Senior Software Designer — Semiconductor Equipment (PLC/C++)

Sioux Technologies

Eindhoven

Hybrid

EUR 75,000 - 115,000

Full time

14 days+

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Benefits offered by this job

Flexible 32–40 hour week with home‑off
28 holidays + option to buy 12
€6,000 training budget per year
Social and knowledge sharing events
Prime Brainport region office with lab

Job summary

Sioux Technologies in Eindhoven develops high-tech semiconductor equipment. You will design and implement PLC-based machine control and higher-level software in C++/C# across full stack, from TwinCAT/Siemens PLCs to system software.

The role blends control engineering with modern software practices in a challenging, fast-paced environment. You’ll work with Scrum teams, contribute to greenfield and legacy architectures, and travel within the Netherlands and parts of Europe in a hybrid

Qualifications

  • Bachelor's or Master's degree in Computer Science or related field.
  • 5–10+ years in high-tech machine building and software development.
  • Strong PLC-based machine control experience and SECS/GEM proficiency.

Responsibilities

  • Design and define PLC and machine control software across full stack.
  • Translate requirements into robust, modular designs from PLC to system software.
  • Own modules or subsystems and ensure cohesive designs across teams.
  • Bridge control engineering and software engineering with a hands-on approach.
  • Contribute to greenfield and legacy architectures for high-tech equipment.

Skills

PLC-based machine control
C++
C#
SECS/GEM
Agile/Scrum
Git
Azure DevOps
TwinCAT 3
Siemens

Education

Bachelor's or Master's in Computer Science or related field

Tools

TwinCAT 3
Siemens
SECS/GEM
Git
Azure DevOps
Python
Java

Job description

Sioux Technologies in Eindhoven develops high-tech semiconductor equipment. You will design and implement PLC-based machine control and higher-level software in C++/C# across full stack, from TwinCAT/Siemens PLCs to system software.

The role blends control engineering with modern software practices in a challenging, fast-paced environment. You’ll work with Scrum teams, contribute to greenfield and legacy architectures, and travel within the Netherlands and parts of Europe in a hybrid

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