Location: Luxembourg / Remote Option
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
Linux & compute platform architecture
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.
Cloud & Hybrid Infrastructure (AWS):
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.
service catalog & DevOps enablement
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.
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