Senior IT Project Manager - Infrastructure & Cloud

As a global leader in facilities services we connect people and places to make the world work better. Whether directly or indirectly, you’ll play a vital role in supporting our placemakers in delivering exceptional workplace experiences for our customers. Together, we make space for people and businesses to thrive. Location: Warsaw (Poland) Language: English Main purpose of the position: The Senior IT Project Manager leads complex, high impact cloud transformation initiatives across ISS countries, driving the migration of critical infrastructure and technology services to cloud platforms. Operating in a highly matrixed global environment, this role balances competing business, operational, and technical priorities while ensuring successful delivery of strategic transformation programs. The role requires exceptional stakeholder management capabilities, combining strong project leadership with the ability to influence senior executives, align cross functional teams, build business cases, and drive measurable business value throughout the transformation journey. Success is measured not only by delivering projects on time and within budget, but also by ensuring adoption, operational readiness, risk mitigation, and realization of expected business outcomes.  Key expectations: You will be responsible for leading large scale cloud migration and infrastructure transformation programs across multiple countries, navigating complex stakeholder landscapes, competing priorities, and diverse regional requirements. A key expectation is the ability to effectively engage senior business and technology leaders, facilitate difficult discussions, resolve conflicts, and drive decisions in situations where stakeholders have differing objectives and priorities. You will act as the central point of coordination between country leadership teams, infrastructure and cloud engineering teams, architecture functions, vendors, and program sponsors, ensuring alignment around strategic objectives and delivery commitments. Beyond project execution, you are expected to build and maintain strong business cases, guard compliance, and provide transparent reporting on financial, operational, and strategic outcomes throughout the program lifecycle. Success in this role requires a combination of project leadership, commercial awareness, strong communication skills, strategic thinking, and a solid understanding of cloud and infrastructure transformation. What you’ll do: Lead end to end delivery of large scale cloud migration and infrastructure transformation programs across multiple countries and business units. Build trusted relationships with senior stakeholders and leadership teams, influencing decisions and securing alignment on project priorities and outcomes. Facilitate complex discussions and negotiations between business, technology, operations, security, and architecture stakeholders. Develop and maintain business cases,…