Systems and Network Technician (2524-IT)

Overview LIGENTEC is a young and dynamic European company located in Lausanne, Switzerland and Paris, France. We manufacture silicon nitride based Photonic Integrated Circuits (PICs) for customers in high-tech areas such as Quantum Technologies, LiDAR, Space Technologies and Biosensors. Our All-Nitride technology enables 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.

Responsibilities

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

Benefits

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 everyday 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.

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