Contract management employee (m/f/x) – temporary – Belgium (Hybrid)

About the Mission

ONDRAF is the organization responsible in Belgium for the management of radioactive waste. Its main objective is to protect human beings and the environment, today and in the very long term, against the potential risks linked to the existence of this waste. Would you like to know more about our activities? Visit our website: www.niras.be. Your contact person at ProUnity for this request is Sara Ouaich. You can contact her by e-mail at the following address: niras@pro-unity.com In order to strengthen its Corporate Finance, Contracts and Business Controlling Directorate, ONDRAF is currently looking for a: Contract management employee (m/f/x) – temporary Context of the function In order to strengthen the Corporate Finance, Contracts and Business Controlling Directorate, NIRAS is looking for a temporary employee bringing solid expertise in the field of contract management. In this role, you will actively contribute to the professionalization and support of contract management within the organization. What do you actually do as a contract management employee? You manage agreements between ONDRAF and producers of radioactive waste as well as their extensions, contracts not subject to regulations relating to public procurement, conventions with Belgoprocess SA and protocols with foreign agencies and international organizations. You ensure the preparation, negotiation, conclusion and monitoring of these agreements, in close collaboration with internal stakeholders (operational teams, legal unit) and external partners. You actively monitor the progress of files and take initiatives to resolve blockages so that contracts are finalized correctly and on time. You act as a central point of contact for all parties involved and ensure that expectations and interests are carefully aligned, internally and externally. You play a support role, but also a steering role in contractual management and ensure that actions are effectively followed, including by others, in order to achieve concrete results. You actively contribute to the development of the Contracts unit as well as the development and optimization of management tools (dashboards, databases). You participate in consultation meetings and proactively contribute to solutions, taking into account strict deadlines and budgetary constraints. What skills are needed to start in this role? You have a master’s degree in a field relevant to the role (for example law, economics, management engineering or equivalent). You are ready to familiarize yourself quickly and in depth with the Belgian legislation governing the operation of ONDRAF and the management of radioactive waste. You have demonstrable experience in contractual negotiations, ideally in a scientific, technical or industrial context. You are comfortable with contracts with a strong technical or scientific component and know how to translate complex content into clear contractual agreements. You work in a rigorous and structured manner, with an eye for detail and in compliance with internal procedures as well as formal decision-making and signing processes. You have a proactive approach and take initiatives to move files forward without waiting for instructions. You are a good negotiator, capable of defending positions in a clear, diplomatic and convincing manner. You plan and organize your work effectively, ensure proactive follow-up of files and maintain an overview, even when several complex files are managed simultaneously. You are comfortable in a supporting role and find energy in facilitating the work of others. You take initiative, have a pragmatic attitude and are solution-oriented. You demonstrate flexibility in the face of change and maintain calm and concentration in pressure or emergency situations. You enjoy working in a team, while being able to work independently and spontaneously take responsibility. You express yourself easily in Dutch and/or French (oral and written) and have a good knowledge of English. You are comfortable with modern digital tools and office software, including document management, shared mailboxes and collaborative tools such as Copilot and OneNote. Workplace You will be mainly based in our offices in Brussels and will occasionally travel to our sites in Dessel-Mol (province of Antwerp). After an integration period, you will be able to telework up to 2 days per week. ************************************ NIRAS is installed in Belgium and is subject to radioactivity. Haar belangrijkste doelstelling is mens en milieu, vandaag en op zeer lange termijn, te beschermen tegen de mogelijke risico’s die verbonden zijn aan het bestaan ​​van radioactive afval. Will I spend more time over eleven activities? Read on eleven website www.niras.be. Our next contact for ProUnity is Sara Ouaich. I can send you an e-mail to your address: niras@pro-unity.com. Om onze Corporate Directie Financiën, Contracten en Business Controlling te versterken, zijn we momente op zoek naar een tijdelijke medewerker Contractbeheer (m/v/x) Context van de functie Om de Corporate Directie Financiën, Contracten en Business Controlling te versterken, is NIRAS op zoek naar een tijdelijke medewerker die sterke inhoudelijke expertise Binnenbrengt op het vlak van contractbeheer. In this role I have the opportunity to raise professionalism by contracting the organization. Wat doe je concrete als medewerker Contractbeheer? I beheert of overeenkomsten tussen NIRAS en de productionnten van radioactivief afval en de verlengingen, de contracten die niet onderworpen zijn aan de reglementering inzake overheidsopdrachten, de overeenkomsten met Belgoprocess nv en de protocolslen met buitenlandse agentschappen en international organisations. I have the opportunity to do this, on the other hand, and in the operation of these overeenkomsten, in new working conditions with internal partners (operational teams, legal teams) and external partners. I will be active in your files without initiating them if they are lost, but they will contract with the correct word in question. I will be working in the central location where you will hear all of the parts in the center and then they will be turned on and off, both internally and externally. I don’t know what to do with it, but it doesn’t work in the contract to be followed by the actual actions taken, but it doesn’t matter if the concrete results come to you. I am active in the field of data processing and optimization of tools (databases, databases). I don’t have too many moments to proactively move forward, but we have to meet strict deadlines in the budgetary direction. Welke vaardigheden heb je nodig om in deze job te starten? I beschikt over een masterdiploma in een voor de functie relevante richting (bv. rechten, economie, handelsingenieur de gelijkwaardig). I bent bereid je snel en grondig te verdiepen in de Belgische wetgeving die de werking van NIRAS en het beheer van radioactive afval regelt. I may be aware of any contractual obligations you may have in a wet, technical or industrial context. I want to be comfortable in the contract with the technical specifications of the weather conditions in the complex in the correct location and in the correct contract. I werkt nauwgezet en gestructureerd, put oog your details in respect of your internal procedures in formal besluitvormings- en ondertekeningsprocessen. I am proactive in not initiating files to help you, and I will provide you with instructions. I have no doubts about my position, diplomatism and overtuigende arguments can be verified. I plant in organizer I work efficiently, volgt proactive files op en bewaart overzicht, ook wanneer meerdere complex files parallel lopen. I want to be comfortable in an ondersteunende rol en haalt energie uit et facilienen en vooruithelpen van eteren. I don’t initiate it, but hands-on doesn’t take any action. I have flexibel om met wijzigende omstandigheden en behoudt rust en focus bij tijdsdruk dringende opdrachten. I am happy to work with a team, but it does not even work independently and does not take place spontaneously. Je drukt je vlot uit in het Nederlands en/of het Frans (mondeling en schriftelijk) en hebt een goede kennis van het Engels. I use modern digital tools in kantoorsoftware, file documents, mailboxes and samenwerkingstools and Copilot in OneNote. Plaats van tewerkstelling Je zal voornamelijk tewerkgesteld zijn en onze kantoren en Brussel en zal je af en toe verplaatsen naar onze sites en Dessel-Mol (provincie Antwerpen). This is an in-work period that lasts for 2 days per week.

Required Skills

Microsoft Office

Practical Information

• Company: Confidential
• Location: Brussel – Hybrid
• Start Date: 30 June 2026
• End Date: 18 December 2026
• Duration: 7 months
• Contract Type: Freelance / Mission
• Application Deadline: 20 June 2026