Executive Assistant,

Excited to work for a key Belgian player in the energy landscape? The Belgian and European energy landscape is in full swing. Did you know that Elia Belgium plays a crucial role in this? As part of Elia Group, a European transmission system operator, Elia Belgium ensures the reliability and sustainability of the electricity supply in our country. Side-by-side with your talented colleagues, you will play a part in building a sustainable, green and reliable energy infrastructure that stimulates economic growth and reduces our ecological footprint. Only together can we make the biggest impact possible We believe in the power of diversity we are convinced that an inclusive and diverse work environment leads to more innovation, creativity and better results. Executive Assistant Requisition ID 11309 Posting Start Date 08/09/2026 Function As Executive Assistant to the Chief Customers, Markets and Systems (CO CMS) of Elia Transmission Belgium (ETB) you are responsible for the efficient organization, coordination, and support of all daily activities of the CO CMS. You work autonomously and with the utmost discretion, manage confidential information, and play a key role as the link between the CO CMS, internal stakeholders, and external partners. Through your professional approach and strong organizational skills, you contribute to ETB’s consistent and positive image and to the optimal and efficient functioning of the CO CMS office. Your

Key Responsibilities
Proactively and efficiently manage the CO CMS’s agenda, including scheduling appointments, meetings, seminars, and business trips. Organize and prepare internal and external meetings, seminars, and related documentation; collect and review all required documents. Act as the primary point of contact and filter between the CO CMS and internal departments or external stakeholders; manage requests, consolidate information, and ensure timely follow-up. Handle incoming and outgoing correspondence (emails, letters, etc.). Ensure the efficient administration of expenses and logistical matters related to the CO CMS. Continuously maintain and update professional and personal contact information. Organize business travel and coordinate with external suppliers and service providers. Act as secretary to the CMS Core Team (CO CMS and direct reports) and follow up on all action points. Support the department’s budget management, including preparation, expense tracking, and invoice verification. Serve as a buffer and ambassador of the company’s values, ensuring a consistent and professional representation of the organization. Demonstrate flexibility, autonomy, discretion, and strong organizational skills while conveying positivity and dynamism to all stakeholders.

Your Profile
Bachelor's degree in Office Management, Languages, Legal Practice, or equivalent experience. Excellent command of French, Dutch, and English, both spoken and written. Knowledge of German is considered an asset. At least 5 to 10 years of experience in a similar role supporting executive management or a leadership committee. Able to work autonomously, confidentially, and discretely, while remaining flexible, customer-oriented, proactive, and highly organized.
Strong sense of responsibility and the ability to work accurately and professionally. Excellent communication, facilitation, and interpersonal skills, with the ability to act as an effective interface between internal and external stakeholders. Advanced knowledge of Microsoft Office (PowerPoint, Excel, Access, Word, and Outlook). Experience with SAP is a plus. Curious and eager to explore the opportunities offered by Artificial Intelligence (AI) to further optimize daily tasks and processes. Possess legal, technical, and administrative knowledge. Experience with videoconferencing and mind-mapping tools is an asset. A true team player who can set priorities effectively and perform well under pressure. Offer Salary a competitive salary package, year-end bonus, double vacation pay, meal vouchers (€10 per working day) and a bonus based on group results. Insurance group insurance, hospitalisation insurance and ambulant care for the whole family. Vacation you will be entitled to 20 vacation days and 13 additional vacation days. Social fund Year-end vouchers, birth and marriage allowances. We will also cover part of the cost of glasses, a dental prosthesis or other medical needs. Communication you will be given an iPhone, a phone subscription (for work and private use) and a laptop. Discounts you will enjoy a 30% discount on your gas and electricity bill. Mobility you will be given a season ticket for public transport or a contribution to the cost of commuting to and from work as concessionary travel (66% of the cost of a second-class monthly train season ticket). Elia shares Elia will give you the opportunity to subscribe to shares with a discount of 16.66% on the average share price. Location Boulevard de l'Empereur 20
- 1000 Brussels There’s something electric in the air with this job offer In exchange for your work and dedication, you enjoy the following benefits A job full of variety with a top employer Elia encourages innovation and collaboration. Within our company you will be at the forefront of the energy transition, and you will have the chance to contribute to ground-breaking technologies designed to accelerate this transition. It is a one-of-a-kind opportunity to further develop your knowledge and skills. Focus on personal growth and well-being at work Discover a wide range of professional training and coaching opportunities that are guaranteed to give your personal growth a solid boost. At the same time, as a top employer, we put maximum effort into a positive work culture in which your well-being is central. Development opportunities for a challenging career At Elia, we encourage you to seek out and seize new professional opportunities. You will enjoy complete freedom to shape your career on your own terms. A diverse team of passionate colleagues Elia puts a high value on diversity and inclusion. You will join a diverse and passionate team that enjoys sharing knowledge and leading the way towards a more sustainable future together. These are just a few of the benefits that distinguish Elia as a Top Employer. We are convinced that your contribution to our team will be invaluable and look forward to welcoming you soon Apply now