Description du poste :
Dernières informations de recrutement de Cronos Europa pour le poste de Cronos Europa - Linux Administrator. If the Cronos Europa - Linux Administrator offre à Luxembourg correspond à votre profil, soumettez votre candidature directement via le portail Jobkos mis à jour.
Notez que décrocher un emploi demande de répondre à des critères spécifiques fixés par l'employeur. Nous espérons que cette opportunité chez Cronos Europa pour le poste de Cronos Europa - Linux Administrator ci-dessous correspond à vos attentes.
The Linux System Administrator is responsible for ensuring the reliability, performance, and security of Linux-based systems and related infrastructure components. The role includes providing level 2-3 support, handling complex incident resolution, maintaining documentation, and participating in project and service design initiatives.
The ideal candidate has extensive experience supporting large-scale Unix/Linux environments, strong automation skills, and the ability to work cross-functionally on infrastructure, networking, security, and application hosting topics.
Your responsabilities
- Operational support & troubleshooting:
- Provide Level 2-3 support for Linux OS configuration, file systems, processes, log analysis, and system troubleshooting.
- Diagnose and resolve issues related to hosted applications, platforms, reverse proxies, and server environments (Intranet/Internet).
- Ensure proper execution of backup, Storage, and security-related operational tasks.
- System Administration & Infrastructure Management:
- Manage provisioning of Linux servers and VMS (including RHEL 8/9).
- Maintain a reliable, standardized, and compliant operating environment.
- Perform patch management, OS lifecycle operations, and migration activities.
- Administer and support the OpenShift container platform.
- Use GitLab for Version Control and CI/CD pipeline integration.
- Participate in high availability (HA) and disaster recovery (DR) design and implementation.
- Administer and support Red Hat Satellite and manage Satellite-based environments.
- Administer and support Reverse Proxy platforms for on-premises and Cloud (AWS)
- Automation scripting:
- Develop and maintain automation using Red Hat Ansible Platform to improve reliability, repeatability, and operational efficiency.
- Contribute to service design with a focus on automation and “shift-left” practices
- Documentation & process:
- Maintain accurate and up-to-date technical documentation and operational procedures.
- Ensure compliance with ITIL processes (incident, change, problem management).
- Perform activity reporting and manage operational priorities.
- Organize knowledge-sharing workshops within the team.
- ServiceNow for ticketing and workflow management.
- Linux platforms & services:
- Proxies (Squid), reverse proxies (NGINX), and nftables Firewalls configuration.
- Manage SSL/TLS certificates and Linux security configurations.
- Java- and Spring Boot-based webservers and Artemis MQ.
- Handle client/agent support such as metricbeat, filebeats, and NetBackup.
- Data transfer Moveit administration, rsync
- Datacenters infrastructure and Cloud:
- Support authentication systems including SAML/OIDC, ADFS, and Azure Entra ID.
- Networking IPv4, Virtualization (Nutanix), databases (Oracle, PostgreSQL), and Storage (SAN, NAS, S3).
- Containerisation: Kubernetes, Docker, and Podman.
Qualifications
- Experience:
- Minimum 8 years of proven hands-on experience managing Unix/Linux systems, ideally within a large-scale or critical production environment.
- Education / Certifications (optional section, add if desired)
- Degree in Computer Science, Information Technology, or equivalent experience.
- Relevant certifications (RHCSA, RHCE, Kubernetes, Ansible, ITIL, etc.) are a plus.
- Key competencies:
- Strong expertise with Red Hat Enterprise Linux (RHEL) 8/9.
- Experience with Java/NGINX application servers.
- Additional knowledge:
- Nutanix Virtualization
- Oracle, PostgreSQL
- Kubernetes / OpenShift / Docker / Podman
- NGINX reverse proxy
- GitLab and CI/CD pipelines
- PAM/SAM solutions
- Backup & Storage solutions (SAN, NAS, S3)
- Advanced network knowledge (IPv4, DNS, Firewall, Routing, DMZ)
- ELK Stack
- Java/SpringBoot hosting architectures
- Messaging systems such as Artemis MQ
Why cronos group?
We'll propose you:
- An attractive salary package
- A good work-life balance environment
- The assurance of working in cutting-edge technologies in an entrepreneurial spirit.
- The opportunity to develop your skills thanks to tailor-made training courses according to your needs
- A good job in a friendly place
If you wish to integrate a dynamic structure on a human scale while working with the latest technologies, don't wait anymore and join Cronos!
Détails de l'offre :
- Entreprise: Cronos Europa
- Poste: Cronos Europa - Linux Administrator
- Lieu de travail: Luxembourg
- Pays: LU
Comment postuler :
Après avoir lu et compris les critères et les qualifications requises dans l'annonce Cronos Europa - Linux Administrator at the office Luxembourg ci-dessus, préparez immédiatement votre dossier (lettre de motivation, CV, copie de diplôme, etc.) et envoyez-le via le lien Page Suivante ci-dessous.
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