ICT Systems Specialist - Linux Administration

About the role

A technical infrastructure team in Zurich is looking for an ICT Systems Specialist with strong Linux administration experience. The role is hands-on and focuses on Linux server administration, system reliability, automation and the ongoing development of core network services in a large, complex environment. It is a permanent position with 2 days per week in the office.

Key responsibilities

• Administer, maintain and develop Linux server infrastructure in a production environment.
• Ensure the stability, security and availability of business-critical systems and services.
• Manage and maintain core network services such as DNS, DHCP, Proxy and RADIUS.
• Support and develop Linux-based platforms, including Kubernetes, GitLab and CI/CD environments.
• Automate infrastructure and operational processes using Ansible, Git and scripting.
• Troubleshoot and resolve complex issues across distributed systems.
• Plan and implement system upgrades, maintenance and infrastructure improvements.
• Work with development and infrastructure teams to improve reliability and operational efficiency.

Required profile

• Proven experience in Linux systems administration within production environments.
• Strong knowledge of Linux server operations, maintenance, troubleshooting and performance.
• Good understanding of TCP/IP, DNS, DHCP, Proxy and RADIUS.
• Experience with automation and Infrastructure as Code; exposure to Kubernetes, containers and CI/CD is advantageous.
• Strong problem-solving skills, independence and a proactive approach to improving infrastructure and reliability.

Required skills

• Linux server administration
• Ansible, Git, Bash or Python
• Kubernetes, containers and CI/CD environments

What we offer

• Budget of up to 120,000 CHF per year depending on experience and suitability.
• A technically challenging Linux infrastructure role with high ownership.
• Modern infrastructure, automation and DevOps technologies in a collaborative environment.