Administrateur Systèmes Réseaux et Sécurité (h/f)

Jobup; Boécourt; On-site; CHF 110,000 - 140,000; Full time

Job summary

Tavon Group is seeking a Systems, Networks & Security Administrator to strengthen the performance, reliability, and security of its multisite IT infrastructures in Boécourt (JU). You will manage systems, networks, and cybersecurity while collaborating with production teams to ensure continuous industrial operations.

The role combines administration, security, and project involvement in a dynamic, industrial environment with occasional site travel around 40 km.

Qualifications

• Federal VET Diploma in IT with cybersecurity or industrial infra training preferred.
• 3–5 years’ experience in systems and network administration, ideally in an industrial environment.
• Proficient with Windows Server, Active Directory, Microsoft Entra ID; strong Linux knowledge.

Responsibilities

• Administer, maintain and develop the Group's systems, networks and telecommunications infrastructures.
• Ensure the availability, performance and security of IT environments.
• Deploy and maintain cybersecurity solutions, including access protection, vulnerability management and network security.
• Manage backups, restorations and business continuity arrangements.
• Secure IT/OT environments in collaboration with production teams.
• Diagnose and resolve technical incidents, providing responsive user support.
• Contribute to infrastructure projects, automation and IT best practices.

Education

Federal VET Diploma in IT

Cybersecurity or industrial infrastructures training

Industrial infrastructures training

Tools

Windows Server

Active Directory

Microsoft Entra ID

Linux

VMware

Proxmox

Microsoft 365

Azure

LAN/WAN

VLAN

VPN

DNS

DHCP

Firewall

EDR/XDR

MFA

Backups

Monitoring tools

PowerShell

Bash

IT/OT environments

Job description

The Tavon Group brings together 5 companies in Switzerland, true centres of excellence located between La Chaux-de-Fonds and the Jura. A leader in sapphire production, our industrial group embodies innovation, precision and expertise. With this unique mastery, we support the largest Swiss watchmaking houses in their prestigious creations.

To continue its development and strengthen its IT skills, we are looking for a Systems, Networks & Security Administrator wishing to contribute to the performance, reliability and security of our IT infrastructures.

Network Systems and Security Administrator (m/f)

Your mission

Within our Information Systems Department and reporting to the Infrastructure and Networks Manager, you actively participate in the administration, securing and development of our multisite IT environment.

Your role is essential to ensure the availability of our systems and guarantee the continuity of our industrial activities.

Your main responsibilities

• Administer, maintain and develop the Group's systems, networks and telecommunications infrastructures.
• Ensure the availability, performance and security of IT environments.
• Deploy and maintain cybersecurity solutions, particularly regarding access protection, vulnerability management and network security.
• Manage backups, restorations and business continuity arrangements.
• Participate in securing industrial environments (IT/OT), in collaboration with production teams.
• Diagnose and resolve technical incidents, providing responsive support to users.
• Contribute to infrastructure development projects, automation and continuous improvement of IT practices.

Your profile

• Holder of a Federal VET Diploma in IT, ideally complemented by training in cybersecurity or industrial infrastructures.
• You have 3 to 5 years’ experience in systems and network administration, ideally gained in an industrial environment.
• You are proficient in Windows Server, Active Directory, Microsoft Entra ID and have good knowledge of Linux.
• You are comfortable with virtualisation technologies (VMware, Proxmox), Microsoft 365 and Azure environments.
• You have solid skills in networks (LAN/WAN, VLAN, VPN, DNS, DHCP) and security solutions (firewall, EDR/XDR, MFA).
• You are familiar with backup and monitoring tools and incident management principles.
• Skills in scripting (PowerShell/Bash) and knowledge of IT/OT environments are real assets.

Beyond your technical skills, we are looking for an autonomous, rigorous and solution-oriented person who enjoys teamwork and is able to act methodically and responsively in a demanding industrial environment.

Why join us?

• A stimulating industrial environment, at the heart of high-precision trades.
• Diverse infrastructures and concrete technical challenges.
• A versatile position combining operations, cybersecurity and participation in the Group’s development projects.
• Close collaboration with IT teams and various industrial sites.
• The opportunity to contribute directly to the reliability and transformation of our information systems.

Workplace: Boécourt (JU), with occasional travel to our different sites (within a radius of about 40 km).

Interested in taking on this challenge?

We look forward to receiving your application!