Job description
Sia is looking for a motivated student to support our HR and Office Management activities in Brussels, Boulevard de Waterloo 16.
You will work closely with the HR Manager, HR and Talent Acquisition Officers, the Sia management team, and the consultants, of course, on daily operations and transversal projects, gaining hands‑on experience in office management, HR administration, recruitment & onboarding support, fleet management, and internal communication.
Main tasks:
Office Management & Facilities
1. Serve as a point of contact for employees and visitors at the office (reception, basic information, orientation)
2. Support the day‑to‑day office operations: supplies, badges, mail, deliveries, meeting rooms
3. Support the fleet management (mainly laptops and phones)
4. Assist in the coordination with external suppliers (cleaning, maintenance, IT equipment, catering, etc.)
5. Participate in small internal events logistics (breakfasts, afterworks, celebrations)
6. Help ensure that the office environment is welcoming and well‑organized
7. Contribute to internal communication
8. Perform other ad‑hoc tasks to support the HR and Office Management team
HR Administration & Support
9. Assist with the preparation, filing and updating of employee records and HR documents (contracts, annexes, certificates, etc.)
10. Help maintain and update HR databases and HRIS tools (personal data, absences, holidays, etc.)
11. Support the preparation of documents for payroll
12. Support data entry and consolidation in Excel or other tools
Recruitment & Onboarding
13. Publish job ads on various platforms and manage applications (screening CVs, updating tracking files)
14. Schedule interviews with candidates and hiring managers
15. Prepare onboarding documents and welcome packs for new hires and interns
16. Help organize onboarding sessions and support new employees during their first days
In return, you can expect:
17. Student job / internship with compensation according to Belgian regulations
18. Real responsibilities from day one
19. Strong learning opportunities and professional development
20. International & multicultural environment that gives importance to diversity, inclusion, employee well-being and corporate social responsibilities actions.
21. A great and modern working atmosphere with friendly and professional colleagues where innovation and entrepreneurship are encouraged
22. Flexible & student‑friendly conditions
23. Compensation in line with Belgian student contract / internship regulations
Qualifications
24. Currently enrolled in a Bachelor’s or Master’s degree, preferably in: Human Resources Management, (Organizational) Psychology, Social Sciences Office Management, Management Assistant, Business Administration Or another relevant field
25. Eligible for a student contract in Belgium / internship through University and be available part-time (tbd) for a period of 3 to 6 months starting January
26. Languages: Trilingual French, Dutch and English.
27. Based in or near Brussels
28. Outstanding collaborative team player and good communication skills
29. Strong interest in HR
30. Strong organizational and multitasking skills
31. Autonomous, dynamic, and committed
32. Attention to detail and reliability in handling confidential information
33. Good communication skills, both written and verbal
34. Proactive, hands‑on, willing to learn and take initiative
35. Comfortable working in a dynamic, multicultural environment
Additional information
We are unable to provide a work permit for this position.
Sia is an equal opportunity employer. All aspects of employment, including hiring, promotion, remuneration, or discipline, are based solely on performance, competence, conduct, or business needs.
Sia is an equal opportunity employer. All aspects of employment, including hiring, promotion, remuneration, or discipline, are based solely on performance, competence, conduct, or business needs.