Internship Administrative Fleet Assistant

BESIX; Brussel; On-site; EUR 7,800 - 15,000; Full time

Benefits offered by this job

Competitive remuneration

Teleworking options

Health management

Job summary

BESIX Group in Belgium is seeking an Internship Administrative Fleet Assistant to provide essential fleet admin support and help manage documentation.

You will work from our Woluwe-Saint-Lambert head office, handling emails, updating databases, coordinating deliveries and maintenance, and collaborating with multiple stakeholders.

The ideal candidate is in Bachelor/Master training in administrative field, speaks French or Dutch with English, and is proficient in Microsoft Office 365.

Qualifications

• Bachelor or Master in Administrative Support or equivalent.
• Internship duration of at least 6 weeks full-time.
• Fluent in French or Dutch with good English.
• Proficient in Microsoft Office 365.

Responsibilities

• Provide administrative support to the Fleet Department.
• Manage fleet-related documentation and records.
• Handle emails and coordinate with employees, suppliers and partners.
• Maintain fleet databases and generate reports.
• Assist with scheduling deliveries, returns and maintenance.
• Archive and file documents as required.

Skills

French/Dutch

English language

Communication

Teamwork

Education

Bachelor/Master in Administrative Support or equivalent

Tools

Microsoft Office 365

Job description

Internship Administrative Fleet Assistant

• Entities: BESIX NV/SA
• Afdeling: People

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.

• You want to do an internship at our head office (Woluwe-Saint-Lambert);
• You are in a Bachelor / Master type training - Administrative assistantor 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.

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.

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.