greenteg AG offers high-tech thermal sensing solutions for an international customer base.

Besides marketing industrial sensors for laser power metering and for assessing insulation properties of buildings, we also offer a unique core body temperature measurement solution (CALERA®) for wearable devices. The technology empowers customers with a wide range of innovative applications such as improving sports performance, continuous and non-invasive patient monitoring, ovulation tracking, sleep analysis or early detection of diseases.

The company develops, manufactures, and markets all solutions at our headquarters in Zürich-Rümlang.

To get additional support for our IT team, we are looking for an IT Intern.

Location: Rümlang, CH.

Workload: 80–100%.

Starting date: preferably February 2026.

• First-Level Technical Support - Provide helpdesk support to users, troubleshoot basic hardware, software, application, connectivity, and device issues, and escalate complex incidents when required.


• Hardware and Software Setup - Prepare, install, configure, and maintain user hardware and software to ensure smooth onboarding and ongoing operations.


• System Maintenance and Monitoring - Support routine system updates, patching, backups, data storage procedures, and monitor system performance, status, and alerts.


• Documentation and Knowledge Management - Create, update, and maintain IT procedures, troubleshooting guides, configurations, knowledge base articles, and user documentation.


• Process Improvement and Automation - Identify opportunities to improve IT processes, user guides, asset inventory, and support basic process automation initiatives.


• IT Projects and Security Awareness - Participate in small IT projects, research emerging tools or technologies, and support basic cybersecurity awareness and policy implementation.

Specific Skills & Competencies

• Basic IT technical knowledge (hardware, OS, networking).


• Interest in scripting or automation.


• Good communication and service mindset.


• Detail-oriented documentation.


• Willingness to learn and follow procedures.


• Interest in cybersecurity and best practices.


• Languages: English C1, German/French or Italian is an advantage.

What we offer:

• 20 annual paid vacation days (at 100% workload).


• Collaborative participation in enhancing company processes.


• An energetic, young, and international team.


• Flexible worktime, option for 1 remote day per week (at 100% workload).


• Regular social events, teambuilding, BBQ, free coffee and snacks.

Interested? – Join us!

Send your application CV and a short cover letter.

We will get back to you shortly to explain the next steps in the application process.