IT Systems & Network Administrator (M/F) – 80–100%

Design, deploy, maintain, and optimise the IT infrastructure (servers, networks, virtualization and storage systems) to ensure availability, security and performance of services for internal and external users.

Key Responsibilities

• Install, configure and administer Windows and Linux servers as well as network appliances (switches, firewalls, routers).
• Manage virtualisation environments (VMware, Hyper‑V or equivalents) and storage solutions (SAN/NAS).
• Provide proactive monitoring and Level‑2/3 support for system and network incidents.
• Implement security policies (patch management, access control, backups, disaster‑recovery plans).
• Participate in design and rollout of infrastructure projects (migrations, consolidations, bandwidth upgrades).
• Document procedures, configurations and incidents in the internal knowledge base.
• Collaborate with internal teams (development, support, management) and external vendors to meet SLA requirements.
• Conduct regular audits and propose optimisation measures to reduce infrastructure costs.

Essential Qualifications

• Degree in Computer Science, Networking or a related technical field.
• Strong knowledge of Windows Server and Linux operating systems (Red Hat, Ubuntu, etc.).
• Solid experience in network administration (TCP/IP, VLAN, VPN, IPv6, Cisco, Juniper).
• Familiarity with virtualisation platforms (VMware vSphere, Hyper‑V) and storage solutions.
• Understanding of cybersecurity concepts (firewalls, IDS/IPS, patch management, backups).
• Ability to troubleshoot complex incidents and work under pressure.
• Excellent written and verbal communication skills in English; French proficiency is a plus.
• Preferred certifications: CCNA/CCNP, VCP, MCSE or equivalent.

Desired Experience

• Minimum 3 years of experience in system and network administration, preferably in a medium‑to‑large corporate environment.
• Maximum 10 years of experience, with demonstrated involvement in large‑scale projects or infrastructure management.
• Experience in a multilingual or international setting is an advantage.

Salary & Benefits

• Annual gross salary ranging from CHF 85,000 to CHF 100,000, dependent on profile and experience.
• Full‑time position with an activity rate of 80 % to 100 % based on service needs.
• Swiss social security contributions (AVS, AI, APG, occupational pension) covered by the employer.
• Complementary retirement plan and profit‑sharing participation.
• Meal voucher or equivalent allowance.
• Opportunities for continuous training and employer‑funded professional certifications.
• Modern workplace in Sion with easy access to public transport and parking facilities.