Description: For a client based in Luxembourg, we are currently looking for a Receptionist to support the front desk operations from 9 to 25th September 2026 under an temporary contract. Responsibilities : • Standard reception duties, • Welcome and register external visitors, • Answer, screen and forward incoming telephone calls, • Handle incoming and outgoing mail, including dispatch and distribution, • Book and manage meeting rooms and support meeting logistics when needed, • Monitor office supplies, • Refill fridges and coffee machines. Required profile : • Proven experience in a reception / front office or administrative support role is an advantage, • Strong service mindset, reliability and attention to detail, • Comfortable working in a busy office environment and handling multiple tasks Language requirements : • Fluent French and English (mandatory) • German and Luxembourgish are an asset Contract & Location : • Temporary assignment (interim contract) • Dates: 09–25 September 2026 • Location: Luxembourg

Luxembourg House of Cybersecurity g.i.e. established in 2010 under the patronage of the Ministry of Economy, in partnership with SIGI and SYVICOL is strengthening its high performing team. We are currently seeking a Web-Stack Developer with UX/UI & Communication Sensitivity (m/f/d) on a full-time permanent contract basis to join our team. Mission and role We are looking for a versatile Developer who combines strong technical expertise with a keen sense of user experience, design, and communication. This role is ideal for someone who understands that building digital solutions is not only about writing clean code, but also about creating intuitive, engaging, and user-centered experiences aligned with business and communication objectives. You will work at the intersection of technology, design, and strategy, contributing to the development of impactful digital platforms and tools. Key responsibilities • Design, develop, and maintain digital platforms • Translate business and communication needs into functional, user-friendly solutions • Collaborate closely with communication and content teams • Contribute to UX/UI design processes (wireframes, prototypes, user flows) • Ensure responsive, accessible, and performance-optimised interfaces • Maintain code quality, documentation, and best development practices • Support continuous improvement of digital user journeys UX/UI & Communication Dimension • Bring a strong sensitivity to visual coherence and brand identity • Understand user behavior and interaction patterns • Optimise digital experiences for clarity, engagement, and conversion • Contribute to storytelling through digital interfaces • Balance technical feasibility with design excellence • Support the Communication Team in their various tasks (e.g. event maganement) Technical skills • Experience with APIs and system integrations • Knowledge of UX/UI principles and design tools • Familiarity with CMS platforms is a plus • Understanding of accessibility and performance standards • Solid understanding of software development methodologies, design patterns, and principles • Experience with front-end (e.g. Next.js or React based (Typescript)) and back-end (e.g. Node.js, Fastify, PostgreSQL)) development frameworks and libraries • Experience in automating deployment processes using Ansible and CI/CD pipelines with GitHub Actions or similar tools Profile and Requirements • Bachelor's degree in Computer Science, Engineering or a related field, or equivalent professional experience. • Strong attention to detail and user-centric mindset • Ability to communicate technical concepts clearly to non-technical stakeholders • Creative, curious, proactive, and solution-oriented • Comfortable working in multidisciplinary environments • Fluency in English, both spoken and written Considered as an Advantage • Good understanding of a secure software development lifecycle • Experience with DevOps implementation and Linux server configuration • Experience in application security testing and automation testing • Familiarity with containerization technologies, such as Docker and Vagrant • Knowledge of analytics tools (Matomo, etc) • Experience in digital marketing environments • Experience in branding or design-driven projects • Interest in innovation, cybersecurity What we offer • A dynamic and collaborative working environment • The opportunity to work on meaningful, high-impact projects • Exposure to both strategic and technical challenges • Flexible working arrangements • Continuous learning and professional development opportunities

