Linux System Engineer (SME)

Who we are.

We are a team of passionate experts with a clear ambition: applying digital technology to advance what matters for our clients and society.

Together we create reliable and responsive digital foundations for the world’s businesses, institutions, and communities.

Learn more on Advancing what matters.

We are seeking a highly skilled Linux System Engineer (SME) to join our team. In this role, you will be responsible for maintaining, optimizing, and securing Linux-based systems to ensure high availability, performance, and reliability. You will also drive automation initiatives and enforce best practices for system administration and security.

Key Responsibilities

• System Administration & Maintenance
• Ensure system health, stability, and high availability.
• Monitor system performance and troubleshoot issues proactively.
• Install, configure, and update operating systems and software packages.
• Create and manage file systems, user accounts, and access controls.
• Automation & Optimization
• Develop and maintain Ansible automation scripts.
• Implement clustering and automation solutions to improve efficiency.
• Security & Compliance
• Enforce security policies for users and systems.
• Implement and maintain firewall and intrusion detection systems.
• Manage password and identity policies.
• Backup & Recovery
• Design and implement backup and disaster recovery strategies.
• Hardware & Network Management
• Verify peripheral functionality and arrange hardware repairs when needed.
• Monitor network communication and ensure connectivity.
• Configure network interfaces, bonding, routing, NFS, and Samba.
• Documentation & Knowledge Sharing
• Maintain internal documentation and wiki for processes and configurations.

Required Skills & Qualifications

• Operating Systems: Expertise in Linux (SUSE, CentOS/RedHat); ability to diagnose CPU, memory, networking, and disk I/O issues.
• Package Management: Experience with RPM/Yum.
• System Administration: Strong knowledge of packages, users, ACLs, resource management, and securing base installations.
• Scripting & Tools: Proficiency with command-line tools (AWK, sed, grep) and scripting languages (Bash, Perl, Python).
• Networking: Understanding of TCP/IP, firewalls, load balancing clusters; experience configuring interfaces, bonding, routes, NFS, Samba.
• Automation Tools: Hands-on experience with Ansible; familiarity with Chef, Puppet, SELinux (advantage).
• Monitoring & IT Tools: Knowledge of BSA, Flexera, Nagios, and other monitoring tools.
• Virtualization: Experience with hypervisors (VMWare, Xen, KVM) is a plus.

Rewards and benefits

• Technology and positively impact our clients and society;
• Wellbeing programs & work-life balance - integration and passion sharing events;
• Opportunities for professional growth and career advancement;
• Remote and hybrid working possibilities;
• Benefits platform –culture, shopping, sport, etc;
• Continuous learning programs and online courses;
• Possibility to participate to charity and eco initiatives.

Learn more about us:

At Atos, we embrace diversity as the ultimate engine of ingenuity for our clients, and we constantly strive to create a culture where people feel supported and encouraged. Read more about our commitment here . 

Whether it is fighting climate change, promoting digital inclusion, or ensuring trust in data management – tech for good sits at the core of our identity. With numerous global recognitions for our ESG practices, we are committed to building a better future for all by harnessing the power of technology. Learn more here .