Skip to main content


Sia Partners

Senior Consultant in Procurement

Boulevard de Waterloolaan 16, 1000 Brussels, Belgique

Company description

Sia Partners is a specialist Management Consulting firm created in 1999 and has grown into a global firm with approximately 2800 employees and annual revenue exceeding $400m. Our culture is strongly orientated towards high-quality expertise and delivering excellent results and outcomes for our clients, which include a wide range of multinational companies. Our global presence and our expertise in more than 40 sectors and services allows us to accompany clients worldwide. Using innovative technologies such as our own in-house apps, social networks, and digital tools, we provide a truly integrated global service.

Through Consulting for Good, we put our expertise at the service of our clients' climate objectives and make sustainable development a performance lever for our clients. Our portfolio of offerings is cross-sectors and 17 % of our revenue is generated from engagements with a CSR focus.

Job description

You will be supporting our clients in improving competitiveness through the transformation of Procurement, Finance and Supply Chain:

·Source to Pay Process Improvement and Tools, Digitalization of the Purchasing process

·Choice of solutions: S2P, Market Places, Costing and Market Intelligence tools, Spend analytics

·Lean Source-to-Pay

·Purchasing operational model - Purchasing policy and Purchasing strategic roadmap - Production and non-production category strategies - Purchasing function service commitments - Purchasing pooling - Coordination, CSP, ...

·Environmental transition: Detection and transformation of CSR opportunities - Purchasing and supplier carbon assessments - Low-carbon trajectory for external expenditure - CSR evaluation and reporting tools - Circular economy and waste recovery

· Risk management: Choice of risk detection and management tools - Industrialisation of supplier risk management (RGPD, Security, SAPIN II, Supply Chain, Cybersecurity...) - Purchasing risk mapping, audits - Supplier development plans

·Spend optimisation: Diagnosis of expenditure and commercial conditions - Onboarding of internal customers, review of demand - Action plan, projection of economic impacts - Reduction of consumption, consultation and negotiation, reversibility management


You will get the opportunity to actively contribute to Sia Partners’ internal activities:

·Development and reinforcement of our offer, by understanding and interpreting Financial performance and strategy

·Business development, by contributing to need definition and participating in our commercial initiatives

Equipped with the entrepreneurial fibre, you are ready to collaborate with us in a fast growing company.

In return, you can expect:

·An international company that gives importance to diversity, inclusion, employee well-being and corporate social responsibilities actions.

·A great working atmosphere with friendly and professional colleagues where innovation and entrepreneurship are encouraged 

·A personal development plan with a regular follow-up as well training opportunities to develop yourself

·A competitive salary with great advantages, like mobility budget, hospital insurance, performance -related bonus,...


  • Master degree in applied economics/engineering/computer science/statistics/econometrics/…
  • 3 to 6 years’ experience within a consultancy firm
  • Knowledge in procurement strategy
  • Outstanding team player and good communication skills
  • Analytical mind, exploring options and able to synthesize into conclusions
  • Autonomous, dynamic, result oriented, rigorous and committed
  • Language skills: French, Dutch and English
  • Prepared to participate in temporary assignments abroad (e.g. France, The Netherlands)

Additional information

We are unable to provide a work permit for this position

Sia Partners 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 Partners 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.