Linux Systems Administrator (m/f/x) Abgelaufen

Veröffentlicht am 06/01/2026

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Luxair


Arbeitszeit
Vertragsart
Sprachen
FR , EN
Berufserfahrung
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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


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