SENIOR LINUX ENGINEER (m/f)

Fixed term contract | Belval Are you passionate about research? So are we! Come and join us

The Luxembourg Institute of Science and Technology (LIST) is a leading Research and Technology Organisation (RTO) that drives innovation for the economy and society in Luxembourg and beyond. With cutting-edge expertise in Natural, Built, Industrial environments, Space, AI, Security and defence technologies. LIST bridges scientific excellence and applied research to design solutions that address real-world challenges and create positive impact.

Do you want to know more about LIST? Check our website: https://www.list.lu/

How will you contribute?

You will support the operation and continuous improvement of LIST's Linux infrastructure (including user endpoints and IT services), ensuring reliable, secure and efficient environments for research and organisational activities. Working within the IT Infrastructure team, you will:

• Administer and maintain Linux servers and endpoints, including configuration, monitoring, patching, troubleshooting and lifecycle management.
• Monitor infrastructure health, availability, capacity, performance and security, and respond to incidents and service requests.
• Support endpoint-security operations, including hardening, antivirus, encryption, access control, compliance and vulnerability remediation.
• Contribute to incident, problem, change and release management in line with established IT service-management practices.
• Automate operational activities using tools such as Ansible or plain scripting, and contribute to standardisation through deployment playbooks and configuration-management tools such as ManageEngine Endpoint Central.
• Support backup, recovery, disaster-recovery and business-continuity procedures.
• Collaborate with Information Security, Applications, Development, IT Operations, researchers and other stakeholders to ensure stable, secure and compatible services.
• Maintain accurate technical documentation, including infrastructure configurations, operational procedures, troubleshooting guidance and knowledge articles.
• Contribute to IT asset, software and configuration-management activities, where applicable.
• Follow emerging technologies and propose improvements to infrastructure reliability, security, efficiency and user experience.

Additional infrastructure responsibilities. Under the guidance of IT Infrastructure colleagues, you will also support the administration, monitoring and maintenance of:

• User accounts, access rights, authentication and permissions, in accordance with internal policies.
• Virtualised and containerised environments using technologies such as VMware, Proxmox, Docker, Podman and Kubernetes.
• Compute, storage, backup and high-performance-computing environments supporting research and organisational workloads.
• Environments within public cloud platforms such as AWS, Microsoft Azure and Scaleway.

Project delivery and activity management

In addition to day-to-day engineering and operational support, you will contribute to IT and infrastructure projects delivered through internal initiatives and in collaboration with external partners or clients. You will manage your activities in accordance with LIST's project-management methodology by planning and prioritising tasks, estimating effort, tracking progress, managing dependencies and risks, coordinating stakeholders and delivering agreed outcomes. Depending on the assignment, you may also coordinate or manage IT or LIST-level projects involving multidisciplinary teams.

Is Your profile described below? Are you our future colleague? Apply now!

Education

• Bachelor's degree in Computer Science, Information Technology, Engineering or a related field experience

Experience and skills

• 6–7 years of professional experience in Linux system administration, infrastructure operations or a comparable IT environment.
• Strong practical experience administering Linux servers and endpoints, including system configuration, performance monitoring, patch management, troubleshooting and lifecycle maintenance.
• Experience with infrastructure automation, configuration-management tools such as Ansible or Puppet, and scripting for operational tasks.
• Experience with endpoint management, software deployment and configuration-management tools such as ManageEngine Endpoint Central is an advantage.
• Good understanding of infrastructure-security practices, including system hardening, access control, vulnerability remediation, encryption, endpoint protection and data protection.
• Experience monitoring infrastructure availability, capacity and performance, and responding to incidents and service requests.
• Familiarity with IT service-management practices, including incident, problem, change, release, backup, recovery and business-continuity management.
• Good understanding of networking fundamentals, including TCP/IP, DNS, DHCP, VPNs, firewalls and secure remote access.
• Experience documenting infrastructure configurations, operational procedures, troubleshooting guidance and support processes.
• Experience with virtualisation, containerisation, compute, storage, backup, HPC, cloud or AI/ML infrastructure is considered an asset, particularly in research, scientific, engineering or data-intensive environments.
• Ability to work in accordance with internal IT policies, security requirements and operational standards.
• Experience using project-management and collaboration tools such as Asana, Jira, Microsoft Planner or equivalent.

Soft skills

• Strong analytical, diagnostic, and troubleshooting abilities
• Collaborative and service-oriented approach, with the ability to work effectively with multidisciplinary teams.
• Project-oriented and delivery-focused mindset, including the ability to plan, prioritise, coordinate and report on activities.
• Strong documentation, communication, planning and organisational skills.
• Proactive approach and willingness to continuously improve infrastructure reliability, security, efficiency and user experience.
• Ability to prioritise tasks and respond effectively to incidents and operational requirements.
• Ability to explain technical issues clearly to technical and non-technical audiences.
• Ability to work independently while recognising when to seek guidance or involve specialist colleagues.

Language skills

• Fluency in English (Luxembourgish, German and especially French are considered as an asset), both oral and written.

Your LIST benefits

• An organization with a passion for impact and strong RDI partnerships in Luxembourg and Europe that works on responsible and independent research projects
• Sustainable by design, empowering our belief that we play an essential role in paving the way to a green society
• Innovative infrastructures and exceptional labs occupying more than 5,000 square metres, including innovations in all that we do
• An environment encouraging curiosity, innovation and entrepreneurship in all areas
• Personalized learning programme to foster our staff's soft and technical skills
• Multicultural and international work environment with more than 60 nationalities represented in our workforce
• Diverse and inclusive work environment empowering our people to fulfil their personal and professional ambitions
• Gender-friendly environment with multiple actions to attract, develop and retain women in science
• 32 days' paid annual leave, 11 public holidays, 13-month salary, statutory health insurance
• Flexible working hours, home working policy (not remote) and access to Digital lunch vouchers

Apply online

Your application must include:

• A motivation letter oriented towards the position and detailing your experience
• A CV with contact details
• Contact details of 2 references

Please apply ONLINE formally through the HR system. Applications by email will not be considered.

Application procedure and conditions

We kindly request applicants to provide their nationality for statistical purposes only, as part of our commitment to promoting diversity and ensuring equal opportunities in our workforce. This information will be kept confidential and will not be used for any discriminatory purposes. LIST is dedicated to maintaining an inclusive work environment and is an equal opportunity employer. We are committed to attracting, hiring, and retaining a diverse workforce. All applicants will be considered for employment without discrimination based on national origin, race, ethnicity, gender, sexual orientation, gender identity, marital status, religion, age, or disability. Applications will be continuously reviewed until the position is filled. An assessment committee will thoroughly evaluate applications, adhering to guidelines designed to ensure equal opportunities. The primary criteria for selection will be the alignment of the applicant's existing skills and expertise with the requirements mentioned above. As part of our recruitment process, the selected candidate might be subject to a background check in accordance with applicable laws and institutional policies. For the purposes of the position and in accordance with applicable legislation, the successful candidate may be requested to provide a recent criminal record certificate.

This position offers a gross monthly salary between EUR 6.724 and EUR 8.781, paid over 13 months (EUR 87.412 - EUR 114.153 annually) based on full-time employment. The final salary offer within this range will be determined based on the candidate's overall profile, qualifications and professional experience.

For part-time employment, the salary is adjusted pro rata.