Technical skills refer to the knowledge, expertise and experience required to perform the necessary tasks or use specific tools in the role. These skills will vary across industries and functions.
Programming languages: C++, Python, R
Engineering software tools: AutoCAD, CATIA, SolidWorks
Statistical software: Mathematica, SPSS, Stata
Microscopy techniques: Raman microscopy, Scanning Electron Microscopy (SEM), Transmission Electron Microscopy (TEM)
Chromatography instruments: Gas chromatography–mass spectrometry (GC-MS), Liquid chromatography–mass spectrometry (LC-MS), High-performance liquid chromatography (HPLC)
It could also be another language, e.g. French, German, Japanese, or domain knowledge such as accounting, macroeconomics, clinical psychology.