Senior Cloud Platform Engineer (Functional Analyst) (m/f/n

Department : IT | Location : Luxembourg | Contract : Permanent | Job Requisition N° 19572 Your mission Join our Data Platform & Cloud Operations team and help shape the next generation of cloud-native platforms supporting the energy transition. We are looking for a senior hands-on cloud engineer who combines strong technical expertise with a collaborative mindset. In our organization, you will work with high autonomy, direct impact, and close collaboration across teams. You will contribute to modernizing and scaling our AWS-based data platform while helping to drive engineering best practices and operational excellence. As a Senior Cloud Platform Engineer, you will: • Design, evolve, and operate scalable, secure, and resilient AWS cloud architectures supporting critical business and data platform workloads. • Contribute to the modernization of cloud operations through automation, observability, platform engineering, and self-service capabilities. • Work hands-on with Kubernetes-based platforms and cloud-native application deployments. • Collaborate closely with architects, DevOps engineers, security specialists, and data platform stakeholders. • Improve and maintain CI/CD pipelines, Infrastructure as Code (IaC), and GitOps practices. • Help define and promote AWS best practices, security standards, and operational guidelines. • Ensure platform reliability, availability, monitoring, and disaster recovery readiness. • Participate in incident management, troubleshooting, and continuous improvement activities. • Contribute ideas, challenge existing solutions, and actively shape the evolution of the cloud platform. • Stay up to date with emerging cloud technologies, Kubernetes ecosystems, and modern engineering practices. Your profile We are looking for an experienced cloud professional with a strong engineering mindset and a passion for modern cloud platforms, who brings: • A degree in Computer Science, Engineering, Information Systems, or equivalent practical experience. • 5+ years of experience in cloud infrastructure, platform engineering, or cloud operations. • Strong expertise with AWS services and cloud architecture best practices. • Hands-on experience with Kubernetes and container orchestration platforms. • Strong knowledge of Infrastructure as Code tools such as Terraform and automation technologies such as Ansible. • Experience with CI/CD ecosystems, GitOps workflows, observability platforms, and modern operational practices. • Solid understanding of cloud security, Zero Trust principles, IAM, networking, and compliance frameworks. • Experience operating modern data platforms, distributed systems, and mission-critical environments. • Strong scripting or development skills in Python, Bash, or similar technologies. • A collaborative mindset, strong communication skills, and the ability to work autonomously. • Fluency in English; French, German or Luxembourgish is considered an asset. What we offer • The opportunity to join a company that actively contributes to the energy transition in Luxembourg and the Greater Region. • A flat and collaborative organization with short decision paths and real ownership. • A modern engineering culture focused on trust, autonomy, automation, innovation, and continuous learning. • Access to cutting-edge cloud technologies, Kubernetes ecosystems, and modern platform engineering practices. • Flexible and hybrid working conditions, including remote work possibilities and work-life balance initiatives. • Continuous professional development through training, certifications, conferences, and knowledge sharing. • A multicultural and international working environment that values diversity and inclusion. • A competitive compensation package with additional benefits and 34 days of paid leave per year. For external applications, a recent copy of the police record will be requested if you are invited for an interview. Segment de l’offre d’emploi: Computer Science, Engineer, Information Systems, Cloud, Technology, Engineering