Senior Project Manager

Critical Mass is hiring for a contract Sr Project Manager .  This is a high-visibility contract role on a dynamic communications team creating world-class digital marketing material. You'll work on exciting projects with tight timelines, meaningful scope, and the opportunity to make an immediate impact. If you're someone who thrives when challenges are real, timelines are tight, and excellence is non-negotiable, this is the role for you.

This role is a contract role from June 1 through Sept 25, 2026.  Due to confidentiality requirements, this role’s requisite is to work in our Calgary office 5 days per week.

  You Will:

• Lead high-impact digital marketing projects across multiple platforms and channels, from concept through delivery, for a world-class brand's communications portfolio
• Manage complex, multi-workstream initiatives with aggressive timelines, working directly with creative teams, technology partners, and senior-level stakeholders to drive results
• Communicate strategic direction and high-level concepts clearly and concisely to cross-functional teams and executives, translating business objectives into actionable project plans
• Own the full project lifecycle: scoping, structuring, resource management, risk mitigation, and delivery—using best-in-class project management tools and methodologies
• Collaborate seamlessly with creative, development, and production teams to ensure seamless execution of digital communications across web, email, direct mail, partner assets, and beyond
• Identify risks, dependencies, and potential roadblocks early, taking decisive action to keep projects on track and manage partner expectations with transparency and confidence
• Prioritize shifting requirements and changes in real-time, maintaining flexibility without losing sight of strategic goals or quality standards
• Champion innovative solutions and best practices, partnering with teams to push boundaries in digital interaction and delivery

  You Have:

• 7+ years of digital project management experience, with 5+ years independently leading complex, multi-platform initiatives—preferably with interactive agency or high-profile brand experience
• A proven track record of delivering sophisticated digital marketing campaigns and initiatives across diverse channels (web, email, mobile, partner platforms, etc.)
• Deep proficiency in digital communication platforms, technologies, and current industry advancements
• Excellent written and verbal communication skills, with the ability to present ideas persuasively to stakeholders at all levels
• Outstanding attention to detail paired with the ability to zoom out and think strategically about broader objectives
• The ability to thrive in ambiguity and fast-paced environments—you embrace tight timelines and don't need extensive ramp-up time
• A can-do attitude and track record of hitting milestones and deadlines, even under pressure
• Experience building strong relationships across creative, technical, and business teams, with a collaborative leadership style
• Proficiency with prioritization tools and project management software
• A commitment to excellence and a bias toward action—you're solution-oriented and not afraid to stand behind the right decision

Critical Mass is an equal opportunity employer. 

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.

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If Costa Rica based: