Senior Construction Buyer (Oosterweel Project - Antwerpen)

About the company

BESIX Group is a leading multidisciplinary Belgian Group, active in construction, real estate development, and concessions. Founded in 1909, BESIX has grown impressively and now operates across Northern and Eastern Europe, North and Central Africa, the Middle East (via BESIX Construct), as well as in Australia.

The Group distinguishes itself through its internal Engineering Department, offering deep expertise in geotechnical engineering, concrete technology, planning, BIM, System Engineering, and other advanced tools.

BESIX achieved a turnover of EUR 4.1 billion in 2025 and employs approximately 10,000 people across 26+ countries, representing over 80 nationalities.

BESIX is committed through sustainable and responsible practices to leave a positive legacy. We integrate Environmental, Social, and Governance (ESG) principles into our operations. From reducing carbon emissions and promoting circular construction to fostering inclusive workplaces and ethical governance.

Our sustainability charter and roadmap guide us in creating long-term value for communities, clients, and future generations.

Learn more at: https://www.besix.com/

About the project

BESIX is working—together with leading partners from the Belgian construction sector—on one of the most ambitious infrastructure projects in our country: the Oosterweel Link – ROCO Project.

On the Rechteroever, we are constructing the new Canal Tunnels, deepening the Antwerp Ring Road, and creating space for a greener, safer, and future-oriented urban environment.

With this project, we are literally and figuratively helping to build a healthier, more efficient, and livable region for hundreds of thousands of residents and commuters.

This is your chance to be part of a historic moment in infrastructure!

More info: https://www.roco.be

Full job description

As a Senior Construction Buyer, you will:

• Be in charge of the procurement plan for projects involving earthworks, demolitions, and civil works;
• Take off and schedule materials from drawings and specifications;
• Collaborate with BESIX Group Procurement category managers to leverage optimal conditions for specific projects;
• Send out supplier tender inquiries and analyse the received responses;
• Source, select, and negotiate the best purchase packages considering quality, price, terms, delivery, and services with suppliers and contractors;
• Prepare purchase documents and issue orders in accordance with specifications;
• Assist construction sites with daily plant and materials requirements;
• Coordinate with suppliers to ensure on-time delivery;
• Deal with site or supplier delivery and invoice queries;
• Oversee the preparation and processing of purchase orders and documents in compliance with company policies and procedures;
• Report to the head of Purchasing of the Oosterweel Project.

Qualifications and requirements

• You have a bachelor's or master's degree in Engineering or in Construction;
• You have prior experience as a Construction Buyer, ideally with infrastructure projects;
• You have at least 5 year experience in the purchase of construction works;
• You speak and write Dutch fluently and have a good command of English;
• You have good knowledge of materials used in groundworks;
• You have strong negotiation skills;
• You have commercial sensitivity;
• You are open-minded and an active listener;
• You are a team player and you have good communication skills;
• You have good knowledge of MS Office.

Additional information

A career at BESIX is a lot more than just a job, it's about being part of our changing and innovative world. Your skills, ambition and passion will contribute to the development of our different businesses and allow us to succeed in the challenges of the coming years.

Working for the BESIX group allows you to be a part of a dynamic, creative and entrepreneurial company. It gives you a safe and collaborative working environment with ambitious and innovative goals for the world of tomorrow, but also for your career and personal development.

We are looking for different kinds of personalities, mindsets, backgrounds and genders to build the iconic and sustainable projects of tomorrow.

Are you ready to make an impact and leave a positive legacy for years to come? If you are passionate about our purpose to Excel in creating sustainable solutions for a better world, come and join our caring BESIX family. Together we will co-create our future.

Working at BESIX brings a lot of great benefits including:

• An attractive remuneration package including a salary in line with the market and a range of employee benefits such as flexible mobility advantages, extra-legal pension, medical care insurance, work-life balance program (such as teleworking, child care, flexible work schedule, mobile working), Health Management (sport, health check-up program, …);
• Career development programs that serve not only to ensure that you are constantly learning and improving but also that give you the possibility to expand your career horizon;
• A dynamic, creative and safe working environment with innovative colleagues supporting your endeavors (ideas, projects, goals, ambitions)
• Possibility to work on complex projects within both a local and international environment;
• The choice to remain locally anchored for the coming years or to seek an exciting international career opportunity within the group.

• You have a bachelor's or master's degree in Engineering or in Construction;
• You have prior experience as a Construction Buyer, ideally with infrastructure projects;
• You have at least 5 year experience in the purchase of construction works;
• You speak and write Dutch fluently and have a good command of English;
• You have good knowledge of materials used in groundworks;
• You have strong negotiation skills;
• You have commercial sensitivity;
• You are open-minded and an active listener;
• You are a team player and you have good communication skills;
• You have good knowledge of MS Office.

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