Linux & DevOps Infrastructure Architect - N

Proximus Luxembourg; Ralingen; Vor Ort; EUR 65.000 - 85.000; Vollzeit

Zusammenfassung

Proximus Luxembourg seeks a highly skilled Linux & DevOps Infrastructure Architect to enhance their digital transformation efforts. The role involves leading the design of scalable platforms, managing AWS infrastructure, and promoting automation and DevOps maturity within the organization. Candidates should have extensive experience in Linux administration, cloud architecture, and strong communication skills.

Leistungen

Attractive salary package and benefits

Career opportunities at national and international level

Cutting-edge training in new technologies

Qualifikationen

• 5+ years in Linux system administration and infrastructure architecture.
• Solid experience with VMware ESX or Nutanix cluster management.
• Professional experience designing and operating workloads in AWS.

Aufgaben

• Lead the design and evolution of on-premises compute platforms and cloud infrastructure.
• Define and manage golden images for Debian-based systems.
• Collaborate with developer architects to deliver Continuous Delivery platforms.

Kenntnisse

Linux Administration

Cloud Architecture

DevOps Best Practices

Infrastructure as Code

Automation

Tools

GitLab

Terraform

Ansible

Grafana

MySQL

Jobbeschreibung

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 :

Reports To : Lead Architect

Overview :

We are seeking a highly skilled and proactive Linux & DevOps Infrastructure Architect to lead the design and evolution of our on-premises compute platforms (Debian-based), cloud infrastructure (AWS), and supporting services. The ideal candidate combines deep Linux expertise, strong cloud architecture knowledge, and DevOps best practices to build scalable and resilient platforms for hybrid environments.

Key Responsibilities :

Define and manage golden images for Debian -based systems.

• Design and maintain high-availability virtualization infrastructure using ESX and Nutanix .
• Architect and optimize AWS-based workloads for internal IT services and applications.

Design secure and scalable infrastructure in AWS , including :

EC2, VPC, IAM, S3, CloudWatch, and Route53.

• Implement infrastructure-as-code (IaC) using Terraform to provision AWS resources.
• Ensure hybrid interoperability between AWS and on-prem clusters.
• Infrastructure Services :

Maintain foundational services : Grafana , Syslog , MySQL , AWX / Ansible Tower .

• Ensure integration with monitoring and centralized logging platforms in both cloud and on-prem environments.
• CI / CD & Automation :

Collaborate with developer architects to deliver Continuous Delivery platforms.

• Administer and optimize GitLab Runners , runners in AWS, and pipeline efficiency.
• Build secure, scalable, and environment-aware pipelines across on-prem and cloud workloads.

Define modular service primitives and contribute to a service catalog for internal customers.

• Promote self-service automation and standardized service delivery.
• Source of Truth Integration :

Maintain infrastructure metadata using NetBox .

• Integrate NetBox with provisioning workflows and CI / CD pipelines.

Your profile :

Required Skills & Experience :

• 5+ years in Linux system administration and infrastructure architecture (Debian preferred).
• Solid experience with VMware ESX or Nutanix cluster management.
• Professional experience designing and operating workloads in AWS .
• Proficient in GitLab (CI / CD, runners, pipeline templates).
• Expertise in Ansible , AWX / Ansible Tower , and Terraform .
• Hands-on experience with Grafana , Syslog / Graylog , MySQL / MariaDB .
• Practical knowledge of hybrid architectures (on-prem cloud).
• Working knowledge of NetBox as a CMDB and automation source.
• Strong communication and documentation skills.

Preferred Qualifications :

• AWS certifications (e.g., AWS Certified Solutions Architect Associate or Professional ).
• Experience implementing secure and compliant AWS workloads (IAM policies, network segmentation, logging).
• Understanding of Agile methodologies and product-driven service design.
• Fluency in Python or Bash scripting for automation and integration.
• Experience in building internal cloud-like platforms or developer portals.

Why Join Us :

• Shape core infrastructure services across both on-prem and cloud environments.
• Drive DevOps and automation maturity across the organization.
• Collaborate in cross-functional teams delivering scalable and secure platforms.
• Contribute to a modern IT service catalog based on reusable primitives and self-service models.

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.