Internship in Engineering Office (Brussels)

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

Are you a student in Civil Engineering, Construction Engineering, Architecture, or a related field and looking for an internship in Belgium? Great! BESIX is continuously looking for motivated interns eager to contribute to large and complex projects.

During your internship in our Engineering Office, you will work alongside experienced engineers and experts, gaining hands-on experience in the technical preparation and optimization of major construction projects. Depending on your interests and background, you may have the opportunity to contribute to disciplines such as methods & planning, BIM, design, geotechnics, sustainability, facades, concrete structures, or special techniques.

Your mission:

• Support engineers in the technical preparation and execution of construction projects;
• Assist in the development of methodologies, technical studies, and engineering solutions;
• Contribute to the preparation of drawings, calculations, models, and technical documentation;
• Participate in BIM, design, planning, or sustainability-related tasks depending on your field of interest;
• Collaborate with multidisciplinary teams to optimize project performance and constructability;
• Assist in the analysis of technical challenges and the development of innovative solutions.

Do you want to put your theoretical knowledge into practice and gain valuable experience on iconic and challenging projects? Then send us your application! BESIX invests in young talent, and this internship could be the start of an exciting career within the Group.

What if you were BESIX's next talent?

• You are pursuing a bachelor/master degree - civil/industrial engineer construction, architect engineer or equivalent;
• You wish to do an internship in our study office in Brussels;
• Your internship period should be at least 4 full weeks (preferably from 6 full weeks). Please mention your internship period with your application;
• You speak Dutch/French and you have good knowledge of English;
• You are analytical, autonomous and driven;
• You are communicative, you like to take initiative and you are a real team player;
• You are flexible and proactive towards possible problems and challenges.

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.

In line with its behavior of “Be Inclusive”, BESIX intends to accommodate for any reasonable accommodation (non-disproportionate burden), tangible or intangible, that would neutralize the limiting influence of an inappropriate environment on the participation of a person with a disability. Talk to your recruiter when applying.

Are you ready to make an impact and leave a positive legacy for years to come? If you are passionate about our purpose: “We take on today’s boldest challenges to build a lasting legacy”, 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, 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.