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Senior Project Manager

Criticalmass

San Jose, Costa Rica (San Jose) permanent

Posted: February 16, 2026

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Quick Summary

Manages day-to-day activities in Delivery Department to ensure projects meet organizational goals.

Job Description

A Senior Project Manager reports to a Program Manager. Works closely with Directors and Subject Matter Experts, designers, developers and QA to ensure flawless project execution, efficient resource allocation, project financial sanity and client satisfaction. He/She fosters and grows project management talent and helps to develop processes, documentation, standardization and tools. He/She is interested, invested and passionate about the industry, the clients we serve, and the work produced.

You Will:

• Manages day to day activities in the Delivery Department to ensure projects meet organizational goals and requirements.

• Promotes the Agile values and principles.

• Analyzes the state of the Agile teams within the responsible projects to determine needs and opportunities for improvement of Agile practice.

• Support on establishing effective Agile governance approaches - such as ticket descriptions, metrics, dashboards and reporting.

• Manages projects and resources in charge.

• Supports leadership for PMs to manage all phases of program to success, including initiation, planning, definition, design, development, testing and deployment cycles.

• Drives weekly releases for vertical and/or horizontal; review and prioritization of work and resource planning.

• Coordinates with Development and QA teams and communicates with all impacted Stakeholders.

• Collaborates with IT technical teams to ensure successful delivery of projects.

• Ensures all projects stay in scope and on schedule.

• Partners with our AP team to drive cohesion around the customer experience and partner retention.

• Supports Agency Partnership Director and New Business Development team to engage and win prospective clients.

• Supports discipline leadership and guidance to the Delivery Department team, setting standards and working to ensure the overall success of this group within the organization.

• Adheres to and advises on the company wide operating metric targets with the Group Delivery Director.

• Responsible for ensuring its teams are developing and executing against detailed project plans, including overall budget allocations, schedule roll-ups of all projects, critical path and risk assessment.

• Works with team leads and Program Manager to develop process and documentation standards for team to follow with the end goal of top-efficiency and quality.

• Works with Group Delivery Director to align appropriate team members against suitable assignments, considering business needs and individual Career Paths.

• Contributes to professional development plan of the Project Managers, through mentoring, coaching and training as per request from the Program Manager.

• Evaluates teamwork, initiative, work ethic, values adherence.

• Motivates people, works and leads in a team environment.

• Ensures effective communication and promotes a sense of participation and involvement.

• Recruits best industry talent and provides an environment for the development of key talent and continuous improvement.

You Have:

• Desirable: Master’s degree in management, project management, business, or related field; many obtain master's degree or post-bachelor's certificate and professional credentials or equivalent strong experience as Project Manager in exact areas of expertise required for Critical Mass (Digital Agencies projects, Web development project, SCRUM/Agile Software projects).

• 5+ years of experience managing a variety of digital project types; site builds, ecommerce, marketing campaigns, microsites, maintenance.

• A track record for successfully managing a discipline or large programs.

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

• Expert experience in project finance, pipeline planning, forecasting, road mapping 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.

• Proven ability to work on large scale digital projects.

• Proven ability to develop and implement processes to ensure high-quality deliverables for the client.

• Proven acumen negotiation skills and proven ability to interact with Senior-level employees.

• Presents him/herself in a polished, professional way. Very high degree of personal professionalism.

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

• Mastery of collaboration and issue tracking tools such as Box, Jira, Confluence.

• PMP designation, SCRUM Master, Six Sigma desired.

• Previous experience working within an agency environment.

• Ideally Intermediate English Proficiency (B2 reading, writing, and conversation).

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!

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

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