Job Description ArcelorMittal Long Products Luxembourg recrute un Ingénieur Environnement / Énergie & CO2 (H/F) en contrat à durée indeterminée. Rattaché(e) au Head of Energy & Decarbonization, vous contribuez à la performance énergétique, à la conformité réglementaire CO2 et à la mise en œuvre de la stratégie de décarbonation des sites industriels au Luxembourg. Vous intervenez dans un environnement industriel multi-sites et jouez un rôle clé dans la fiabilité des données énergétiques, le respect des obligations réglementaires et le développement de projets à impact environnemental. Responsabilités principales - Suivre, analyser et consolider les consommations énergétiques industrielles multi-sites - Collecter, fiabiliser et analyser les données énergie et CO2 - Piloter les audits ETS et préparer les déclarations auprès des autorités - Garantir la conformité réglementaire CO2 (ETS, accords volontaires, EEOS) - Identifier et quantifier les gisements d'efficacité énergétique - Réaliser des analyses technico-économiques et contribuer aux projets de décarbonation - Apporter un support technique aux équipes opérationnelles et participer aux projets industriels - Produire les reportings énergie et CO2 à destination du management - Préparer les dossiers de subventions / financements pour les projets énergétiques Profil requis - Diplôme Bac +5 (Ingénieur) en énergie, environnement ou génie industriel - 2 à 5 ans d'expérience en environnement industriel, énergie ou environnement - Bonne connaissance des systèmes énergétiques industriels - Connaissances en CO2 / ETS (ou forte capacité d'apprentissage) - Maîtrise des outils de reporting et d'analyse : Excel, Power BI, SQL, SAP - Capacité à travailler en environnement multi-sites Langues - Français courant - Anglais professionnel Vos atouts - Esprit analytique et rigueur - Autonomie et sens des responsabilités - Capacité à travailler en transversal avec des équipes techniques - Appétence pour les enjeux énergie et décarbonation - Bonne communication et capacité de synthèse En retour, nous vous proposons - Rejoindre le leader mondial de l'acier engagé dans la transition énergétique - Participer activement à des projets de décarbonation industriels - Évoluer dans un environnement technique exigeant et innovant - Développer vos compétences via l'Université ArcelorMittal - Un package de rémunération attractif et des perspectives d'évolution Envie de contribuer à la transition énergétique de l'industrie ? Rejoignez-nous.

Job Description ArcelorMittal Long Products Luxembourg recrute pour une de ces installations un Ingénieur Sécurité (H/F) en contrat à durée indeterminée. Rattaché(e) au Chef de service de votre périmètre, vous êtes responsable de déployer et piloter la stratégie Santé, Sécurité et Environnement (HSE) afin de garantir la sécurité des collaborateurs et la conformité réglementaire des activités industrielles. Vous contribuez activement à la prévention des risques, à l'amélioration continue et à la diffusion d'une culture sécurité forte au sein des équipes. Responsabilités principales - Déployer et animer le système de management HSE – 5S – WCM du service - Définir, suivre et analyser les indicateurs de performance sécurité (KPI) - Réaliser des analyses de risques sécurité et environnement et assurer leur mise à jour - Piloter la conformité réglementaire (directives européennes, exigences légales, normes ISO 45001 et 14001) - Organiser et conduire des audits sécurité et suivre les plans d'actions associés - Former et sensibiliser les équipes aux bonnes pratiques HSE et règles de sécurité - Participer à l'analyse des accidents et incidents et définir les actions de prévention - Assurer le suivi des plans d'urgence et d'évacuation - Accompagner les équipes production et maintenance dans la mise en œuvre des outils et méthodes HSE - Promouvoir une culture sécurité proactive et une présence terrain forte Profil requis - Diplôme Bac +5 (école d'ingénieur en Hygiène, Sécurité, Environnement ou risques industriels) - Minimum 5 ans d'expérience en industrie sur un poste similaire - Bonne connaissance des systèmes de management HSE et des normes ISO - Maîtrise des outils MS Office, Power BI et connaissance de SAP - Capacités d'analyse et de synthèse Langues - Français courant - Anglais niveau C2 Vos atouts - Leadership et capacité à manager une équipe - Excellentes compétences en communication et pédagogie - Esprit d'initiative, rigueur et sens des responsabilités - Capacité à conduire le changement - Présence terrain et bon relationnel En retour, nous vous proposons - Intégrer le leader mondial de l'acier engagé dans la transformation durable de l'industrie - Participer à des projets structurants et à fort impact - Un environnement de travail technique et stimulant - Des opportunités de développement professionnel - Un package de rémunération attractif Envie de contribuer à la sécurité de nos opérations ? Rejoignez-nous.

