Senior Infrastructure Engineer (Linux)

Location: Belval, Esch-sur-Alzette, Luxembourg. Full-time, 40 hours per week; a home working policy is available but the position is not remote.

Gross monthly salary: €6,724–€8,781 paid over 13 months (€87,412–€114,153 annually); part-time salary is adjusted pro rata.

Company

hirify.global (LIST) is a research and technology organisation conducting applied research and innovation across natural, built, industrial, space, AI, security and defence technologies.

What you will do

• Administer and continuously improve Linux infrastructure, including user endpoints and IT services.
• Operate Commvault backup, storage and file-service infrastructure, managing policies, schedules, retention, capacity, monitoring and reporting.
• Perform recovery tests and support disaster-recovery, business-continuity and data-protection procedures.
• Monitor servers, storage, virtualisation, backup and network-related components; investigate incidents, failures, alerts, performance issues and capacity constraints.
• Coordinate patching, upgrades, vulnerability remediation, security hardening, replacements and decommissioning while maintaining technical documentation.
• Support Active Directory, telephony and unified communications, and contribute to infrastructure and IT projects with internal teams, researchers, providers and other stakeholders.

Requirements

• Bachelor’s degree in Computer Science, Information Technology, Engineering or a related field.
• Minimum 5–7 years of professional experience in infrastructure operations, systems administration or a comparable IT environment.
• Strong hands-on experience with enterprise backup and recovery platforms, preferably Commvault, including policies, retention, monitoring, recovery procedures, recovery testing and disaster-recovery operations.
• Experience administering or supporting enterprise storage systems, file services and storage technologies for virtualisation or infrastructure workloads.
• Experience with infrastructure monitoring, lifecycle management, patching, vulnerability remediation and service continuity.
• Good understanding of infrastructure security, including hardening, access control, vulnerability remediation, encryption and data protection.
• Good understanding of networking fundamentals, including TCP/IP, DNS, DHCP and firewalls.
• Ability to follow internal IT policies, security requirements and operational standards, and to use project-management and collaboration tools such as Asana, Jira or Microsoft Planner.
• Strong analytical, diagnostic, troubleshooting, documentation, communication, planning and organisational skills; ability to work independently, prioritise incidents and explain technical issues to technical and non-technical audiences.
• Fluency in English, oral and written, is required.

Nice to have

• Experience with Active Directory or other identity and directory services.
• Experience with VMware or comparable virtualisation technologies.
• Experience with enterprise telephony, unified communications or related services.
• Experience with scripting or automation using PowerShell, Python, Ansible or equivalent.
• Experience supporting Microsoft Azure, AWS or comparable cloud platforms.
• French, German or Luxembourgish language skills; French is especially valued.

Culture & Benefits

• Permanent contract with a full-time, 40-hour work week and flexible working hours.
• 32 days of paid annual leave, 11 public holidays, statutory health insurance and a 13-month salary.
• Home working policy, digital lunch vouchers and a personalised learning programme.
• Multicultural and inclusive research environment with more than 60 nationalities, collaborative RDI partnerships and opportunities for technical and soft-skills development.

Hiring process

• Submit the application online through the HR system; applications by email will not be considered.
• Include a position-focused motivation letter detailing experience, a CV with contact details and contact details for two references.
• Applications are reviewed continuously until the position is filled; selected candidates may undergo a background check and may be asked to provide a recent criminal record certificate.