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