Systems and Network Technician (2524-IT)

LIGENTEC is a young and dynamic European company located in Lausanne, Switzerland and Paris, France. We are manufacturing silicon nitride based Photonic Integrated Circuits (PICs) for customers in high-tech areas such as Quantum Technologies, LiDAR, Space Technologies and Biosensors. LIGENTEC All-Nitride technology enables our customers to develop their products in the industrial revolution 4.0.

To support our continued growth, we are looking for an

Systems and Network Technician

You have the unique chance to fill this newly created position with content and be part of our growth story.

Network Management

• Maintain and improve LAN, VLAN, WAN, iSCSI, and VPN configurations
• Manage and monitor WiFi networks (UniFi), Cisco-managed switches, and routers
• Propose and implement site-to-site and client-user VPN solutions
• Provide level 1–2 network support and perform routine monitoring

System Administration

• Maintain and manage hypervisors: Proxmox PVE and Backup Server
• Administer VMs (RHEL 9.4/9.5, Rocky 9.5, Debian 12, Windows Server 2025)
• Manage systems such as SAN storage, OPNSense, UniFi, VMWare Player
• Prepare and assign workstations (primarily Apple macOS) for new hires
• Support user onboarding/offboarding (tools, credentials, backups)
• Maintain system orchestration and perform regular updates

Tools & Software Ecosystem

• Support and administer solutions such as Google Workspace, Odoo, Asana, GitLab
• Explore and potentially deploy MDM solutions
• Work with various software/protocols: Bash, Docker, qemu, Ansible, Slurm, PostgreSQL, SELinux, Duplicity, GPG, SSH, LDAP, Zabbix, GLPI, Traefik, PGAdmin4
• Understand basics of HPC computing and SAN storage systems

User Support & Documentation

• Monitor support portal and address user requests in a structured and timely manner
• Maintain user documentation and IT administration guides
• Contribute to the continuous update of the IT project tracking solution
• Research, evaluate, and propose new hardware/software solutions
• Assist with deployment and maintenance of IT equipment

Qualifications

• Strong expertise in Linux system administration and network management
• Familiarity with modern IT environments (virtualization, cloud-like services, MDM)
• Good understanding of cybersecurity principles and system hardening
• Professional working proficiency in English (written and spoken) is required
• French is a plus but not mandatory

Soft Skills

• Strong organizational skills and ability to work autonomously
• Flexibility and willingness to learn in a fast-moving environment
• Excellent interpersonal and communication skills
• High standards of discretion and confidentiality

Education

• Bachelor's / Professional Bachelor's / Master's degree in IT, Network Engineering, or related field

• A flexible and dynamic start-up work environment.
• A highly international, diverse and highly motivated team.
• Personal responsibility in your job and the chance to grow with us.
• Our passion to bring PICs to every day’s life.

Activity rate: 100%
Place of work: Corbeil Essonnes, France
Start date: as soon as possible

How to apply:

We look forward to receiving your full application, including 1) your CV, 2) a statement of interest (relating the position to your skills) and 3) grade or work certificates.
Non complete applications may not be considered.