HR Payroll & Administration Specialist

Job Description
Posting Start Date: 24/05/2026
Job Title: HR Payroll \& Administration Specialist
We are a global engagement and marketing agency that creates human\-centric touchpoints that unleash the power of people to deliver innovation and growth. Firm believers in the power of building community since 1987, we are helping brands, associations and not\-for\-profit organisations solve their key people challenges through our core expertise: Live \& virtual events, Strategic \& digital communications and Consulting \& community solutions. We are an independently owned agency, headquartered in Geneva, Switzerland, with a global presence of 62 offices in 34 countries.

Job Description:

Are you an experienced payroll and HR administration professional who enjoys ownership, accuracy and variety?

We are looking for HR Payroll \& Administration Specialist .

In this role, you will take the lead on payroll and HR administration across four Belgian entities under CP200 (\+/\- 120 employees), working in close collaboration with three social secretariats , the HR Assistant, and the HR Director.

You will play a key role in ensuring that our payroll, contracts, HR documents and labour law obligations are managed with precision, consistency and care. 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.

The role requires regular in\-office presence in Brussels. A teleworking policy is in place, including one fixed home\-working day per week , with additional home\-working days possible when business needs allow.

KEY RESPONSIBILITIES

1\) Payroll management:

You will manage the full payroll cycle for multiple entities, ensuring accuracy, timeliness and compliance. Your responsibilities will include:

• Collecting, encoding and checking payroll inputs, including absences, variables, contracts and employee changes


• Loading on a yearly basis all calendars in the holiday platforms


• Coordinating payroll activities with three social secretariats


• Reviewing payroll outputs, including simulations, payslips and offboarding calculations


• Preparing payroll files for final validation by the HR Director


• Ensuring high\-quality data and resolving discrepancies proactively

Acting as a reliable point of contact for payroll\-related questions

• 2\) Administration \& contracts:

You will ensure that all employee documentation is accurate, compliant and aligned with internal practices. You will be responsible for:

• Drafting and managing employment offers, contracts and addendums


• Ensuring compliance with Belgian labour law and CP200 requirements


• Supporting onboarding and offboarding processes


• Ensuring alignment with entity\-specific compensation and benefits practices


• Maintaining clear, structured and up\-to\-date employee documentation

Direct collaboration with the interim agency for temp’s staff (weekly schedule, invoices, etc.)

• 3\) Labour law \& compliance

You will help translate legal requirements into practical hr actions, including:

• Monitoring Belgian social legislation and identifying required hr updates


• Ensuring that contracts, templates and hr documents remain legally compliant


• Reviewing and updating work regulations to ensure full compliance


• Supporting the development and maintenance of hr policies

Providing practical guidance on payroll and administration\-related compliance topics

• 4\) Social elections

You will support the HR Director with the preparation and coordination of social elections, ensuring that the process is structured, compliant and well documented, including:

• Supporting the planning and follow\-up of key milestones


• Ensuring deadlines and legal requirements are respected


• Coordinating documentation with internal and external stakeholders

Supporting communication and administrative follow\-up

• COLLABORATION

You will work closely with internal and external partners to ensure smooth, reliable and professional HR operations, including:

• Collaborate daily with the HR Assistant


• Work closely with the HR Director on payroll, compliance and administration topics


• Act as a trusted link between HR, social secretariats, employees and management

Contribute to continuous improvement of HR processes and ways of working

• YOUR PROFILE

You are structured, reliable and hands\-on, with a strong sense of ownership and a genuine interest in payroll, people administration and labour law. You bring:

• Candidates should hold a Bachelor/Master degree in HR combined with 4 \- 6 years of experience in Belgian payroll and HR administration


• Solid knowledge of Belgian labour law, ideally within CP200


• Hands\-on payroll experience, including encoding, checking and follow\-up


• Experience working in a multi\-entity and/or multi\-provider environment


• Strong attention to detail and a high level of accuracy


• A proactive mindset and the ability to anticipate issues


• Strong communication and relationship\-management skills


• The ability to work both independently and as part of a team


• Fluency in English, Dutch and French

Eligible to work in the EU

• WHAT IS IN FOR YOU:

This is an opportunity to join a multicultural, innovative and dynamic organisation where HR plays a central role in supporting people, compliance and operational excellence. You can expect:

• A high\-impact role with real ownership and visibility


• Exposure to a complex and stimulating multi\-entity HR environment


• Close collaboration with HR leadership


• A balanced scope combining payroll, HR administration, legal compliance and process improvement


• The opportunity to contribute to more efficient and professional HR ways of working


• A collaborative, international and people\-focused company culture


• A working environment where accuracy, initiative and continuous improvement are valued


• A full\-time job (40h/weeks with 12 recuperation days per year) with telework possibility


• A competitive salary package which includes: meal vouchers, hospitalisation, and group insurance

Continuous learning \& development opportunities via our MCI Institute (online \& offline L\&D suites)

• MCI is where you can bring your true self to work and be proud of what you do. Join us and make a difference!

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