Job Description

Critical Mass is looking for a Senior Creative Strategist to come and join our amazing ArtBot team!

ArtBot is Omnicom’s next-generation intelligent content orchestration, decisioning and optimization solution. We operate as a horizontal specialism that integrates seamlessly across Omnicom to deliver scaled, data-driven, and AI-powered creative solutions. We specialize in Dynamic Creative Optimization (DCO), performance optimization, and scalable content activation. We are proud to deliver innovative, high-performance work for a premier global client roster, including Volkswagen Group, IBM, British Airways, McDonald’s, and PepsiCo.

Artbot is at the intersection of media, creative and ad tech, and nowhere is this better personified than through a strategist. The Strategy team is a pivotal part of Artbot, that helps set the tone and drive the growth of our core DCO product offering.

Your primary role will be the creation and implementation of dynamic creative strategies, for a selection of our key accounts. You will be required to maintain relationships with a variety of senior stakeholders (both internal and external), throughout the end-to-end DCO campaign process.

A Senior Creative Strategist is expected to have a strong sense of curiosity and willingness to explorenew ideas and approaches. This is to ensure Artbot’s strategies & technologies continue to stay market-leading in the ever-evolving digital space.

You will be tasked with developing strong relationships across the Omnicom network, including supporting new business pitches, in addition to building a strong commercial understanding of all our clients. As a senior member of the strategy team, you will work closely with the Head of Strategy to manage & mentor junior team members, and co-lead various team initiatives.

You will:

• Strategic Leadership Define and drive the strategic direction of Artbot campaigns, ensuring alignment with client objectives and broader business goals. Lead the development of best-in-class digital media strategies, incorporating data-driven insights, creativity, and innovation.
  
  
• Stakeholder Engagement & Collaboration: Act as a trusted advisor to key senior stakeholders, including internal teams, clients, and agency partners. Ensure seamless communication and collaboration across departments, fostering strong relationships that enhance strategic execution.
  
  
• Dynamic Creative Optimization (DCO) strategy development: Oversee the conception, execution, and performance analysis of DCO campaigns. Guide the integration of personalization tactics, identifying the signals that can inform creative and deliver on business outcomes leveraging dynamic-feed / ad serving capabilities to enhance campaign effectiveness.
  
  
• Data-Driven Strategy & Measurement: Develop robust measurement frameworks to assess the effectiveness of DCO strategies. Utilize analytical rigor to interpret large data sets and derive actionable insights that optimize campaign performance against key client KPIs.
  
  
• Creative Excellence Ensure digital strategies balance data-driven decision-making with creative excellence. Pay strong attention to detail regarding the creative strategy and how the DCO templates need to be built with intent to deliver on performance goals and still ensure alignment with consumer engagement & DCO best practices.
  
  
• Team Leadership & Development: Manage and mentor junior team members, fostering a culture of learning, growth, and high performance. Provide strategic guidance, ensure resource allocation efficiency, and support professional development initiatives.
  
  
• Digital Media Expertise: Maintain a deep understanding of the digital media landscape, including programmatic, social, and emerging platforms. Stay ahead of industry trends to continuously evolve strategic approaches and media activation methodologies.
  
  
• Innovation & Emerging Technologies: Explore and advocate for new technologies and methodologies in digital media strategy. Keep abreast of advancements in AI-driven marketing, automation, and evolving creative production processes.
  
  
• New Business & Thought Leadership Support new business efforts by demonstrating strategic expertise and showcasing the value of data-driven digital media approaches. Contribute to thought leadership by sharing insights on evolving media trends and best practices.

You have:

• 5+ years’ experience in a relevant media, creative, or strategy role
• Strong understanding of the digital media landscape, including planning, buying, and activation across programmatic and social
• Proven experience partnering with senior stakeholders across clients, agencies, and internal teams
• Ability to craft clear, compelling strategic narratives that bring together creative, media, tech, and analytics
• High attention to detail, particularly when working across creative strategy and large datasets
• Demonstrated ability to think strategically while applying analytical rigor to optimize performance
• Experience designing and implementing measurement frameworks to evaluate digital effectiveness
• Track record of managing and developing junior talent
• Self-starter mindset — confident, proactive, and comfortable operating in ambiguity

Nice-to-Haves

• Experience in conceiving and delivering successful DCO campaigns.
• Knowledge of social ads manager platforms (e.g., Meta Ads Manager, TikTok Ads, LinkedIn Ads), adserving platforms
• Familiarity with dynamic-feed ad serving
• Understanding of the creative production process, from concept to execution.
• Experience developing digital media strategies on a global or regional scale.

What We Offer:

• Global maternity and parental leave
• Competitive benefits packages
• Vacation, compassionate leave, and sick days
• Access to online services for families and new parents
• Summer Fridays (off at 3:00 PM local time every Friday)
• Diversity and Inclusion Board with 12 affinity groups
• Internal learning and development programs
• Enterprise-wide employee discounts

Our new hires & employees are the future of our organization, and we want to set you up for long-term success. In effort to do so, we expect our team to work from an office a minimum of 3 days a week.

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.comand 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