About Diotec

While many suppliers just buy the chips and assemble them into a package, Diotec has got the complete know how of semiconductor production.



QA Assistant (d/f/m)

For our headquarters in Heitersheim, Germany, we are currently looking for:

QA Assistant (d/f/m)

full-time, from now and unlimited


  • Realization of production tests in accordance with a given sampling plan
  • Updating and maintaining of the test results in Excel SPC charts
  • Assembly of reliability test boards
  • Inspection of test stations in order to prepare their calibration
  • Performing of approval tests under instruction


  • Good knowledge of MS-Office
  • Good knowledge of German and English, both written and spoken
  • You have a structured working manner and are a highly motivated person


Job Application

Please send your complete job application with photo and qualifications to jobs@diotec.com.

Contact person:

Mrs Lisa von Flandern
Phone +49 (0)7634 5266-59

Diotec Semiconductor AG
Kreuzmattenstraße 4
79423 Heitersheim


Why Diotec?

  • We are a medium sized enterprise with a flat hierarchy.
  • Here in our headquarters, there are 60 persons from 12 different nations.
  • You join a highly motivated team.
  • We support your retirement pension plan.
  • You get a permanent contract, vacation payment and christmas bonus.
  • Heitersheim is located south of Freiburg in the sunniest region of Germany.

Working at Diotec

Diotec Semiconductor AG is a technological leader for the production and development of semiconductor components like diodes, rectifiers, Schottky, Zener, TVS and MOSFETs. The Diotec brand produces more than 5,000 different products with production taking place in our facilities in Germany, Slovenia, China and India. Diotec’s products are well known and in demand throughout the world.

Our core strength is our extensive know-how, from wafer production to chip manufacturing to product assembly. In Germany, south of Freiburg where our headquarter is located, we also develop and build the machinery and test equipment used in our manufacturing processes.

Diotec Semiconductor AG

Kreuzmattenstrasse 4
79423 Heitersheim

Telefon +49 7634 5266-0
Telefax +49 7634 5266-61