. We work with the best—Apple, Nike, Mars Wrigley, Nissan, Diageo, Airbnb, BMW, BNY Mellon, Johnson & Johnson, and many more—brands who strive for connected digital ecosystems and unparalleled experiences. We help them get there by gaining deep insight into their consumers and orchestrating data, AI, design, media, and tech stacks around human stories.We’re a global agency founded in Canada, but digital is our home. If you know us, then you know we’re a special, quirky place that attracts big talent and tiny egos. (We actually give out a “so f-n nice” award—lots of them). But just because we’re friendly doesn’t mean we’re not a force to be reckoned with. We’re driven. Relentless. And we live our values. We’re Critical Mass, but our friends call us CM. Please call us CM!

Founded in 1996
Calgary, Alberta, CAN
1.8K employees (728 in marketing)
43% recommend to a friend
44% CEO approval

Traffic Signals

Monthly Visitors
30.3K
Traffic Source Mix
Search
46.7%
Direct
41.5%
Referral
6.8%
Social
3.9%
Paid
1%

Headcount Trend

Current headcount: ~1.8K

Marketing Team

Marketing Team Size
347 (19% of company)
Median Career Experience
10 years
Median Tenure
4.8 years
Marketing Roles Posted (Last 30 Days)
6

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