Linux Systems Administrator

For our department UNIX Administration within General Services, we are looking for a (an):

Linux Systems Administrator (m/f/x)

Main duties:

For our department IT Infrastructure within General Services, we are looking for a (an):

Linux Systems Administrator (m/f/x)

Be part of a small team of experts dedicated to the administration of our Linux Systems, in a very diverse and challenging environment and industry. Your main duties will be :

• Main duties:
• Design, implement, and maintain Windows and Linux systems virtualization platforms.
• Build and manage CI/CD pipelines to streamline application deployment and infrastructure automation.
• Ensure IT systems and applications maintain high availability, integrity, security, and optimal performance.
• Automate infrastructure provisioning, configuration, and monitoring using tools like Terraform, Ansible, or similar.
• Diagnose, resolve, and track incidents while identifying and analysing recurring issues.
• Manage daily infrastructure operations, emphasizing scalability and reliability.
• Contribute to the continuous enhancement of the production environment, including developing and maintaining relevant documentation.
• Stay updated on the latest technologies and trends within your area of expertise, including cloud-native solutions.
• Collaborate with development teams to optimize workflows and promote DevOps culture across the organization.
• Implement robust monitoring and alerting.
• Participate in IT security and systems-related projects, focusing on automating compliance and vulnerability remediation.
• Occasionally provide administrative assistance related to operational activities.
  
  

Required profile:

Required profile:

Minimum required criteria:

• Be holder of a bachelor’s degree “BAC& 3” in Information Technology or equivalent combination of education and experience in a similar position
• Understanding of TCP/IP, DNS, DHCP, and network security principles.
• Demonstrate knowledge in managing and configuring current Linux systems
• Demonstrate strong troubleshooting skills
• Possess strong skills in bash, python and ansible
• Proven experience with automation and scripting
• Have good knowledge of system virtualization and containerization
• Demonstrate in-depth knowledge of cluster environments.
• Have a proven experience in managing a Storage Area Network (SAN)
• Provide knowledge in Backup and Recovery
• Demonstrate skills in Business Continuity Planning
• Show strong communication and adaptation skills
• Be accurate, detail oriented and reliable
• Be able to work team-oriented and independently
• Accept to be part of the IT On-Duty team
• Be familiar with standard office applications
• Show good communication skills in English; language skills in French or German are an advantage
  
  

Desired or to be acquired criteria:

• Have knowledge of:
  - RHEL operating systems, including Docker infrastructure
  - Automation & CI/CD software
  - EMC Networker backup software
• Show skills in installations and maintenance of DMZ environments
• Demonstrate skills with WEB middleware
• Have a proven experience with LDAP
• Knowledge of Linux security best practices, including firewalls (iptables, firewalld) and SELinux/AppArmor.
• Experience with vulnerability scanning and hardening Linux systems.
• Show a strong ability to communicate at all levels, both inside and outside the company
• Eagerness to stay updated with evolving technologies and open-source tools.
• Show user skills in the tools used in the department
• Demonstrate a good sense of urgency and flexibility
• Maintain the strict confidentiality of the data.
• Clear documentation and communication of processes, configurations, and troubleshooting steps.
  
  

The ideal candidate:

• Provides a proven experience with Kubernetes
• Shows an experience with APIs and event driven architecture
• Is familiar with Infrastructure as Code (IaC) tools such as Terraform.
• Possesses Linux Certifications: RHCSA, RHCE, LPIC, or CompTIA Linux+.
• Knowledge of Luxemburgish or any other language is considered as asset.
• Step into a role at Luxair that challenges and rewards you in equal measure. At Luxair we strive to be a welcoming place for everyone, and you’ll be supported by every level of our organization when you join our team.

What’s more, LuxairGroup staff members enjoy several offers and advantages:
You and your relatives are entitled, under certain conditions, to preferential rates for flights operated by Luxair Luxembourg Airlines and ZED member airlines