HR & Payroll Administrator

The posting

Company description Publicis Re:Sources is at the core of Publicis Groupe, the world's largest communications company. We are the only full-service, end-to-end shared service organization in the industry, enabling Groupe agencies to do what they do best: innovate and transform for their clients. Formed in 1998 as a small team to service a few Publicis Groupe firms, Publicis Re:Sources has grown to 6,000+ employees in over 55 countries. We provide technology solutions and business services, including finance, accounting, legal, benefits, procurement, tax, real estate, treasury and risk management, information security, and global mobility — supporting 110,000+ employees across the Publicis Groupe network. Our people are at the center of everything we do, bringing curiosity, collaboration, and a commitment to excellence to their work every day. Learn more about Publicis Re:Sources and the Publicis Groupe agencies we support at publicisresources.com. Overview We are looking for an HR & Payroll Administrator to join our Shared Service Center team in Belgrade. This role combines payroll operations with HR administration and offers an opportunity to work closely with the HR & Payroll Manager, supporting accurate and timely payroll delivery while contributing to continuous process improvement. We are seeking a hands-on professional who enjoys working with data, numbers, controls and processes. Payroll will be the primary focus of the role, while the HR scope will mainly cover administrative activities across the employee lifecycle. Responsibilities Payroll Operations (Primary Focus) Support monthly payroll preparation, input collection and validation activities Review payroll-relevant data, including employee changes, absences, overtime, bonuses, new hires and terminations Coordinate with external payroll providers and internal stakeholders Perform payroll controls, data checks and month-on-month variance reviews Support payroll reporting, reconciliation and approval preparation Maintain complete payroll documentation and audit evidence Participate in payroll process improvement and standardization initiatives HR Administration Prepare and maintain HR documentation and employee records Support onboarding and offboarding administration Maintain accurate employee data in HR systems Support leave administration and regular HR reporting Respond to routine employee and manager queries related to HR administration Qualifications What We Are Looking For Previous experience in payroll processing, payroll administration or payroll support Working knowledge of payroll principles and employee-related calculations Strong numerical accuracy, attention to detail and analytical thinking Good Excel skills and confidence working with structured data Ability to manage recurring deadlines and multiple priorities Collaborative communication style and a strong sense of confidentiality A good command of English and Serbian Nice to Have Experience in finance, accounting, controlling or financial operations Experience working with external payroll providers Experience in a multinational company or Shared Service Center environment Interest in automation, AI tools and practical digital solutions for payroll processes Additional information Why Join Us? You will work closely with the HR & Payroll Manager and become an important part of the payroll function. The role offers a combination of operational responsibility, structured learning and the opportunity to improve the way payroll work is organized. We are exploring smarter and more efficient ways of working through process standardization, automation and AI-supported solutions. We do not expect an AI expert. We are looking for someone curious, open-minded and willing to learn, test ideas and help build practical improvements together with the team.