We are itesys, YOUR synonym for Engineering Excellence.
We are over 200 experts with a shared passion for SAP technology, SAP security and platform engineering – and have been for more than 10 years. We see ourselves as creative minds and strategic pioneers, driving projects forward as implementers and optimisers – always with a healthy dose of spirit and enthusiasm. It is precisely this combination that sets us apart!
We understand the digital challenges our customers face and deliver the right solutions. Thanks to our in-depth expertise and strong technical vision, we are able to continuously adapt our customers' IT landscapes to complex and constantly changing requirements.
By agreement or immediately, we are looking for a
Senior System Engineer with a Focus on Linux & Automation (m/f/d)
in Frauenfeld
With your knowledge...
- you will continue to operate and develop our Linux system environments in our data centers and at our customers’ sites
- you will automate and standardize our infrastructure using technologies such as Salt and OpenTofu
- you will handle patch management and ensure the stable and secure operation of our systems
- you will independently plan and implement projects in the areas of data centers, automation, and the cloud
- you will analyze and resolve disruptions and system failures, and get to the root cause of these issues in a sustainable manner
- you will take responsibility for our systems and actively contribute your knowledge to the team
- you will continue to operate and develop container platforms and container orchestration systems, ensuring the reliable and scalable operation of containerized workloads
You achieve this through...
- several years of experience with Linux system environments, ideally with SUSE Linux Enterprise Server (SLES)
- experience with automation technologies - knowledge of Salt and OpenTofu is a plus
- knowledge of storage and backup environments, such as NetApp, SnapCenter, or Bacula
- experience in patch management and troubleshooting
- experience with container technologies and container orchestration solutions such as SUSE Rancher, Kubernetes, or similar is a plus
- basic familiarity with firewalls and IT security
- a completed IT-related education and a passion for continuing your technical development
- an independent and solution-oriented approach to work, as well as very good German and English skills
At itesys, we work together every day to provide the best possible support to our customers with their complex IT landscapes. What connects us? A working environment where trust, mutual support, and genuine team spirit are truly lived.
At itesys, we meet at eye level – every opinion counts, every strength is recognized.
No two days are the same: you actively shape your work, contribute your ideas, and continuously develop yourself. We promote individual strengths, support further training, and ensure that knowledge is shared across teams.
You are not just “a number” here – your personality is what makes our team complete.
We look forward to getting to know you!
Now it's your turn!
Apply here.
Of course, you can first book a coffee talk with our recruiter Laura and ask her questions. A little heads up: she will only tell you positive things - that's her job

Can't find what you're looking for, you have questions or need more information?
Laura Benzinger
Talent & Employer Branding Manager
