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Critical Mass

Project Manager (Media & Digital Campaigns)

Critical Mass · San Jose, Costa Rica

Posted 9 days ago

or apply directly on Critical Mass's site. We never take the application ourselves.

Is this posting real?

This role has been open
9 days
Critical Mass's roles stay open a median of 36 days
Reposted
No
Salary listed
No
0% of Critical Mass's roles list one
Ghost-job risk at Critical Mass
moderate
8 stale, 0 reposted of 24 open
Hiring momentum
34 roles opened in the last 90 days
↑ up vs. the prior 90 days
Last confirmed on the employer's board
2026-09-17

Measured from postings appearing on and disappearing from Critical Mass's own greenhouse board since 2026-08-03. Full hiring picture for Critical Mass.

About this role

As a Project Manager at Critical Mass, you will lead the planning and execution of digital media campaigns for global brands, ensuring they are delivered on time and within budget. You will coordinate across various digital channels and work closely with cross-functional teams to manage timelines, resources, and communication throughout the campaign lifecycle.

Our read on this posting3.4out of 5
benefits
4/5
freshness
4/5
career value
4/5
role clarity
5/5
pay transparency
0/5

Scored from the posting itself — how clearly the role is described, how much it says about pay and benefits, and how recently it was listed. Not a judgement of Critical Mass as an employer.

What you need

  • 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

What you get

  • 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

Worth weighing

  • No salary listed
  • The role requires working from an office a minimum of 3 days a week, which may not suit everyone.
  • The environment is fast-paced and may involve managing multiple campaigns simultaneously, which could be stressful for some candidates.

Summarised from Critical Mass's posting. Read the full original.

Listed by Critical Mass on their greenhouse job board, last confirmed open on 2026-09-17. PitchMeAI is not the employer.

More roles at Critical Mass

All 24 open roles at Critical Mass →

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