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
IT System Engineer (m/f/d)
in Frauenfeld
Are you an innovative thinker, motivated to learn new things and looking forward to being a driving force in your area of expertise?
With your support...
- We keep our customers' technical environment up to date and continue to develop it.
- We organise our internal infrastructure according to the latest standards.
- We work in environments with SAN, VMware and vSphere.
- We maintain data security and continue to drive it forward.
- We design and implement exciting projects in Windows and Linux environments.
- We ensure smooth and transparent project progress and guarantee high-quality results.
- We work with the latest technologies for internal and external stakeholders and test them for feasibility.
You achieve this through...
- Completed training as a computer scientist or comparable qualification.
- Experience in setting up and expanding infrastructures (hardware and software), ideally with Linux and vSphere.
- Knowledge of firewalls and networks.
- Enthusiasm for new technologies and enjoyment in actively shaping new areas of interest.
- Interest in automation technologies.
- Flexibility and an independent approach to work, as well as very good written and spoken German and English skills
Whether you are already a senior professional or an ambitious junior expert, if you meet the above requirements, we would like to get to know you.
All well and good – but now you probably want to know what else we can offer you besides an exciting job...
At itesys, we work every day to provide our customers with the best possible support for their complex IT landscapes. What unites us? A working environment in which trust, mutual support and genuine team spirit are lived out.
We treat each other as equals – every opinion counts, every strength is recognised.
No two days are the same: you actively shape your work, can contribute your ideas and continuously develop your skills. We strengthen your individual abilities, support your further training and ensure that knowledge is shared across teams.
With us, you are not just ‘a number’ – your personality completes our team.
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
