IT System Engineer / System Technician Intern, 60-100% (m/f/d)

21 May 2026
60 – 100%
Wallisellen

Job summary

KastGroup GmbH specializes in Cyber Security and network infrastructure. Join us for a dynamic work environment and great benefits!

Tasks

Manage Linux Administration and virtualization technologies.
Oversee network solutions and security systems effectively.
Implement containerization and monitoring tools for projects.

Skills

Basic knowledge in relevant technologies is a plus; eager to learn.
Strong communication skills in German and English.
Passion for tackling challenges and achieving goals.

Is this helpful?

About the job

Company Description

The KastGroup GmbH headquartered in Wallisellen with a branch office in Schaan (Principality of Liechtenstein) specialises in the fields of Cyber Security and secure network infrastructure. Since 2014, we have been supporting organisations of various sizes in identifying and achieving appropriate security goals or expanding and optimising existing network infrastructures with our services.

Our expertise as well as our specialist know-how make us a competent partner and our team philosophy the ideal employer for currently 25 employees. We grow together with new challenges, bring passion and do not just do a job, but deliver real work.

Job Description

To expand our team, we are looking immediately or by arrangement for a talented individual for the following tasks:

Linux administration
Virtualisation (VM, Proxmox, VMWare)
Network (OPNsense, Unifi, Mikrotik, Sophos, Fortigate FW)
Containers (Docker, Kubernetes / K8s)
Monitoring (PRTG)
Self-Hosting & On-Premises Hosting

Qualifications

We do not expect you to meet all requirements. Ideally, you have already acquired basic knowledge and want to deepen your skills and abilities with us.

You want to continuously expand your knowledge of new technologies and share it with others
You love the challenge and achieving demanding goals
You are open, communicative and can communicate easily in German and English (any additional language is naturally an advantage)

Additional Information

Flexible working models
Continuous training opportunities and paid certifications
Home office by arrangement
25 days (5 weeks) holiday per year
Unlimited shopping discounts 4% - 35% (Microspot, Interdiscount, Coop, IKEA etc.)
Attractive social benefits and company pension scheme (BVG)
Free coffee as well as various free soft drinks
Regular brunches and after-work aperitifs during working hours
Pool table, table football and game console are available
Modern office within a short walking distance to Wallisellen station
Ergonomic workplace with standing desk
Flat hierarchies and co-determination rights

Information for recruitment agencies & agencies
For this position, we only consider direct applications. Thank you for your understanding.