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We are looking for

People Operations Officer (H / F / X)

About 5th floor

At 5th Floor, we help our clients transform complex environments into useful and accessible digital solutions. We place people at the heart of every project and are convinced that technology is only valuable if it meets real needs.
Our multidisciplinary teams work together to design, develop, and improve meaningful digital products.

Your role as People Operations Officer

As part of the People team, you will play a key role in ensuring the smooth running of the company’s HR and administrative operations. You will handle day-to-day HR administrative and office management tasks with rigour, autonomy and a strong sense of organisation. You will be the point of contact for ensuring the smooth running of administrative processes related to the employee lifecycle, whilst actively contributing to the continuous improvement of internal practices. You will work directly with the People team (HR Lead and HR Officer) as well as with the various internal departments.

Your mission

HR Administration & Personnel Management

  • Handle the administrative aspects of employee onboarding and offboarding
  • Prepare and manage contracts, amendments and HR documents
  • Keep employee files and HR data up to date
  • Manage registrations, access rights and internal administrative communications
  • Contribute to the structuring and continuous improvement of HR administrative processes

Payroll & HR Administrative Support

  • Liaise with the payroll service provider (SD Worx)
  • Collect and submit payroll data
  • Check payslips and follow up on discrepancies
  • Assist with leave tracking and time management
  • Contribute to the management of employment support schemes and any relevant subsidies (Sesam, etc.)

Benefits & fleet management

  • Handle the administrative management of non-statutory benefits (group and hospitalisation insurance, meal vouchers, IT equipment, mobility-related benefits, etc.)
  • Manage the vehicle fleet on an operational level: vehicle orders and returns, claims management, coordination with suppliers and leasing companies
  • Help monitor the mobility plan and associated alternatives

Office management & operational support

  • Ensure the smooth day-to-day running of the offices
  • Manage suppliers, orders and logistical requirements
  • Manage user access and internal tools
  • Help organise the logistics for internal events
  • Handle the administrative follow-up for training courses and associated obligations

Your profile

Experience & knowledge

You have at least 5 years’ experience in HR or a related field, ideally in a similar operational role and an experience in the IT sector is an advantage.

You have a good understanding of: personnel administration, payroll management, Belgian social security legislation and projects administrative management.

Soft skills

  • You work with rigour, precision and organisation
  • You are self-reliant and able to manage your priorities effectively
  • You take the initiative and naturally seek solutions
  • You enjoy structuring, improving and driving things forward
  • You are comfortable in a dynamic and fast-growing environment
  • You have excellent written and oral communication skills
  • You are fluent in French, have a good understanding of English, and knowledge of Dutch is an advantage

Ready to take up the challenge of People Operations Officer? Join us at the 5th!

  • Double holiday pay & 13th month’s salary
  • Option to work from home
  • Continuous professional development
  • Company laptop & mobile phone (mobile phone contract)
  • Lump-sum allowance
  • Meal vouchers & eco-vouchers
  • Group insurance
  • Hospitalisation insurance (DKV)
  • Healthcare and wellbeing cover

Publication date:

May 2026

Contract type:

Permanent contract – part time

Location:

Brussels (hybrid)

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