Job Description ArcelorMittal is the world's largest steel producer. We use the most innovative technologies to create the steels tomorrow's world will be made of. Every day over 125,000 of our talented people, located in over 60 countries, push the boundaries of digitalization, and use advanced technologies to create a stronger, faster, and smarter world. To help make this possible, they know they can depend on the support and training that a company of our scope and scale can provide. Comprising 1,650 researchers spread across 14 Research Centres around the world, our Global R&D team aims to continuously improve the quality of steel and its manufacturing processes. This involves investigating and developing disruptive technologies, reducing the carbon footprint of steel, and optimizing costs while maintaining uncompromising quality. The team's strong multicultural diversity, with over 30 nationalities, offers international experience and makes it possible to meet global needs. Within this context, you will be working for the laboratory Long Products Research Centre located in Esch-sur-Alzette (Luxembourg) which main research areas are: help plants to improve their key technical parameters and to meet customer requirements at the lowest possible cost, support industrialization of new products (process) ; create competitive differentiation through enhanced or unique functionality, superior quality of our products, while ensuring their manufacturability and delivery to our customers at the lowest possible cost (products), help our customers to make the best possible use of our advanced product range, showcase practical examples of the most advanced products and present a complete solution to the market with higher added value (applications and steel solutions). The main missions of the laboratory are: contribute to a low cost and sustainable production of structural long products, help to develop the steel market in construction (fire engineering, earthquake resistance, corrosion protection…), implement the developments with the internal clients in the plants or markets, internal and external benchmarking is an important related mission. Your role As an Industrial Solutions Manager, you will be responsible for the success of R&D products throughout their entire lifecycle. You will lead multidisciplinary teams comprising process, mechanical, electrical, and software engineers to define and prioritize product features, develop product roadmaps, and drive product development, delivery, support, and maintenance. You will play a key role in understanding customer needs, translating them into clear product requirements, and making data-driven decisions. Your contributions will be critical to achieving business objectives and ensuring the successful delivery of innovative industrial solutions. Key Responsibilities: Develop and communicate a clear and compelling product vision, strategy, and roadmap aligned with company goals and customer needs Collaborate with customers, stakeholders, and cross-functional teams to identify and prioritize product features and requirements based on customer insights, market trends, and business objectives Maintain and continuously improve existing products to ensure high quality, reliability, and performance in industrial environments Write user stories, acceptance criteria, and detailed product specifications that effectively capture customer needs and guide development Work closely with engineering, design, and QA teams to ensure timely, high-quality delivery of product features and releases Monitor and analyze key product metrics (e.g., adoption, retention, satisfaction) and use data-driven insights to inform decisions and adjust strategy as needed Act as the key decision-maker for product-related topics, including feature prioritization, user experience, and release planning Drive and oversee product rollouts across global plant locations, ensuring smooth deployment and adoption Your profile You hold a Master's degree in Engineering, Computer Science, or in a related technical field. You have: Proven experience (typically 5+ years) in product management, industrial solutions, or a similar role in a multidisciplinary engineering environment Experience in industrial digitalization, automation, machine vision, machine learning or Industrial IoT (IIoT) environments Demonstrated experience in defining product vision, building roadmaps, and delivering products from concept to deployment and support Experience working with cross-functional teams including process, mechanical, electrical, and software engineering Proficiency with Agile (or similar) development methodologies, including writing user stories and managing backlogs is needed. You are fluent in English and French (written and spoken); additional languages are a plus. You have strong analytical and problem-solving skills, with a data-driven decision-making approach. You have excellent communication and stakeholder management skills, with the ability to align and influence diverse teams. According to ArcelorMittal Global R&D values: You agree to comply with health and safety rules. You are respectful, transparent, honest, and empathetic in your relationships. You honor your word and your commitments to others. You agree to behave consistently with the highest level of integrity. You strive to question your practices. with high expectations of yourself and others, you strive for a high level of quality and reliability in everything you do. You recognize that diversity, varied skills, and fresh ideas make a group exponentially better in the pursuit of a common goal. You know that learning changes minds and lives, so you are committed to learning throughout your professional career and continually achieving the skills required and essential to your success. You are open to ideas that challenge conventions and stimulate innovation. Join us and you will see that your work will help create renewable energy, impact major industries and boost economies. At ArcelorMittal, we'll help you create your world. Attractive remuneration with stimulating career prospects in which eminent scientists and engineers evolve in a multicultural environment.

