Senior System & Cloud Engineer (m / f)

Type of contract : Full time / Undetermined Location : Bettembourg To support its growing operations in Luxembourg, Datacenter Luxembourg S.A. is looking for a : Senior System & Cloud Engineer (m / f) About Datacenter Luxembourg : We are a leading provider in IT Managed Services, specializing in Cloud, Connectivity, Cyber Security / Resilience, and Data Center Technologies. At Datacenter Luxembourg, innovation and quality of service are at the forefront of what we do. Our team of dedicated professionals is committed to meeting the evolving needs of our clients with expertise in crafting tailor-made solutions. The Role : We are looking for a Senior System & Cloud Engineer to strengthen our system engineering team, support both our internal and customer infrastructures, and contribute to the evolution of our platforms and services. You will play a key role in designing, deploying, and maintaining virtualized and cloud environments, ranging from our Datacenter Luxembourg platforms to dedicated infrastructures built for specific customers. Beyond daily operations, you will bring the technical vision needed to help the team evolve our architecture and processes, ensuring scalability, resilience, and innovation. Your mission : Act as a senior technical reference within the System Engineering team. Design, implement, and operate multi-tenant and dedicated environments based on VMware, Veeam, Linux, Docker, and advanced storage technologies (including object storage). Define architectures for customer-specific infrastructures, including compute, storage, and backup components. Evaluate and introduce new technologies (e.g., Kubernetes, Proxmox, other open-source virtualization platforms, S3-compatible storage, automation, observability, security hardening) to enhance the platform's efficiency and reliability. Perform advanced troubleshooting and root cause analysis on complex issues. Collaborate closely with Network, Security, and Service Management teams to deliver consistent and secure services. Contribute to the technical design of new projects and assist in pre-sales discussions when needed. Maintain detailed documentation of system designs, configurations, and procedures. Mentor and support junior system administrators, fostering knowledge transfer and best practices. Participate in the on-call rotation for critical incidents when required. Experience and Education : Bachelor's degree in Computer Science or equivalent professional experience. Minimum 5–8 years of experience in system or cloud infrastructure engineering. Strong hands-on experience with VMware (experience in a Service Provider environment is an asset). Proficiency in Linux systems administration and scripting / automation (Bash, Python, Ansible). Experience with Veeam solutions. Solid understanding of enterprise storage technologies (SAN / NAS, block and object storage). Experience with Dell arrays is an asset. Familiarity with object storage (S3) and containerization (Docker). Exposure to Kubernetes and container orchestration platforms. Experience with Proxmox or other open-source virtualization technologies is considered a strong plus. Good command of English (spoken and written); French is an asset. Key Competences : Broad vision of infrastructure design and lifecycle management. Strong analytical and troubleshooting skills. Ability to design scalable, secure, and resilient infrastructures for both internal and external use. Customer-oriented mindset with a focus on quality and long-term reliability. Proactive and autonomous, capable of driving improvement initiatives. Excellent teamwork and communication skills across technical domains. Rigor in documentation and operational discipline. Our offer : A stimulating role with real technical impact on both internal and customer infrastructures. Continuous learning and professional development opportunities. A dynamic and innovative working environment. Hybrid working model with partial teleworking. Flat hierarchies, short decision lines, and an open-door policy. Convenient location with free parking and easy access from France. Application : You are ambitious, motivated and a team-player who wants to give a boost to your career? You want to join a dynamic and growing company with challenging national and international projects in different industries? Perfect, we were looking for you! Come and...

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