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Senior Project Manager

Criticalmass

San Jose, Costa Rica (San Jose) permanent

Posted: November 3, 2025

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Job Description

As the Senior Project Manager, you will work closely with internal disciplines, including QA, Development, UX, and Creative to ensure flawless project execution, efficient resource allocation, project financial sanity and deliver client satisfaction. You will foster and grow project management talent and help to develop processes, documentation, standardization and tools. You are interested, invested and passionate about the industry, the clients we serve, and the work produced. You will actively and visibly champion the work and team.

You will:

• Lead and collaborate to ensure the work stays on brief, client needs and feedback are understood and addressed, and the work delivered is of high quality

• Act as main POC for the clients, handling communications with the intent of client satisfaction

• Complete meeting notes and distribute to all team members, build basic-to-complex schedules, manage scoping and small-medium scale projects

• Own budget management for all projects

• Identify and communicate risk/implications and mitigation strategies

• Build strong relationships with the team across all disciplines

• Identify and act on organic account growth opportunities in partnership with Client Services

• Perform analysis and reporting on project health, attending finance meetings to inform account health (Metrics include: Remaining forecast, forecast to completion, burn (actuals) to date, % project progress, % budget utilized, write off %)

• Champion project management fundamentals across all assigned projects, across timeline, action logs, change logs, risk logs, appropriate kick-off and closure processes

• Facilitate (when appropriate) in project retrospective and sunsetting process

• Act as a beacon of best practice within the account and discipline

• Mentor emerging talent and provide career development aligned with CM expectations

You have:

• 5+ years of experience managing a variety of digital project types; site builds, e-commerce, marketing campaigns, micro-sites, and maintenance

• A mastery of Project Management Methodologies, PMI Process Groups, Agile Development and Risk Management

• Expert experience in project finance, pipeline planning, forecasting, road mapping, financial reporting and leadership

• Resource management within the Solution Delivery team including balancing priorities, timelines, mix and casting while understanding and supporting the objectives and motivations of every discipline

• Proven ability to successfully manage multiple stakeholders and work on large-scale digital projects, including but not limited to implementing processes to ensure high-quality deliverables for our client

• Mastery of office productivity tools such as Excel, Word, MS Project, Visio, PowerPoint, and Keynote.

• Mastery level knowledge of collaboration and issue tracking tools such as Box, Jira, Confluence, Teams

• Mastery in completing tasks with project management tools such as Tenrox, Smartsheet, and Halo/Abacus at a project and portfolio level.

What We Offer:

• Competitive benefits packages

• Vacation, compassionate leave, sick days, and flex days

• Access to online services for families and new parents

• End of year closure days (not deducted form vacation balance)

• Diversity and Inclusion Board with 12 affinity groups

• Internal learning and development programs

• 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.

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.

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

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