ICT Systems Specialist | Linux | Permanent | Zurich

Oliver James Group; Zürich; Hybrid; CHF 108,000 - 132,000; Full time

Job summary

Oliver James Group is seeking an ICT Systems Specialist with strong Linux Administration to join a technical infrastructure team. You will operate and develop business-critical IT services in a large, complex environment and own hands-on Linux server administration, automation, and reliability.

The role demands solid Linux expertise, networking basics (TCP/IP, DNS, DHCP, Proxy, RADIUS), and familiarity with Kubernetes, GitLab, CI/CD, and scripting.

Qualifications

• Proven Linux Systems Administration experience in production environments.
• Strong knowledge of Linux server operations, maintenance, troubleshooting and performance.
• Understanding of networking technologies: TCP/IP, DNS, DHCP, Proxy, RADIUS.
• Automation and Infrastructure as Code experience (Ansible, Git, Bash or Python).
• Exposure to Kubernetes, containers and CI/CD environments is a plus.
• Strong problem-solving skills and ability to work independently.
• Proactive approach to improving infrastructure, automation and reliability.

Responsibilities

• Administer, maintain and develop Linux server infrastructure in production.
• Ensure stability, security and availability of business-critical systems.
• Manage core network services: DNS, DHCP, Proxy, RADIUS.
• Develop Linux-based platforms including Kubernetes, GitLab and CI/CD.
• Automate infrastructure and processes with Ansible, Git and scripting.
• Troubleshoot and resolve complex issues across distributed systems.
• Plan and implement system upgrades and infrastructure improvements.
• Collaborate with development and infrastructure teams to improve reliability.

Skills

Linux Administration

Networking basics

Automation & IaC

Kubernetes

CI/CD

Scripting

Tools

Ansible

Git

Bash

Python

GitLab

Kubernetes

Job description

Job Title: ICT Systems Specialist - Linux Administration

Location: Zurich, Switzerland (2 days per week in the office is mandatory)

Type: Permanent position (100%)

Languages: Native or C2 Level German is required.

Budget: Up to 120,000 CHF per annum based on relevant experience and suitability - final offer is managers discretion.

We are looking for an ICT Systems Specialist with strong Linux Administration experience to join a technical infrastructure team responsible for operating and developing business-critical IT services within a large, complex environment.

This is a hands-on infrastructure role, focusing primarily on Linux server administration, system reliability, automation and the ongoing development of core network services.

Your Profile

• Proven experience in Linux Systems Administration within production environments.


• Strong knowledge of Linux server operations, maintenance, troubleshooting and performance.


• Good understanding of networking technologies, including TCP/IP, DNS, DHCP, Proxy and RADIUS.


• Experience with automation and Infrastructure as Code, ideally Ansible, Git, Bash or Python.


• Exposure to Kubernetes, containers and CI/CD environments would be advantageous.


• Strong problem-solving skills and the ability to work independently.


• A proactive approach to improving infrastructure, automation and system reliability.

The Role

• Administer, maintain and develop Linux server infrastructure within a production environment.


• Ensure the stability, security and availability of business-critical systems and services.


• Manage and maintain core network services, including 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 closely with development and infrastructure teams to improve reliability and operational efficiency.

What's on Offer?

• A technically challenging Linux infrastructure role.


• High levels of ownership and responsibility.


• The opportunity to work with modern infrastructure, automation and DevOps technologies.


• A collaborative technical environment with scope to influence infrastructure improvements and development.