* 04 mars 2026 * 100% * Temporaire * Genève Our client is seeking a senior, hands?on Project Manager to lead the delivery of a new e?commerce platform from an advanced definition stage into implementation and go?live. The role requires strong ownership, cross?functional leadership, and the ability to drive a complex digital initiative within a structured governance environment. Senior Project Manager - Transformation Our client is an international organization located in Geneva recognized for its global impact and commitment to digital evolution. They operate in a collaborative, multicultural environment with a strong focus on quality and stakeholder engagement. Missions * Lead the end?to?end delivery of a digital commerce project using a selected SaaS platform. * Drive project planning, execution, timelines, risks, and budget alignment. * Collaborate closely with Marketing as project sponsor and IT teams across architecture, development, and operations. * Coordinate with an external SaaS provider and integration partner throughout implementation. * Ensure alignment with portfolio governance, PMO standards, and reporting requirements. * Facilitate the definition, refinement, and prioritization of business and technical requirements. * Manage dependencies, risks, change impacts, and escalations across stakeholder groups. * Guide testing activities, including system testing, UAT, readiness, and deployment. * Engage high?level leadership through governance meetings, steering committees, and status presentations. * Support cross?team collaboration with units involved in standardization and delivery processes. * Contribute to the decommissioning of legacy systems post?go?live. Profil du candidat * 10 years of experience delivering IT or digital transformation projects. * Proven track record in e?commerce platform implementation or replacement. * Strong ability to work hands?on with requirements, process details, and functional specifications. * Experience managing third?party vendors and external integrators. * Comfortable navigating structured governance, reporting lines, and high?level stakeholder environments. * Excellent communication skills, able to adapt to technical, business, and leadership audiences. * Strong analytical mindset with the ability to assess risks, impacts, and trade?offs. * Proactive, autonomous, and ownership?driven working style. * Ability to collaborate across multicultural teams and matrix environments. * Fluent in English, both written and spoken. Conditions et Avantages * Opportunity to lead a flagship digital project with strategic visibility. * Collaborative environment with strong engagement across IT, marketing, and executive teams. * Chance to influence standards, processes, and long?term digital capabilities.