Public Procurement Buyer

Public Procurement Buyer (Waterloo) – Consultant – Permanent Contract – Part-time

Aria Partner is recruiting a Public Procurement Buyer, with a good understanding of regulations and operational experience in public procurement procedures, to support one of its clients.

By joining our firm, you will be involved in complete procedures (A→Z) covering supply, service, and works contracts, with a progressive level of autonomy depending on the complexity of the cases.

🤝 Type of collaboration: Permanent Contract

⏳ Schedule: part-time

🏡 Work mode: hybrid / flexible

🎓 Level: Consultant (min. 3 years)

⚡ Sector: public sector / intermunicipal

📍 Location: Waterloo (with flexibility)

Your role

You will support the client's teams in the preparation and management of their public procurement procedures, from needs definition to award.

You will act as a structuring operational support, ensuring the compliance of procedures while guaranteeing their efficiency and proper execution.

Your main missions

• Participate in defining the acquisition strategy
• Support teams in formalizing needs
• Contribute to drafting special specifications
• Define selection and award criteria
• Manage procedures via e-Procurement
• Participate in managing the forum and interactions with the market
• Analyze offers (administrative, technical, financial)
• Contribute to drafting analysis reports
• Ensure the encoding of files in the 3P platform
• Ensure compliance with deadlines and regulatory requirements
• Collaborate with internal teams and stakeholders

Your profile

• Minimum 3 years of experience in public procurement
• Experience in participating in or managing public procurement procedures
• Good knowledge of Belgian public procurement legislation
• Experience in drafting or contributing to special specifications
• Ability to manage multiple cases simultaneously
• Good analytical and structuring skills
• Ability to work in a team and adapt to different interlocutors
• Good command of French

Tools

• Experience with e-Procurement (essential)
• Initial experience with 3P is a plus
• Good command of MS Office

Your skills

🎯 Organization and respect for deadlines
🧠 Analytical and synthesis skills
⚖️ Rigor and compliance awareness
✍️ Good writing skills
🤝 Good interpersonal skills
💡 Proactivity and eagerness to learn

• Contribute to concrete and varied public procurement projects

• Work flexibly on part-time assignments

• Evolve in a collaborative and structured environment

• Develop your expertise on varied projects

• Benefit from a flexible framework suitable for freelance or mixed activity

• Screening and initial contact

• HR assessment and/or interview

• Interview Manager

• Contract offer at Aria Partner, or client presentation