Administrative Assistant Backoffice

ELIA

Brussels, 1000 Posted November 11, 2026

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Hybrid Full-time Mid level
Job Description

Function The Administrative Assistant is in charge of providing administrative support to the CEO's (and CHRO's) Back Office, under the supervision of the CEO's Assistant. The position ask for a good sense of confidentiality, discretion and collegiality, and organizational competences. As Administrative Assistant, you will have the following main responsibilities:

Preparing and collating the documents/presentations/briefings required for the Heads of Groups's meetings; Providing support with planning seminars/trips; Providing support for the organisation of events and for efficient event management; Taking the steps required to ensure that meetings run smoothly (logistics, catering, and internal and external orders), visitors are welcomed seamlessly, and so on; Making rolling updates to the Heads of Group's work and private contacts and managing/organising their business trips; Processing and managing the internal and external correspondence of the Heads of Group; Processing, managing and tracking orders and invoices relating to the Heads of Group (requiring a good knowledge of SAP, Fiori and Edoc ); Archiving and classifying official/confidential documents.

Your Profile

  • Basic training required: secretarial training Experience required: administrative, multidisciplinary knowledge An ability to work in Dutch and French; knowing English would be a real plus Proficiency with PowerPoint, Excel, Word, Outlook, SAP, Edoc , etc. Personal attributes: discretion, respect for confidentiality, collegiality, team spirit, communication and organisational skills, and a desire to develop your skills 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 :

  • Sinterklaas and 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 (close to the central train station) Hybrid working policy.
Required Skills
administrative support event planning logistics SAP Dutch French English PowerPoint Excel communication
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