Systems and Network Technician (2524-IT)

Ligentec SA; Corbeil-Essonnes; Sur place; EUR 40 000 - 60 000; Plein temps

Résumé du poste

A growing technology company in Corbeil-Essonnes is seeking a Systems and Network Technician to manage its IT infrastructure. The role involves network management, system administration, and user support, requiring strong expertise in Linux and network management. The company offers a dynamic work environment and opportunities for growth.

Prestations

Flexible start-up work environment

International and diverse team

Opportunity for personal responsibility and growth

Qualifications

• Strong expertise in Linux system administration and network management.
• Familiarity with modern IT environments like cloud services.
• Professional proficiency in English is required.

Responsabilités

• Maintain and improve network configurations and performance.
• Administer multiple VMs and systems including RHEL and Windows Server.
• Monitor the support portal and address user requests.

Connaissances

Linux system administration

Network management

Cybersecurity principles

Interpersonal skills

Organizational skills

Formation

Bachelor's degree in IT, Network Engineering, or related field

Outils

Google Workspace

Docker

Ansible

Zabbix

Description du poste

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.

Tasks

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

Requirements

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 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.