Payroll Specialist

About the Role

As Europe’s leading telecommunications infrastructure company, we operate across multiple countries and rely on efficient, compliant and employee-centric People processes to support our continued growth. At Cellnex, people are at the heart of our business.

We are looking for a Payroll Specialist to join our international People team and play a key role in delivering an exceptional employee experience through payroll excellence, operational accuracy and continuous process improvement. This is an opportunity to work in a multinational environment, partnering with People teams, employees and key stakeholders across different countries while contributing to the evolution, standardization and efficiency of payroll and People Operations processes.

Your impact

As a Payroll Specialist, you will play a key role in ensuring the accurate and compliant delivery of some of the organization's most critical payroll processes, contributing directly to employee trust, operational excellence and the overall employee experience.

You will support complex payroll scenarios, handle sensitive and confidential employee information and help ensure consistency and compliance across a multinational environment. Beyond payroll execution, you will contribute to process improvement initiatives and help evolve People Operations within a growing international organization.

What You’ll Do

• Own the end-to-end monthly payroll cycle, ensuring accuracy, completeness, and timely execution.
• Calculate and validate complex payroll variables (bonuses, terminations, severance payments, expatriate compensation), ensuring compliance with legal and contractual requirements.
• Ensure compliance with local labor law, tax regulations, and social security requirements, liaising with Legal and Tax advisors as needed.
• Lead the reconciliation of payroll data with Finance, ensuring accurate accounting postings and reporting.
• Manage relationships with external payroll providers and authorities, resolving escalations and discrepancies.
• Drive the preparation and review of statutory filings and year-end processes, such as tax certificates and annual declarations.
• Identify and implement process improvements and controls within the payroll function.
• Support internal and external audits related to payroll.
• Act as a key point of contact for complex employee payroll inquiries and escalations.

What We’re Looking For

• Experience in Payroll, Personnel Administration or People Operations, ideally within multinational or corporate environments.
• Solid understanding of payroll processes, compliance requirements and employee administration throughout the employee lifecycle.
• Experience working with complex payroll environments, including critical employee populations, executive payroll, mobility or international organizations.
• Customer-oriented mindset and strong stakeholder management capabilities, with the ability to build effective relationships across People, employees and business teams.
• Experience working with HRIS platforms and payroll systems (SAP, SuccessFactors or similar).
• Advanced Spanish required and intermediate to advanced English are valuable. Additional European languages are considered a plus.

What we offer

• Hybrid work model (3 days onsite / 2 remote).
• Modern office located in Barcelona city (headquarters), in Passeig de la Zona Franca, 105.
• International and cross-functional teamwork environment.
• Growth opportunities in a fast-evolving tech company.
• A purpose-driven role with societal and business impact.

About us

Be part of a large and growing technology company that is redefining the future of telecoms.

This role offers the opportunity to develop your expertise in payroll and People Operations, gain exposure to international environments and participate in initiatives focused on process optimization and operational excellence.

You will join an international and collaborative environment, based at our headquarters in Barcelona, where you will work closely with leaders across Europe and contribute to initiatives that shape both our people agenda and our business transformation.

At Cellnex, we believe in learning, internal mobility and an inclusive culture built on trust, collaboration and continuous growth.