Manufacturing Intern - Sensor Production (m/w/d) 100%

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.

We are looking for a hands-on intern to support our production team in sensor manufacturing and post-processing operations. The position combines machine operation, manual assembly, measurements, and chemical cleaning processes in an industrial environment.

The internship offers a strong practical exposure to manufacturing processes, quality assurance, and controlled chemical handling procedures.

Location: Rümlang, ZH.

Workload: 100%.

Starting date: April 2026.

The intern will support daily production of microsensors through a combination of machine operation, manual assembly, measurement and laboratory cleaning processes. The role focuses on executing standardized procedures while ensuring product quality and traceability of sensors through a combination of machine operation, manual assembly, measurement and laboratory cleaning processes.

Main activity areas:

• Production operations: preparation and setup of production panels, operation of assembly equipment and soldering processes, in-process electrical/functional checks, and traceability documentation across multiple manufacturing steps.
• Soldering processes: execution of multi-stage soldering cycles including manual and reflow operations.
• Process monitoring: electrical measurements and validation at defined checkpoints, handling of PCB panels, and reporting of detected deviations.
• Cleaning & recovery: component removal, multi-step cleaning, rinsing, and controlled drying to prepare parts for reintegration into the workflow.
• Quality & safety: anomaly detection and reporting, documentation of results, and compliance with safety and PPE procedures.

Required Qualifications

• A student or recent graduate in Electrical Engineering, Industrial Engineering, Process Engineering, Manufacturing Technology, or a related technical field.
• Any experience in a manufacturing environment is a plus.

Specific Skills & Competencies

• Structured, reliable, and proactive approach to work.
• High accuracy and sense of responsibility, hands-on mindset.
• Good problem-solving skills and analytical skills.
• Strong communication and collaboration skills to work closely with the production team.
• Languages: English C1, German or any language is a plus.

What we offer:

• 20 annual paid vacation days (at 100% workload).
• A stimulating role in high-tech manufacturing, involving diverse technologies.
• Collaborative participation in enhancing production processes.
• No shift work or work on the weekends.
• An energetic and international team.
• 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.