System Architect – Cloudian S3 Storage - C

About Proximus NXT

Proximus NXT Luxembourg supports all organizations in their digital transformation, by providing holistic ICT & Telecommunication solutions, as well as tailored managed services. With our partners and customers, we co-create opportunities and enable growth in a secure and sustainable manner. As a result of our unique expertise in next-gen IT services, mobile and advanced connectivity, we help our customers achieve their ambitions and realize their vision.

Together with them and our partners we implement sovereign and trusted solutions that make people work smarter.– www.proximusnxt.lu

Your mission :

Overview
We are seeking an experienced and motivated S3 Storage Architect to design, build, and evolve object storage services across hybrid environments (on-premises and public cloud). The successful candidate will play a key role in defining and implementing scalable, secure, and high-performance storage architectures, leveraging S3-compatible technologies such as Cloudian, and integrating them with enterprise and cloud-native services.

Key Responsibilities

• Architecture & Design: Define the architecture for S3-compatible object storage services supporting both on-prem and cloud-based workloads (AWS, Azure, etc.).
• Hybrid Storage Strategy: Design solutions that enable seamless integration between datacenter and cloud object storage.
• Service Implementation: Lead the deployment and configuration of object storage clusters (e.g., Cloudian HyperStore), ensuring availability, durability, and scalability.
• Automation & Orchestration: Implement Infrastructure-as-Code (IaC) practices using Terraform, Ansible, or equivalent to streamline provisioning and lifecycle management.
• Monitoring & Optimization: Use tools like HyperIQ or Prometheus/Grafana to monitor usage, detect anomalies, and optimize performance.
• Security & Compliance: Apply data protection standards, encryption policies, and access control measures aligned with EU regulations and customer expectations.
• Disaster Recovery: Design and validate backup and DR strategies using object storage features like replication and versioning.
• Integration Support: Collaborate with development, operations, and infrastructure teams to enable storage consumption via APIs, GitOps pipelines, and Kubernetes platforms.
• Documentation: Maintain architecture blueprints, SOPs, and operational documentation for service ownership and audit readiness.

Your profile :

Required Skills & Experience

• 10+ years in infrastructure or storage architecture with significant hands-on experience in object storage and S3 APIs.
• Strong understanding of distributed object storage systems (e.g., Cloudian, MinIO, AWS S3).
• Expertise in hybrid storage design and integration between DC and cloud.
• Proven experience in designing secure, scalable storage services for large organizations.
• Solid skills in automation and configuration management (Terraform, Ansible).
• Experience with container platforms (Kubernetes, Docker) and integrating storage in CI/CD or GitOps pipelines.
• Monitoring experience with systems like HyperIQ, Prometheus, Grafana, etc.
• Knowledge of IAM, encryption at rest/in transit, and secure multi-tenant architectures.
• Excellent communication and documentation skills.

Preferred Qualifications

• Experience with Cloudian HyperStore, HyperBalance, and HyperIQ is a strong plus.
• Familiarity with SAFe Agile practices and cross-team collaboration in scaled agile environments.
• Experience in performance tuning and capacity planning in high-throughput storage environments.
• Awareness of EU compliance and data residency requirements.

Other Requirements

• EU citizenship required.
• Fluent English (spoken and written); additional EU languages are a plus.

Our offer :

A professional and stimulating work environment in the IT & telecom sector. Multiple career opportunities within the Proximus Group at national and international level, cutting-edge training in new technologies, a wealth of recognized expertise. We also offer an attractive salary package and many other benefits.

Our company is an equal opportunity employer, valuing diversity in all its forms. We firmly believe that each individual brings a unique richness to our teams, and we are committed to creating an inclusive environment where every voice counts.

If at the end of the process your application is successful, you will be asked to provide an extract from your criminal record. Your personal information will be handled in compliance with applicable data protection laws.