Job Description ArcelorMittal is the world's largest steel producer. We use the most innovative technologies to create the steels tomorrow's world will be made of. Every day over 125,000 of our talented people, located in over 60 countries, push the boundaries of digitalization, and use advanced technologies to create a stronger, faster, and smarter world. To help make this possible, they know they can depend on the support and training that a company of our scope and scale can provide. Comprising 1,650 researchers spread across 14 Research Centres around the world, our Global R&D team aims to continuously improve the quality of steel and its manufacturing processes. This involves investigating and developing disruptive technologies, reducing the carbon footprint of steel, and optimizing costs while maintaining uncompromising quality. The team's strong multicultural diversity, with over 30 nationalities, offers international experience and makes it possible to meet global needs. Your role We are looking for an Engineer with a strong knowledge in Metallurgy / Materials Science. You will be in charge of R&D Projects dedicated to different metallurgy-related topics, focused on structural steel products manufactured in ArcelorMittal Long Products plants : Development of new high strength steels for structural long products. Optimization of the metallurgical route (Chemistry & Process). In-depth investigation of the application properties. Integration in products/application standards and follow-up of the standardization process. To that end, you will work in close collaboration with local and Global R&D colleagues, with the teams from the plants and as well with Sales / marketing departments. You will manage the close follow-up of the industrial trials and production campaigns. You will also be a reference in your field of expertise, and provide additional support for all other Metallurgy-related Projects. Involvement in the standardization committees in link with our steel long products is to be expected, as well as technical assistance when backup is needed to answer requests from our customers. Punctual business trips are expected in case of needs (Europe, North America). Your profile You hold a Master's degree or a PhD in Metallurgy or Material Science. You have a solid background in Physical Metallurgy and a good understanding of the metallurgical mechanisms taking place all along the manufacturing route of steel products (secondary metallurgy, continuous casting, hot rolling, heat treatment...). You are able to analyze a complex process, to integrate external knowledge and to implement practical solutions and work in an industrial environment. You are able to lead and manage projects independently and deliver high quality results. You are able to carry out a technological watch. You are fluent in English and in French. You feel comfortable working in an office environment as well as on the field. You are persevering, creative and a source of proposals in your work. You are organized and rigorous in the reporting of your work and respect of deadlines. According to ArcelorMittal Global R&D values: You agree to comply with health and safety rules. You are respectful, transparent, honest, and empathetic in your relationships. You honor your word and your commitments to others. You agree to behave consistently with the highest level of integrity. You strive to question your practices. with high expectations of yourself and others, you strive for a high level of quality and reliability in everything you do. You recognize that diversity, varied skills, and fresh ideas make a group exponentially better in the pursuit of a common goal. You know that learning changes minds and lives, so you are committed to learning throughout your professional career and continually achieving the skills required and essential to your success. You are open to ideas that challenge conventions and stimulate innovation. Join us and you will see that your work will help create renewable energy, impact major industries and boost economies. At ArcelorMittal, we'll help you create your world. Attractive remuneration with stimulating career prospects in which eminent scientists and engineers evolve in a multicultural environment.

Job Description INS (Industrial Products and Services) with 5 Sub-Categories present in 8 hubs ensures proximity to the plant and captures full benefit of our size. This Procurement organization is centrally led and managed per categories to develop expertise, consolidate the needs and follow-up the execution of contracts. General Industrial Services Sub-Category is in charge of activities like Internal Transport and Handling, Packaging and warehousing, Industrial Cleaning, Scaffolding and also Support and Facility Management services Responsibilities: Actively participate in the strategic procurement activities for General Industrial Services subcategory in the Cluster. Build transparency of subcategory spend in the Cluster and drive cost reduction. Work closely with internal customers on sites to ensure effective strategic procurement and business continuity. Together with Lead User and Users collaborate in the search and implementation of Progress and TCO Actions Work closely with Lead Buyer in conducting research on supply markets, price benchmarks, and supplier profiles. Participate in Transversal Projects/Initiatives Across Clusters to ensure share of Best practices Execute supplier selection, negotiation, and contracting for the mills/sites. Develop and maintain supplier profiles: Manage Supplier relationship and monitor contract compliance. Deliver savings and subcategory KPI targets and assist Lead Buyer with necessary analyses: Spend data analysis and basic financial analyses, Performance reporting Category strategy development (ex: supply market research, price benchmarks), Supplier profile maintenance. Achieve effective procurement and business continuity by cooperation with internal customers across sites. Participate in transversal working groups and projects. Profile: Master in Procurement, Supply Chain, Business Administration Previous experience in a Purchasing team Fluent in French and English, any other European language would be an advantage You have problem-solving, analytical skills and good ease facing numbers. You have a good technical knowledge of contracts and targeted systems but also in project management and negotiation. You demonstrate leadership and communication skills. You have an appetite for finding information about innovative industry and for market analysis. Knowledge of quality management norms (ISO 9001…) would be a plus.

