HR Payroll & Administration Specialist

Are you an experienced payroll and HR administration professional who enjoys ownership, accuracy, and variety? We are looking for an HR Payroll & Administration Specialist to take the lead on payroll and HR administration across 4 Belgian entities. This is a hands-on position for someone who enjoys combining operational excellence with legal accuracy, while working in a fast-moving, multicultural, and collaborative business environment.

Main Responsibilities and Shared Tasks

• Payroll Management: Managing the full payroll cycle in coordination with 3 social secretariats (collecting, encoding, and checking inputs; loading annual holiday calendars; reviewing simulations, payslips, and offboarding calculations).
• Administration & Contracts: Drafting and managing employment offers, contracts, and addendums in compliance with Belgian labour law and CP200 requirements; supporting onboarding/offboarding processes.
• Temporary Staff Coordination: Collaborating directly with the interim agency regarding temporary staff weekly schedules and invoices.
• Labour Law & Compliance: Monitoring Belgian social legislation, reviewing and updating work regulations, supporting the development of HR policies, and providing practical compliance guidance.
• Social Elections: Supporting the HR Director with the structured preparation, administrative follow-up, milestone planning, and legal compliance of social elections.
• Collaboration & Improvement: Working closely daily with the HR Assistant and HR Director; acting as a trusted link between teams and contributing to the continuous improvement of HR operations.

• Education & Experience: Bachelor’s or Master’s degree in HR combined with 4 to 6 years of experience in Belgian payroll and HR administration.
• Legal Knowledge: Solid understanding of Belgian labour law, ideally within CP200. Proven experience working in a multi-entity and/or multi-provider environment.
• Languages: Fluency in English, Dutch, and French is required.
• Soft Skills: Structured, reliable, hands-on, with a strong attention to detail, a proactive mindset, and strong relationship-management skills.
• Eligibility: Eligible to work in the EU.

• Contract Type: Full-time job (40h/week) with 12 recuperation days per year.
• Flexibility: Teleworking policy in place, including 1 fixed home-working day per week, with additional days possible when business needs allow. Regular in-office presence in Brussels is required.
• Salary & Benefits: Competitive salary package including meal vouchers, hospitalisation, and group insurance.
• L&D Opportunities: Continuous learning and professional development via our internal institute (online & offline L&D suites).
• Company Culture: A collaborative, international, and people-focused organization where HR plays a central, high-impact role.

Our client is a leading international agency and a global leader in association management, congress organization, and live events. They support a diverse portfolio of clients worldwide through high-level strategic, creative, and technological solutions.

If you recognize yourself in this description, we look forward to meeting you and supporting your career path: we are at your service. At Unique, diversity and inclusion are values we prioritize. Here, you can excel in your individuality.