Project Manager

Critical Mass is looking for a motivated and detail-oriented Project Manager to join our team and help deliver impactful media and digital marketing campaigns for leading global brands.

In this role, you will lead the planning, coordination, and delivery of integrated digital media campaigns across multiple platforms and channels. You’ll work closely with cross-functional teams, media partners, creative teams, and clients to ensure campaigns are executed smoothly, on time, within scope, and aligned with business objectives.

The ideal candidate is highly organized, proactive, and comfortable managing multiple campaigns, platforms, stakeholders, and deadlines in a fast-paced agency environment. You are a strong communicator who can bring structure to complex projects, identify potential issues before they arise, and keep teams moving toward successful campaign launches and results.

You Will

• Lead the planning, execution, and delivery of digital media and marketing campaigns from kickoff through launch and completion.
• Coordinate campaigns across multiple digital channels, including social media, paid media, display, and other digital advertising platforms.
• Manage campaign timelines, deliverables, budgets, resources, dependencies, and overall project health.
• Coordinate campaign setup, trafficking, launch, optimization, and post-campaign activities across internal teams and external partners.
• Work with platforms such as Campaign Manager 360 (CM360) and other digital advertising and media technologies.
• Coordinate campaign execution across platforms such as TikTok, LinkedIn, Reddit, Instagram, Facebook, and other relevant media channels.
• Partner closely with Media, Creative, Strategy, Analytics, Account Management, Production, and QA teams to ensure seamless campaign delivery.
• Facilitate project and campaign meetings, drive discussions, document decisions, and ensure follow-through on action items.
• Serve as a key point of contact for assigned campaigns, maintaining clear communication across internal teams, clients, and partners.
• Manage campaign scope and proactively identify and address risks, issues, dependencies, and changes throughout the campaign lifecycle.
• Support campaign intake, scoping, estimation, resource planning, and timelines.
• Coordinate creative asset requirements, specifications, approvals, trafficking, and delivery across media platforms.
• Ensure campaign assets and deliverables meet platform specifications, quality standards, and launch requirements.
• Monitor campaign progress and provide regular updates on timelines, deliverables, risks, and overall campaign status.
• Work closely with stakeholders to ensure campaign objectives, targeting, messaging, creative, and execution remain aligned.
• Support campaign reporting, post-launch activities, retrospectives, and continuous improvement initiatives.
• Identify opportunities to improve campaign workflows, processes, communication, and cross-functional collaboration.
• Ensure campaigns are delivered on time, within scope, within budget, and to Critical Mass quality standards.

You Have

• 3-5+ years of project management experience within digital, media, advertising, marketing, creative, or customer experience agencies.
• Hands-on experience managing digital media campaigns from planning and setup through launch and completion.
• Experience working with Campaign Manager 360 (CM360) or similar ad-serving/campaign management platforms.
• Familiarity with digital media and social platforms such as TikTok, LinkedIn, Reddit, Instagram, Facebook, and other paid media channels.
• Understanding of digital advertising campaign workflows, including creative trafficking, campaign setup, approvals, launches, tracking, and reporting.
• Experience managing multiple concurrent campaigns in a fast-paced, client-facing agency environment.
• Experience managing timelines, budgets, scope, resources, risks, dependencies, and stakeholder expectations.
• Experience coordinating creative assets and ensuring they meet platform specifications and campaign requirements.
• Experience collaborating with cross-functional teams including Media, Creative, Strategy, Analytics, Production, QA, and Account Management.
• Strong organizational skills and exceptional attention to detail, with the ability to manage multiple campaigns and deadlines simultaneously.
• Excellent verbal and written communication skills, with the ability to communicate effectively with technical and non-technical stakeholders.
• Strong problem-solving, prioritization, and decision-making skills.
• Experience using project management and collaboration tools such as Jira, Confluence, Smartsheet, Microsoft Teams, or similar platforms.
• Advanced English communication skills, both written and verbal.
• Ability to work independently, manage competing priorities, and proactively identify potential campaign risks or blockers.
• Strong ability to build relationships and collaborate across multiple teams and stakeholders.

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