Job Description About the role: Actively participate in the strategic procurement activities for Maintenance & Repair Services subcategory in the Cluster. Build transparency of subcategory spend in the Cluster and drive cost reduction. Work closely with internal customers and logistics people in sites to ensure effective strategic procurement and business continuity. Work closely with Lead Buyers and Maintenance organization in conducting research on supply markets, price benchmarks, and supplier profiles. Key Responsabilities: Execute supplier selection, negotiation, and contracting for the mills/sites. Develop and maintain supplier profiles: Manage Supplier relationship and monitor contract compliance. Deliver savings and subcategory KPI targets and assist Lead Buyer with necessary analyses: Spend data analysis and basic financial analyses, Performance reporting Category strategy development (ex: supply market research, price benchmarks), Supplier profile maintenance. Achieve effective procurement and business continuity by cooperation with internal customers across sites. Participate in transversal working groups and projects. Profile: Master in Procurement, Supply Chain, Business Administration Previous experience in a Purchasing team Fluent in French and English, any other European language would be an advantage You have problem-solving, analytical skills and good ease facing numbers. You have a good technical knowledge of contracts and targeted systems but also in project management and negotiation. You demonstrate leadership and communication skills. You have an appetite for finding information about innovative industry and for market analysis. Knowledge of quality management norms (ISO 9001…) would be a plus.

LJob Description The Lead Buyer plays a dual role for the Purchasing of Spare Parts: Local role: manage the team of Buyers to purchase services links to his subcategory in his/her cluster. Transversal role: identify with the cluster Lead User the benchmark activities within the hub to transfer them across Europe (TCO, supplier panel, process management…). Local and transversal approaches are combined by the definition of the Annual Project Portfolio built by the Lead Buyer for his hub in close cooperation with the Subcategory Management and other Lead Buyers. The Lead Buyer ensures that all requirements of the hub for the subcategory are fulfilled by the Buyers in due time with the best solution. The Lead Buyer also monitors key steps of projects conducted in other hubs for the specific activity they oversees. In this role the Lead Buyer is responsible for: Deploying Health & Safety local policies and procedures. Managing his/her teams (daily management, GEDP process, salary evolution, evaluation…). Participating to HR processes (career committee - succession planning …) at his/her own cluster level. Ensuring communications with cluster stakeholders at his/her own cluster level. Defining list of projects to be done by his/her buyers for his/her own cluster (annual Project Portfolio) and saving objectives. Monitoring progress of projects according to plan for the buyers based in the cluster. Negotiating or supporting negotiation of contracts, selecting suppliers. Preparing, when necessary, files for the Investment Allocation Committee (IAC). Managing validation and signature process. Processing with Users Claims with high complexity and impact. Monitoring spot order procurement process executed by his/her buyers. Evaluating the efficiency of his/her team. In his/her role, and for his/her cluster, the Lead Buyer also participates to: Monitoring and evaluating of the supplier panel of the subcategory. Informing users about contracts. Defining and executing contract deployment plan. Deploying EPO improvement projects (tools, processes…). Certification audits (ISO, safety, environment …). In his/her role, for his/her specific activity and for all clusters, the Lead Buyer: Defines the purchasing strategy based on Market Knowledge and User inputs for all clusters, with support of the Subcategory Head and other Lead Buyers. Deploys the strategy through the definition of a 3-5 years Master Plan across all clusters. Participates to the definition of Project Portfolio of other Lead Buyers. Manages supplier panel and relation with Key Accounts. Develops with Lead Users standard specifications, price list, TCO approach… Compares cost between sites and updates benchmark. Monitors key steps of projects: definition of objectives (kick-off meeting), list of suppliers to be consulted, definition of cost target, technical alignment when offers are in English, selection of suppliers short list, final negotiation rounds and selection of supplier. Is informed of contract reviews and gives support for complex claims with high financial impact. Evaluates the results of the strategy deployment. Master's in Procurement, Purchasing, Supply Chain or similar Fluent in both English and French is an absolute requirement Proven experience in the field of Procurement in a multi-national environment You have problem-solving, analytical skills and good ease facing numbers. You have a good technical knowledge of contracts and targeted systems but also in project management and negotiation. You can discuss technical topics and implement and manage the change. You demonstrate leadership and communication skills. You have an appetite for finding information about innovative industry. Result and Customer oriented, you can work under deadline pressure. Knowledge of quality management norms (ISO 9001…) would be a plus Profile: Master's in Procurement, Purchasing, Supply Chain or similar Fluent in both English and French is an absolute requirement Proven experience in the field of Procurement in a multi-national environment You have problem-solving, analytical skills and good ease facing numbers. You have a good technical knowledge of contracts and targeted systems but also in project management and negotiation. You can discuss technical topics and implement and manage the change. You demonstrate leadership and communication skills. You have an appetite for finding information about innovative industry. Result and Customer oriented, you can work under deadline pressure. Knowledge of quality management norms (ISO 9001…) would be a plus