HR Project Manager

Syensqo is all about chemistry. We’re not just referring to chemical reactions here, but also to the magic that occurs when the brightest minds get to work together. This is where our true strength lies. In you. In your future colleagues and in all your differences. And of course, in your ideas to improve lives while preserving our planet’s beauty for the generations to come.

Syensqo’s Global Business Services (GBS) is an integral part of our organization, delivering Finance, Procurement, Human Resources, Credit Management, and Transformation services worldwide. As we continue to evolve and expand our impact, we invite you to join a dynamic, collaborative, and forward-thinking environment—where your expertise will directly shape the future of our GBS organization.

We are seeking a highly skilled Project Manager with strong experience in project and change management, including Payroll & Time Transformation, HR Transformation, and data harmonization initiatives, to lead and execute transformation and optimization programs within Syensqo GBS. In this pivotal role, you will manage projects that ensure our services are continuously optimized, scalable, and aligned with Syensqo’s strategic ambitions. Reporting to the GBS PMO Lead, you will play a key role in delivering business value and operational excellence across our global footprint.

We'll count on you to:

Project Management

• Lead mid- to large-scale projects from initiation to completion, ensuring delivery within scope, schedule, and quality.
• Drive Payroll & Time Transformation, HR Transformation, and global data harmonization initiatives across regions and business units.
• Apply structured project management methodologies (Agile/Waterfall/Hybrid).
• Build business cases, manage budgets, and evaluate costs, benefits, and feasibility.
• Track progress, manage risks, and ensure proactive mitigation and issue resolution.
• Provide accurate and timely reporting to stakeholders and leadership.
• Use project management tools (MS Project, Jira, Google Suite) to track performance and drive consistency.

Stakeholder Management & Governance

• Collaborate with cross-functional teams, business leaders, IT & vendors to align project objectives and priorities, especially across HR, Payroll, and GBS process owners.
• Lead project meetings and governance routines to ensure transparency and accountability.
• Manage internal stakeholders and external partners to deliver agreed outcomes.

Change Leadership & Continuous Improvement

• Support adoption of new processes and systems through effective change and communication plans, particularly within HR and Payroll functions.
• Evaluate change impact and ensure readiness across stakeholder groups.
• Promote a culture of continuous improvement and standardization in project delivery practices, including end-to-end process harmonization.

Personal Effectiveness

• Highly organized, proactive, and adaptable with strong prioritization skills.
• Demonstrates resilience, composure, and problem-solving ability in dynamic environments.
• Promotes continuous improvement and standardization across project delivery practices.

You Will Bring:

• Bachelor’s degree required; Master’s degree or certifications (PMP, Prince2, Scrum Master) preferred.
• 4–8 years of experience in project management roles within GBS or multinational environments, including hands-on experience in Payroll & Time Transformation, HR Transformation, and/or global data harmonization projects.
• Proven success managing cross-functional projects.
• Strong analytical and financial acumen; experience managing project budgets.
• Excellent communication, stakeholder management, and presentation skills.
• Familiarity with Agile/Waterfall methodologies and collaboration tools (MS Project, Jira, Google Suite).
• Fluent in English (written and spoken) is mandatory

You Will Get:

• Competitive salary and benefits package.
• 16+ weeks of maternity, paternity, or co-parenting leave.
• Access to well-being and professional development programs.

Additional information:

• Office location: Lisbon
• Hybrid work model: 1 day/week in Lisbon office (Lisbon-based) or 2 days/month if based elsewhere in Portugal.
• Occasional travel required.

About us

• Syensqo is a science company developing groundbreaking solutions that enhance the way we live, work, travel and play. Inspired by the scientific councils which Ernest Solvay initiated in 1911, we bring great minds together to push the limits of science and innovation for the benefit of our customers, with a diverse, global team of more than 13,000 associates. Our solutions contribute to safer, cleaner, and more sustainable products found in homes, food and consumer goods, planes, cars, batteries, smart devices and health care applications. Our innovation power enables us to deliver on the ambition of a circular economy and explore breakthrough technologies that advance humanity.
• At Syensqo, we seek to promote unity and not uniformity. We value the diversity that individuals bring and we invite you to consider a future with us, regardless of background, age, gender, national origin, ethnicity, religion, sexual orientation, ability or identity. We encourage individuals who may require any assistance or accommodations to let us know to ensure a seamless application experience. We are here to support you throughout the application journey and want to ensure all candidates are treated equally. If you are unsure whether you meet all the criteria or qualifications listed in the job description, we still encourage you to apply.