Internship Administrative Fleet Assistant

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 Administrative Support, Office Management or a related field and looking for an internship in Belgium? Great! BESIX is looking for motivated interns throughout the year.

Your mission

- Provide administrative support to the Fleet Department in its day-to-day activities;
- Manage and follow up on fleet-related documentation (vehicle registrations, insurance documents, contracts, fuel cards, fines, etc.);
- Handle incoming and outgoing emails and ensure proper follow-up of requests from employees, suppliers and external partners;
- Maintain and update fleet databases, files and reports;
- Support the planning and coordination of vehicle deliveries, returns and maintenance activities;
- Assist the team with various administrative tasks such as filing, archiving, data entry and document preparation.

Do you want to put your theoretical knowledge into practice and gain hands-on experience in a dynamic international environment? Then send us your application! BESIX invests in young talent, and this internship could be the start of an exciting career within the Group.

Requirements

You want to do an internship at our head office (Woluwe-Saint-Lambert),; You are in a Bachelor / Master type training - Administrative assistant or equivalent,; Your internship period must be at least 6 weeks full-time.Please mention your internship period in your application,; You speak French/Dutch and you have a good knowledge of English,; You have a good knowledge of the Microsoft Office 365 suite (Word, Excel, Power Point, ...),; You are dynamic and you have a sense of the organization,; You are communicative, proactive and you are not afraid of being in direct intervention and cooperation with multiple stakeholders.

Benefits

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.