Senior Devops Engineer

COSMOTE GLOBAL SOLUTIONS NV

Luxembourg, Luxembourg, Luxembourg permanent

Posted: November 7, 2025

Required Skills

Job Description

COSMOTE Global Solutions, as a member of OTE Group of Companies, is an ICT Systems Integrator delivering a broad range of ICT Solutions and Services.

CGS provides a broad range of ICT Services focusing on: Cloud, Data Centre operations, Networking, Cybersecurity, BI and Data Warehouse, Big Data, Service Desk, Proactive Monitoring, Operations and Support, Service Management, Project and Programme Management, and Professional Services.

Responsibilities:

• Collaborate with development, operations, and security teams to streamline the software delivery lifecycle
• Identify and resolve bottlenecks and inefficiencies in build, test, and deployment workflows
• Design, implement, and maintain CI/CD pipelines using tools like Jenkins, Azure DevOps, and Maven
• Automate infrastructure provisioning and configuration using Terraform, Ansible, and HELM
• Manage container orchestration platforms such as Kubernetes and ensure scalable deployment environments
• Monitor and optimize system performance, reliability, and security across cloud platforms (AWS, Azure)
• Integrate code quality and security checks using tools like SonarQube
• Maintain version control and artifact repositories (GitHub, Nexus, AzureSea)
• Support application deployment on Linux-based environments and servers like JBoss and Apache
• Ensure consistent and repeatable delivery processes across development, staging, and production environments

Requirements:
• M.Sc. degree or equivalent applied experience.
• At least 7 years experience in provisioning of infrastructure on the cloud mainly AWS and Azure and experience in Terraform, Ansible, Kubernetes, Linux, HELM
• Minimum 5 years of experience in coordinating the 2nd level production support on an application supported by a team of minimum 20 IT people
• Strong experience in CI/CD using Jenkins, Maven, AzureDevOps, Terraform, Ansible, Kurebernetes, Linux, HELM
• Experience with GitHub, Nexus, AzureSea
• Strong analytical and problem-solving skills.
• Minimum 3 years of experience in Agility (SCRUM / Kanban)
• At least 3 years of experience with Anaconda and Python

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