IT Buyer – Public Procurement (Brussels) - Freelance
Aria Partner is looking for an IT Buyer to support one of its clients in structuring and executing its IT purchasing activities within a public procurement framework.
The mission takes place in an international and highly regulated environment, with significant challenges in digital transformation and critical IT solution management.
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You act as a buyer with a resolutely operational approach, supporting business and IT teams, to define, structure, and execute purchasing procedures compliant with public procurement regulations.
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You act as a true business partner, in conjunction with internal teams, legal functions, and suppliers, to ensure both high-performing and compliant results.
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Define and implement IT purchasing strategies (software, SaaS, IT services, hardware)
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Support internal teams in formalizing needs
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Translate business needs into robust and compliant market documents
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Manage public procurement procedures from A to Z (publication, analysis, award)
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Conduct supplier negotiations at local and international levels
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Structure contracts (scope, pricing, SLA) in collaboration with legal
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Ensure compliance with internal rules and public procurement legislation
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Manage supplier relationships (SRM), including escalations
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Contribute to the continuous improvement of purchasing practices
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Minimum 8 to 10 years of experience in IT purchasing
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Proven experience in public procurement (Belgium or Europe)
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Mastery of end-to-end purchasing procedures
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Expertise in IT sourcing (software, SaaS, services, outsourcing)
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Experience in multi-stakeholder environments
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Ability to work autonomously and hands-on
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Excellent analytical, structuring, and communication skills
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Good command of professional English
Analysis and problem-solving
Clear and structured communication
Results-oriented and pragmatic
- ️ Sense of compliance and attention to detail
Ability to evolve in complex and regulated environments
